[
  {
    "model": "app.zone",
    "pk": 1,
    "fields": {
      "site": "Fenwick Row",
      "name": "Tomato bay north",
      "crop": "tomato",
      "area_m2": "320",
      "free_run_mean_c": "22.0",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.025",
      "alarm_above_c": "26.0",
      "flow_l_per_min": "20.0"
    }
  },
  {
    "model": "app.zone",
    "pk": 2,
    "fields": {
      "site": "Fenwick Row",
      "name": "Tomato bay south",
      "crop": "tomato",
      "area_m2": "320",
      "free_run_mean_c": "22.5",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.025",
      "alarm_above_c": "26.0",
      "flow_l_per_min": "20.0"
    }
  },
  {
    "model": "app.zone",
    "pk": 3,
    "fields": {
      "site": "Fenwick Row",
      "name": "Cucumber house",
      "crop": "cucumber",
      "area_m2": "280",
      "free_run_mean_c": "23.0",
      "vent_max_pct": "90",
      "cooling_c_per_pct": "0.028",
      "alarm_above_c": "27.0",
      "flow_l_per_min": "16.0"
    }
  },
  {
    "model": "app.zone",
    "pk": 4,
    "fields": {
      "site": "Fenwick Row",
      "name": "Pepper tunnel",
      "crop": "pepper",
      "area_m2": "210",
      "free_run_mean_c": "22.0",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.030",
      "alarm_above_c": "26.0",
      "flow_l_per_min": "12.0"
    }
  },
  {
    "model": "app.zone",
    "pk": 5,
    "fields": {
      "site": "Fenwick Row",
      "name": "Herb bench",
      "crop": "basil",
      "area_m2": "90",
      "free_run_mean_c": "21.0",
      "vent_max_pct": "80",
      "cooling_c_per_pct": "0.022",
      "alarm_above_c": "25.0",
      "flow_l_per_min": "6.0"
    }
  },
  {
    "model": "app.zone",
    "pk": 6,
    "fields": {
      "site": "Fenwick Row",
      "name": "Seedling nursery",
      "crop": "seedlings",
      "area_m2": "120",
      "free_run_mean_c": "24.0",
      "vent_max_pct": "70",
      "cooling_c_per_pct": "0.020",
      "alarm_above_c": "26.5",
      "flow_l_per_min": "8.0"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 1,
    "fields": {
      "zone": 6,
      "day_no": 1,
      "starts_at": "2026-04-14T08:00:00Z",
      "day_shift_c": "0.0",
      "day_mean_c": "24.0",
      "vent_max_pct": "70",
      "cooling_c_per_pct": "0.020",
      "flow_l_per_min": "8.0",
      "first_run_at": "2026-04-14T08:05:42Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 2,
    "fields": {
      "zone": 5,
      "day_no": 1,
      "starts_at": "2026-04-14T08:00:00Z",
      "day_shift_c": "0.0",
      "day_mean_c": "21.0",
      "vent_max_pct": "80",
      "cooling_c_per_pct": "0.022",
      "flow_l_per_min": "6.0",
      "first_run_at": "2026-04-14T08:13:50Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 3,
    "fields": {
      "zone": 5,
      "day_no": 2,
      "starts_at": "2026-04-15T08:00:00Z",
      "day_shift_c": "-3.0",
      "day_mean_c": "18.0",
      "vent_max_pct": "80",
      "cooling_c_per_pct": "0.022",
      "flow_l_per_min": "6.0",
      "first_run_at": "2026-04-15T08:01:39Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 4,
    "fields": {
      "zone": 4,
      "day_no": 1,
      "starts_at": "2026-04-14T08:00:00Z",
      "day_shift_c": "0.0",
      "day_mean_c": "22.0",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.030",
      "flow_l_per_min": "12.0",
      "first_run_at": "2026-04-14T08:14:22Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 5,
    "fields": {
      "zone": 2,
      "day_no": 1,
      "starts_at": "2026-04-14T08:00:00Z",
      "day_shift_c": "0.0",
      "day_mean_c": "22.5",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.025",
      "flow_l_per_min": "20.0",
      "first_run_at": "2026-04-14T08:28:49Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 6,
    "fields": {
      "zone": 4,
      "day_no": 2,
      "starts_at": "2026-04-15T08:00:00Z",
      "day_shift_c": "-3.0",
      "day_mean_c": "19.0",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.030",
      "flow_l_per_min": "12.0",
      "first_run_at": "2026-04-15T08:28:16Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 7,
    "fields": {
      "zone": 6,
      "day_no": 2,
      "starts_at": "2026-04-15T08:00:00Z",
      "day_shift_c": "-3.0",
      "day_mean_c": "21.0",
      "vent_max_pct": "70",
      "cooling_c_per_pct": "0.020",
      "flow_l_per_min": "8.0",
      "first_run_at": "2026-04-15T08:25:19Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 8,
    "fields": {
      "zone": 5,
      "day_no": 3,
      "starts_at": "2026-04-16T08:00:00Z",
      "day_shift_c": "1.5",
      "day_mean_c": "22.5",
      "vent_max_pct": "80",
      "cooling_c_per_pct": "0.022",
      "flow_l_per_min": "6.0",
      "first_run_at": "2026-04-16T08:11:08Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 9,
    "fields": {
      "zone": 3,
      "day_no": 1,
      "starts_at": "2026-04-14T08:00:00Z",
      "day_shift_c": "0.0",
      "day_mean_c": "23.0",
      "vent_max_pct": "90",
      "cooling_c_per_pct": "0.028",
      "flow_l_per_min": "16.0",
      "first_run_at": "2026-04-14T08:12:33Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 10,
    "fields": {
      "zone": 1,
      "day_no": 1,
      "starts_at": "2026-04-14T08:00:00Z",
      "day_shift_c": "0.0",
      "day_mean_c": "22.0",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.025",
      "flow_l_per_min": "20.0",
      "first_run_at": "2026-04-14T08:07:47Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 11,
    "fields": {
      "zone": 2,
      "day_no": 2,
      "starts_at": "2026-04-15T08:00:00Z",
      "day_shift_c": "-3.0",
      "day_mean_c": "19.5",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.025",
      "flow_l_per_min": "20.0",
      "first_run_at": "2026-04-15T08:22:01Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 12,
    "fields": {
      "zone": 3,
      "day_no": 2,
      "starts_at": "2026-04-15T08:00:00Z",
      "day_shift_c": "-3.0",
      "day_mean_c": "20.0",
      "vent_max_pct": "90",
      "cooling_c_per_pct": "0.028",
      "flow_l_per_min": "16.0",
      "first_run_at": "2026-04-15T08:06:22Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 13,
    "fields": {
      "zone": 6,
      "day_no": 3,
      "starts_at": "2026-04-16T08:00:00Z",
      "day_shift_c": "1.5",
      "day_mean_c": "25.5",
      "vent_max_pct": "70",
      "cooling_c_per_pct": "0.020",
      "flow_l_per_min": "8.0",
      "first_run_at": "2026-04-16T08:23:59Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 14,
    "fields": {
      "zone": 2,
      "day_no": 3,
      "starts_at": "2026-04-16T08:00:00Z",
      "day_shift_c": "1.5",
      "day_mean_c": "24.0",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.025",
      "flow_l_per_min": "20.0",
      "first_run_at": "2026-04-16T08:13:27Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 15,
    "fields": {
      "zone": 1,
      "day_no": 2,
      "starts_at": "2026-04-15T08:00:00Z",
      "day_shift_c": "-3.0",
      "day_mean_c": "19.0",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.025",
      "flow_l_per_min": "20.0",
      "first_run_at": "2026-04-15T08:17:51Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 16,
    "fields": {
      "zone": 4,
      "day_no": 3,
      "starts_at": "2026-04-16T08:00:00Z",
      "day_shift_c": "1.5",
      "day_mean_c": "23.5",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.030",
      "flow_l_per_min": "12.0",
      "first_run_at": "2026-04-16T08:27:38Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 17,
    "fields": {
      "zone": 1,
      "day_no": 3,
      "starts_at": "2026-04-16T08:00:00Z",
      "day_shift_c": "1.5",
      "day_mean_c": "23.5",
      "vent_max_pct": "100",
      "cooling_c_per_pct": "0.025",
      "flow_l_per_min": "20.0",
      "first_run_at": "2026-04-16T08:27:11Z"
    }
  },
  {
    "model": "app.zoneday",
    "pk": 18,
    "fields": {
      "zone": 3,
      "day_no": 3,
      "starts_at": "2026-04-16T08:00:00Z",
      "day_shift_c": "1.5",
      "day_mean_c": "24.5",
      "vent_max_pct": "90",
      "cooling_c_per_pct": "0.028",
      "flow_l_per_min": "16.0",
      "first_run_at": "2026-04-16T08:18:30Z"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 1,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "run_no": 1,
      "started_at": "2026-04-14T08:13:50Z",
      "minutes_run": "8",
      "litres_applied": "48",
      "feed_ec_ms_cm": "1.97"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 2,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "run_no": 1,
      "started_at": "2026-04-16T08:27:11Z",
      "minutes_run": "8",
      "litres_applied": "160",
      "feed_ec_ms_cm": "2.44"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 3,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "run_no": 1,
      "started_at": "2026-04-14T08:12:33Z",
      "minutes_run": "8",
      "litres_applied": "128",
      "feed_ec_ms_cm": "2.06"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 4,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "run_no": 2,
      "started_at": "2026-04-16T14:27:11Z",
      "minutes_run": "6",
      "litres_applied": "120",
      "feed_ec_ms_cm": "2.03"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 5,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "run_no": 1,
      "started_at": "2026-04-16T08:18:30Z",
      "minutes_run": "8",
      "litres_applied": "128",
      "feed_ec_ms_cm": "1.88"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 6,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "run_no": 1,
      "started_at": "2026-04-15T08:01:39Z",
      "minutes_run": "8",
      "litres_applied": "48",
      "feed_ec_ms_cm": "2.33"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 7,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "run_no": 1,
      "started_at": "2026-04-16T08:23:59Z",
      "minutes_run": "8",
      "litres_applied": "64",
      "feed_ec_ms_cm": "2.31"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 8,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "run_no": 1,
      "started_at": "2026-04-14T08:28:49Z",
      "minutes_run": "8",
      "litres_applied": "160",
      "feed_ec_ms_cm": "2.31"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 9,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "run_no": 2,
      "started_at": "2026-04-14T14:12:33Z",
      "minutes_run": "6",
      "litres_applied": "96",
      "feed_ec_ms_cm": "2.27"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 10,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "run_no": 1,
      "started_at": "2026-04-16T08:27:38Z",
      "minutes_run": "8",
      "litres_applied": "96",
      "feed_ec_ms_cm": "2.57"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 11,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "run_no": 3,
      "started_at": "2026-04-14T20:12:33Z",
      "minutes_run": "5",
      "litres_applied": "80",
      "feed_ec_ms_cm": "2.27"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 12,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "run_no": 1,
      "started_at": "2026-04-15T08:25:19Z",
      "minutes_run": "8",
      "litres_applied": "64",
      "feed_ec_ms_cm": "2.20"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 13,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "run_no": 1,
      "started_at": "2026-04-15T08:28:16Z",
      "minutes_run": "8",
      "litres_applied": "96",
      "feed_ec_ms_cm": "2.44"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 14,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "run_no": 2,
      "started_at": "2026-04-14T14:13:50Z",
      "minutes_run": "6",
      "litres_applied": "36",
      "feed_ec_ms_cm": "2.41"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 15,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "run_no": 1,
      "started_at": "2026-04-14T08:07:47Z",
      "minutes_run": "8",
      "litres_applied": "160",
      "feed_ec_ms_cm": "2.55"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 16,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "run_no": 1,
      "started_at": "2026-04-15T08:06:22Z",
      "minutes_run": "8",
      "litres_applied": "128",
      "feed_ec_ms_cm": "2.38"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 17,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "run_no": 2,
      "started_at": "2026-04-15T14:06:22Z",
      "minutes_run": "6",
      "litres_applied": "96",
      "feed_ec_ms_cm": "2.77"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 18,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "run_no": 2,
      "started_at": "2026-04-14T14:07:47Z",
      "minutes_run": "6",
      "litres_applied": "120",
      "feed_ec_ms_cm": "2.45"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 19,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "run_no": 2,
      "started_at": "2026-04-16T14:27:38Z",
      "minutes_run": "6",
      "litres_applied": "72",
      "feed_ec_ms_cm": "2.25"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 20,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "run_no": 1,
      "started_at": "2026-04-16T08:13:27Z",
      "minutes_run": "8",
      "litres_applied": "160",
      "feed_ec_ms_cm": "2.33"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 21,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "run_no": 1,
      "started_at": "2026-04-15T08:17:51Z",
      "minutes_run": "8",
      "litres_applied": "160",
      "feed_ec_ms_cm": "2.10"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 22,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "run_no": 3,
      "started_at": "2026-04-16T20:27:38Z",
      "minutes_run": "5",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.45"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 23,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "run_no": 2,
      "started_at": "2026-04-16T14:23:59Z",
      "minutes_run": "6",
      "litres_applied": "48",
      "feed_ec_ms_cm": "1.82"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 24,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "run_no": 2,
      "started_at": "2026-04-16T14:13:27Z",
      "minutes_run": "6",
      "litres_applied": "120",
      "feed_ec_ms_cm": "2.50"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 25,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "run_no": 3,
      "started_at": "2026-04-14T20:07:47Z",
      "minutes_run": "5",
      "litres_applied": "100",
      "feed_ec_ms_cm": "2.40"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 26,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "run_no": 2,
      "started_at": "2026-04-15T14:25:19Z",
      "minutes_run": "6",
      "litres_applied": "48",
      "feed_ec_ms_cm": "2.36"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 27,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "run_no": 2,
      "started_at": "2026-04-15T14:28:16Z",
      "minutes_run": "6",
      "litres_applied": "72",
      "feed_ec_ms_cm": "2.13"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 28,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "run_no": 2,
      "started_at": "2026-04-16T14:18:30Z",
      "minutes_run": "6",
      "litres_applied": "96",
      "feed_ec_ms_cm": "2.63"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 29,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "run_no": 2,
      "started_at": "2026-04-15T14:17:51Z",
      "minutes_run": "6",
      "litres_applied": "120",
      "feed_ec_ms_cm": "2.19"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 30,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "run_no": 1,
      "started_at": "2026-04-15T08:22:01Z",
      "minutes_run": "8",
      "litres_applied": "160",
      "feed_ec_ms_cm": "2.47"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 31,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "run_no": 3,
      "started_at": "2026-04-16T20:18:30Z",
      "minutes_run": "5",
      "litres_applied": "80",
      "feed_ec_ms_cm": "2.20"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 32,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "run_no": 1,
      "started_at": "2026-04-14T08:05:42Z",
      "minutes_run": "8",
      "litres_applied": "64",
      "feed_ec_ms_cm": "2.20"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 33,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "run_no": 2,
      "started_at": "2026-04-15T14:22:01Z",
      "minutes_run": "6",
      "litres_applied": "120",
      "feed_ec_ms_cm": "2.67"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 34,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "run_no": 2,
      "started_at": "2026-04-14T14:28:49Z",
      "minutes_run": "6",
      "litres_applied": "120",
      "feed_ec_ms_cm": "2.48"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 35,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "run_no": 3,
      "started_at": "2026-04-15T20:22:01Z",
      "minutes_run": "5",
      "litres_applied": "100",
      "feed_ec_ms_cm": "2.29"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 36,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "run_no": 1,
      "started_at": "2026-04-16T08:11:08Z",
      "minutes_run": "8",
      "litres_applied": "48",
      "feed_ec_ms_cm": "2.13"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 37,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "run_no": 3,
      "started_at": "2026-04-15T20:17:51Z",
      "minutes_run": "5",
      "litres_applied": "100",
      "feed_ec_ms_cm": "2.35"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 38,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "run_no": 2,
      "started_at": "2026-04-14T14:05:42Z",
      "minutes_run": "6",
      "litres_applied": "48",
      "feed_ec_ms_cm": "2.43"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 39,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "run_no": 3,
      "started_at": "2026-04-16T20:13:27Z",
      "minutes_run": "5",
      "litres_applied": "100",
      "feed_ec_ms_cm": "2.20"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 40,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "run_no": 3,
      "started_at": "2026-04-15T20:06:22Z",
      "minutes_run": "5",
      "litres_applied": "80",
      "feed_ec_ms_cm": "2.24"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 41,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "run_no": 3,
      "started_at": "2026-04-16T20:27:11Z",
      "minutes_run": "5",
      "litres_applied": "100",
      "feed_ec_ms_cm": "2.39"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 42,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "run_no": 3,
      "started_at": "2026-04-14T20:13:50Z",
      "minutes_run": "5",
      "litres_applied": "30",
      "feed_ec_ms_cm": "2.58"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 43,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "run_no": 4,
      "started_at": "2026-04-16T02:22:01Z",
      "minutes_run": "3",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.29"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 44,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "run_no": 2,
      "started_at": "2026-04-16T14:11:08Z",
      "minutes_run": "6",
      "litres_applied": "36",
      "feed_ec_ms_cm": "2.18"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 45,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "run_no": 4,
      "started_at": "2026-04-15T02:12:33Z",
      "minutes_run": "3",
      "litres_applied": "48",
      "feed_ec_ms_cm": "2.43"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 46,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "run_no": 3,
      "started_at": "2026-04-16T20:11:08Z",
      "minutes_run": "5",
      "litres_applied": "30",
      "feed_ec_ms_cm": "2.28"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 47,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "run_no": 4,
      "started_at": "2026-04-17T02:11:08Z",
      "minutes_run": "3",
      "litres_applied": "18",
      "feed_ec_ms_cm": "2.39"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 48,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "run_no": 1,
      "started_at": "2026-04-14T08:14:22Z",
      "minutes_run": "8",
      "litres_applied": "96",
      "feed_ec_ms_cm": "2.15"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 49,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "run_no": 4,
      "started_at": "2026-04-15T02:07:47Z",
      "minutes_run": "3",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.28"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 50,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "run_no": 2,
      "started_at": "2026-04-15T14:01:39Z",
      "minutes_run": "6",
      "litres_applied": "36",
      "feed_ec_ms_cm": "2.30"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 51,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "run_no": 2,
      "started_at": "2026-04-14T14:14:22Z",
      "minutes_run": "6",
      "litres_applied": "72",
      "feed_ec_ms_cm": "2.41"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 52,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "run_no": 3,
      "started_at": "2026-04-16T20:23:59Z",
      "minutes_run": "5",
      "litres_applied": "40",
      "feed_ec_ms_cm": "1.89"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 53,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "run_no": 4,
      "started_at": "2026-04-17T02:13:27Z",
      "minutes_run": "3",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.34"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 54,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "run_no": 3,
      "started_at": "2026-04-15T20:28:16Z",
      "minutes_run": "5",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.25"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 55,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "run_no": 3,
      "started_at": "2026-04-15T20:01:39Z",
      "minutes_run": "5",
      "litres_applied": "30",
      "feed_ec_ms_cm": "2.45"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 56,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "run_no": 3,
      "started_at": "2026-04-14T20:05:42Z",
      "minutes_run": "5",
      "litres_applied": "40",
      "feed_ec_ms_cm": "2.12"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 57,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "run_no": 3,
      "started_at": "2026-04-14T20:28:49Z",
      "minutes_run": "5",
      "litres_applied": "100",
      "feed_ec_ms_cm": "2.45"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 58,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "run_no": 4,
      "started_at": "2026-04-15T02:28:49Z",
      "minutes_run": "3",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.27"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 59,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "run_no": 4,
      "started_at": "2026-04-15T02:13:50Z",
      "minutes_run": "3",
      "litres_applied": "18",
      "feed_ec_ms_cm": "2.44"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 60,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "run_no": 4,
      "started_at": "2026-04-17T02:23:59Z",
      "minutes_run": "3",
      "litres_applied": "24",
      "feed_ec_ms_cm": "2.41"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 61,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "run_no": 4,
      "started_at": "2026-04-16T02:17:51Z",
      "minutes_run": "3",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.16"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 62,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "run_no": 4,
      "started_at": "2026-04-16T02:01:39Z",
      "minutes_run": "3",
      "litres_applied": "18",
      "feed_ec_ms_cm": "2.32"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 63,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "run_no": 3,
      "started_at": "2026-04-15T20:25:19Z",
      "minutes_run": "5",
      "litres_applied": "40",
      "feed_ec_ms_cm": "2.15"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 64,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "run_no": 4,
      "started_at": "2026-04-17T02:18:30Z",
      "minutes_run": "3",
      "litres_applied": "48",
      "feed_ec_ms_cm": "2.05"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 65,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "run_no": 3,
      "started_at": "2026-04-14T20:14:22Z",
      "minutes_run": "5",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.43"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 66,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "run_no": 4,
      "started_at": "2026-04-17T02:27:11Z",
      "minutes_run": "3",
      "litres_applied": "60",
      "feed_ec_ms_cm": "2.57"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 67,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "run_no": 4,
      "started_at": "2026-04-17T02:27:38Z",
      "minutes_run": "3",
      "litres_applied": "36",
      "feed_ec_ms_cm": "2.18"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 68,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "run_no": 4,
      "started_at": "2026-04-16T02:25:19Z",
      "minutes_run": "3",
      "litres_applied": "24",
      "feed_ec_ms_cm": "2.30"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 69,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "run_no": 4,
      "started_at": "2026-04-16T02:28:16Z",
      "minutes_run": "3",
      "litres_applied": "36",
      "feed_ec_ms_cm": "2.45"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 70,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "run_no": 4,
      "started_at": "2026-04-16T02:06:22Z",
      "minutes_run": "3",
      "litres_applied": "48",
      "feed_ec_ms_cm": "2.39"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 71,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "run_no": 4,
      "started_at": "2026-04-15T02:05:42Z",
      "minutes_run": "3",
      "litres_applied": "24",
      "feed_ec_ms_cm": "2.32"
    }
  },
  {
    "model": "app.irrigationrun",
    "pk": 72,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "run_no": 4,
      "started_at": "2026-04-15T02:14:22Z",
      "minutes_run": "3",
      "litres_applied": "36",
      "feed_ec_ms_cm": "2.31"
    }
  },
  {
    "model": "app.reading",
    "pk": 1,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 1,
      "reading_at": "2026-04-14T08:00:00Z",
      "diurnal_swing_c": "-0.03",
      "free_run_c": "21.97",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.97",
      "humidity_pct": "72.8",
      "co2_ppm": "612"
    }
  },
  {
    "model": "app.reading",
    "pk": 2,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 1,
      "reading_at": "2026-04-14T08:00:00Z",
      "diurnal_swing_c": "-0.01",
      "free_run_c": "23.99",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.99",
      "humidity_pct": "73.4",
      "co2_ppm": "620"
    }
  },
  {
    "model": "app.reading",
    "pk": 3,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 1,
      "reading_at": "2026-04-14T08:00:00Z",
      "diurnal_swing_c": "0.23",
      "free_run_c": "23.23",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.23",
      "humidity_pct": "72.6",
      "co2_ppm": "620"
    }
  },
  {
    "model": "app.reading",
    "pk": 4,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 1,
      "reading_at": "2026-04-16T08:00:00Z",
      "diurnal_swing_c": "-0.46",
      "free_run_c": "23.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.04",
      "humidity_pct": "72.8",
      "co2_ppm": "604"
    }
  },
  {
    "model": "app.reading",
    "pk": 5,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 1,
      "reading_at": "2026-04-16T08:00:00Z",
      "diurnal_swing_c": "-0.24",
      "free_run_c": "25.26",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.26",
      "humidity_pct": "70.6",
      "co2_ppm": "606"
    }
  },
  {
    "model": "app.reading",
    "pk": 6,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 1,
      "reading_at": "2026-04-14T08:00:00Z",
      "diurnal_swing_c": "0.16",
      "free_run_c": "22.66",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.66",
      "humidity_pct": "70.4",
      "co2_ppm": "586"
    }
  },
  {
    "model": "app.reading",
    "pk": 7,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 1,
      "reading_at": "2026-04-14T08:00:00Z",
      "diurnal_swing_c": "-0.29",
      "free_run_c": "21.71",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.71",
      "humidity_pct": "67.9",
      "co2_ppm": "585"
    }
  },
  {
    "model": "app.reading",
    "pk": 8,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 1,
      "reading_at": "2026-04-15T08:00:00Z",
      "diurnal_swing_c": "0.39",
      "free_run_c": "19.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.89",
      "humidity_pct": "71.5",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 9,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 2,
      "reading_at": "2026-04-16T08:30:00Z",
      "diurnal_swing_c": "0.68",
      "free_run_c": "24.18",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.18",
      "humidity_pct": "69.3",
      "co2_ppm": "553"
    }
  },
  {
    "model": "app.reading",
    "pk": 10,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 2,
      "reading_at": "2026-04-14T08:30:00Z",
      "diurnal_swing_c": "0.89",
      "free_run_c": "24.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.89",
      "humidity_pct": "67.7",
      "co2_ppm": "581"
    }
  },
  {
    "model": "app.reading",
    "pk": 11,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 2,
      "reading_at": "2026-04-14T08:30:00Z",
      "diurnal_swing_c": "0.48",
      "free_run_c": "23.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.48",
      "humidity_pct": "68.9",
      "co2_ppm": "582"
    }
  },
  {
    "model": "app.reading",
    "pk": 12,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 1,
      "reading_at": "2026-04-16T08:00:00Z",
      "diurnal_swing_c": "0.23",
      "free_run_c": "23.73",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.73",
      "humidity_pct": "69.6",
      "co2_ppm": "622"
    }
  },
  {
    "model": "app.reading",
    "pk": 13,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 2,
      "reading_at": "2026-04-14T08:30:00Z",
      "diurnal_swing_c": "0.05",
      "free_run_c": "22.05",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.05",
      "humidity_pct": "68.0",
      "co2_ppm": "579"
    }
  },
  {
    "model": "app.reading",
    "pk": 14,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 2,
      "reading_at": "2026-04-14T08:30:00Z",
      "diurnal_swing_c": "1.05",
      "free_run_c": "23.05",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.05",
      "humidity_pct": "71.7",
      "co2_ppm": "564"
    }
  },
  {
    "model": "app.reading",
    "pk": 15,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 3,
      "reading_at": "2026-04-14T09:00:00Z",
      "diurnal_swing_c": "1.75",
      "free_run_c": "23.75",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "23.12",
      "humidity_pct": "68.1",
      "co2_ppm": "557"
    }
  },
  {
    "model": "app.reading",
    "pk": 16,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 2,
      "reading_at": "2026-04-16T08:30:00Z",
      "diurnal_swing_c": "0.83",
      "free_run_c": "26.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.33",
      "humidity_pct": "70.0",
      "co2_ppm": "552"
    }
  },
  {
    "model": "app.reading",
    "pk": 17,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 3,
      "reading_at": "2026-04-14T09:00:00Z",
      "diurnal_swing_c": "1.53",
      "free_run_c": "24.53",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "23.89",
      "humidity_pct": "68.0",
      "co2_ppm": "525"
    }
  },
  {
    "model": "app.reading",
    "pk": 18,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 4,
      "reading_at": "2026-04-14T09:30:00Z",
      "diurnal_swing_c": "2.34",
      "free_run_c": "24.34",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "23.71",
      "humidity_pct": "68.9",
      "co2_ppm": "518"
    }
  },
  {
    "model": "app.reading",
    "pk": 19,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 3,
      "reading_at": "2026-04-14T09:00:00Z",
      "diurnal_swing_c": "1.61",
      "free_run_c": "23.61",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "22.86",
      "humidity_pct": "69.2",
      "co2_ppm": "575"
    }
  },
  {
    "model": "app.reading",
    "pk": 20,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 2,
      "reading_at": "2026-04-16T08:30:00Z",
      "diurnal_swing_c": "0.45",
      "free_run_c": "23.95",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.95",
      "humidity_pct": "69.8",
      "co2_ppm": "578"
    }
  },
  {
    "model": "app.reading",
    "pk": 21,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 4,
      "reading_at": "2026-04-14T09:30:00Z",
      "diurnal_swing_c": "2.23",
      "free_run_c": "24.23",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "23.48",
      "humidity_pct": null,
      "co2_ppm": "543"
    }
  },
  {
    "model": "app.reading",
    "pk": 22,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 2,
      "reading_at": "2026-04-14T08:30:00Z",
      "diurnal_swing_c": "0.84",
      "free_run_c": "23.34",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.34",
      "humidity_pct": "69.3",
      "co2_ppm": "570"
    }
  },
  {
    "model": "app.reading",
    "pk": 23,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 5,
      "reading_at": "2026-04-14T10:00:00Z",
      "diurnal_swing_c": "2.57",
      "free_run_c": "24.57",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "23.07",
      "humidity_pct": "66.7",
      "co2_ppm": "540"
    }
  },
  {
    "model": "app.reading",
    "pk": 24,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 3,
      "reading_at": "2026-04-16T09:00:00Z",
      "diurnal_swing_c": "1.42",
      "free_run_c": "24.92",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "24.29",
      "humidity_pct": "69.4",
      "co2_ppm": "544"
    }
  },
  {
    "model": "app.reading",
    "pk": 25,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 1,
      "reading_at": "2026-04-15T08:00:00Z",
      "diurnal_swing_c": "0.30",
      "free_run_c": "19.30",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.30",
      "humidity_pct": "70.5",
      "co2_ppm": "601"
    }
  },
  {
    "model": "app.reading",
    "pk": 26,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 4,
      "reading_at": "2026-04-14T09:30:00Z",
      "diurnal_swing_c": "2.54",
      "free_run_c": "25.54",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "24.90",
      "humidity_pct": "67.4",
      "co2_ppm": "570"
    }
  },
  {
    "model": "app.reading",
    "pk": 27,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 1,
      "reading_at": "2026-04-16T08:00:00Z",
      "diurnal_swing_c": "-0.08",
      "free_run_c": "22.42",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.42",
      "humidity_pct": "72.2",
      "co2_ppm": "574"
    }
  },
  {
    "model": "app.reading",
    "pk": 28,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 3,
      "reading_at": "2026-04-14T09:00:00Z",
      "diurnal_swing_c": "1.60",
      "free_run_c": "24.10",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "23.47",
      "humidity_pct": "71.6",
      "co2_ppm": "556"
    }
  },
  {
    "model": "app.reading",
    "pk": 29,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 1,
      "reading_at": "2026-04-15T08:00:00Z",
      "diurnal_swing_c": "-0.31",
      "free_run_c": "17.69",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.69",
      "humidity_pct": "78.3",
      "co2_ppm": "571"
    }
  },
  {
    "model": "app.reading",
    "pk": 30,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 2,
      "reading_at": "2026-04-15T08:30:00Z",
      "diurnal_swing_c": "0.39",
      "free_run_c": "19.39",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.39",
      "humidity_pct": "71.1",
      "co2_ppm": "530"
    }
  },
  {
    "model": "app.reading",
    "pk": 31,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 1,
      "reading_at": "2026-04-15T08:00:00Z",
      "diurnal_swing_c": "0.12",
      "free_run_c": "20.12",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.12",
      "humidity_pct": "72.7",
      "co2_ppm": "589"
    }
  },
  {
    "model": "app.reading",
    "pk": 32,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 1,
      "reading_at": "2026-04-16T08:00:00Z",
      "diurnal_swing_c": "-0.45",
      "free_run_c": "23.55",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.55",
      "humidity_pct": "73.5",
      "co2_ppm": "590"
    }
  },
  {
    "model": "app.reading",
    "pk": 33,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 6,
      "reading_at": "2026-04-14T10:30:00Z",
      "diurnal_swing_c": "3.04",
      "free_run_c": "25.04",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "23.54",
      "humidity_pct": "62.1",
      "co2_ppm": "487"
    }
  },
  {
    "model": "app.reading",
    "pk": 34,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 2,
      "reading_at": "2026-04-15T08:30:00Z",
      "diurnal_swing_c": "0.75",
      "free_run_c": "20.25",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.25",
      "humidity_pct": "69.2",
      "co2_ppm": "561"
    }
  },
  {
    "model": "app.reading",
    "pk": 35,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 2,
      "reading_at": "2026-04-16T08:30:00Z",
      "diurnal_swing_c": "0.56",
      "free_run_c": "23.06",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.06",
      "humidity_pct": "72.2",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 36,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 2,
      "reading_at": "2026-04-16T08:30:00Z",
      "diurnal_swing_c": "0.57",
      "free_run_c": "24.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.57",
      "humidity_pct": "73.8",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 37,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 4,
      "reading_at": "2026-04-16T09:30:00Z",
      "diurnal_swing_c": "2.10",
      "free_run_c": "25.60",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "24.97",
      "humidity_pct": "67.5",
      "co2_ppm": "520"
    }
  },
  {
    "model": "app.reading",
    "pk": 38,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 5,
      "reading_at": "2026-04-14T10:00:00Z",
      "diurnal_swing_c": "2.45",
      "free_run_c": "24.45",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "23.20",
      "humidity_pct": "64.9",
      "co2_ppm": "495"
    }
  },
  {
    "model": "app.reading",
    "pk": 39,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 1,
      "reading_at": "2026-04-15T08:00:00Z",
      "diurnal_swing_c": "-0.11",
      "free_run_c": "20.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.89",
      "humidity_pct": "74.9",
      "co2_ppm": "597"
    }
  },
  {
    "model": "app.reading",
    "pk": 40,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 3,
      "reading_at": "2026-04-15T09:00:00Z",
      "diurnal_swing_c": "1.18",
      "free_run_c": "20.18",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "19.43",
      "humidity_pct": "70.9",
      "co2_ppm": "575"
    }
  },
  {
    "model": "app.reading",
    "pk": 41,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 1,
      "reading_at": "2026-04-16T08:00:00Z",
      "diurnal_swing_c": "0.06",
      "free_run_c": "24.56",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.56",
      "humidity_pct": null,
      "co2_ppm": "617"
    }
  },
  {
    "model": "app.reading",
    "pk": 42,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 4,
      "reading_at": "2026-04-15T09:30:00Z",
      "diurnal_swing_c": "2.86",
      "free_run_c": "21.86",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "21.11",
      "humidity_pct": "66.6",
      "co2_ppm": "516"
    }
  },
  {
    "model": "app.reading",
    "pk": 43,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 2,
      "reading_at": "2026-04-16T08:30:00Z",
      "diurnal_swing_c": "0.69",
      "free_run_c": "25.19",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.19",
      "humidity_pct": "73.3",
      "co2_ppm": "588"
    }
  },
  {
    "model": "app.reading",
    "pk": 44,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 3,
      "reading_at": "2026-04-16T09:00:00Z",
      "diurnal_swing_c": "1.42",
      "free_run_c": "25.42",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "24.79",
      "humidity_pct": "68.1",
      "co2_ppm": "550"
    }
  },
  {
    "model": "app.reading",
    "pk": 45,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 1,
      "reading_at": "2026-04-14T08:00:00Z",
      "diurnal_swing_c": "0.26",
      "free_run_c": "21.26",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.26",
      "humidity_pct": "71.4",
      "co2_ppm": "616"
    }
  },
  {
    "model": "app.reading",
    "pk": 46,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 3,
      "reading_at": "2026-04-15T09:00:00Z",
      "diurnal_swing_c": "1.19",
      "free_run_c": "20.69",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "20.06",
      "humidity_pct": "66.1",
      "co2_ppm": "540"
    }
  },
  {
    "model": "app.reading",
    "pk": 47,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 3,
      "reading_at": "2026-04-16T09:00:00Z",
      "diurnal_swing_c": "1.09",
      "free_run_c": "24.59",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "23.84",
      "humidity_pct": "69.1",
      "co2_ppm": "561"
    }
  },
  {
    "model": "app.reading",
    "pk": 48,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 4,
      "reading_at": "2026-04-16T09:30:00Z",
      "diurnal_swing_c": "2.46",
      "free_run_c": "26.46",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "25.83",
      "humidity_pct": "67.9",
      "co2_ppm": "529"
    }
  },
  {
    "model": "app.reading",
    "pk": 49,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 4,
      "reading_at": "2026-04-14T09:30:00Z",
      "diurnal_swing_c": "2.28",
      "free_run_c": "24.78",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "24.15",
      "humidity_pct": "67.2",
      "co2_ppm": "542"
    }
  },
  {
    "model": "app.reading",
    "pk": 50,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 5,
      "reading_at": "2026-04-16T10:00:00Z",
      "diurnal_swing_c": "2.65",
      "free_run_c": "26.65",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "25.40",
      "humidity_pct": "66.0",
      "co2_ppm": "498"
    }
  },
  {
    "model": "app.reading",
    "pk": 51,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 5,
      "reading_at": "2026-04-15T10:00:00Z",
      "diurnal_swing_c": "3.11",
      "free_run_c": "22.11",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "20.61",
      "humidity_pct": "60.2",
      "co2_ppm": "522"
    }
  },
  {
    "model": "app.reading",
    "pk": 52,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 7,
      "reading_at": "2026-04-14T11:00:00Z",
      "diurnal_swing_c": "3.39",
      "free_run_c": "25.39",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "22.39",
      "humidity_pct": "65.8",
      "co2_ppm": "484"
    }
  },
  {
    "model": "app.reading",
    "pk": 53,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 4,
      "reading_at": "2026-04-16T09:30:00Z",
      "diurnal_swing_c": "1.21",
      "free_run_c": "24.71",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "23.96",
      "humidity_pct": null,
      "co2_ppm": "527"
    }
  },
  {
    "model": "app.reading",
    "pk": 54,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 5,
      "reading_at": "2026-04-14T10:00:00Z",
      "diurnal_swing_c": "3.09",
      "free_run_c": "25.59",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "24.34",
      "humidity_pct": "65.1",
      "co2_ppm": "520"
    }
  },
  {
    "model": "app.reading",
    "pk": 55,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 8,
      "reading_at": "2026-04-14T11:30:00Z",
      "diurnal_swing_c": "4.41",
      "free_run_c": "26.41",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "23.41",
      "humidity_pct": "62.5",
      "co2_ppm": "482"
    }
  },
  {
    "model": "app.reading",
    "pk": 56,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 4,
      "reading_at": "2026-04-15T09:30:00Z",
      "diurnal_swing_c": "2.60",
      "free_run_c": "22.10",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "21.47",
      "humidity_pct": "69.9",
      "co2_ppm": "543"
    }
  },
  {
    "model": "app.reading",
    "pk": 57,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 5,
      "reading_at": "2026-04-15T10:00:00Z",
      "diurnal_swing_c": "2.37",
      "free_run_c": "21.87",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "20.62",
      "humidity_pct": "62.0",
      "co2_ppm": "524"
    }
  },
  {
    "model": "app.reading",
    "pk": 58,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 2,
      "reading_at": "2026-04-15T08:30:00Z",
      "diurnal_swing_c": "0.71",
      "free_run_c": "20.71",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.71",
      "humidity_pct": "66.9",
      "co2_ppm": "583"
    }
  },
  {
    "model": "app.reading",
    "pk": 59,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 6,
      "reading_at": "2026-04-14T10:30:00Z",
      "diurnal_swing_c": "3.67",
      "free_run_c": "25.67",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "24.42",
      "humidity_pct": "62.3",
      "co2_ppm": "498"
    }
  },
  {
    "model": "app.reading",
    "pk": 60,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 9,
      "reading_at": "2026-04-14T12:00:00Z",
      "diurnal_swing_c": "5.22",
      "free_run_c": "27.22",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "24.22",
      "humidity_pct": "59.4",
      "co2_ppm": "475"
    }
  },
  {
    "model": "app.reading",
    "pk": 61,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 2,
      "reading_at": "2026-04-14T08:30:00Z",
      "diurnal_swing_c": "1.51",
      "free_run_c": "22.51",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.51",
      "humidity_pct": "70.2",
      "co2_ppm": "553"
    }
  },
  {
    "model": "app.reading",
    "pk": 62,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 5,
      "reading_at": "2026-04-16T10:00:00Z",
      "diurnal_swing_c": "2.41",
      "free_run_c": "25.91",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "24.41",
      "humidity_pct": "67.3",
      "co2_ppm": "486"
    }
  },
  {
    "model": "app.reading",
    "pk": 63,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 10,
      "reading_at": "2026-04-14T12:30:00Z",
      "diurnal_swing_c": "5.15",
      "free_run_c": "27.15",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "24.15",
      "humidity_pct": "60.4",
      "co2_ppm": "392"
    }
  },
  {
    "model": "app.reading",
    "pk": 64,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 6,
      "reading_at": "2026-04-16T10:30:00Z",
      "diurnal_swing_c": "3.50",
      "free_run_c": "27.00",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "25.50",
      "humidity_pct": "66.9",
      "co2_ppm": "518"
    }
  },
  {
    "model": "app.reading",
    "pk": 65,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 3,
      "reading_at": "2026-04-14T09:00:00Z",
      "diurnal_swing_c": "1.45",
      "free_run_c": "22.45",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "22.01",
      "humidity_pct": "70.6",
      "co2_ppm": "556"
    }
  },
  {
    "model": "app.reading",
    "pk": 66,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 6,
      "reading_at": "2026-04-14T10:30:00Z",
      "diurnal_swing_c": "3.54",
      "free_run_c": "26.04",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "24.79",
      "humidity_pct": "67.6",
      "co2_ppm": "480"
    }
  },
  {
    "model": "app.reading",
    "pk": 67,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 3,
      "reading_at": "2026-04-14T09:00:00Z",
      "diurnal_swing_c": "1.51",
      "free_run_c": "25.51",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "25.15",
      "humidity_pct": "70.0",
      "co2_ppm": "523"
    }
  },
  {
    "model": "app.reading",
    "pk": 68,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 7,
      "reading_at": "2026-04-14T11:00:00Z",
      "diurnal_swing_c": "4.00",
      "free_run_c": "26.50",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.00",
      "humidity_pct": "62.6",
      "co2_ppm": "498"
    }
  },
  {
    "model": "app.reading",
    "pk": 69,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 2,
      "reading_at": "2026-04-15T08:30:00Z",
      "diurnal_swing_c": "0.36",
      "free_run_c": "21.36",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.36",
      "humidity_pct": "69.5",
      "co2_ppm": "584"
    }
  },
  {
    "model": "app.reading",
    "pk": 70,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 5,
      "reading_at": "2026-04-14T10:00:00Z",
      "diurnal_swing_c": "2.56",
      "free_run_c": "25.56",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "24.30",
      "humidity_pct": "61.5",
      "co2_ppm": "509"
    }
  },
  {
    "model": "app.reading",
    "pk": 71,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 2,
      "reading_at": "2026-04-15T08:30:00Z",
      "diurnal_swing_c": "0.40",
      "free_run_c": "18.40",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.40",
      "humidity_pct": "66.4",
      "co2_ppm": "615"
    }
  },
  {
    "model": "app.reading",
    "pk": 72,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 8,
      "reading_at": "2026-04-14T11:30:00Z",
      "diurnal_swing_c": "4.39",
      "free_run_c": "26.89",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.39",
      "humidity_pct": "56.8",
      "co2_ppm": "435"
    }
  },
  {
    "model": "app.reading",
    "pk": 73,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 1,
      "reading_at": "2026-04-15T08:00:00Z",
      "diurnal_swing_c": "-0.74",
      "free_run_c": "18.26",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.26",
      "humidity_pct": "75.3",
      "co2_ppm": "613"
    }
  },
  {
    "model": "app.reading",
    "pk": 74,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 5,
      "reading_at": "2026-04-16T10:00:00Z",
      "diurnal_swing_c": "3.10",
      "free_run_c": "26.60",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "25.35",
      "humidity_pct": "60.5",
      "co2_ppm": "504"
    }
  },
  {
    "model": "app.reading",
    "pk": 75,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 6,
      "reading_at": "2026-04-16T10:30:00Z",
      "diurnal_swing_c": "3.60",
      "free_run_c": "27.10",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "25.85",
      "humidity_pct": "62.6",
      "co2_ppm": "482"
    }
  },
  {
    "model": "app.reading",
    "pk": 76,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 9,
      "reading_at": "2026-04-14T12:00:00Z",
      "diurnal_swing_c": "5.05",
      "free_run_c": "27.55",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.05",
      "humidity_pct": "61.2",
      "co2_ppm": "466"
    }
  },
  {
    "model": "app.reading",
    "pk": 77,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 10,
      "reading_at": "2026-04-14T12:30:00Z",
      "diurnal_swing_c": "5.07",
      "free_run_c": "27.57",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.07",
      "humidity_pct": "58.9",
      "co2_ppm": "435"
    }
  },
  {
    "model": "app.reading",
    "pk": 78,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 6,
      "reading_at": "2026-04-15T10:30:00Z",
      "diurnal_swing_c": "3.04",
      "free_run_c": "22.04",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "20.54",
      "humidity_pct": "60.8",
      "co2_ppm": "471"
    }
  },
  {
    "model": "app.reading",
    "pk": 79,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 3,
      "reading_at": "2026-04-16T09:00:00Z",
      "diurnal_swing_c": "1.64",
      "free_run_c": "24.14",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "23.70",
      "humidity_pct": "70.8",
      "co2_ppm": "506"
    }
  },
  {
    "model": "app.reading",
    "pk": 80,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 4,
      "reading_at": "2026-04-14T09:30:00Z",
      "diurnal_swing_c": "2.40",
      "free_run_c": "26.40",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "26.04",
      "humidity_pct": "67.6",
      "co2_ppm": "522"
    }
  },
  {
    "model": "app.reading",
    "pk": 81,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 11,
      "reading_at": "2026-04-14T13:00:00Z",
      "diurnal_swing_c": "5.26",
      "free_run_c": "27.76",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.26",
      "humidity_pct": "58.3",
      "co2_ppm": "415"
    }
  },
  {
    "model": "app.reading",
    "pk": 82,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 7,
      "reading_at": "2026-04-15T11:00:00Z",
      "diurnal_swing_c": "4.14",
      "free_run_c": "23.14",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "20.14",
      "humidity_pct": "60.2",
      "co2_ppm": "468"
    }
  },
  {
    "model": "app.reading",
    "pk": 83,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 3,
      "reading_at": "2026-04-16T09:00:00Z",
      "diurnal_swing_c": "1.40",
      "free_run_c": "25.90",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "25.26",
      "humidity_pct": "64.5",
      "co2_ppm": "578"
    }
  },
  {
    "model": "app.reading",
    "pk": 84,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 7,
      "reading_at": "2026-04-16T11:00:00Z",
      "diurnal_swing_c": "3.87",
      "free_run_c": "27.37",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.87",
      "humidity_pct": "63.5",
      "co2_ppm": "493"
    }
  },
  {
    "model": "app.reading",
    "pk": 85,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 11,
      "reading_at": "2026-04-14T13:00:00Z",
      "diurnal_swing_c": "4.97",
      "free_run_c": "26.97",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "23.97",
      "humidity_pct": "58.5",
      "co2_ppm": "430"
    }
  },
  {
    "model": "app.reading",
    "pk": 86,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 7,
      "reading_at": "2026-04-16T11:00:00Z",
      "diurnal_swing_c": "4.41",
      "free_run_c": "27.91",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "24.91",
      "humidity_pct": "63.7",
      "co2_ppm": "474"
    }
  },
  {
    "model": "app.reading",
    "pk": 87,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 4,
      "reading_at": "2026-04-16T09:30:00Z",
      "diurnal_swing_c": "2.42",
      "free_run_c": "24.92",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "24.48",
      "humidity_pct": "60.9",
      "co2_ppm": "531"
    }
  },
  {
    "model": "app.reading",
    "pk": 88,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 4,
      "reading_at": "2026-04-14T09:30:00Z",
      "diurnal_swing_c": "2.40",
      "free_run_c": "23.40",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "22.96",
      "humidity_pct": "63.2",
      "co2_ppm": "526"
    }
  },
  {
    "model": "app.reading",
    "pk": 89,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 4,
      "reading_at": "2026-04-16T09:30:00Z",
      "diurnal_swing_c": "2.07",
      "free_run_c": "26.57",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "25.93",
      "humidity_pct": "65.7",
      "co2_ppm": "514"
    }
  },
  {
    "model": "app.reading",
    "pk": 90,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 6,
      "reading_at": "2026-04-15T10:30:00Z",
      "diurnal_swing_c": "3.80",
      "free_run_c": "23.30",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "22.05",
      "humidity_pct": "62.1",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 91,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 6,
      "reading_at": "2026-04-16T10:30:00Z",
      "diurnal_swing_c": "3.42",
      "free_run_c": "27.42",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "26.17",
      "humidity_pct": "64.4",
      "co2_ppm": "477"
    }
  },
  {
    "model": "app.reading",
    "pk": 92,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 12,
      "reading_at": "2026-04-14T13:30:00Z",
      "diurnal_swing_c": "5.67",
      "free_run_c": "27.67",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "24.67",
      "humidity_pct": "56.0",
      "co2_ppm": "378"
    }
  },
  {
    "model": "app.reading",
    "pk": 93,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 7,
      "reading_at": "2026-04-16T11:00:00Z",
      "diurnal_swing_c": "4.20",
      "free_run_c": "28.20",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.70",
      "humidity_pct": "63.9",
      "co2_ppm": "484"
    }
  },
  {
    "model": "app.reading",
    "pk": 94,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 5,
      "reading_at": "2026-04-16T10:00:00Z",
      "diurnal_swing_c": "2.70",
      "free_run_c": "25.20",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "24.32",
      "humidity_pct": "66.0",
      "co2_ppm": "540"
    }
  },
  {
    "model": "app.reading",
    "pk": 95,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 2,
      "reading_at": "2026-04-15T08:30:00Z",
      "diurnal_swing_c": "0.62",
      "free_run_c": "19.62",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.62",
      "humidity_pct": "70.0",
      "co2_ppm": "588"
    }
  },
  {
    "model": "app.reading",
    "pk": 96,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 3,
      "reading_at": "2026-04-16T09:00:00Z",
      "diurnal_swing_c": "1.15",
      "free_run_c": "26.65",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "26.29",
      "humidity_pct": "68.9",
      "co2_ppm": "555"
    }
  },
  {
    "model": "app.reading",
    "pk": 97,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 3,
      "reading_at": "2026-04-15T09:00:00Z",
      "diurnal_swing_c": "1.78",
      "free_run_c": "21.78",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "21.14",
      "humidity_pct": "70.1",
      "co2_ppm": "570"
    }
  },
  {
    "model": "app.reading",
    "pk": 98,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 13,
      "reading_at": "2026-04-14T14:00:00Z",
      "diurnal_swing_c": "4.91",
      "free_run_c": "26.91",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "23.91",
      "humidity_pct": "61.8",
      "co2_ppm": "430"
    }
  },
  {
    "model": "app.reading",
    "pk": 99,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 4,
      "reading_at": "2026-04-15T09:30:00Z",
      "diurnal_swing_c": "2.11",
      "free_run_c": "22.11",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "21.47",
      "humidity_pct": "67.6",
      "co2_ppm": "550"
    }
  },
  {
    "model": "app.reading",
    "pk": 100,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 14,
      "reading_at": "2026-04-14T14:30:00Z",
      "diurnal_swing_c": "5.32",
      "free_run_c": "27.32",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "24.32",
      "humidity_pct": "62.0",
      "co2_ppm": "401"
    }
  },
  {
    "model": "app.reading",
    "pk": 101,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 6,
      "reading_at": "2026-04-14T10:30:00Z",
      "diurnal_swing_c": "3.80",
      "free_run_c": "26.80",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "25.54",
      "humidity_pct": "63.7",
      "co2_ppm": "495"
    }
  },
  {
    "model": "app.reading",
    "pk": 102,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 3,
      "reading_at": "2026-04-15T09:00:00Z",
      "diurnal_swing_c": "1.78",
      "free_run_c": "19.78",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "19.34",
      "humidity_pct": "68.4",
      "co2_ppm": "568"
    }
  },
  {
    "model": "app.reading",
    "pk": 103,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 8,
      "reading_at": "2026-04-16T11:30:00Z",
      "diurnal_swing_c": "3.98",
      "free_run_c": "27.98",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.48",
      "humidity_pct": "60.2",
      "co2_ppm": "463"
    }
  },
  {
    "model": "app.reading",
    "pk": 104,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 15,
      "reading_at": "2026-04-14T15:00:00Z",
      "diurnal_swing_c": "4.97",
      "free_run_c": "26.97",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "23.97",
      "humidity_pct": "57.7",
      "co2_ppm": "431"
    }
  },
  {
    "model": "app.reading",
    "pk": 105,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 5,
      "reading_at": "2026-04-15T10:00:00Z",
      "diurnal_swing_c": "2.79",
      "free_run_c": "22.79",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "21.53",
      "humidity_pct": "65.8",
      "co2_ppm": "527"
    }
  },
  {
    "model": "app.reading",
    "pk": 106,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 7,
      "reading_at": "2026-04-14T11:00:00Z",
      "diurnal_swing_c": "4.42",
      "free_run_c": "27.42",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "24.90",
      "humidity_pct": "60.6",
      "co2_ppm": "434"
    }
  },
  {
    "model": "app.reading",
    "pk": 107,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 8,
      "reading_at": "2026-04-15T11:30:00Z",
      "diurnal_swing_c": "4.25",
      "free_run_c": "23.25",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "20.25",
      "humidity_pct": "62.5",
      "co2_ppm": "454"
    }
  },
  {
    "model": "app.reading",
    "pk": 108,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 8,
      "reading_at": "2026-04-14T11:30:00Z",
      "diurnal_swing_c": "4.32",
      "free_run_c": "27.32",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "24.80",
      "humidity_pct": "60.1",
      "co2_ppm": "447"
    }
  },
  {
    "model": "app.reading",
    "pk": 109,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 8,
      "reading_at": "2026-04-16T11:30:00Z",
      "diurnal_swing_c": "4.67",
      "free_run_c": "28.17",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.67",
      "humidity_pct": "61.4",
      "co2_ppm": "473"
    }
  },
  {
    "model": "app.reading",
    "pk": 110,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 5,
      "reading_at": "2026-04-14T10:00:00Z",
      "diurnal_swing_c": "2.19",
      "free_run_c": "26.19",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "25.49",
      "humidity_pct": "61.2",
      "co2_ppm": "481"
    }
  },
  {
    "model": "app.reading",
    "pk": 111,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 9,
      "reading_at": "2026-04-16T12:00:00Z",
      "diurnal_swing_c": "5.23",
      "free_run_c": "29.23",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.73",
      "humidity_pct": "60.1",
      "co2_ppm": "438"
    }
  },
  {
    "model": "app.reading",
    "pk": 112,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 3,
      "reading_at": "2026-04-15T09:00:00Z",
      "diurnal_swing_c": "1.53",
      "free_run_c": "22.53",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "22.17",
      "humidity_pct": "71.8",
      "co2_ppm": "541"
    }
  },
  {
    "model": "app.reading",
    "pk": 113,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 6,
      "reading_at": "2026-04-15T10:30:00Z",
      "diurnal_swing_c": "3.52",
      "free_run_c": "23.52",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "22.26",
      "humidity_pct": null,
      "co2_ppm": "493"
    }
  },
  {
    "model": "app.reading",
    "pk": 114,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 7,
      "reading_at": "2026-04-15T11:00:00Z",
      "diurnal_swing_c": "3.81",
      "free_run_c": "23.31",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "20.81",
      "humidity_pct": null,
      "co2_ppm": "480"
    }
  },
  {
    "model": "app.reading",
    "pk": 115,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 3,
      "reading_at": "2026-04-15T09:00:00Z",
      "diurnal_swing_c": "1.72",
      "free_run_c": "20.72",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "20.09",
      "humidity_pct": "68.7",
      "co2_ppm": "504"
    }
  },
  {
    "model": "app.reading",
    "pk": 116,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 4,
      "reading_at": "2026-04-15T09:30:00Z",
      "diurnal_swing_c": "1.83",
      "free_run_c": "22.83",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "22.47",
      "humidity_pct": "62.4",
      "co2_ppm": "522"
    }
  },
  {
    "model": "app.reading",
    "pk": 117,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 4,
      "reading_at": "2026-04-16T09:30:00Z",
      "diurnal_swing_c": "2.13",
      "free_run_c": "27.63",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "27.27",
      "humidity_pct": "74.8",
      "co2_ppm": "568"
    }
  },
  {
    "model": "app.reading",
    "pk": 118,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 7,
      "reading_at": "2026-04-14T11:00:00Z",
      "diurnal_swing_c": "3.65",
      "free_run_c": "25.65",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "23.15",
      "humidity_pct": "62.3",
      "co2_ppm": "480"
    }
  },
  {
    "model": "app.reading",
    "pk": 119,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 9,
      "reading_at": "2026-04-14T12:00:00Z",
      "diurnal_swing_c": "5.00",
      "free_run_c": "28.00",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "25.48",
      "humidity_pct": "58.0",
      "co2_ppm": "461"
    }
  },
  {
    "model": "app.reading",
    "pk": 120,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 12,
      "reading_at": "2026-04-14T13:30:00Z",
      "diurnal_swing_c": "5.57",
      "free_run_c": "28.07",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.57",
      "humidity_pct": "61.3",
      "co2_ppm": "435"
    }
  },
  {
    "model": "app.reading",
    "pk": 121,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 6,
      "reading_at": "2026-04-14T10:30:00Z",
      "diurnal_swing_c": "3.50",
      "free_run_c": "27.50",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "26.80",
      "humidity_pct": "64.6",
      "co2_ppm": "455"
    }
  },
  {
    "model": "app.reading",
    "pk": 122,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 5,
      "reading_at": "2026-04-14T10:00:00Z",
      "diurnal_swing_c": "3.25",
      "free_run_c": "24.25",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "23.37",
      "humidity_pct": "68.3",
      "co2_ppm": "479"
    }
  },
  {
    "model": "app.reading",
    "pk": 123,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 4,
      "reading_at": "2026-04-15T09:30:00Z",
      "diurnal_swing_c": "2.04",
      "free_run_c": "20.04",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "19.60",
      "humidity_pct": "66.6",
      "co2_ppm": "534"
    }
  },
  {
    "model": "app.reading",
    "pk": 124,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 7,
      "reading_at": "2026-04-14T11:00:00Z",
      "diurnal_swing_c": "3.58",
      "free_run_c": "27.58",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "26.18",
      "humidity_pct": "60.1",
      "co2_ppm": "453"
    }
  },
  {
    "model": "app.reading",
    "pk": 125,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 8,
      "reading_at": "2026-04-14T11:30:00Z",
      "diurnal_swing_c": "3.97",
      "free_run_c": "25.97",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "23.47",
      "humidity_pct": "59.9",
      "co2_ppm": "467"
    }
  },
  {
    "model": "app.reading",
    "pk": 126,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 10,
      "reading_at": "2026-04-16T12:30:00Z",
      "diurnal_swing_c": "4.36",
      "free_run_c": "28.36",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.86",
      "humidity_pct": "61.2",
      "co2_ppm": "443"
    }
  },
  {
    "model": "app.reading",
    "pk": 127,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 8,
      "reading_at": "2026-04-15T11:30:00Z",
      "diurnal_swing_c": "4.29",
      "free_run_c": "23.79",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.29",
      "humidity_pct": "60.5",
      "co2_ppm": "487"
    }
  },
  {
    "model": "app.reading",
    "pk": 128,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 6,
      "reading_at": "2026-04-14T10:30:00Z",
      "diurnal_swing_c": "3.66",
      "free_run_c": "24.66",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "23.78",
      "humidity_pct": "64.8",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 129,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 4,
      "reading_at": "2026-04-15T09:30:00Z",
      "diurnal_swing_c": "2.47",
      "free_run_c": "21.47",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "20.84",
      "humidity_pct": "66.7",
      "co2_ppm": "548"
    }
  },
  {
    "model": "app.reading",
    "pk": 130,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 13,
      "reading_at": "2026-04-14T14:00:00Z",
      "diurnal_swing_c": "5.60",
      "free_run_c": "28.10",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.60",
      "humidity_pct": "57.4",
      "co2_ppm": "395"
    }
  },
  {
    "model": "app.reading",
    "pk": 131,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 7,
      "reading_at": "2026-04-15T11:00:00Z",
      "diurnal_swing_c": "3.90",
      "free_run_c": "23.90",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "21.38",
      "humidity_pct": "64.0",
      "co2_ppm": "469"
    }
  },
  {
    "model": "app.reading",
    "pk": 132,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 11,
      "reading_at": "2026-04-16T13:00:00Z",
      "diurnal_swing_c": "5.21",
      "free_run_c": "29.21",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.71",
      "humidity_pct": "56.0",
      "co2_ppm": "414"
    }
  },
  {
    "model": "app.reading",
    "pk": 133,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 8,
      "reading_at": "2026-04-14T11:30:00Z",
      "diurnal_swing_c": "4.64",
      "free_run_c": "28.64",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "27.24",
      "humidity_pct": "59.5",
      "co2_ppm": "456"
    }
  },
  {
    "model": "app.reading",
    "pk": 134,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 9,
      "reading_at": "2026-04-15T12:00:00Z",
      "diurnal_swing_c": "4.72",
      "free_run_c": "23.72",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "20.72",
      "humidity_pct": "59.3",
      "co2_ppm": "428"
    }
  },
  {
    "model": "app.reading",
    "pk": 135,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 5,
      "reading_at": "2026-04-15T10:00:00Z",
      "diurnal_swing_c": "2.73",
      "free_run_c": "21.73",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "20.48",
      "humidity_pct": "66.5",
      "co2_ppm": "520"
    }
  },
  {
    "model": "app.reading",
    "pk": 136,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 8,
      "reading_at": "2026-04-16T11:30:00Z",
      "diurnal_swing_c": "4.00",
      "free_run_c": "27.50",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "24.50",
      "humidity_pct": "58.4",
      "co2_ppm": "465"
    }
  },
  {
    "model": "app.reading",
    "pk": 137,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 5,
      "reading_at": "2026-04-16T10:00:00Z",
      "diurnal_swing_c": "2.10",
      "free_run_c": "26.60",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "25.34",
      "humidity_pct": "62.8",
      "co2_ppm": "505"
    }
  },
  {
    "model": "app.reading",
    "pk": 138,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 16,
      "reading_at": "2026-04-14T15:30:00Z",
      "diurnal_swing_c": "4.77",
      "free_run_c": "26.77",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "23.77",
      "humidity_pct": "56.9",
      "co2_ppm": "421"
    }
  },
  {
    "model": "app.reading",
    "pk": 139,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 6,
      "reading_at": "2026-04-16T10:30:00Z",
      "diurnal_swing_c": "3.69",
      "free_run_c": "26.19",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "25.31",
      "humidity_pct": "64.9",
      "co2_ppm": "521"
    }
  },
  {
    "model": "app.reading",
    "pk": 140,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 14,
      "reading_at": "2026-04-14T14:30:00Z",
      "diurnal_swing_c": "5.38",
      "free_run_c": "27.88",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.38",
      "humidity_pct": "55.7",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 141,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 9,
      "reading_at": "2026-04-14T12:00:00Z",
      "diurnal_swing_c": "4.95",
      "free_run_c": "28.95",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "27.55",
      "humidity_pct": "60.2",
      "co2_ppm": "424"
    }
  },
  {
    "model": "app.reading",
    "pk": 142,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 12,
      "reading_at": "2026-04-16T13:30:00Z",
      "diurnal_swing_c": "5.49",
      "free_run_c": "29.49",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.99",
      "humidity_pct": "59.7",
      "co2_ppm": "412"
    }
  },
  {
    "model": "app.reading",
    "pk": 143,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 6,
      "reading_at": "2026-04-16T10:30:00Z",
      "diurnal_swing_c": "3.64",
      "free_run_c": "28.14",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "26.88",
      "humidity_pct": "59.0",
      "co2_ppm": "505"
    }
  },
  {
    "model": "app.reading",
    "pk": 144,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 6,
      "reading_at": "2026-04-15T10:30:00Z",
      "diurnal_swing_c": "3.76",
      "free_run_c": "22.76",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "21.51",
      "humidity_pct": "62.4",
      "co2_ppm": "508"
    }
  },
  {
    "model": "app.reading",
    "pk": 145,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 7,
      "reading_at": "2026-04-16T11:00:00Z",
      "diurnal_swing_c": "3.93",
      "free_run_c": "26.43",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "24.67",
      "humidity_pct": "66.8",
      "co2_ppm": "503"
    }
  },
  {
    "model": "app.reading",
    "pk": 146,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 5,
      "reading_at": "2026-04-16T10:00:00Z",
      "diurnal_swing_c": "2.32",
      "free_run_c": "27.82",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "27.12",
      "humidity_pct": "66.7",
      "co2_ppm": "508"
    }
  },
  {
    "model": "app.reading",
    "pk": 147,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 5,
      "reading_at": "2026-04-15T10:00:00Z",
      "diurnal_swing_c": "2.54",
      "free_run_c": "23.54",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "22.84",
      "humidity_pct": "63.9",
      "co2_ppm": "479"
    }
  },
  {
    "model": "app.reading",
    "pk": 148,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 9,
      "reading_at": "2026-04-14T12:00:00Z",
      "diurnal_swing_c": "5.24",
      "free_run_c": "27.24",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.74",
      "humidity_pct": null,
      "co2_ppm": "467"
    }
  },
  {
    "model": "app.reading",
    "pk": 149,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 8,
      "reading_at": "2026-04-15T11:30:00Z",
      "diurnal_swing_c": "4.76",
      "free_run_c": "24.76",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "22.24",
      "humidity_pct": "61.9",
      "co2_ppm": "467"
    }
  },
  {
    "model": "app.reading",
    "pk": 150,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 9,
      "reading_at": "2026-04-15T12:00:00Z",
      "diurnal_swing_c": "4.58",
      "free_run_c": "24.58",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "22.06",
      "humidity_pct": "59.2",
      "co2_ppm": "462"
    }
  },
  {
    "model": "app.reading",
    "pk": 151,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 7,
      "reading_at": "2026-04-14T11:00:00Z",
      "diurnal_swing_c": "3.90",
      "free_run_c": "24.90",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "23.14",
      "humidity_pct": "65.7",
      "co2_ppm": "456"
    }
  },
  {
    "model": "app.reading",
    "pk": 152,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 5,
      "reading_at": "2026-04-15T10:00:00Z",
      "diurnal_swing_c": "2.82",
      "free_run_c": "20.82",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "19.94",
      "humidity_pct": "67.7",
      "co2_ppm": "537"
    }
  },
  {
    "model": "app.reading",
    "pk": 153,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 9,
      "reading_at": "2026-04-16T12:00:00Z",
      "diurnal_swing_c": "4.82",
      "free_run_c": "28.32",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "25.32",
      "humidity_pct": "60.7",
      "co2_ppm": "490"
    }
  },
  {
    "model": "app.reading",
    "pk": 154,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 9,
      "reading_at": "2026-04-16T12:00:00Z",
      "diurnal_swing_c": "4.57",
      "free_run_c": "28.07",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.57",
      "humidity_pct": "60.7",
      "co2_ppm": "443"
    }
  },
  {
    "model": "app.reading",
    "pk": 155,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 6,
      "reading_at": "2026-04-16T10:30:00Z",
      "diurnal_swing_c": "3.67",
      "free_run_c": "29.17",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "28.47",
      "humidity_pct": "59.9",
      "co2_ppm": "498"
    }
  },
  {
    "model": "app.reading",
    "pk": 156,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 9,
      "reading_at": "2026-04-15T12:00:00Z",
      "diurnal_swing_c": "4.39",
      "free_run_c": "23.89",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.39",
      "humidity_pct": "57.3",
      "co2_ppm": "430"
    }
  },
  {
    "model": "app.reading",
    "pk": 157,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 6,
      "reading_at": "2026-04-15T10:30:00Z",
      "diurnal_swing_c": "2.99",
      "free_run_c": "23.99",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "23.29",
      "humidity_pct": "64.3",
      "co2_ppm": "481"
    }
  },
  {
    "model": "app.reading",
    "pk": 158,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 7,
      "reading_at": "2026-04-15T11:00:00Z",
      "diurnal_swing_c": "3.44",
      "free_run_c": "22.44",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "19.94",
      "humidity_pct": "59.3",
      "co2_ppm": "469"
    }
  },
  {
    "model": "app.reading",
    "pk": 159,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 17,
      "reading_at": "2026-04-14T16:00:00Z",
      "diurnal_swing_c": "4.55",
      "free_run_c": "26.55",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "25.05",
      "humidity_pct": "63.5",
      "co2_ppm": "478"
    }
  },
  {
    "model": "app.reading",
    "pk": 160,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 15,
      "reading_at": "2026-04-14T15:00:00Z",
      "diurnal_swing_c": "5.36",
      "free_run_c": "27.86",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.36",
      "humidity_pct": "55.2",
      "co2_ppm": "451"
    }
  },
  {
    "model": "app.reading",
    "pk": 161,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 13,
      "reading_at": "2026-04-16T14:00:00Z",
      "diurnal_swing_c": "5.77",
      "free_run_c": "29.77",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "27.27",
      "humidity_pct": "57.1",
      "co2_ppm": "420"
    }
  },
  {
    "model": "app.reading",
    "pk": 162,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 10,
      "reading_at": "2026-04-14T12:30:00Z",
      "diurnal_swing_c": "5.61",
      "free_run_c": "29.61",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "28.21",
      "humidity_pct": "60.2",
      "co2_ppm": "428"
    }
  },
  {
    "model": "app.reading",
    "pk": 163,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 14,
      "reading_at": "2026-04-16T14:30:00Z",
      "diurnal_swing_c": "5.07",
      "free_run_c": "29.07",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.57",
      "humidity_pct": "56.5",
      "co2_ppm": "389"
    }
  },
  {
    "model": "app.reading",
    "pk": 164,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 10,
      "reading_at": "2026-04-16T12:30:00Z",
      "diurnal_swing_c": "4.70",
      "free_run_c": "28.20",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.70",
      "humidity_pct": "58.4",
      "co2_ppm": "421"
    }
  },
  {
    "model": "app.reading",
    "pk": 165,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 8,
      "reading_at": "2026-04-14T11:30:00Z",
      "diurnal_swing_c": "4.06",
      "free_run_c": "25.06",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "23.30",
      "humidity_pct": "60.7",
      "co2_ppm": "443"
    }
  },
  {
    "model": "app.reading",
    "pk": 166,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 9,
      "reading_at": "2026-04-14T12:00:00Z",
      "diurnal_swing_c": "5.07",
      "free_run_c": "26.07",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "24.31",
      "humidity_pct": "59.9",
      "co2_ppm": "411"
    }
  },
  {
    "model": "app.reading",
    "pk": 167,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 7,
      "reading_at": "2026-04-15T11:00:00Z",
      "diurnal_swing_c": "4.16",
      "free_run_c": "25.16",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "23.76",
      "humidity_pct": "71.2",
      "co2_ppm": "514"
    }
  },
  {
    "model": "app.reading",
    "pk": 168,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 10,
      "reading_at": "2026-04-15T12:30:00Z",
      "diurnal_swing_c": "4.41",
      "free_run_c": "23.41",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "20.41",
      "humidity_pct": "55.0",
      "co2_ppm": "444"
    }
  },
  {
    "model": "app.reading",
    "pk": 169,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 8,
      "reading_at": "2026-04-15T11:30:00Z",
      "diurnal_swing_c": "4.37",
      "free_run_c": "25.37",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "23.97",
      "humidity_pct": "64.4",
      "co2_ppm": "492"
    }
  },
  {
    "model": "app.reading",
    "pk": 170,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 18,
      "reading_at": "2026-04-14T16:30:00Z",
      "diurnal_swing_c": "4.19",
      "free_run_c": "26.19",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "24.69",
      "humidity_pct": "60.4",
      "co2_ppm": "450"
    }
  },
  {
    "model": "app.reading",
    "pk": 171,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 10,
      "reading_at": "2026-04-15T12:30:00Z",
      "diurnal_swing_c": "5.21",
      "free_run_c": "25.21",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "22.69",
      "humidity_pct": "58.1",
      "co2_ppm": "427"
    }
  },
  {
    "model": "app.reading",
    "pk": 172,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 10,
      "reading_at": "2026-04-14T12:30:00Z",
      "diurnal_swing_c": "4.74",
      "free_run_c": "25.74",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "23.98",
      "humidity_pct": "58.2",
      "co2_ppm": "420"
    }
  },
  {
    "model": "app.reading",
    "pk": 173,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 16,
      "reading_at": "2026-04-14T15:30:00Z",
      "diurnal_swing_c": "5.34",
      "free_run_c": "27.84",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.34",
      "humidity_pct": "63.3",
      "co2_ppm": "429"
    }
  },
  {
    "model": "app.reading",
    "pk": 174,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 17,
      "reading_at": "2026-04-14T16:00:00Z",
      "diurnal_swing_c": "5.02",
      "free_run_c": "27.52",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "26.27",
      "humidity_pct": "61.6",
      "co2_ppm": "432"
    }
  },
  {
    "model": "app.reading",
    "pk": 175,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 7,
      "reading_at": "2026-04-16T11:00:00Z",
      "diurnal_swing_c": "3.75",
      "free_run_c": "28.25",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "25.73",
      "humidity_pct": "61.3",
      "co2_ppm": "475"
    }
  },
  {
    "model": "app.reading",
    "pk": 176,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 8,
      "reading_at": "2026-04-15T11:30:00Z",
      "diurnal_swing_c": "4.50",
      "free_run_c": "23.50",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.00",
      "humidity_pct": "58.5",
      "co2_ppm": "458"
    }
  },
  {
    "model": "app.reading",
    "pk": 177,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 8,
      "reading_at": "2026-04-16T11:30:00Z",
      "diurnal_swing_c": "3.61",
      "free_run_c": "28.11",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "25.59",
      "humidity_pct": "61.8",
      "co2_ppm": "459"
    }
  },
  {
    "model": "app.reading",
    "pk": 178,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 10,
      "reading_at": "2026-04-15T12:30:00Z",
      "diurnal_swing_c": "5.21",
      "free_run_c": "24.71",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "22.21",
      "humidity_pct": "58.1",
      "co2_ppm": "411"
    }
  },
  {
    "model": "app.reading",
    "pk": 179,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 10,
      "reading_at": "2026-04-14T12:30:00Z",
      "diurnal_swing_c": "5.16",
      "free_run_c": "28.16",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "25.64",
      "humidity_pct": "59.6",
      "co2_ppm": "401"
    }
  },
  {
    "model": "app.reading",
    "pk": 180,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 9,
      "reading_at": "2026-04-16T12:00:00Z",
      "diurnal_swing_c": "5.24",
      "free_run_c": "29.74",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "27.22",
      "humidity_pct": "60.6",
      "co2_ppm": "431"
    }
  },
  {
    "model": "app.reading",
    "pk": 181,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 9,
      "reading_at": "2026-04-15T12:00:00Z",
      "diurnal_swing_c": "4.79",
      "free_run_c": "25.79",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "24.39",
      "humidity_pct": "55.1",
      "co2_ppm": "412"
    }
  },
  {
    "model": "app.reading",
    "pk": 182,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 11,
      "reading_at": "2026-04-16T13:00:00Z",
      "diurnal_swing_c": "5.36",
      "free_run_c": "28.86",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.36",
      "humidity_pct": "58.2",
      "co2_ppm": "424"
    }
  },
  {
    "model": "app.reading",
    "pk": 183,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 7,
      "reading_at": "2026-04-16T11:00:00Z",
      "diurnal_swing_c": "4.14",
      "free_run_c": "29.64",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "28.24",
      "humidity_pct": "64.7",
      "co2_ppm": "475"
    }
  },
  {
    "model": "app.reading",
    "pk": 184,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 11,
      "reading_at": "2026-04-15T13:00:00Z",
      "diurnal_swing_c": "5.05",
      "free_run_c": "24.05",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "21.05",
      "humidity_pct": "59.3",
      "co2_ppm": "420"
    }
  },
  {
    "model": "app.reading",
    "pk": 185,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 11,
      "reading_at": "2026-04-14T13:00:00Z",
      "diurnal_swing_c": "5.97",
      "free_run_c": "29.97",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "28.57",
      "humidity_pct": "56.9",
      "co2_ppm": "424"
    }
  },
  {
    "model": "app.reading",
    "pk": 186,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 12,
      "reading_at": "2026-04-14T13:30:00Z",
      "diurnal_swing_c": "5.34",
      "free_run_c": "29.34",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "27.94",
      "humidity_pct": "58.2",
      "co2_ppm": "433"
    }
  },
  {
    "model": "app.reading",
    "pk": 187,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 11,
      "reading_at": "2026-04-15T13:00:00Z",
      "diurnal_swing_c": "5.45",
      "free_run_c": "24.95",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "22.45",
      "humidity_pct": "55.8",
      "co2_ppm": "428"
    }
  },
  {
    "model": "app.reading",
    "pk": 188,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 12,
      "reading_at": "2026-04-16T13:30:00Z",
      "diurnal_swing_c": "5.37",
      "free_run_c": "28.87",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.37",
      "humidity_pct": "55.6",
      "co2_ppm": "463"
    }
  },
  {
    "model": "app.reading",
    "pk": 189,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 12,
      "reading_at": "2026-04-15T13:30:00Z",
      "diurnal_swing_c": "5.41",
      "free_run_c": "24.41",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "21.41",
      "humidity_pct": "60.6",
      "co2_ppm": "448"
    }
  },
  {
    "model": "app.reading",
    "pk": 190,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 10,
      "reading_at": "2026-04-16T12:30:00Z",
      "diurnal_swing_c": "5.11",
      "free_run_c": "28.61",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "25.61",
      "humidity_pct": "63.0",
      "co2_ppm": "412"
    }
  },
  {
    "model": "app.reading",
    "pk": 191,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 10,
      "reading_at": "2026-04-14T12:30:00Z",
      "diurnal_swing_c": "5.42",
      "free_run_c": "27.42",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.92",
      "humidity_pct": "60.1",
      "co2_ppm": "440"
    }
  },
  {
    "model": "app.reading",
    "pk": 192,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 13,
      "reading_at": "2026-04-16T14:00:00Z",
      "diurnal_swing_c": "5.56",
      "free_run_c": "29.06",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.56",
      "humidity_pct": "57.2",
      "co2_ppm": "432"
    }
  },
  {
    "model": "app.reading",
    "pk": 193,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 12,
      "reading_at": "2026-04-15T13:30:00Z",
      "diurnal_swing_c": "5.58",
      "free_run_c": "25.08",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "22.58",
      "humidity_pct": "58.6",
      "co2_ppm": "396"
    }
  },
  {
    "model": "app.reading",
    "pk": 194,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 6,
      "reading_at": "2026-04-15T10:30:00Z",
      "diurnal_swing_c": "3.30",
      "free_run_c": "21.30",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "20.42",
      "humidity_pct": "61.3",
      "co2_ppm": "472"
    }
  },
  {
    "model": "app.reading",
    "pk": 195,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 15,
      "reading_at": "2026-04-16T15:00:00Z",
      "diurnal_swing_c": "5.39",
      "free_run_c": "29.39",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.89",
      "humidity_pct": "58.7",
      "co2_ppm": "435"
    }
  },
  {
    "model": "app.reading",
    "pk": 196,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 19,
      "reading_at": "2026-04-14T17:00:00Z",
      "diurnal_swing_c": "4.12",
      "free_run_c": "26.12",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "25.37",
      "humidity_pct": "62.4",
      "co2_ppm": "447"
    }
  },
  {
    "model": "app.reading",
    "pk": 197,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 10,
      "reading_at": "2026-04-15T12:30:00Z",
      "diurnal_swing_c": "5.20",
      "free_run_c": "26.20",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "24.80",
      "humidity_pct": "60.3",
      "co2_ppm": "421"
    }
  },
  {
    "model": "app.reading",
    "pk": 198,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 8,
      "reading_at": "2026-04-16T11:30:00Z",
      "diurnal_swing_c": "4.95",
      "free_run_c": "30.45",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "29.05",
      "humidity_pct": "65.0",
      "co2_ppm": "451"
    }
  },
  {
    "model": "app.reading",
    "pk": 199,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 8,
      "reading_at": "2026-04-16T11:30:00Z",
      "diurnal_swing_c": "4.36",
      "free_run_c": "26.86",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "25.10",
      "humidity_pct": "58.7",
      "co2_ppm": "494"
    }
  },
  {
    "model": "app.reading",
    "pk": 200,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 9,
      "reading_at": "2026-04-16T12:00:00Z",
      "diurnal_swing_c": "5.26",
      "free_run_c": "30.76",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "29.36",
      "humidity_pct": "58.4",
      "co2_ppm": "452"
    }
  },
  {
    "model": "app.reading",
    "pk": 201,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 7,
      "reading_at": "2026-04-15T11:00:00Z",
      "diurnal_swing_c": "4.11",
      "free_run_c": "22.11",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "20.35",
      "humidity_pct": "63.8",
      "co2_ppm": "500"
    }
  },
  {
    "model": "app.reading",
    "pk": 202,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 11,
      "reading_at": "2026-04-14T13:00:00Z",
      "diurnal_swing_c": "5.22",
      "free_run_c": "27.22",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.72",
      "humidity_pct": "55.5",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 203,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 11,
      "reading_at": "2026-04-15T13:00:00Z",
      "diurnal_swing_c": "5.37",
      "free_run_c": "26.37",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "24.97",
      "humidity_pct": "58.3",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 204,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 13,
      "reading_at": "2026-04-15T14:00:00Z",
      "diurnal_swing_c": "5.51",
      "free_run_c": "24.51",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "21.51",
      "humidity_pct": "59.7",
      "co2_ppm": "410"
    }
  },
  {
    "model": "app.reading",
    "pk": 205,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 18,
      "reading_at": "2026-04-14T16:30:00Z",
      "diurnal_swing_c": "4.55",
      "free_run_c": "27.05",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "25.80",
      "humidity_pct": "67.6",
      "co2_ppm": "443"
    }
  },
  {
    "model": "app.reading",
    "pk": 206,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 14,
      "reading_at": "2026-04-15T14:30:00Z",
      "diurnal_swing_c": "5.28",
      "free_run_c": "24.28",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "21.28",
      "humidity_pct": "58.1",
      "co2_ppm": "415"
    }
  },
  {
    "model": "app.reading",
    "pk": 207,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 15,
      "reading_at": "2026-04-15T15:00:00Z",
      "diurnal_swing_c": "5.15",
      "free_run_c": "24.15",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "21.15",
      "humidity_pct": "58.3",
      "co2_ppm": "448"
    }
  },
  {
    "model": "app.reading",
    "pk": 208,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 11,
      "reading_at": "2026-04-14T13:00:00Z",
      "diurnal_swing_c": "5.27",
      "free_run_c": "26.27",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "24.51",
      "humidity_pct": "61.6",
      "co2_ppm": "424"
    }
  },
  {
    "model": "app.reading",
    "pk": 209,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 11,
      "reading_at": "2026-04-14T13:00:00Z",
      "diurnal_swing_c": "5.10",
      "free_run_c": "28.10",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "25.58",
      "humidity_pct": "59.3",
      "co2_ppm": "462"
    }
  },
  {
    "model": "app.reading",
    "pk": 210,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 12,
      "reading_at": "2026-04-14T13:30:00Z",
      "diurnal_swing_c": "5.07",
      "free_run_c": "28.07",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "25.55",
      "humidity_pct": "59.1",
      "co2_ppm": "409"
    }
  },
  {
    "model": "app.reading",
    "pk": 211,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 9,
      "reading_at": "2026-04-15T12:00:00Z",
      "diurnal_swing_c": "4.49",
      "free_run_c": "23.49",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "20.99",
      "humidity_pct": "64.8",
      "co2_ppm": "443"
    }
  },
  {
    "model": "app.reading",
    "pk": 212,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 13,
      "reading_at": "2026-04-15T14:00:00Z",
      "diurnal_swing_c": "5.26",
      "free_run_c": "24.76",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "22.26",
      "humidity_pct": "59.9",
      "co2_ppm": "459"
    }
  },
  {
    "model": "app.reading",
    "pk": 213,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 14,
      "reading_at": "2026-04-16T14:30:00Z",
      "diurnal_swing_c": "5.90",
      "free_run_c": "29.40",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.90",
      "humidity_pct": "59.9",
      "co2_ppm": "419"
    }
  },
  {
    "model": "app.reading",
    "pk": 214,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 11,
      "reading_at": "2026-04-16T13:00:00Z",
      "diurnal_swing_c": "5.40",
      "free_run_c": "28.90",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "25.90",
      "humidity_pct": "55.6",
      "co2_ppm": "424"
    }
  },
  {
    "model": "app.reading",
    "pk": 215,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 16,
      "reading_at": "2026-04-15T15:30:00Z",
      "diurnal_swing_c": "5.20",
      "free_run_c": "24.20",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "21.20",
      "humidity_pct": "56.9",
      "co2_ppm": "453"
    }
  },
  {
    "model": "app.reading",
    "pk": 216,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 12,
      "reading_at": "2026-04-15T13:30:00Z",
      "diurnal_swing_c": "4.97",
      "free_run_c": "25.97",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "24.57",
      "humidity_pct": "56.9",
      "co2_ppm": "398"
    }
  },
  {
    "model": "app.reading",
    "pk": 217,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 14,
      "reading_at": "2026-04-15T14:30:00Z",
      "diurnal_swing_c": "5.57",
      "free_run_c": "25.07",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "22.57",
      "humidity_pct": null,
      "co2_ppm": "394"
    }
  },
  {
    "model": "app.reading",
    "pk": 218,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 17,
      "reading_at": "2026-04-15T16:00:00Z",
      "diurnal_swing_c": "4.41",
      "free_run_c": "23.41",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "21.91",
      "humidity_pct": "57.0",
      "co2_ppm": "444"
    }
  },
  {
    "model": "app.reading",
    "pk": 219,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 15,
      "reading_at": "2026-04-16T15:00:00Z",
      "diurnal_swing_c": "5.05",
      "free_run_c": "28.55",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.05",
      "humidity_pct": "56.8",
      "co2_ppm": "422"
    }
  },
  {
    "model": "app.reading",
    "pk": 220,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 16,
      "reading_at": "2026-04-16T15:30:00Z",
      "diurnal_swing_c": "5.03",
      "free_run_c": "28.53",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.03",
      "humidity_pct": "62.3",
      "co2_ppm": "437"
    }
  },
  {
    "model": "app.reading",
    "pk": 221,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 13,
      "reading_at": "2026-04-15T14:00:00Z",
      "diurnal_swing_c": "5.02",
      "free_run_c": "26.02",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "24.62",
      "humidity_pct": "59.5",
      "co2_ppm": "421"
    }
  },
  {
    "model": "app.reading",
    "pk": 222,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 19,
      "reading_at": "2026-04-14T17:00:00Z",
      "diurnal_swing_c": "3.93",
      "free_run_c": "26.43",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "25.80",
      "humidity_pct": "61.9",
      "co2_ppm": "500"
    }
  },
  {
    "model": "app.reading",
    "pk": 223,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 13,
      "reading_at": "2026-04-14T14:00:00Z",
      "diurnal_swing_c": "5.04",
      "free_run_c": "28.04",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "25.52",
      "humidity_pct": "57.6",
      "co2_ppm": "423"
    }
  },
  {
    "model": "app.reading",
    "pk": 224,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 10,
      "reading_at": "2026-04-16T12:30:00Z",
      "diurnal_swing_c": "5.21",
      "free_run_c": "30.71",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "29.31",
      "humidity_pct": "58.7",
      "co2_ppm": "454"
    }
  },
  {
    "model": "app.reading",
    "pk": 225,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 12,
      "reading_at": "2026-04-14T13:30:00Z",
      "diurnal_swing_c": "5.41",
      "free_run_c": "27.41",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.91",
      "humidity_pct": "60.8",
      "co2_ppm": "415"
    }
  },
  {
    "model": "app.reading",
    "pk": 226,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 20,
      "reading_at": "2026-04-14T17:30:00Z",
      "diurnal_swing_c": "3.79",
      "free_run_c": "26.29",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "25.66",
      "humidity_pct": "64.1",
      "co2_ppm": "459"
    }
  },
  {
    "model": "app.reading",
    "pk": 227,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 11,
      "reading_at": "2026-04-15T13:00:00Z",
      "diurnal_swing_c": "5.61",
      "free_run_c": "25.61",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "23.09",
      "humidity_pct": "62.3",
      "co2_ppm": "397"
    }
  },
  {
    "model": "app.reading",
    "pk": 228,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 10,
      "reading_at": "2026-04-15T12:30:00Z",
      "diurnal_swing_c": "4.98",
      "free_run_c": "23.98",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.48",
      "humidity_pct": "60.2",
      "co2_ppm": "431"
    }
  },
  {
    "model": "app.reading",
    "pk": 229,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 13,
      "reading_at": "2026-04-14T14:00:00Z",
      "diurnal_swing_c": "5.55",
      "free_run_c": "29.55",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "28.15",
      "humidity_pct": "57.8",
      "co2_ppm": "401"
    }
  },
  {
    "model": "app.reading",
    "pk": 230,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 14,
      "reading_at": "2026-04-15T14:30:00Z",
      "diurnal_swing_c": "5.73",
      "free_run_c": "26.73",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "25.33",
      "humidity_pct": "53.9",
      "co2_ppm": "416"
    }
  },
  {
    "model": "app.reading",
    "pk": 231,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 14,
      "reading_at": "2026-04-14T14:30:00Z",
      "diurnal_swing_c": "5.68",
      "free_run_c": "29.68",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "28.28",
      "humidity_pct": "59.9",
      "co2_ppm": "450"
    }
  },
  {
    "model": "app.reading",
    "pk": 232,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 15,
      "reading_at": "2026-04-15T15:00:00Z",
      "diurnal_swing_c": "4.91",
      "free_run_c": "24.41",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.91",
      "humidity_pct": "57.9",
      "co2_ppm": "453"
    }
  },
  {
    "model": "app.reading",
    "pk": 233,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 12,
      "reading_at": "2026-04-15T13:30:00Z",
      "diurnal_swing_c": "5.67",
      "free_run_c": "25.67",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "23.15",
      "humidity_pct": "61.5",
      "co2_ppm": "425"
    }
  },
  {
    "model": "app.reading",
    "pk": 234,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 17,
      "reading_at": "2026-04-16T16:00:00Z",
      "diurnal_swing_c": "4.80",
      "free_run_c": "28.30",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "27.05",
      "humidity_pct": "58.4",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 235,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 18,
      "reading_at": "2026-04-15T16:30:00Z",
      "diurnal_swing_c": "4.32",
      "free_run_c": "23.32",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "21.82",
      "humidity_pct": "62.0",
      "co2_ppm": "474"
    }
  },
  {
    "model": "app.reading",
    "pk": 236,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 9,
      "reading_at": "2026-04-16T12:00:00Z",
      "diurnal_swing_c": "4.58",
      "free_run_c": "27.08",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "25.32",
      "humidity_pct": "59.3",
      "co2_ppm": "450"
    }
  },
  {
    "model": "app.reading",
    "pk": 237,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 13,
      "reading_at": "2026-04-15T14:00:00Z",
      "diurnal_swing_c": "4.84",
      "free_run_c": "24.84",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "22.32",
      "humidity_pct": "54.9",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 238,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 12,
      "reading_at": "2026-04-14T13:30:00Z",
      "diurnal_swing_c": "5.30",
      "free_run_c": "26.30",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "24.54",
      "humidity_pct": "58.4",
      "co2_ppm": "423"
    }
  },
  {
    "model": "app.reading",
    "pk": 239,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 16,
      "reading_at": "2026-04-16T15:30:00Z",
      "diurnal_swing_c": "4.83",
      "free_run_c": "28.83",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "26.33",
      "humidity_pct": "56.8",
      "co2_ppm": "404"
    }
  },
  {
    "model": "app.reading",
    "pk": 240,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 17,
      "reading_at": "2026-04-16T16:00:00Z",
      "diurnal_swing_c": "4.56",
      "free_run_c": "28.56",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "27.31",
      "humidity_pct": "59.3",
      "co2_ppm": "476"
    }
  },
  {
    "model": "app.reading",
    "pk": 241,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 21,
      "reading_at": "2026-04-14T18:00:00Z",
      "diurnal_swing_c": "2.51",
      "free_run_c": "25.01",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.01",
      "humidity_pct": "67.0",
      "co2_ppm": "523"
    }
  },
  {
    "model": "app.reading",
    "pk": 242,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 16,
      "reading_at": "2026-04-15T15:30:00Z",
      "diurnal_swing_c": "4.83",
      "free_run_c": "24.33",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.83",
      "humidity_pct": "58.4",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 243,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 10,
      "reading_at": "2026-04-16T12:30:00Z",
      "diurnal_swing_c": "4.91",
      "free_run_c": "27.41",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "25.65",
      "humidity_pct": "59.3",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 244,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 13,
      "reading_at": "2026-04-14T14:00:00Z",
      "diurnal_swing_c": "5.23",
      "free_run_c": "27.23",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.73",
      "humidity_pct": "56.5",
      "co2_ppm": "418"
    }
  },
  {
    "model": "app.reading",
    "pk": 245,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 17,
      "reading_at": "2026-04-15T16:00:00Z",
      "diurnal_swing_c": "4.42",
      "free_run_c": "23.92",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "22.67",
      "humidity_pct": "61.9",
      "co2_ppm": "465"
    }
  },
  {
    "model": "app.reading",
    "pk": 246,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 15,
      "reading_at": "2026-04-14T15:00:00Z",
      "diurnal_swing_c": "5.26",
      "free_run_c": "29.26",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "27.86",
      "humidity_pct": "56.1",
      "co2_ppm": "409"
    }
  },
  {
    "model": "app.reading",
    "pk": 247,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 20,
      "reading_at": "2026-04-14T17:30:00Z",
      "diurnal_swing_c": "3.54",
      "free_run_c": "25.54",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "24.79",
      "humidity_pct": "64.7",
      "co2_ppm": "481"
    }
  },
  {
    "model": "app.reading",
    "pk": 248,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 11,
      "reading_at": "2026-04-16T13:00:00Z",
      "diurnal_swing_c": "4.72",
      "free_run_c": "30.22",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "28.82",
      "humidity_pct": "54.3",
      "co2_ppm": "414"
    }
  },
  {
    "model": "app.reading",
    "pk": 249,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 10,
      "reading_at": "2026-04-16T12:30:00Z",
      "diurnal_swing_c": "4.79",
      "free_run_c": "29.29",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "26.77",
      "humidity_pct": "59.5",
      "co2_ppm": "469"
    }
  },
  {
    "model": "app.reading",
    "pk": 250,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 15,
      "reading_at": "2026-04-15T15:00:00Z",
      "diurnal_swing_c": "5.32",
      "free_run_c": "26.32",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "24.92",
      "humidity_pct": "59.4",
      "co2_ppm": "424"
    }
  },
  {
    "model": "app.reading",
    "pk": 251,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 11,
      "reading_at": "2026-04-15T13:00:00Z",
      "diurnal_swing_c": "5.41",
      "free_run_c": "24.41",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.91",
      "humidity_pct": "56.0",
      "co2_ppm": "415"
    }
  },
  {
    "model": "app.reading",
    "pk": 252,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 22,
      "reading_at": "2026-04-14T18:30:00Z",
      "diurnal_swing_c": "2.21",
      "free_run_c": "24.71",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.71",
      "humidity_pct": "64.9",
      "co2_ppm": "490"
    }
  },
  {
    "model": "app.reading",
    "pk": 253,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 12,
      "reading_at": "2026-04-16T13:30:00Z",
      "diurnal_swing_c": "5.29",
      "free_run_c": "28.79",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "25.79",
      "humidity_pct": "57.8",
      "co2_ppm": "426"
    }
  },
  {
    "model": "app.reading",
    "pk": 254,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 12,
      "reading_at": "2026-04-16T13:30:00Z",
      "diurnal_swing_c": "4.98",
      "free_run_c": "30.48",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "29.08",
      "humidity_pct": "57.1",
      "co2_ppm": "431"
    }
  },
  {
    "model": "app.reading",
    "pk": 255,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 11,
      "reading_at": "2026-04-16T13:00:00Z",
      "diurnal_swing_c": "5.15",
      "free_run_c": "27.65",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "25.89",
      "humidity_pct": "61.2",
      "co2_ppm": "440"
    }
  },
  {
    "model": "app.reading",
    "pk": 256,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 11,
      "reading_at": "2026-04-16T13:00:00Z",
      "diurnal_swing_c": "5.06",
      "free_run_c": "29.56",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "27.04",
      "humidity_pct": "59.8",
      "co2_ppm": "415"
    }
  },
  {
    "model": "app.reading",
    "pk": 257,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 18,
      "reading_at": "2026-04-16T16:30:00Z",
      "diurnal_swing_c": "4.74",
      "free_run_c": "28.74",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "27.49",
      "humidity_pct": "61.8",
      "co2_ppm": "424"
    }
  },
  {
    "model": "app.reading",
    "pk": 258,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 21,
      "reading_at": "2026-04-14T18:00:00Z",
      "diurnal_swing_c": "2.36",
      "free_run_c": "24.36",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.36",
      "humidity_pct": "64.3",
      "co2_ppm": "518"
    }
  },
  {
    "model": "app.reading",
    "pk": 259,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 13,
      "reading_at": "2026-04-16T14:00:00Z",
      "diurnal_swing_c": "5.33",
      "free_run_c": "30.83",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "29.43",
      "humidity_pct": "53.8",
      "co2_ppm": "418"
    }
  },
  {
    "model": "app.reading",
    "pk": 260,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 19,
      "reading_at": "2026-04-15T17:00:00Z",
      "diurnal_swing_c": "4.16",
      "free_run_c": "23.16",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "22.41",
      "humidity_pct": "62.9",
      "co2_ppm": "458"
    }
  },
  {
    "model": "app.reading",
    "pk": 261,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 20,
      "reading_at": "2026-04-15T17:30:00Z",
      "diurnal_swing_c": "3.73",
      "free_run_c": "22.73",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "21.98",
      "humidity_pct": "63.1",
      "co2_ppm": "516"
    }
  },
  {
    "model": "app.reading",
    "pk": 262,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 12,
      "reading_at": "2026-04-15T13:30:00Z",
      "diurnal_swing_c": "5.02",
      "free_run_c": "24.02",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.52",
      "humidity_pct": "56.1",
      "co2_ppm": "423"
    }
  },
  {
    "model": "app.reading",
    "pk": 263,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 22,
      "reading_at": "2026-04-14T18:30:00Z",
      "diurnal_swing_c": "1.41",
      "free_run_c": "23.41",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.41",
      "humidity_pct": "68.5",
      "co2_ppm": "554"
    }
  },
  {
    "model": "app.reading",
    "pk": 264,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 13,
      "reading_at": "2026-04-15T14:00:00Z",
      "diurnal_swing_c": "5.83",
      "free_run_c": "24.83",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "22.33",
      "humidity_pct": "56.2",
      "co2_ppm": "430"
    }
  },
  {
    "model": "app.reading",
    "pk": 265,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 14,
      "reading_at": "2026-04-14T14:30:00Z",
      "diurnal_swing_c": "6.01",
      "free_run_c": "29.01",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "26.49",
      "humidity_pct": "53.4",
      "co2_ppm": "421"
    }
  },
  {
    "model": "app.reading",
    "pk": 266,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 14,
      "reading_at": "2026-04-15T14:30:00Z",
      "diurnal_swing_c": "5.80",
      "free_run_c": "24.80",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "22.30",
      "humidity_pct": "56.7",
      "co2_ppm": "436"
    }
  },
  {
    "model": "app.reading",
    "pk": 267,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 21,
      "reading_at": "2026-04-15T18:00:00Z",
      "diurnal_swing_c": "2.48",
      "free_run_c": "21.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.48",
      "humidity_pct": "66.8",
      "co2_ppm": "510"
    }
  },
  {
    "model": "app.reading",
    "pk": 268,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 14,
      "reading_at": "2026-04-16T14:30:00Z",
      "diurnal_swing_c": "5.46",
      "free_run_c": "30.96",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "29.56",
      "humidity_pct": "56.3",
      "co2_ppm": "433"
    }
  },
  {
    "model": "app.reading",
    "pk": 269,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 12,
      "reading_at": "2026-04-16T13:30:00Z",
      "diurnal_swing_c": "5.32",
      "free_run_c": "29.82",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "27.30",
      "humidity_pct": "58.3",
      "co2_ppm": "429"
    }
  },
  {
    "model": "app.reading",
    "pk": 270,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 15,
      "reading_at": "2026-04-14T15:00:00Z",
      "diurnal_swing_c": "5.52",
      "free_run_c": "28.52",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "26.00",
      "humidity_pct": "59.0",
      "co2_ppm": "446"
    }
  },
  {
    "model": "app.reading",
    "pk": 271,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 18,
      "reading_at": "2026-04-15T16:30:00Z",
      "diurnal_swing_c": "3.73",
      "free_run_c": "23.23",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "21.98",
      "humidity_pct": "62.6",
      "co2_ppm": "469"
    }
  },
  {
    "model": "app.reading",
    "pk": 272,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 23,
      "reading_at": "2026-04-14T19:00:00Z",
      "diurnal_swing_c": "1.37",
      "free_run_c": "23.87",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.87",
      "humidity_pct": "68.6",
      "co2_ppm": "548"
    }
  },
  {
    "model": "app.reading",
    "pk": 273,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 14,
      "reading_at": "2026-04-14T14:30:00Z",
      "diurnal_swing_c": "5.67",
      "free_run_c": "27.67",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "25.17",
      "humidity_pct": "57.5",
      "co2_ppm": "440"
    }
  },
  {
    "model": "app.reading",
    "pk": 274,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 15,
      "reading_at": "2026-04-15T15:00:00Z",
      "diurnal_swing_c": "5.38",
      "free_run_c": "24.38",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.88",
      "humidity_pct": "57.9",
      "co2_ppm": "423"
    }
  },
  {
    "model": "app.reading",
    "pk": 275,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 19,
      "reading_at": "2026-04-15T17:00:00Z",
      "diurnal_swing_c": "3.83",
      "free_run_c": "23.33",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "22.70",
      "humidity_pct": "59.5",
      "co2_ppm": "491"
    }
  },
  {
    "model": "app.reading",
    "pk": 276,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 14,
      "reading_at": "2026-04-15T14:30:00Z",
      "diurnal_swing_c": "5.65",
      "free_run_c": "25.65",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "23.13",
      "humidity_pct": "54.6",
      "co2_ppm": "387"
    }
  },
  {
    "model": "app.reading",
    "pk": 277,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 16,
      "reading_at": "2026-04-14T15:30:00Z",
      "diurnal_swing_c": "4.98",
      "free_run_c": "27.98",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "25.46",
      "humidity_pct": "56.8",
      "co2_ppm": "409"
    }
  },
  {
    "model": "app.reading",
    "pk": 278,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 19,
      "reading_at": "2026-04-16T17:00:00Z",
      "diurnal_swing_c": "3.39",
      "free_run_c": "27.39",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "26.76",
      "humidity_pct": "63.0",
      "co2_ppm": "469"
    }
  },
  {
    "model": "app.reading",
    "pk": 279,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 16,
      "reading_at": "2026-04-15T15:30:00Z",
      "diurnal_swing_c": "5.02",
      "free_run_c": "24.02",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "21.52",
      "humidity_pct": "57.6",
      "co2_ppm": "436"
    }
  },
  {
    "model": "app.reading",
    "pk": 280,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 12,
      "reading_at": "2026-04-16T13:30:00Z",
      "diurnal_swing_c": "5.79",
      "free_run_c": "28.29",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "26.53",
      "humidity_pct": "58.3",
      "co2_ppm": "404"
    }
  },
  {
    "model": "app.reading",
    "pk": 281,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 16,
      "reading_at": "2026-04-15T15:30:00Z",
      "diurnal_swing_c": "5.21",
      "free_run_c": "26.21",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "24.81",
      "humidity_pct": "59.7",
      "co2_ppm": "431"
    }
  },
  {
    "model": "app.reading",
    "pk": 282,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 17,
      "reading_at": "2026-04-14T16:00:00Z",
      "diurnal_swing_c": "4.51",
      "free_run_c": "27.51",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "26.25",
      "humidity_pct": "56.3",
      "co2_ppm": "431"
    }
  },
  {
    "model": "app.reading",
    "pk": 283,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 18,
      "reading_at": "2026-04-14T16:30:00Z",
      "diurnal_swing_c": "4.61",
      "free_run_c": "27.61",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "26.35",
      "humidity_pct": "59.5",
      "co2_ppm": "455"
    }
  },
  {
    "model": "app.reading",
    "pk": 284,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 18,
      "reading_at": "2026-04-16T16:30:00Z",
      "diurnal_swing_c": "4.46",
      "free_run_c": "27.96",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "26.71",
      "humidity_pct": "57.6",
      "co2_ppm": "474"
    }
  },
  {
    "model": "app.reading",
    "pk": 285,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 22,
      "reading_at": "2026-04-15T18:30:00Z",
      "diurnal_swing_c": "2.33",
      "free_run_c": "21.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.33",
      "humidity_pct": "66.9",
      "co2_ppm": "513"
    }
  },
  {
    "model": "app.reading",
    "pk": 286,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 13,
      "reading_at": "2026-04-14T14:00:00Z",
      "diurnal_swing_c": "5.77",
      "free_run_c": "26.77",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "25.01",
      "humidity_pct": "58.6",
      "co2_ppm": "438"
    }
  },
  {
    "model": "app.reading",
    "pk": 287,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 23,
      "reading_at": "2026-04-15T19:00:00Z",
      "diurnal_swing_c": "1.82",
      "free_run_c": "20.82",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.82",
      "humidity_pct": "69.4",
      "co2_ppm": "512"
    }
  },
  {
    "model": "app.reading",
    "pk": 288,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 13,
      "reading_at": "2026-04-16T14:00:00Z",
      "diurnal_swing_c": "5.38",
      "free_run_c": "29.88",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "27.36",
      "humidity_pct": "59.8",
      "co2_ppm": "422"
    }
  },
  {
    "model": "app.reading",
    "pk": 289,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 24,
      "reading_at": "2026-04-15T19:30:00Z",
      "diurnal_swing_c": "0.82",
      "free_run_c": "19.82",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.82",
      "humidity_pct": "71.4",
      "co2_ppm": "587"
    }
  },
  {
    "model": "app.reading",
    "pk": 290,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 14,
      "reading_at": "2026-04-14T14:30:00Z",
      "diurnal_swing_c": "5.52",
      "free_run_c": "26.52",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "24.76",
      "humidity_pct": "57.4",
      "co2_ppm": "450"
    }
  },
  {
    "model": "app.reading",
    "pk": 291,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 15,
      "reading_at": "2026-04-14T15:00:00Z",
      "diurnal_swing_c": "5.42",
      "free_run_c": "27.42",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.92",
      "humidity_pct": "58.6",
      "co2_ppm": "394"
    }
  },
  {
    "model": "app.reading",
    "pk": 292,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 8,
      "reading_at": "2026-04-15T11:30:00Z",
      "diurnal_swing_c": "4.21",
      "free_run_c": "22.21",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "20.45",
      "humidity_pct": "58.9",
      "co2_ppm": "460"
    }
  },
  {
    "model": "app.reading",
    "pk": 293,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 25,
      "reading_at": "2026-04-15T20:00:00Z",
      "diurnal_swing_c": "0.02",
      "free_run_c": "19.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.02",
      "humidity_pct": "71.8",
      "co2_ppm": "595"
    }
  },
  {
    "model": "app.reading",
    "pk": 294,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 20,
      "reading_at": "2026-04-16T17:30:00Z",
      "diurnal_swing_c": "3.73",
      "free_run_c": "27.73",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "27.10",
      "humidity_pct": "61.1",
      "co2_ppm": "486"
    }
  },
  {
    "model": "app.reading",
    "pk": 295,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 14,
      "reading_at": "2026-04-16T14:30:00Z",
      "diurnal_swing_c": "6.28",
      "free_run_c": "30.78",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "28.26",
      "humidity_pct": "63.8",
      "co2_ppm": "416"
    }
  },
  {
    "model": "app.reading",
    "pk": 296,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 9,
      "reading_at": "2026-04-15T12:00:00Z",
      "diurnal_swing_c": "5.02",
      "free_run_c": "23.02",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "21.26",
      "humidity_pct": "61.3",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 297,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 13,
      "reading_at": "2026-04-16T14:00:00Z",
      "diurnal_swing_c": "6.18",
      "free_run_c": "28.68",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "26.92",
      "humidity_pct": "60.0",
      "co2_ppm": "432"
    }
  },
  {
    "model": "app.reading",
    "pk": 298,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 10,
      "reading_at": "2026-04-15T12:30:00Z",
      "diurnal_swing_c": "5.18",
      "free_run_c": "23.18",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "21.42",
      "humidity_pct": "54.0",
      "co2_ppm": "421"
    }
  },
  {
    "model": "app.reading",
    "pk": 299,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 15,
      "reading_at": "2026-04-14T15:00:00Z",
      "diurnal_swing_c": "5.10",
      "free_run_c": "26.10",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "24.34",
      "humidity_pct": "61.3",
      "co2_ppm": "422"
    }
  },
  {
    "model": "app.reading",
    "pk": 300,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 16,
      "reading_at": "2026-04-14T15:30:00Z",
      "diurnal_swing_c": "4.75",
      "free_run_c": "28.75",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "27.35",
      "humidity_pct": "62.8",
      "co2_ppm": "435"
    }
  },
  {
    "model": "app.reading",
    "pk": 301,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 15,
      "reading_at": "2026-04-16T15:00:00Z",
      "diurnal_swing_c": "5.56",
      "free_run_c": "30.06",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "27.54",
      "humidity_pct": "61.4",
      "co2_ppm": "419"
    }
  },
  {
    "model": "app.reading",
    "pk": 302,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 16,
      "reading_at": "2026-04-14T15:30:00Z",
      "diurnal_swing_c": "4.93",
      "free_run_c": "25.93",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "24.17",
      "humidity_pct": "59.1",
      "co2_ppm": "415"
    }
  },
  {
    "model": "app.reading",
    "pk": 303,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 17,
      "reading_at": "2026-04-14T16:00:00Z",
      "diurnal_swing_c": "4.92",
      "free_run_c": "25.92",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "25.04",
      "humidity_pct": "58.5",
      "co2_ppm": "447"
    }
  },
  {
    "model": "app.reading",
    "pk": 304,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 20,
      "reading_at": "2026-04-15T17:30:00Z",
      "diurnal_swing_c": "3.60",
      "free_run_c": "23.10",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "22.47",
      "humidity_pct": "63.1",
      "co2_ppm": "492"
    }
  },
  {
    "model": "app.reading",
    "pk": 305,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 15,
      "reading_at": "2026-04-15T15:00:00Z",
      "diurnal_swing_c": "5.25",
      "free_run_c": "25.25",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "22.73",
      "humidity_pct": "59.6",
      "co2_ppm": "441"
    }
  },
  {
    "model": "app.reading",
    "pk": 306,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 13,
      "reading_at": "2026-04-16T14:00:00Z",
      "diurnal_swing_c": "5.15",
      "free_run_c": "28.65",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "25.65",
      "humidity_pct": "58.2",
      "co2_ppm": "435"
    }
  },
  {
    "model": "app.reading",
    "pk": 307,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 14,
      "reading_at": "2026-04-16T14:30:00Z",
      "diurnal_swing_c": "5.48",
      "free_run_c": "27.98",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "26.22",
      "humidity_pct": "55.2",
      "co2_ppm": "369"
    }
  },
  {
    "model": "app.reading",
    "pk": 308,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 16,
      "reading_at": "2026-04-15T15:30:00Z",
      "diurnal_swing_c": "4.66",
      "free_run_c": "24.66",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "22.14",
      "humidity_pct": "56.7",
      "co2_ppm": "430"
    }
  },
  {
    "model": "app.reading",
    "pk": 309,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 21,
      "reading_at": "2026-04-15T18:00:00Z",
      "diurnal_swing_c": "2.80",
      "free_run_c": "22.30",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.30",
      "humidity_pct": "68.4",
      "co2_ppm": "502"
    }
  },
  {
    "model": "app.reading",
    "pk": 310,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 19,
      "reading_at": "2026-04-16T17:00:00Z",
      "diurnal_swing_c": "3.97",
      "free_run_c": "27.47",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "26.84",
      "humidity_pct": "66.6",
      "co2_ppm": "472"
    }
  },
  {
    "model": "app.reading",
    "pk": 311,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 14,
      "reading_at": "2026-04-16T14:30:00Z",
      "diurnal_swing_c": "5.68",
      "free_run_c": "29.18",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "26.18",
      "humidity_pct": "58.3",
      "co2_ppm": "395"
    }
  },
  {
    "model": "app.reading",
    "pk": 312,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 17,
      "reading_at": "2026-04-15T16:00:00Z",
      "diurnal_swing_c": "4.89",
      "free_run_c": "23.89",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "22.64",
      "humidity_pct": "62.3",
      "co2_ppm": "412"
    }
  },
  {
    "model": "app.reading",
    "pk": 313,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 15,
      "reading_at": "2026-04-16T15:00:00Z",
      "diurnal_swing_c": "5.21",
      "free_run_c": "28.71",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "25.71",
      "humidity_pct": "63.6",
      "co2_ppm": "399"
    }
  },
  {
    "model": "app.reading",
    "pk": 314,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 16,
      "reading_at": "2026-04-16T15:30:00Z",
      "diurnal_swing_c": "5.31",
      "free_run_c": "28.81",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "3.00",
      "air_temp_c": "25.81",
      "humidity_pct": "58.5",
      "co2_ppm": "449"
    }
  },
  {
    "model": "app.reading",
    "pk": 315,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 18,
      "reading_at": "2026-04-15T16:30:00Z",
      "diurnal_swing_c": "4.20",
      "free_run_c": "23.20",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "21.95",
      "humidity_pct": "61.0",
      "co2_ppm": "467"
    }
  },
  {
    "model": "app.reading",
    "pk": 316,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 19,
      "reading_at": "2026-04-15T17:00:00Z",
      "diurnal_swing_c": "3.56",
      "free_run_c": "22.56",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "21.93",
      "humidity_pct": "62.4",
      "co2_ppm": "493"
    }
  },
  {
    "model": "app.reading",
    "pk": 317,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 20,
      "reading_at": "2026-04-15T17:30:00Z",
      "diurnal_swing_c": "3.21",
      "free_run_c": "22.21",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "21.58",
      "humidity_pct": "63.8",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 318,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 21,
      "reading_at": "2026-04-16T18:00:00Z",
      "diurnal_swing_c": "2.80",
      "free_run_c": "26.80",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.80",
      "humidity_pct": "61.9",
      "co2_ppm": "513"
    }
  },
  {
    "model": "app.reading",
    "pk": 319,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 18,
      "reading_at": "2026-04-14T16:30:00Z",
      "diurnal_swing_c": "4.54",
      "free_run_c": "25.54",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "24.66",
      "humidity_pct": "63.8",
      "co2_ppm": "460"
    }
  },
  {
    "model": "app.reading",
    "pk": 320,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 11,
      "reading_at": "2026-04-15T13:00:00Z",
      "diurnal_swing_c": "5.04",
      "free_run_c": "23.04",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "21.28",
      "humidity_pct": "62.0",
      "co2_ppm": "470"
    }
  },
  {
    "model": "app.reading",
    "pk": 321,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 19,
      "reading_at": "2026-04-14T17:00:00Z",
      "diurnal_swing_c": "4.09",
      "free_run_c": "27.09",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "26.45",
      "humidity_pct": "61.9",
      "co2_ppm": "489"
    }
  },
  {
    "model": "app.reading",
    "pk": 322,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 26,
      "reading_at": "2026-04-15T20:30:00Z",
      "diurnal_swing_c": "-0.36",
      "free_run_c": "18.64",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.64",
      "humidity_pct": "73.8",
      "co2_ppm": "637"
    }
  },
  {
    "model": "app.reading",
    "pk": 323,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 27,
      "reading_at": "2026-04-15T21:00:00Z",
      "diurnal_swing_c": "-1.45",
      "free_run_c": "17.55",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.55",
      "humidity_pct": "76.9",
      "co2_ppm": "651"
    }
  },
  {
    "model": "app.reading",
    "pk": 324,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 24,
      "reading_at": "2026-04-14T19:30:00Z",
      "diurnal_swing_c": "0.25",
      "free_run_c": "22.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.75",
      "humidity_pct": "68.3",
      "co2_ppm": "602"
    }
  },
  {
    "model": "app.reading",
    "pk": 325,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 20,
      "reading_at": "2026-04-16T17:30:00Z",
      "diurnal_swing_c": "3.32",
      "free_run_c": "26.82",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "26.19",
      "humidity_pct": "65.6",
      "co2_ppm": "466"
    }
  },
  {
    "model": "app.reading",
    "pk": 326,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 22,
      "reading_at": "2026-04-15T18:30:00Z",
      "diurnal_swing_c": "1.71",
      "free_run_c": "21.21",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.21",
      "humidity_pct": "64.1",
      "co2_ppm": "522"
    }
  },
  {
    "model": "app.reading",
    "pk": 327,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 17,
      "reading_at": "2026-04-16T16:00:00Z",
      "diurnal_swing_c": "4.95",
      "free_run_c": "28.45",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "26.95",
      "humidity_pct": "62.0",
      "co2_ppm": "459"
    }
  },
  {
    "model": "app.reading",
    "pk": 328,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 21,
      "reading_at": "2026-04-15T18:00:00Z",
      "diurnal_swing_c": "2.42",
      "free_run_c": "21.42",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.42",
      "humidity_pct": "68.1",
      "co2_ppm": "478"
    }
  },
  {
    "model": "app.reading",
    "pk": 329,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 17,
      "reading_at": "2026-04-15T16:00:00Z",
      "diurnal_swing_c": "4.34",
      "free_run_c": "24.34",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "23.08",
      "humidity_pct": "62.7",
      "co2_ppm": "427"
    }
  },
  {
    "model": "app.reading",
    "pk": 330,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 18,
      "reading_at": "2026-04-15T16:30:00Z",
      "diurnal_swing_c": "4.37",
      "free_run_c": "24.37",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "23.11",
      "humidity_pct": "64.5",
      "co2_ppm": "454"
    }
  },
  {
    "model": "app.reading",
    "pk": 331,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 16,
      "reading_at": "2026-04-14T15:30:00Z",
      "diurnal_swing_c": "4.83",
      "free_run_c": "26.83",
      "vent_programme_share": "1.00",
      "vent_open_pct": "100",
      "vent_cooling_c": "2.50",
      "air_temp_c": "24.33",
      "humidity_pct": "60.1",
      "co2_ppm": "419"
    }
  },
  {
    "model": "app.reading",
    "pk": 332,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 23,
      "reading_at": "2026-04-15T19:00:00Z",
      "diurnal_swing_c": "0.96",
      "free_run_c": "20.46",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.46",
      "humidity_pct": "71.0",
      "co2_ppm": "569"
    }
  },
  {
    "model": "app.reading",
    "pk": 333,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 18,
      "reading_at": "2026-04-16T16:30:00Z",
      "diurnal_swing_c": "4.55",
      "free_run_c": "28.05",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.50",
      "air_temp_c": "26.55",
      "humidity_pct": "63.2",
      "co2_ppm": "460"
    }
  },
  {
    "model": "app.reading",
    "pk": 334,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 19,
      "reading_at": "2026-04-15T17:00:00Z",
      "diurnal_swing_c": "3.66",
      "free_run_c": "23.66",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "23.02",
      "humidity_pct": "62.6",
      "co2_ppm": "451"
    }
  },
  {
    "model": "app.reading",
    "pk": 335,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 16,
      "reading_at": "2026-04-16T15:30:00Z",
      "diurnal_swing_c": "5.45",
      "free_run_c": "29.95",
      "vent_programme_share": "1.00",
      "vent_open_pct": "90",
      "vent_cooling_c": "2.52",
      "air_temp_c": "27.43",
      "humidity_pct": "56.5",
      "co2_ppm": "451"
    }
  },
  {
    "model": "app.reading",
    "pk": 336,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 23,
      "reading_at": "2026-04-14T19:00:00Z",
      "diurnal_swing_c": "1.43",
      "free_run_c": "23.43",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.43",
      "humidity_pct": "63.8",
      "co2_ppm": "556"
    }
  },
  {
    "model": "app.reading",
    "pk": 337,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 24,
      "reading_at": "2026-04-15T19:30:00Z",
      "diurnal_swing_c": "0.51",
      "free_run_c": "20.01",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.01",
      "humidity_pct": "69.5",
      "co2_ppm": "574"
    }
  },
  {
    "model": "app.reading",
    "pk": 338,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 25,
      "reading_at": "2026-04-15T20:00:00Z",
      "diurnal_swing_c": "0.14",
      "free_run_c": "19.64",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.64",
      "humidity_pct": "73.9",
      "co2_ppm": "591"
    }
  },
  {
    "model": "app.reading",
    "pk": 339,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 22,
      "reading_at": "2026-04-15T18:30:00Z",
      "diurnal_swing_c": "1.88",
      "free_run_c": "20.88",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.88",
      "humidity_pct": "68.2",
      "co2_ppm": "524"
    }
  },
  {
    "model": "app.reading",
    "pk": 340,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 28,
      "reading_at": "2026-04-15T21:30:00Z",
      "diurnal_swing_c": "-1.60",
      "free_run_c": "17.40",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.40",
      "humidity_pct": "79.4",
      "co2_ppm": "682"
    }
  },
  {
    "model": "app.reading",
    "pk": 341,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 29,
      "reading_at": "2026-04-15T22:00:00Z",
      "diurnal_swing_c": "-2.77",
      "free_run_c": "16.23",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.23",
      "humidity_pct": "79.3",
      "co2_ppm": "696"
    }
  },
  {
    "model": "app.reading",
    "pk": 342,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 19,
      "reading_at": "2026-04-16T17:00:00Z",
      "diurnal_swing_c": "3.82",
      "free_run_c": "27.32",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "26.57",
      "humidity_pct": "61.1",
      "co2_ppm": "498"
    }
  },
  {
    "model": "app.reading",
    "pk": 343,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 15,
      "reading_at": "2026-04-16T15:00:00Z",
      "diurnal_swing_c": "5.32",
      "free_run_c": "30.82",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "29.42",
      "humidity_pct": "58.8",
      "co2_ppm": "416"
    }
  },
  {
    "model": "app.reading",
    "pk": 344,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 20,
      "reading_at": "2026-04-16T17:30:00Z",
      "diurnal_swing_c": "3.05",
      "free_run_c": "26.55",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.75",
      "air_temp_c": "25.80",
      "humidity_pct": "61.9",
      "co2_ppm": "499"
    }
  },
  {
    "model": "app.reading",
    "pk": 345,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 25,
      "reading_at": "2026-04-14T20:00:00Z",
      "diurnal_swing_c": "0.59",
      "free_run_c": "23.09",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.09",
      "humidity_pct": "75.0",
      "co2_ppm": "572"
    }
  },
  {
    "model": "app.reading",
    "pk": 346,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 26,
      "reading_at": "2026-04-15T20:30:00Z",
      "diurnal_swing_c": "-0.57",
      "free_run_c": "18.93",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.93",
      "humidity_pct": "76.4",
      "co2_ppm": "620"
    }
  },
  {
    "model": "app.reading",
    "pk": 347,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 30,
      "reading_at": "2026-04-15T22:30:00Z",
      "diurnal_swing_c": "-3.62",
      "free_run_c": "15.38",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.38",
      "humidity_pct": "81.0",
      "co2_ppm": "703"
    }
  },
  {
    "model": "app.reading",
    "pk": 348,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 16,
      "reading_at": "2026-04-16T15:30:00Z",
      "diurnal_swing_c": "5.12",
      "free_run_c": "30.62",
      "vent_programme_share": "1.00",
      "vent_open_pct": "70",
      "vent_cooling_c": "1.40",
      "air_temp_c": "29.22",
      "humidity_pct": "56.3",
      "co2_ppm": "457"
    }
  },
  {
    "model": "app.reading",
    "pk": 349,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 21,
      "reading_at": "2026-04-16T18:00:00Z",
      "diurnal_swing_c": "2.34",
      "free_run_c": "25.84",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.84",
      "humidity_pct": "67.8",
      "co2_ppm": "510"
    }
  },
  {
    "model": "app.reading",
    "pk": 350,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 19,
      "reading_at": "2026-04-14T17:00:00Z",
      "diurnal_swing_c": "2.75",
      "free_run_c": "23.75",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "23.31",
      "humidity_pct": "63.3",
      "co2_ppm": "508"
    }
  },
  {
    "model": "app.reading",
    "pk": 351,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 17,
      "reading_at": "2026-04-14T16:00:00Z",
      "diurnal_swing_c": "4.90",
      "free_run_c": "26.90",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "25.65",
      "humidity_pct": "60.6",
      "co2_ppm": "455"
    }
  },
  {
    "model": "app.reading",
    "pk": 352,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 22,
      "reading_at": "2026-04-16T18:30:00Z",
      "diurnal_swing_c": "2.39",
      "free_run_c": "25.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.89",
      "humidity_pct": "70.2",
      "co2_ppm": "523"
    }
  },
  {
    "model": "app.reading",
    "pk": 353,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 22,
      "reading_at": "2026-04-16T18:30:00Z",
      "diurnal_swing_c": "2.19",
      "free_run_c": "26.19",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.19",
      "humidity_pct": "67.9",
      "co2_ppm": "524"
    }
  },
  {
    "model": "app.reading",
    "pk": 354,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 12,
      "reading_at": "2026-04-15T13:30:00Z",
      "diurnal_swing_c": "5.93",
      "free_run_c": "23.93",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "22.17",
      "humidity_pct": "62.5",
      "co2_ppm": "426"
    }
  },
  {
    "model": "app.reading",
    "pk": 355,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 23,
      "reading_at": "2026-04-16T19:00:00Z",
      "diurnal_swing_c": "1.71",
      "free_run_c": "25.71",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.71",
      "humidity_pct": "65.8",
      "co2_ppm": "517"
    }
  },
  {
    "model": "app.reading",
    "pk": 356,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 13,
      "reading_at": "2026-04-15T14:00:00Z",
      "diurnal_swing_c": "5.80",
      "free_run_c": "23.80",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "22.04",
      "humidity_pct": "55.7",
      "co2_ppm": "397"
    }
  },
  {
    "model": "app.reading",
    "pk": 357,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 20,
      "reading_at": "2026-04-14T17:30:00Z",
      "diurnal_swing_c": "3.19",
      "free_run_c": "24.19",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "23.75",
      "humidity_pct": "61.2",
      "co2_ppm": "502"
    }
  },
  {
    "model": "app.reading",
    "pk": 358,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 20,
      "reading_at": "2026-04-15T17:30:00Z",
      "diurnal_swing_c": "3.17",
      "free_run_c": "23.17",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "22.53",
      "humidity_pct": "63.4",
      "co2_ppm": "489"
    }
  },
  {
    "model": "app.reading",
    "pk": 359,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 17,
      "reading_at": "2026-04-15T16:00:00Z",
      "diurnal_swing_c": "4.43",
      "free_run_c": "25.43",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "24.73",
      "humidity_pct": "65.0",
      "co2_ppm": "433"
    }
  },
  {
    "model": "app.reading",
    "pk": 360,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 24,
      "reading_at": "2026-04-16T19:30:00Z",
      "diurnal_swing_c": "0.67",
      "free_run_c": "24.67",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.67",
      "humidity_pct": "69.0",
      "co2_ppm": "545"
    }
  },
  {
    "model": "app.reading",
    "pk": 361,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 21,
      "reading_at": "2026-04-16T18:00:00Z",
      "diurnal_swing_c": "2.82",
      "free_run_c": "26.32",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.32",
      "humidity_pct": "63.5",
      "co2_ppm": "513"
    }
  },
  {
    "model": "app.reading",
    "pk": 362,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 25,
      "reading_at": "2026-04-16T20:00:00Z",
      "diurnal_swing_c": "-0.19",
      "free_run_c": "23.81",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.81",
      "humidity_pct": "70.8",
      "co2_ppm": "587"
    }
  },
  {
    "model": "app.reading",
    "pk": 363,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 21,
      "reading_at": "2026-04-15T18:00:00Z",
      "diurnal_swing_c": "2.70",
      "free_run_c": "22.70",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.70",
      "humidity_pct": "63.5",
      "co2_ppm": "488"
    }
  },
  {
    "model": "app.reading",
    "pk": 364,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 18,
      "reading_at": "2026-04-14T16:30:00Z",
      "diurnal_swing_c": "4.29",
      "free_run_c": "26.29",
      "vent_programme_share": "0.50",
      "vent_open_pct": "50",
      "vent_cooling_c": "1.25",
      "air_temp_c": "25.04",
      "humidity_pct": "58.6",
      "co2_ppm": "424"
    }
  },
  {
    "model": "app.reading",
    "pk": 365,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 26,
      "reading_at": "2026-04-16T20:30:00Z",
      "diurnal_swing_c": "-0.93",
      "free_run_c": "23.07",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.07",
      "humidity_pct": "76.1",
      "co2_ppm": "611"
    }
  },
  {
    "model": "app.reading",
    "pk": 366,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 21,
      "reading_at": "2026-04-14T18:00:00Z",
      "diurnal_swing_c": "2.63",
      "free_run_c": "23.63",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.63",
      "humidity_pct": "69.1",
      "co2_ppm": "515"
    }
  },
  {
    "model": "app.reading",
    "pk": 367,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 19,
      "reading_at": "2026-04-14T17:00:00Z",
      "diurnal_swing_c": "4.11",
      "free_run_c": "26.11",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "25.48",
      "humidity_pct": "67.5",
      "co2_ppm": "490"
    }
  },
  {
    "model": "app.reading",
    "pk": 368,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 18,
      "reading_at": "2026-04-15T16:30:00Z",
      "diurnal_swing_c": "4.82",
      "free_run_c": "25.82",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "25.12",
      "humidity_pct": "61.3",
      "co2_ppm": "456"
    }
  },
  {
    "model": "app.reading",
    "pk": 369,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 14,
      "reading_at": "2026-04-15T14:30:00Z",
      "diurnal_swing_c": "5.19",
      "free_run_c": "23.19",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "21.43",
      "humidity_pct": "54.9",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 370,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 27,
      "reading_at": "2026-04-15T21:00:00Z",
      "diurnal_swing_c": "-1.26",
      "free_run_c": "18.24",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.24",
      "humidity_pct": "73.2",
      "co2_ppm": "641"
    }
  },
  {
    "model": "app.reading",
    "pk": 371,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 22,
      "reading_at": "2026-04-15T18:30:00Z",
      "diurnal_swing_c": "2.15",
      "free_run_c": "22.15",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.15",
      "humidity_pct": "69.1",
      "co2_ppm": "539"
    }
  },
  {
    "model": "app.reading",
    "pk": 372,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 17,
      "reading_at": "2026-04-16T16:00:00Z",
      "diurnal_swing_c": "5.22",
      "free_run_c": "30.72",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "30.02",
      "humidity_pct": "62.5",
      "co2_ppm": "456"
    }
  },
  {
    "model": "app.reading",
    "pk": 373,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 15,
      "reading_at": "2026-04-16T15:00:00Z",
      "diurnal_swing_c": "5.30",
      "free_run_c": "27.80",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "26.04",
      "humidity_pct": "56.9",
      "co2_ppm": "404"
    }
  },
  {
    "model": "app.reading",
    "pk": 374,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 18,
      "reading_at": "2026-04-16T16:30:00Z",
      "diurnal_swing_c": "4.45",
      "free_run_c": "29.95",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "29.25",
      "humidity_pct": "60.8",
      "co2_ppm": "416"
    }
  },
  {
    "model": "app.reading",
    "pk": 375,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 19,
      "reading_at": "2026-04-16T17:00:00Z",
      "diurnal_swing_c": "3.53",
      "free_run_c": "29.03",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "28.67",
      "humidity_pct": "62.2",
      "co2_ppm": "465"
    }
  },
  {
    "model": "app.reading",
    "pk": 376,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 20,
      "reading_at": "2026-04-16T17:30:00Z",
      "diurnal_swing_c": "3.05",
      "free_run_c": "28.55",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "28.19",
      "humidity_pct": "65.5",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 377,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 22,
      "reading_at": "2026-04-14T18:30:00Z",
      "diurnal_swing_c": "2.21",
      "free_run_c": "23.21",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.21",
      "humidity_pct": "66.3",
      "co2_ppm": "521"
    }
  },
  {
    "model": "app.reading",
    "pk": 378,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 20,
      "reading_at": "2026-04-14T17:30:00Z",
      "diurnal_swing_c": "3.08",
      "free_run_c": "26.08",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "25.44",
      "humidity_pct": "62.6",
      "co2_ppm": "500"
    }
  },
  {
    "model": "app.reading",
    "pk": 379,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 26,
      "reading_at": "2026-04-14T20:30:00Z",
      "diurnal_swing_c": "-0.48",
      "free_run_c": "22.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.02",
      "humidity_pct": "73.3",
      "co2_ppm": "623"
    }
  },
  {
    "model": "app.reading",
    "pk": 380,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 17,
      "reading_at": "2026-04-14T16:00:00Z",
      "diurnal_swing_c": "4.57",
      "free_run_c": "28.57",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "27.87",
      "humidity_pct": "57.9",
      "co2_ppm": "456"
    }
  },
  {
    "model": "app.reading",
    "pk": 381,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 21,
      "reading_at": "2026-04-16T18:00:00Z",
      "diurnal_swing_c": "2.79",
      "free_run_c": "28.29",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "28.29",
      "humidity_pct": "67.2",
      "co2_ppm": "508"
    }
  },
  {
    "model": "app.reading",
    "pk": 382,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 24,
      "reading_at": "2026-04-14T19:30:00Z",
      "diurnal_swing_c": "1.04",
      "free_run_c": "23.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.04",
      "humidity_pct": "69.7",
      "co2_ppm": "593"
    }
  },
  {
    "model": "app.reading",
    "pk": 383,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 18,
      "reading_at": "2026-04-14T16:30:00Z",
      "diurnal_swing_c": "4.37",
      "free_run_c": "28.37",
      "vent_programme_share": "0.50",
      "vent_open_pct": "35",
      "vent_cooling_c": "0.70",
      "air_temp_c": "27.67",
      "humidity_pct": "62.4",
      "co2_ppm": "471"
    }
  },
  {
    "model": "app.reading",
    "pk": 384,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 15,
      "reading_at": "2026-04-15T15:00:00Z",
      "diurnal_swing_c": "5.70",
      "free_run_c": "23.70",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "21.94",
      "humidity_pct": "55.6",
      "co2_ppm": "401"
    }
  },
  {
    "model": "app.reading",
    "pk": 385,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 22,
      "reading_at": "2026-04-16T18:30:00Z",
      "diurnal_swing_c": "1.56",
      "free_run_c": "25.06",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.06",
      "humidity_pct": "66.5",
      "co2_ppm": "497"
    }
  },
  {
    "model": "app.reading",
    "pk": 386,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 23,
      "reading_at": "2026-04-16T19:00:00Z",
      "diurnal_swing_c": "1.54",
      "free_run_c": "25.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.04",
      "humidity_pct": "69.3",
      "co2_ppm": "524"
    }
  },
  {
    "model": "app.reading",
    "pk": 387,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 31,
      "reading_at": "2026-04-15T23:00:00Z",
      "diurnal_swing_c": "-3.40",
      "free_run_c": "15.60",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.60",
      "humidity_pct": "75.5",
      "co2_ppm": "724"
    }
  },
  {
    "model": "app.reading",
    "pk": 388,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 27,
      "reading_at": "2026-04-16T21:00:00Z",
      "diurnal_swing_c": "-1.69",
      "free_run_c": "22.31",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.31",
      "humidity_pct": "72.3",
      "co2_ppm": "640"
    }
  },
  {
    "model": "app.reading",
    "pk": 389,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 21,
      "reading_at": "2026-04-14T18:00:00Z",
      "diurnal_swing_c": "2.31",
      "free_run_c": "25.31",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.31",
      "humidity_pct": "67.8",
      "co2_ppm": "540"
    }
  },
  {
    "model": "app.reading",
    "pk": 390,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 23,
      "reading_at": "2026-04-16T19:00:00Z",
      "diurnal_swing_c": "0.93",
      "free_run_c": "24.43",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.43",
      "humidity_pct": "67.7",
      "co2_ppm": "541"
    }
  },
  {
    "model": "app.reading",
    "pk": 391,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 28,
      "reading_at": "2026-04-16T21:30:00Z",
      "diurnal_swing_c": "-2.20",
      "free_run_c": "21.80",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.80",
      "humidity_pct": "75.3",
      "co2_ppm": "655"
    }
  },
  {
    "model": "app.reading",
    "pk": 392,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 20,
      "reading_at": "2026-04-14T17:30:00Z",
      "diurnal_swing_c": "2.92",
      "free_run_c": "24.92",
      "vent_programme_share": "0.25",
      "vent_open_pct": "25",
      "vent_cooling_c": "0.63",
      "air_temp_c": "24.29",
      "humidity_pct": "61.6",
      "co2_ppm": "489"
    }
  },
  {
    "model": "app.reading",
    "pk": 393,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 23,
      "reading_at": "2026-04-15T19:00:00Z",
      "diurnal_swing_c": "1.11",
      "free_run_c": "21.11",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.11",
      "humidity_pct": "70.4",
      "co2_ppm": "561"
    }
  },
  {
    "model": "app.reading",
    "pk": 394,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 21,
      "reading_at": "2026-04-14T18:00:00Z",
      "diurnal_swing_c": "2.32",
      "free_run_c": "24.32",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.32",
      "humidity_pct": "64.7",
      "co2_ppm": "493"
    }
  },
  {
    "model": "app.reading",
    "pk": 395,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 17,
      "reading_at": "2026-04-16T16:00:00Z",
      "diurnal_swing_c": "4.71",
      "free_run_c": "29.21",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "27.95",
      "humidity_pct": "57.1",
      "co2_ppm": "411"
    }
  },
  {
    "model": "app.reading",
    "pk": 396,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 29,
      "reading_at": "2026-04-16T22:00:00Z",
      "diurnal_swing_c": "-3.30",
      "free_run_c": "20.70",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.70",
      "humidity_pct": "79.7",
      "co2_ppm": "692"
    }
  },
  {
    "model": "app.reading",
    "pk": 397,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 24,
      "reading_at": "2026-04-15T19:30:00Z",
      "diurnal_swing_c": "0.94",
      "free_run_c": "20.94",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.94",
      "humidity_pct": null,
      "co2_ppm": "634"
    }
  },
  {
    "model": "app.reading",
    "pk": 398,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 22,
      "reading_at": "2026-04-14T18:30:00Z",
      "diurnal_swing_c": "1.87",
      "free_run_c": "24.87",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.87",
      "humidity_pct": "70.4",
      "co2_ppm": "541"
    }
  },
  {
    "model": "app.reading",
    "pk": 399,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 16,
      "reading_at": "2026-04-15T15:30:00Z",
      "diurnal_swing_c": "5.19",
      "free_run_c": "23.19",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "21.43",
      "humidity_pct": "58.3",
      "co2_ppm": "448"
    }
  },
  {
    "model": "app.reading",
    "pk": 400,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 23,
      "reading_at": "2026-04-14T19:00:00Z",
      "diurnal_swing_c": "1.62",
      "free_run_c": "24.62",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.62",
      "humidity_pct": "66.6",
      "co2_ppm": "539"
    }
  },
  {
    "model": "app.reading",
    "pk": 401,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 27,
      "reading_at": "2026-04-14T21:00:00Z",
      "diurnal_swing_c": "-1.11",
      "free_run_c": "21.39",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.39",
      "humidity_pct": "74.5",
      "co2_ppm": "656"
    }
  },
  {
    "model": "app.reading",
    "pk": 402,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 22,
      "reading_at": "2026-04-14T18:30:00Z",
      "diurnal_swing_c": "1.68",
      "free_run_c": "23.68",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.68",
      "humidity_pct": "65.3",
      "co2_ppm": "542"
    }
  },
  {
    "model": "app.reading",
    "pk": 403,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 17,
      "reading_at": "2026-04-15T16:00:00Z",
      "diurnal_swing_c": "4.82",
      "free_run_c": "22.82",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "21.94",
      "humidity_pct": "59.0",
      "co2_ppm": "478"
    }
  },
  {
    "model": "app.reading",
    "pk": 404,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 23,
      "reading_at": "2026-04-15T19:00:00Z",
      "diurnal_swing_c": "1.27",
      "free_run_c": "20.27",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.27",
      "humidity_pct": "68.1",
      "co2_ppm": "533"
    }
  },
  {
    "model": "app.reading",
    "pk": 405,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 18,
      "reading_at": "2026-04-15T16:30:00Z",
      "diurnal_swing_c": "4.22",
      "free_run_c": "22.22",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "21.34",
      "humidity_pct": "59.3",
      "co2_ppm": "468"
    }
  },
  {
    "model": "app.reading",
    "pk": 406,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 24,
      "reading_at": "2026-04-15T19:30:00Z",
      "diurnal_swing_c": "0.85",
      "free_run_c": "19.85",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.85",
      "humidity_pct": "71.1",
      "co2_ppm": "580"
    }
  },
  {
    "model": "app.reading",
    "pk": 407,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 32,
      "reading_at": "2026-04-15T23:30:00Z",
      "diurnal_swing_c": "-4.29",
      "free_run_c": "14.71",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.71",
      "humidity_pct": "78.2",
      "co2_ppm": "716"
    }
  },
  {
    "model": "app.reading",
    "pk": 408,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 28,
      "reading_at": "2026-04-15T21:30:00Z",
      "diurnal_swing_c": "-1.95",
      "free_run_c": "17.55",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.55",
      "humidity_pct": "80.7",
      "co2_ppm": "656"
    }
  },
  {
    "model": "app.reading",
    "pk": 409,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 24,
      "reading_at": "2026-04-16T19:30:00Z",
      "diurnal_swing_c": "0.26",
      "free_run_c": "23.76",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.76",
      "humidity_pct": "73.2",
      "co2_ppm": "597"
    }
  },
  {
    "model": "app.reading",
    "pk": 410,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 19,
      "reading_at": "2026-04-15T17:00:00Z",
      "diurnal_swing_c": "4.07",
      "free_run_c": "22.07",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "21.63",
      "humidity_pct": "62.7",
      "co2_ppm": "445"
    }
  },
  {
    "model": "app.reading",
    "pk": 411,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 25,
      "reading_at": "2026-04-15T20:00:00Z",
      "diurnal_swing_c": "0.18",
      "free_run_c": "20.18",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.18",
      "humidity_pct": "69.9",
      "co2_ppm": "565"
    }
  },
  {
    "model": "app.reading",
    "pk": 412,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 16,
      "reading_at": "2026-04-16T15:30:00Z",
      "diurnal_swing_c": "5.00",
      "free_run_c": "27.50",
      "vent_programme_share": "1.00",
      "vent_open_pct": "80",
      "vent_cooling_c": "1.76",
      "air_temp_c": "25.74",
      "humidity_pct": "60.5",
      "co2_ppm": "435"
    }
  },
  {
    "model": "app.reading",
    "pk": 413,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 19,
      "reading_at": "2026-04-15T17:00:00Z",
      "diurnal_swing_c": "3.71",
      "free_run_c": "24.71",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "24.35",
      "humidity_pct": "62.9",
      "co2_ppm": "467"
    }
  },
  {
    "model": "app.reading",
    "pk": 414,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 25,
      "reading_at": "2026-04-15T20:00:00Z",
      "diurnal_swing_c": "-0.16",
      "free_run_c": "18.84",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.84",
      "humidity_pct": "74.8",
      "co2_ppm": "571"
    }
  },
  {
    "model": "app.reading",
    "pk": 415,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 24,
      "reading_at": "2026-04-16T19:30:00Z",
      "diurnal_swing_c": "0.76",
      "free_run_c": "24.26",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.26",
      "humidity_pct": "67.9",
      "co2_ppm": "566"
    }
  },
  {
    "model": "app.reading",
    "pk": 416,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 29,
      "reading_at": "2026-04-15T22:00:00Z",
      "diurnal_swing_c": "-2.95",
      "free_run_c": "16.55",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.55",
      "humidity_pct": "80.6",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 417,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 25,
      "reading_at": "2026-04-14T20:00:00Z",
      "diurnal_swing_c": "0.19",
      "free_run_c": "22.19",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.19",
      "humidity_pct": "71.1",
      "co2_ppm": "573"
    }
  },
  {
    "model": "app.reading",
    "pk": 418,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 26,
      "reading_at": "2026-04-14T20:30:00Z",
      "diurnal_swing_c": "-1.02",
      "free_run_c": "20.98",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.98",
      "humidity_pct": "70.7",
      "co2_ppm": "595"
    }
  },
  {
    "model": "app.reading",
    "pk": 419,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 17,
      "reading_at": "2026-04-16T16:00:00Z",
      "diurnal_swing_c": "4.36",
      "free_run_c": "26.86",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "25.98",
      "humidity_pct": "61.0",
      "co2_ppm": "443"
    }
  },
  {
    "model": "app.reading",
    "pk": 420,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 19,
      "reading_at": "2026-04-14T17:00:00Z",
      "diurnal_swing_c": "4.14",
      "free_run_c": "28.14",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "27.78",
      "humidity_pct": "63.0",
      "co2_ppm": "474"
    }
  },
  {
    "model": "app.reading",
    "pk": 421,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 28,
      "reading_at": "2026-04-14T21:30:00Z",
      "diurnal_swing_c": "-1.94",
      "free_run_c": "20.56",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.56",
      "humidity_pct": "77.0",
      "co2_ppm": "664"
    }
  },
  {
    "model": "app.reading",
    "pk": 422,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 26,
      "reading_at": "2026-04-15T20:30:00Z",
      "diurnal_swing_c": "-0.86",
      "free_run_c": "19.14",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.14",
      "humidity_pct": "68.2",
      "co2_ppm": "660"
    }
  },
  {
    "model": "app.reading",
    "pk": 423,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 29,
      "reading_at": "2026-04-14T22:00:00Z",
      "diurnal_swing_c": "-2.62",
      "free_run_c": "19.88",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.88",
      "humidity_pct": "78.0",
      "co2_ppm": "696"
    }
  },
  {
    "model": "app.reading",
    "pk": 424,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 20,
      "reading_at": "2026-04-15T17:30:00Z",
      "diurnal_swing_c": "3.70",
      "free_run_c": "21.70",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "21.26",
      "humidity_pct": "65.9",
      "co2_ppm": "512"
    }
  },
  {
    "model": "app.reading",
    "pk": 425,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 18,
      "reading_at": "2026-04-16T16:30:00Z",
      "diurnal_swing_c": "4.55",
      "free_run_c": "27.05",
      "vent_programme_share": "0.50",
      "vent_open_pct": "40",
      "vent_cooling_c": "0.88",
      "air_temp_c": "26.17",
      "humidity_pct": "63.8",
      "co2_ppm": "446"
    }
  },
  {
    "model": "app.reading",
    "pk": 426,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 26,
      "reading_at": "2026-04-15T20:30:00Z",
      "diurnal_swing_c": "-1.26",
      "free_run_c": "17.74",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.74",
      "humidity_pct": "74.2",
      "co2_ppm": "633"
    }
  },
  {
    "model": "app.reading",
    "pk": 427,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 33,
      "reading_at": "2026-04-16T00:00:00Z",
      "diurnal_swing_c": "-4.81",
      "free_run_c": "14.19",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.19",
      "humidity_pct": "82.2",
      "co2_ppm": "773"
    }
  },
  {
    "model": "app.reading",
    "pk": 428,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 30,
      "reading_at": "2026-04-14T22:30:00Z",
      "diurnal_swing_c": "-3.89",
      "free_run_c": "18.61",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.61",
      "humidity_pct": "76.8",
      "co2_ppm": "709"
    }
  },
  {
    "model": "app.reading",
    "pk": 429,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 22,
      "reading_at": "2026-04-16T18:30:00Z",
      "diurnal_swing_c": "1.48",
      "free_run_c": "26.98",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.98",
      "humidity_pct": "70.7",
      "co2_ppm": "508"
    }
  },
  {
    "model": "app.reading",
    "pk": 430,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 30,
      "reading_at": "2026-04-16T22:30:00Z",
      "diurnal_swing_c": "-3.46",
      "free_run_c": "20.54",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.54",
      "humidity_pct": "77.4",
      "co2_ppm": "731"
    }
  },
  {
    "model": "app.reading",
    "pk": 431,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 23,
      "reading_at": "2026-04-14T19:00:00Z",
      "diurnal_swing_c": "1.48",
      "free_run_c": "23.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.48",
      "humidity_pct": "69.5",
      "co2_ppm": "565"
    }
  },
  {
    "model": "app.reading",
    "pk": 432,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 31,
      "reading_at": "2026-04-16T23:00:00Z",
      "diurnal_swing_c": "-3.61",
      "free_run_c": "20.39",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.39",
      "humidity_pct": "83.9",
      "co2_ppm": "744"
    }
  },
  {
    "model": "app.reading",
    "pk": 433,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 24,
      "reading_at": "2026-04-14T19:30:00Z",
      "diurnal_swing_c": "0.74",
      "free_run_c": "22.74",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.74",
      "humidity_pct": "72.4",
      "co2_ppm": "604"
    }
  },
  {
    "model": "app.reading",
    "pk": 434,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 27,
      "reading_at": "2026-04-14T21:00:00Z",
      "diurnal_swing_c": "-1.26",
      "free_run_c": "20.74",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.74",
      "humidity_pct": "76.3",
      "co2_ppm": "650"
    }
  },
  {
    "model": "app.reading",
    "pk": 435,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 21,
      "reading_at": "2026-04-15T18:00:00Z",
      "diurnal_swing_c": "2.90",
      "free_run_c": "20.90",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.90",
      "humidity_pct": "61.1",
      "co2_ppm": "527"
    }
  },
  {
    "model": "app.reading",
    "pk": 436,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 19,
      "reading_at": "2026-04-16T17:00:00Z",
      "diurnal_swing_c": "4.04",
      "free_run_c": "26.54",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "26.10",
      "humidity_pct": null,
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 437,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 27,
      "reading_at": "2026-04-15T21:00:00Z",
      "diurnal_swing_c": "-1.73",
      "free_run_c": "17.27",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.27",
      "humidity_pct": "74.8",
      "co2_ppm": "632"
    }
  },
  {
    "model": "app.reading",
    "pk": 438,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 20,
      "reading_at": "2026-04-15T17:30:00Z",
      "diurnal_swing_c": "3.10",
      "free_run_c": "24.10",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "23.74",
      "humidity_pct": "58.3",
      "co2_ppm": "501"
    }
  },
  {
    "model": "app.reading",
    "pk": 439,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 18,
      "reading_at": "2026-04-16T16:30:00Z",
      "diurnal_swing_c": "4.59",
      "free_run_c": "29.09",
      "vent_programme_share": "0.50",
      "vent_open_pct": "45",
      "vent_cooling_c": "1.26",
      "air_temp_c": "27.83",
      "humidity_pct": "63.5",
      "co2_ppm": "427"
    }
  },
  {
    "model": "app.reading",
    "pk": 440,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 23,
      "reading_at": "2026-04-16T19:00:00Z",
      "diurnal_swing_c": "1.02",
      "free_run_c": "26.52",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.52",
      "humidity_pct": "63.0",
      "co2_ppm": "557"
    }
  },
  {
    "model": "app.reading",
    "pk": 441,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 28,
      "reading_at": "2026-04-15T21:30:00Z",
      "diurnal_swing_c": "-2.55",
      "free_run_c": "16.45",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.45",
      "humidity_pct": "76.2",
      "co2_ppm": "648"
    }
  },
  {
    "model": "app.reading",
    "pk": 442,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 22,
      "reading_at": "2026-04-15T18:30:00Z",
      "diurnal_swing_c": "1.93",
      "free_run_c": "19.93",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.93",
      "humidity_pct": "69.0",
      "co2_ppm": "567"
    }
  },
  {
    "model": "app.reading",
    "pk": 443,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 31,
      "reading_at": "2026-04-14T23:00:00Z",
      "diurnal_swing_c": "-4.00",
      "free_run_c": "18.50",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.50",
      "humidity_pct": "79.2",
      "co2_ppm": "736"
    }
  },
  {
    "model": "app.reading",
    "pk": 444,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 21,
      "reading_at": "2026-04-15T18:00:00Z",
      "diurnal_swing_c": "2.86",
      "free_run_c": "23.86",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.86",
      "humidity_pct": "66.7",
      "co2_ppm": "481"
    }
  },
  {
    "model": "app.reading",
    "pk": 445,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 20,
      "reading_at": "2026-04-16T17:30:00Z",
      "diurnal_swing_c": "3.73",
      "free_run_c": "26.23",
      "vent_programme_share": "0.25",
      "vent_open_pct": "20",
      "vent_cooling_c": "0.44",
      "air_temp_c": "25.79",
      "humidity_pct": "63.2",
      "co2_ppm": "487"
    }
  },
  {
    "model": "app.reading",
    "pk": 446,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 27,
      "reading_at": "2026-04-15T21:00:00Z",
      "diurnal_swing_c": "-1.13",
      "free_run_c": "18.87",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.87",
      "humidity_pct": "79.5",
      "co2_ppm": "650"
    }
  },
  {
    "model": "app.reading",
    "pk": 447,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 28,
      "reading_at": "2026-04-15T21:30:00Z",
      "diurnal_swing_c": "-2.07",
      "free_run_c": "17.93",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.93",
      "humidity_pct": "76.5",
      "co2_ppm": "681"
    }
  },
  {
    "model": "app.reading",
    "pk": 448,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 24,
      "reading_at": "2026-04-16T19:30:00Z",
      "diurnal_swing_c": "-0.04",
      "free_run_c": "25.46",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.46",
      "humidity_pct": "71.3",
      "co2_ppm": "598"
    }
  },
  {
    "model": "app.reading",
    "pk": 449,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 22,
      "reading_at": "2026-04-15T18:30:00Z",
      "diurnal_swing_c": "1.31",
      "free_run_c": "22.31",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.31",
      "humidity_pct": "68.0",
      "co2_ppm": "537"
    }
  },
  {
    "model": "app.reading",
    "pk": 450,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 25,
      "reading_at": "2026-04-16T20:00:00Z",
      "diurnal_swing_c": "0.09",
      "free_run_c": "23.59",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.59",
      "humidity_pct": "76.3",
      "co2_ppm": "586"
    }
  },
  {
    "model": "app.reading",
    "pk": 451,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 32,
      "reading_at": "2026-04-16T23:30:00Z",
      "diurnal_swing_c": "-4.72",
      "free_run_c": "19.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.28",
      "humidity_pct": "80.3",
      "co2_ppm": "730"
    }
  },
  {
    "model": "app.reading",
    "pk": 452,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 34,
      "reading_at": "2026-04-16T00:30:00Z",
      "diurnal_swing_c": "-4.71",
      "free_run_c": "14.29",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.29",
      "humidity_pct": "83.5",
      "co2_ppm": "769"
    }
  },
  {
    "model": "app.reading",
    "pk": 453,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 19,
      "reading_at": "2026-04-16T17:00:00Z",
      "diurnal_swing_c": "3.85",
      "free_run_c": "28.35",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "27.71",
      "humidity_pct": "61.4",
      "co2_ppm": "472"
    }
  },
  {
    "model": "app.reading",
    "pk": 454,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 21,
      "reading_at": "2026-04-16T18:00:00Z",
      "diurnal_swing_c": "3.07",
      "free_run_c": "25.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.57",
      "humidity_pct": "63.4",
      "co2_ppm": "497"
    }
  },
  {
    "model": "app.reading",
    "pk": 455,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 24,
      "reading_at": "2026-04-14T19:30:00Z",
      "diurnal_swing_c": "0.66",
      "free_run_c": "23.66",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.66",
      "humidity_pct": "70.0",
      "co2_ppm": "555"
    }
  },
  {
    "model": "app.reading",
    "pk": 456,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 25,
      "reading_at": "2026-04-16T20:00:00Z",
      "diurnal_swing_c": "-0.23",
      "free_run_c": "25.27",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.27",
      "humidity_pct": null,
      "co2_ppm": "606"
    }
  },
  {
    "model": "app.reading",
    "pk": 457,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 20,
      "reading_at": "2026-04-14T17:30:00Z",
      "diurnal_swing_c": "3.22",
      "free_run_c": "27.22",
      "vent_programme_share": "0.25",
      "vent_open_pct": "18",
      "vent_cooling_c": "0.36",
      "air_temp_c": "26.86",
      "humidity_pct": "65.2",
      "co2_ppm": "470"
    }
  },
  {
    "model": "app.reading",
    "pk": 458,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 30,
      "reading_at": "2026-04-15T22:30:00Z",
      "diurnal_swing_c": "-3.37",
      "free_run_c": "16.13",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.13",
      "humidity_pct": "83.5",
      "co2_ppm": "741"
    }
  },
  {
    "model": "app.reading",
    "pk": 459,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 23,
      "reading_at": "2026-04-15T19:00:00Z",
      "diurnal_swing_c": "1.06",
      "free_run_c": "19.06",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.06",
      "humidity_pct": "63.7",
      "co2_ppm": "586"
    }
  },
  {
    "model": "app.reading",
    "pk": 460,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 23,
      "reading_at": "2026-04-15T19:00:00Z",
      "diurnal_swing_c": "1.30",
      "free_run_c": "22.30",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.30",
      "humidity_pct": "63.6",
      "co2_ppm": "552"
    }
  },
  {
    "model": "app.reading",
    "pk": 461,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 25,
      "reading_at": "2026-04-16T20:00:00Z",
      "diurnal_swing_c": "-0.35",
      "free_run_c": "23.15",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.15",
      "humidity_pct": "72.0",
      "co2_ppm": "596"
    }
  },
  {
    "model": "app.reading",
    "pk": 462,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 33,
      "reading_at": "2026-04-17T00:00:00Z",
      "diurnal_swing_c": "-5.24",
      "free_run_c": "18.76",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.76",
      "humidity_pct": "83.6",
      "co2_ppm": "747"
    }
  },
  {
    "model": "app.reading",
    "pk": 463,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 22,
      "reading_at": "2026-04-16T18:30:00Z",
      "diurnal_swing_c": "1.98",
      "free_run_c": "24.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.48",
      "humidity_pct": "66.9",
      "co2_ppm": "559"
    }
  },
  {
    "model": "app.reading",
    "pk": 464,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 29,
      "reading_at": "2026-04-15T22:00:00Z",
      "diurnal_swing_c": "-2.76",
      "free_run_c": "16.24",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.24",
      "humidity_pct": "78.5",
      "co2_ppm": "688"
    }
  },
  {
    "model": "app.reading",
    "pk": 465,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 31,
      "reading_at": "2026-04-15T23:00:00Z",
      "diurnal_swing_c": "-3.78",
      "free_run_c": "15.72",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.72",
      "humidity_pct": "82.0",
      "co2_ppm": "715"
    }
  },
  {
    "model": "app.reading",
    "pk": 466,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 26,
      "reading_at": "2026-04-16T20:30:00Z",
      "diurnal_swing_c": "-1.18",
      "free_run_c": "22.32",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.32",
      "humidity_pct": "76.7",
      "co2_ppm": "625"
    }
  },
  {
    "model": "app.reading",
    "pk": 467,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 32,
      "reading_at": "2026-04-15T23:30:00Z",
      "diurnal_swing_c": "-4.65",
      "free_run_c": "14.85",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.85",
      "humidity_pct": "84.6",
      "co2_ppm": "729"
    }
  },
  {
    "model": "app.reading",
    "pk": 468,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 20,
      "reading_at": "2026-04-16T17:30:00Z",
      "diurnal_swing_c": "3.63",
      "free_run_c": "28.13",
      "vent_programme_share": "0.25",
      "vent_open_pct": "23",
      "vent_cooling_c": "0.64",
      "air_temp_c": "27.49",
      "humidity_pct": "63.7",
      "co2_ppm": "474"
    }
  },
  {
    "model": "app.reading",
    "pk": 469,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 24,
      "reading_at": "2026-04-15T19:30:00Z",
      "diurnal_swing_c": "1.43",
      "free_run_c": "22.43",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.43",
      "humidity_pct": "74.8",
      "co2_ppm": "546"
    }
  },
  {
    "model": "app.reading",
    "pk": 470,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 24,
      "reading_at": "2026-04-15T19:30:00Z",
      "diurnal_swing_c": "1.07",
      "free_run_c": "19.07",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.07",
      "humidity_pct": "70.5",
      "co2_ppm": "567"
    }
  },
  {
    "model": "app.reading",
    "pk": 471,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 26,
      "reading_at": "2026-04-16T20:30:00Z",
      "diurnal_swing_c": "-0.53",
      "free_run_c": "24.97",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.97",
      "humidity_pct": "76.1",
      "co2_ppm": "655"
    }
  },
  {
    "model": "app.reading",
    "pk": 472,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 25,
      "reading_at": "2026-04-15T20:00:00Z",
      "diurnal_swing_c": "-0.13",
      "free_run_c": "20.87",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.87",
      "humidity_pct": "72.7",
      "co2_ppm": "612"
    }
  },
  {
    "model": "app.reading",
    "pk": 473,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 27,
      "reading_at": "2026-04-16T21:00:00Z",
      "diurnal_swing_c": "-1.71",
      "free_run_c": "21.79",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.79",
      "humidity_pct": "75.8",
      "co2_ppm": "614"
    }
  },
  {
    "model": "app.reading",
    "pk": 474,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 34,
      "reading_at": "2026-04-17T00:30:00Z",
      "diurnal_swing_c": "-5.40",
      "free_run_c": "18.60",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.60",
      "humidity_pct": "85.5",
      "co2_ppm": "762"
    }
  },
  {
    "model": "app.reading",
    "pk": 475,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 30,
      "reading_at": "2026-04-15T22:30:00Z",
      "diurnal_swing_c": "-3.34",
      "free_run_c": "15.66",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.66",
      "humidity_pct": "82.1",
      "co2_ppm": "720"
    }
  },
  {
    "model": "app.reading",
    "pk": 476,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 28,
      "reading_at": "2026-04-14T21:30:00Z",
      "diurnal_swing_c": "-2.32",
      "free_run_c": "19.68",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.68",
      "humidity_pct": "81.5",
      "co2_ppm": "684"
    }
  },
  {
    "model": "app.reading",
    "pk": 477,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 26,
      "reading_at": "2026-04-16T20:30:00Z",
      "diurnal_swing_c": "-0.96",
      "free_run_c": "22.54",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.54",
      "humidity_pct": "72.9",
      "co2_ppm": "639"
    }
  },
  {
    "model": "app.reading",
    "pk": 478,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 28,
      "reading_at": "2026-04-16T21:30:00Z",
      "diurnal_swing_c": "-2.09",
      "free_run_c": "21.41",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.41",
      "humidity_pct": "79.3",
      "co2_ppm": "643"
    }
  },
  {
    "model": "app.reading",
    "pk": 479,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 26,
      "reading_at": "2026-04-15T20:30:00Z",
      "diurnal_swing_c": "-0.28",
      "free_run_c": "20.72",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.72",
      "humidity_pct": "73.6",
      "co2_ppm": "656"
    }
  },
  {
    "model": "app.reading",
    "pk": 480,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 25,
      "reading_at": "2026-04-14T20:00:00Z",
      "diurnal_swing_c": "-0.11",
      "free_run_c": "21.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.89",
      "humidity_pct": "71.8",
      "co2_ppm": "602"
    }
  },
  {
    "model": "app.reading",
    "pk": 481,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 35,
      "reading_at": "2026-04-17T01:00:00Z",
      "diurnal_swing_c": "-5.03",
      "free_run_c": "18.97",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.97",
      "humidity_pct": "85.2",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 482,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 35,
      "reading_at": "2026-04-16T01:00:00Z",
      "diurnal_swing_c": "-5.36",
      "free_run_c": "13.64",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.64",
      "humidity_pct": "87.4",
      "co2_ppm": "752"
    }
  },
  {
    "model": "app.reading",
    "pk": 483,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 21,
      "reading_at": "2026-04-14T18:00:00Z",
      "diurnal_swing_c": "3.04",
      "free_run_c": "27.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "27.04",
      "humidity_pct": "65.9",
      "co2_ppm": "534"
    }
  },
  {
    "model": "app.reading",
    "pk": 484,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 25,
      "reading_at": "2026-04-15T20:00:00Z",
      "diurnal_swing_c": "-0.37",
      "free_run_c": "17.63",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.63",
      "humidity_pct": "70.6",
      "co2_ppm": "619"
    }
  },
  {
    "model": "app.reading",
    "pk": 485,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 25,
      "reading_at": "2026-04-14T20:00:00Z",
      "diurnal_swing_c": "-0.07",
      "free_run_c": "22.93",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.93",
      "humidity_pct": "70.7",
      "co2_ppm": "609"
    }
  },
  {
    "model": "app.reading",
    "pk": 486,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 36,
      "reading_at": "2026-04-17T01:30:00Z",
      "diurnal_swing_c": "-5.35",
      "free_run_c": "18.65",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.65",
      "humidity_pct": "80.0",
      "co2_ppm": "789"
    }
  },
  {
    "model": "app.reading",
    "pk": 487,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 33,
      "reading_at": "2026-04-16T00:00:00Z",
      "diurnal_swing_c": "-4.77",
      "free_run_c": "14.73",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.73",
      "humidity_pct": "84.2",
      "co2_ppm": "790"
    }
  },
  {
    "model": "app.reading",
    "pk": 488,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 26,
      "reading_at": "2026-04-15T20:30:00Z",
      "diurnal_swing_c": "-0.87",
      "free_run_c": "17.13",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.13",
      "humidity_pct": "75.8",
      "co2_ppm": "635"
    }
  },
  {
    "model": "app.reading",
    "pk": 489,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 29,
      "reading_at": "2026-04-14T22:00:00Z",
      "diurnal_swing_c": "-2.82",
      "free_run_c": "19.18",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.18",
      "humidity_pct": "80.0",
      "co2_ppm": "673"
    }
  },
  {
    "model": "app.reading",
    "pk": 490,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 22,
      "reading_at": "2026-04-14T18:30:00Z",
      "diurnal_swing_c": "2.08",
      "free_run_c": "26.08",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.08",
      "humidity_pct": "67.4",
      "co2_ppm": "547"
    }
  },
  {
    "model": "app.reading",
    "pk": 491,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 29,
      "reading_at": "2026-04-16T22:00:00Z",
      "diurnal_swing_c": "-2.77",
      "free_run_c": "20.73",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.73",
      "humidity_pct": "80.4",
      "co2_ppm": "721"
    }
  },
  {
    "model": "app.reading",
    "pk": 492,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 31,
      "reading_at": "2026-04-15T23:00:00Z",
      "diurnal_swing_c": "-4.32",
      "free_run_c": "14.68",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.68",
      "humidity_pct": "80.9",
      "co2_ppm": "736"
    }
  },
  {
    "model": "app.reading",
    "pk": 493,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 30,
      "reading_at": "2026-04-16T22:30:00Z",
      "diurnal_swing_c": "-3.34",
      "free_run_c": "20.16",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.16",
      "humidity_pct": "80.0",
      "co2_ppm": "700"
    }
  },
  {
    "model": "app.reading",
    "pk": 494,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 32,
      "reading_at": "2026-04-15T23:30:00Z",
      "diurnal_swing_c": "-4.44",
      "free_run_c": "14.56",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.56",
      "humidity_pct": "81.3",
      "co2_ppm": "749"
    }
  },
  {
    "model": "app.reading",
    "pk": 495,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 21,
      "reading_at": "2026-04-16T18:00:00Z",
      "diurnal_swing_c": "2.11",
      "free_run_c": "26.61",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.61",
      "humidity_pct": "68.2",
      "co2_ppm": "538"
    }
  },
  {
    "model": "app.reading",
    "pk": 496,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 31,
      "reading_at": "2026-04-16T23:00:00Z",
      "diurnal_swing_c": "-4.46",
      "free_run_c": "19.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.04",
      "humidity_pct": "79.9",
      "co2_ppm": "729"
    }
  },
  {
    "model": "app.reading",
    "pk": 497,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 26,
      "reading_at": "2026-04-14T20:30:00Z",
      "diurnal_swing_c": "-0.61",
      "free_run_c": "22.39",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.39",
      "humidity_pct": null,
      "co2_ppm": "627"
    }
  },
  {
    "model": "app.reading",
    "pk": 498,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 23,
      "reading_at": "2026-04-14T19:00:00Z",
      "diurnal_swing_c": "1.83",
      "free_run_c": "22.83",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.83",
      "humidity_pct": "67.2",
      "co2_ppm": "546"
    }
  },
  {
    "model": "app.reading",
    "pk": 499,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 22,
      "reading_at": "2026-04-16T18:30:00Z",
      "diurnal_swing_c": "1.56",
      "free_run_c": "26.06",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "26.06",
      "humidity_pct": "65.7",
      "co2_ppm": "543"
    }
  },
  {
    "model": "app.reading",
    "pk": 500,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 23,
      "reading_at": "2026-04-16T19:00:00Z",
      "diurnal_swing_c": "1.36",
      "free_run_c": "23.86",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.86",
      "humidity_pct": "65.7",
      "co2_ppm": "574"
    }
  },
  {
    "model": "app.reading",
    "pk": 501,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 29,
      "reading_at": "2026-04-15T22:00:00Z",
      "diurnal_swing_c": "-2.37",
      "free_run_c": "17.63",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.63",
      "humidity_pct": "77.5",
      "co2_ppm": "692"
    }
  },
  {
    "model": "app.reading",
    "pk": 502,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 26,
      "reading_at": "2026-04-14T20:30:00Z",
      "diurnal_swing_c": "-0.54",
      "free_run_c": "21.46",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.46",
      "humidity_pct": "71.9",
      "co2_ppm": "635"
    }
  },
  {
    "model": "app.reading",
    "pk": 503,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 27,
      "reading_at": "2026-04-15T21:00:00Z",
      "diurnal_swing_c": "-1.43",
      "free_run_c": "16.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.57",
      "humidity_pct": "76.4",
      "co2_ppm": "657"
    }
  },
  {
    "model": "app.reading",
    "pk": 504,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 27,
      "reading_at": "2026-04-14T21:00:00Z",
      "diurnal_swing_c": "-1.23",
      "free_run_c": "21.77",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.77",
      "humidity_pct": "74.8",
      "co2_ppm": "634"
    }
  },
  {
    "model": "app.reading",
    "pk": 505,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 24,
      "reading_at": "2026-04-14T19:30:00Z",
      "diurnal_swing_c": "0.60",
      "free_run_c": "21.60",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.60",
      "humidity_pct": "71.2",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 506,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 27,
      "reading_at": "2026-04-15T21:00:00Z",
      "diurnal_swing_c": "-1.61",
      "free_run_c": "19.39",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.39",
      "humidity_pct": "75.2",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 507,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 23,
      "reading_at": "2026-04-14T19:00:00Z",
      "diurnal_swing_c": "1.13",
      "free_run_c": "25.13",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.13",
      "humidity_pct": "69.3",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 508,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 27,
      "reading_at": "2026-04-16T21:00:00Z",
      "diurnal_swing_c": "-1.17",
      "free_run_c": "22.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.33",
      "humidity_pct": "75.0",
      "co2_ppm": "650"
    }
  },
  {
    "model": "app.reading",
    "pk": 509,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 24,
      "reading_at": "2026-04-14T19:30:00Z",
      "diurnal_swing_c": "0.51",
      "free_run_c": "24.51",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.51",
      "humidity_pct": "72.1",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 510,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 25,
      "reading_at": "2026-04-14T20:00:00Z",
      "diurnal_swing_c": "0.15",
      "free_run_c": "21.15",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.15",
      "humidity_pct": "74.2",
      "co2_ppm": "611"
    }
  },
  {
    "model": "app.reading",
    "pk": 511,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 30,
      "reading_at": "2026-04-15T22:30:00Z",
      "diurnal_swing_c": "-4.21",
      "free_run_c": "15.79",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.79",
      "humidity_pct": "79.5",
      "co2_ppm": "714"
    }
  },
  {
    "model": "app.reading",
    "pk": 512,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 28,
      "reading_at": "2026-04-15T21:30:00Z",
      "diurnal_swing_c": "-1.64",
      "free_run_c": "16.36",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.36",
      "humidity_pct": "80.7",
      "co2_ppm": "680"
    }
  },
  {
    "model": "app.reading",
    "pk": 513,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 32,
      "reading_at": "2026-04-14T23:30:00Z",
      "diurnal_swing_c": "-3.94",
      "free_run_c": "18.56",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.56",
      "humidity_pct": "83.1",
      "co2_ppm": "707"
    }
  },
  {
    "model": "app.reading",
    "pk": 514,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 27,
      "reading_at": "2026-04-16T21:00:00Z",
      "diurnal_swing_c": "-1.20",
      "free_run_c": "24.30",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.30",
      "humidity_pct": "76.7",
      "co2_ppm": "638"
    }
  },
  {
    "model": "app.reading",
    "pk": 515,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 34,
      "reading_at": "2026-04-16T00:30:00Z",
      "diurnal_swing_c": "-4.75",
      "free_run_c": "14.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.75",
      "humidity_pct": "85.7",
      "co2_ppm": "765"
    }
  },
  {
    "model": "app.reading",
    "pk": 516,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 28,
      "reading_at": "2026-04-15T21:30:00Z",
      "diurnal_swing_c": "-2.70",
      "free_run_c": "18.30",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.30",
      "humidity_pct": "77.3",
      "co2_ppm": "654"
    }
  },
  {
    "model": "app.reading",
    "pk": 517,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 25,
      "reading_at": "2026-04-14T20:00:00Z",
      "diurnal_swing_c": "0.09",
      "free_run_c": "24.09",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.09",
      "humidity_pct": "71.9",
      "co2_ppm": "564"
    }
  },
  {
    "model": "app.reading",
    "pk": 518,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 26,
      "reading_at": "2026-04-14T20:30:00Z",
      "diurnal_swing_c": "-0.88",
      "free_run_c": "23.12",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.12",
      "humidity_pct": "70.5",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 519,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 37,
      "reading_at": "2026-04-17T02:00:00Z",
      "diurnal_swing_c": "-5.43",
      "free_run_c": "18.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.57",
      "humidity_pct": "90.7",
      "co2_ppm": "797"
    }
  },
  {
    "model": "app.reading",
    "pk": 520,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 28,
      "reading_at": "2026-04-16T21:30:00Z",
      "diurnal_swing_c": "-2.56",
      "free_run_c": "22.94",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.94",
      "humidity_pct": "77.5",
      "co2_ppm": "632"
    }
  },
  {
    "model": "app.reading",
    "pk": 521,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 27,
      "reading_at": "2026-04-14T21:00:00Z",
      "diurnal_swing_c": "-1.12",
      "free_run_c": "22.88",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.88",
      "humidity_pct": "76.2",
      "co2_ppm": "658"
    }
  },
  {
    "model": "app.reading",
    "pk": 522,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 33,
      "reading_at": "2026-04-15T00:00:00Z",
      "diurnal_swing_c": "-4.61",
      "free_run_c": "17.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.89",
      "humidity_pct": "88.3",
      "co2_ppm": "743"
    }
  },
  {
    "model": "app.reading",
    "pk": 523,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 24,
      "reading_at": "2026-04-16T19:30:00Z",
      "diurnal_swing_c": "0.25",
      "free_run_c": "22.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.75",
      "humidity_pct": "69.3",
      "co2_ppm": "591"
    }
  },
  {
    "model": "app.reading",
    "pk": 524,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 34,
      "reading_at": "2026-04-15T00:30:00Z",
      "diurnal_swing_c": "-5.19",
      "free_run_c": "17.31",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.31",
      "humidity_pct": "80.5",
      "co2_ppm": "784"
    }
  },
  {
    "model": "app.reading",
    "pk": 525,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 27,
      "reading_at": "2026-04-14T21:00:00Z",
      "diurnal_swing_c": "-1.52",
      "free_run_c": "20.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.48",
      "humidity_pct": "74.5",
      "co2_ppm": "632"
    }
  },
  {
    "model": "app.reading",
    "pk": 526,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 25,
      "reading_at": "2026-04-16T20:00:00Z",
      "diurnal_swing_c": "0.19",
      "free_run_c": "22.69",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.69",
      "humidity_pct": "75.8",
      "co2_ppm": "607"
    }
  },
  {
    "model": "app.reading",
    "pk": 527,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 29,
      "reading_at": "2026-04-15T22:00:00Z",
      "diurnal_swing_c": "-2.64",
      "free_run_c": "18.36",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.36",
      "humidity_pct": "80.4",
      "co2_ppm": "678"
    }
  },
  {
    "model": "app.reading",
    "pk": 528,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 28,
      "reading_at": "2026-04-14T21:30:00Z",
      "diurnal_swing_c": "-2.28",
      "free_run_c": "20.72",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.72",
      "humidity_pct": "78.2",
      "co2_ppm": "652"
    }
  },
  {
    "model": "app.reading",
    "pk": 529,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 26,
      "reading_at": "2026-04-16T20:30:00Z",
      "diurnal_swing_c": "-0.98",
      "free_run_c": "21.52",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.52",
      "humidity_pct": "73.5",
      "co2_ppm": "629"
    }
  },
  {
    "model": "app.reading",
    "pk": 530,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 23,
      "reading_at": "2026-04-16T19:00:00Z",
      "diurnal_swing_c": "1.17",
      "free_run_c": "25.67",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.67",
      "humidity_pct": "71.2",
      "co2_ppm": "536"
    }
  },
  {
    "model": "app.reading",
    "pk": 531,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 31,
      "reading_at": "2026-04-15T23:00:00Z",
      "diurnal_swing_c": "-3.48",
      "free_run_c": "16.52",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.52",
      "humidity_pct": "79.4",
      "co2_ppm": "737"
    }
  },
  {
    "model": "app.reading",
    "pk": 532,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 28,
      "reading_at": "2026-04-14T21:30:00Z",
      "diurnal_swing_c": "-2.04",
      "free_run_c": "19.96",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.96",
      "humidity_pct": "78.3",
      "co2_ppm": "620"
    }
  },
  {
    "model": "app.reading",
    "pk": 533,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 36,
      "reading_at": "2026-04-16T01:30:00Z",
      "diurnal_swing_c": "-5.79",
      "free_run_c": "13.21",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.21",
      "humidity_pct": "85.3",
      "co2_ppm": "761"
    }
  },
  {
    "model": "app.reading",
    "pk": 534,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 33,
      "reading_at": "2026-04-16T00:00:00Z",
      "diurnal_swing_c": "-4.78",
      "free_run_c": "14.22",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.22",
      "humidity_pct": "84.7",
      "co2_ppm": "751"
    }
  },
  {
    "model": "app.reading",
    "pk": 535,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 35,
      "reading_at": "2026-04-16T01:00:00Z",
      "diurnal_swing_c": "-5.72",
      "free_run_c": "13.78",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.78",
      "humidity_pct": "89.6",
      "co2_ppm": "788"
    }
  },
  {
    "model": "app.reading",
    "pk": 536,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 29,
      "reading_at": "2026-04-15T22:00:00Z",
      "diurnal_swing_c": "-2.83",
      "free_run_c": "15.17",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.17",
      "humidity_pct": "80.8",
      "co2_ppm": "677"
    }
  },
  {
    "model": "app.reading",
    "pk": 537,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 32,
      "reading_at": "2026-04-15T23:30:00Z",
      "diurnal_swing_c": "-4.93",
      "free_run_c": "15.07",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.07",
      "humidity_pct": "81.6",
      "co2_ppm": "730"
    }
  },
  {
    "model": "app.reading",
    "pk": 538,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 26,
      "reading_at": "2026-04-14T20:30:00Z",
      "diurnal_swing_c": "-0.60",
      "free_run_c": "20.40",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.40",
      "humidity_pct": "74.8",
      "co2_ppm": "636"
    }
  },
  {
    "model": "app.reading",
    "pk": 539,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 36,
      "reading_at": "2026-04-16T01:30:00Z",
      "diurnal_swing_c": "-5.81",
      "free_run_c": "13.69",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.69",
      "humidity_pct": "84.4",
      "co2_ppm": "756"
    }
  },
  {
    "model": "app.reading",
    "pk": 540,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 27,
      "reading_at": "2026-04-16T21:00:00Z",
      "diurnal_swing_c": "-1.26",
      "free_run_c": "21.24",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.24",
      "humidity_pct": "76.4",
      "co2_ppm": "661"
    }
  },
  {
    "model": "app.reading",
    "pk": 541,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 35,
      "reading_at": "2026-04-15T01:00:00Z",
      "diurnal_swing_c": "-5.72",
      "free_run_c": "16.78",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.78",
      "humidity_pct": "85.2",
      "co2_ppm": "766"
    }
  },
  {
    "model": "app.reading",
    "pk": 542,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 34,
      "reading_at": "2026-04-16T00:30:00Z",
      "diurnal_swing_c": "-4.93",
      "free_run_c": "14.07",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.07",
      "humidity_pct": "83.5",
      "co2_ppm": "789"
    }
  },
  {
    "model": "app.reading",
    "pk": 543,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 37,
      "reading_at": "2026-04-16T02:00:00Z",
      "diurnal_swing_c": "-5.33",
      "free_run_c": "13.67",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.67",
      "humidity_pct": "85.1",
      "co2_ppm": "775"
    }
  },
  {
    "model": "app.reading",
    "pk": 544,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 32,
      "reading_at": "2026-04-16T23:30:00Z",
      "diurnal_swing_c": "-4.22",
      "free_run_c": "19.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.28",
      "humidity_pct": "84.0",
      "co2_ppm": "728"
    }
  },
  {
    "model": "app.reading",
    "pk": 545,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 38,
      "reading_at": "2026-04-16T02:30:00Z",
      "diurnal_swing_c": "-4.98",
      "free_run_c": "14.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.02",
      "humidity_pct": "85.1",
      "co2_ppm": "765"
    }
  },
  {
    "model": "app.reading",
    "pk": 546,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 30,
      "reading_at": "2026-04-14T22:30:00Z",
      "diurnal_swing_c": "-3.99",
      "free_run_c": "18.01",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.01",
      "humidity_pct": "84.6",
      "co2_ppm": "707"
    }
  },
  {
    "model": "app.reading",
    "pk": 547,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 33,
      "reading_at": "2026-04-16T00:00:00Z",
      "diurnal_swing_c": "-4.32",
      "free_run_c": "15.68",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.68",
      "humidity_pct": "80.8",
      "co2_ppm": "757"
    }
  },
  {
    "model": "app.reading",
    "pk": 548,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 34,
      "reading_at": "2026-04-16T00:30:00Z",
      "diurnal_swing_c": "-5.07",
      "free_run_c": "14.93",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.93",
      "humidity_pct": "86.2",
      "co2_ppm": "773"
    }
  },
  {
    "model": "app.reading",
    "pk": 549,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 27,
      "reading_at": "2026-04-14T21:00:00Z",
      "diurnal_swing_c": "-1.61",
      "free_run_c": "19.39",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.39",
      "humidity_pct": null,
      "co2_ppm": "652"
    }
  },
  {
    "model": "app.reading",
    "pk": 550,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 24,
      "reading_at": "2026-04-16T19:30:00Z",
      "diurnal_swing_c": "1.02",
      "free_run_c": "25.52",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "25.52",
      "humidity_pct": "72.4",
      "co2_ppm": "534"
    }
  },
  {
    "model": "app.reading",
    "pk": 551,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 28,
      "reading_at": "2026-04-14T21:30:00Z",
      "diurnal_swing_c": "-2.38",
      "free_run_c": "21.62",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.62",
      "humidity_pct": "78.7",
      "co2_ppm": "674"
    }
  },
  {
    "model": "app.reading",
    "pk": 552,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 38,
      "reading_at": "2026-04-17T02:30:00Z",
      "diurnal_swing_c": "-5.74",
      "free_run_c": "18.26",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.26",
      "humidity_pct": "85.0",
      "co2_ppm": "785"
    }
  },
  {
    "model": "app.reading",
    "pk": 553,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 29,
      "reading_at": "2026-04-14T22:00:00Z",
      "diurnal_swing_c": "-2.58",
      "free_run_c": "21.42",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.42",
      "humidity_pct": "79.8",
      "co2_ppm": "704"
    }
  },
  {
    "model": "app.reading",
    "pk": 554,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 30,
      "reading_at": "2026-04-15T22:30:00Z",
      "diurnal_swing_c": "-3.76",
      "free_run_c": "14.24",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.24",
      "humidity_pct": "80.2",
      "co2_ppm": "706"
    }
  },
  {
    "model": "app.reading",
    "pk": 555,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 39,
      "reading_at": "2026-04-16T03:00:00Z",
      "diurnal_swing_c": "-5.59",
      "free_run_c": "13.41",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.41",
      "humidity_pct": "85.1",
      "co2_ppm": "751"
    }
  },
  {
    "model": "app.reading",
    "pk": 556,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 37,
      "reading_at": "2026-04-16T02:00:00Z",
      "diurnal_swing_c": "-5.41",
      "free_run_c": "14.09",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.09",
      "humidity_pct": "86.7",
      "co2_ppm": "782"
    }
  },
  {
    "model": "app.reading",
    "pk": 557,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 30,
      "reading_at": "2026-04-15T22:30:00Z",
      "diurnal_swing_c": "-3.52",
      "free_run_c": "17.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.48",
      "humidity_pct": "80.5",
      "co2_ppm": "680"
    }
  },
  {
    "model": "app.reading",
    "pk": 558,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 29,
      "reading_at": "2026-04-14T22:00:00Z",
      "diurnal_swing_c": "-2.90",
      "free_run_c": "19.10",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.10",
      "humidity_pct": "78.5",
      "co2_ppm": "699"
    }
  },
  {
    "model": "app.reading",
    "pk": 559,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 28,
      "reading_at": "2026-04-16T21:30:00Z",
      "diurnal_swing_c": "-1.93",
      "free_run_c": "20.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.57",
      "humidity_pct": "75.2",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 560,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 29,
      "reading_at": "2026-04-14T22:00:00Z",
      "diurnal_swing_c": "-2.36",
      "free_run_c": "20.64",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.64",
      "humidity_pct": "73.1",
      "co2_ppm": "707"
    }
  },
  {
    "model": "app.reading",
    "pk": 561,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 30,
      "reading_at": "2026-04-14T22:30:00Z",
      "diurnal_swing_c": "-3.52",
      "free_run_c": "18.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.48",
      "humidity_pct": "80.0",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 562,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 28,
      "reading_at": "2026-04-16T21:30:00Z",
      "diurnal_swing_c": "-2.71",
      "free_run_c": "20.79",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.79",
      "humidity_pct": "79.8",
      "co2_ppm": "660"
    }
  },
  {
    "model": "app.reading",
    "pk": 563,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 31,
      "reading_at": "2026-04-15T23:00:00Z",
      "diurnal_swing_c": "-3.57",
      "free_run_c": "17.43",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.43",
      "humidity_pct": "82.4",
      "co2_ppm": "711"
    }
  },
  {
    "model": "app.reading",
    "pk": 564,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 31,
      "reading_at": "2026-04-14T23:00:00Z",
      "diurnal_swing_c": "-4.04",
      "free_run_c": "17.96",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.96",
      "humidity_pct": "79.9",
      "co2_ppm": "722"
    }
  },
  {
    "model": "app.reading",
    "pk": 565,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 32,
      "reading_at": "2026-04-15T23:30:00Z",
      "diurnal_swing_c": "-4.52",
      "free_run_c": "16.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.48",
      "humidity_pct": "84.8",
      "co2_ppm": "704"
    }
  },
  {
    "model": "app.reading",
    "pk": 566,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 35,
      "reading_at": "2026-04-16T01:00:00Z",
      "diurnal_swing_c": "-5.87",
      "free_run_c": "13.13",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.13",
      "humidity_pct": "82.5",
      "co2_ppm": "775"
    }
  },
  {
    "model": "app.reading",
    "pk": 567,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 35,
      "reading_at": "2026-04-16T01:00:00Z",
      "diurnal_swing_c": "-5.14",
      "free_run_c": "14.86",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.86",
      "humidity_pct": "83.2",
      "co2_ppm": "784"
    }
  },
  {
    "model": "app.reading",
    "pk": 568,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 31,
      "reading_at": "2026-04-15T23:00:00Z",
      "diurnal_swing_c": "-3.67",
      "free_run_c": "14.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.33",
      "humidity_pct": "85.8",
      "co2_ppm": "706"
    }
  },
  {
    "model": "app.reading",
    "pk": 569,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 32,
      "reading_at": "2026-04-15T23:30:00Z",
      "diurnal_swing_c": "-4.91",
      "free_run_c": "13.09",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.09",
      "humidity_pct": "81.8",
      "co2_ppm": "776"
    }
  },
  {
    "model": "app.reading",
    "pk": 570,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 33,
      "reading_at": "2026-04-16T00:00:00Z",
      "diurnal_swing_c": "-4.42",
      "free_run_c": "13.58",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.58",
      "humidity_pct": "83.8",
      "co2_ppm": "775"
    }
  },
  {
    "model": "app.reading",
    "pk": 571,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 31,
      "reading_at": "2026-04-14T23:00:00Z",
      "diurnal_swing_c": "-3.95",
      "free_run_c": "18.05",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.05",
      "humidity_pct": "79.8",
      "co2_ppm": "717"
    }
  },
  {
    "model": "app.reading",
    "pk": 572,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 29,
      "reading_at": "2026-04-16T22:00:00Z",
      "diurnal_swing_c": "-2.75",
      "free_run_c": "19.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.75",
      "humidity_pct": "80.0",
      "co2_ppm": "708"
    }
  },
  {
    "model": "app.reading",
    "pk": 573,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 36,
      "reading_at": "2026-04-16T01:30:00Z",
      "diurnal_swing_c": "-5.50",
      "free_run_c": "14.50",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.50",
      "humidity_pct": "83.7",
      "co2_ppm": "789"
    }
  },
  {
    "model": "app.reading",
    "pk": 574,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 33,
      "reading_at": "2026-04-17T00:00:00Z",
      "diurnal_swing_c": "-4.82",
      "free_run_c": "18.68",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.68",
      "humidity_pct": "82.8",
      "co2_ppm": "765"
    }
  },
  {
    "model": "app.reading",
    "pk": 575,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 30,
      "reading_at": "2026-04-16T22:30:00Z",
      "diurnal_swing_c": "-3.15",
      "free_run_c": "19.35",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.35",
      "humidity_pct": "77.7",
      "co2_ppm": "692"
    }
  },
  {
    "model": "app.reading",
    "pk": 576,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 30,
      "reading_at": "2026-04-14T22:30:00Z",
      "diurnal_swing_c": "-3.39",
      "free_run_c": "19.61",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.61",
      "humidity_pct": "81.0",
      "co2_ppm": "698"
    }
  },
  {
    "model": "app.reading",
    "pk": 577,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 40,
      "reading_at": "2026-04-16T03:30:00Z",
      "diurnal_swing_c": "-4.70",
      "free_run_c": "14.30",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.30",
      "humidity_pct": "87.1",
      "co2_ppm": "726"
    }
  },
  {
    "model": "app.reading",
    "pk": 578,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 30,
      "reading_at": "2026-04-14T22:30:00Z",
      "diurnal_swing_c": "-3.32",
      "free_run_c": "20.68",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.68",
      "humidity_pct": "79.7",
      "co2_ppm": "702"
    }
  },
  {
    "model": "app.reading",
    "pk": 579,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 34,
      "reading_at": "2026-04-17T00:30:00Z",
      "diurnal_swing_c": "-4.76",
      "free_run_c": "18.74",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.74",
      "humidity_pct": "83.5",
      "co2_ppm": "739"
    }
  },
  {
    "model": "app.reading",
    "pk": 580,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 31,
      "reading_at": "2026-04-14T23:00:00Z",
      "diurnal_swing_c": "-3.63",
      "free_run_c": "19.37",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.37",
      "humidity_pct": "80.2",
      "co2_ppm": "726"
    }
  },
  {
    "model": "app.reading",
    "pk": 581,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 34,
      "reading_at": "2026-04-16T00:30:00Z",
      "diurnal_swing_c": "-4.88",
      "free_run_c": "13.12",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.12",
      "humidity_pct": "86.0",
      "co2_ppm": "754"
    }
  },
  {
    "model": "app.reading",
    "pk": 582,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 41,
      "reading_at": "2026-04-16T04:00:00Z",
      "diurnal_swing_c": "-4.33",
      "free_run_c": "14.67",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.67",
      "humidity_pct": "79.9",
      "co2_ppm": "787"
    }
  },
  {
    "model": "app.reading",
    "pk": 583,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 33,
      "reading_at": "2026-04-16T00:00:00Z",
      "diurnal_swing_c": "-4.48",
      "free_run_c": "16.52",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.52",
      "humidity_pct": "83.7",
      "co2_ppm": "767"
    }
  },
  {
    "model": "app.reading",
    "pk": 584,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 37,
      "reading_at": "2026-04-16T02:00:00Z",
      "diurnal_swing_c": "-5.60",
      "free_run_c": "14.40",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.40",
      "humidity_pct": "88.4",
      "co2_ppm": "792"
    }
  },
  {
    "model": "app.reading",
    "pk": 585,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 29,
      "reading_at": "2026-04-16T22:00:00Z",
      "diurnal_swing_c": "-2.57",
      "free_run_c": "20.93",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.93",
      "humidity_pct": "77.0",
      "co2_ppm": "685"
    }
  },
  {
    "model": "app.reading",
    "pk": 586,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 30,
      "reading_at": "2026-04-16T22:30:00Z",
      "diurnal_swing_c": "-3.75",
      "free_run_c": "19.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.75",
      "humidity_pct": "79.6",
      "co2_ppm": "702"
    }
  },
  {
    "model": "app.reading",
    "pk": 587,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 36,
      "reading_at": "2026-04-15T01:30:00Z",
      "diurnal_swing_c": "-4.80",
      "free_run_c": "17.70",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.70",
      "humidity_pct": "85.1",
      "co2_ppm": "777"
    }
  },
  {
    "model": "app.reading",
    "pk": 588,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 32,
      "reading_at": "2026-04-14T23:30:00Z",
      "diurnal_swing_c": "-4.43",
      "free_run_c": "17.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.57",
      "humidity_pct": "86.2",
      "co2_ppm": "750"
    }
  },
  {
    "model": "app.reading",
    "pk": 589,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 25,
      "reading_at": "2026-04-16T20:00:00Z",
      "diurnal_swing_c": "0.28",
      "free_run_c": "24.78",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.78",
      "humidity_pct": "69.2",
      "co2_ppm": "604"
    }
  },
  {
    "model": "app.reading",
    "pk": 590,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 28,
      "reading_at": "2026-04-14T21:30:00Z",
      "diurnal_swing_c": "-2.25",
      "free_run_c": "18.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.75",
      "humidity_pct": "79.4",
      "co2_ppm": "663"
    }
  },
  {
    "model": "app.reading",
    "pk": 591,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 36,
      "reading_at": "2026-04-16T01:30:00Z",
      "diurnal_swing_c": "-5.05",
      "free_run_c": "13.95",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.95",
      "humidity_pct": "86.1",
      "co2_ppm": "790"
    }
  },
  {
    "model": "app.reading",
    "pk": 592,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 26,
      "reading_at": "2026-04-16T20:30:00Z",
      "diurnal_swing_c": "-0.71",
      "free_run_c": "23.79",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.79",
      "humidity_pct": "78.7",
      "co2_ppm": "631"
    }
  },
  {
    "model": "app.reading",
    "pk": 593,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 31,
      "reading_at": "2026-04-16T23:00:00Z",
      "diurnal_swing_c": "-3.28",
      "free_run_c": "20.22",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.22",
      "humidity_pct": "81.0",
      "co2_ppm": "724"
    }
  },
  {
    "model": "app.reading",
    "pk": 594,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 29,
      "reading_at": "2026-04-14T22:00:00Z",
      "diurnal_swing_c": "-2.50",
      "free_run_c": "18.50",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.50",
      "humidity_pct": "78.1",
      "co2_ppm": "672"
    }
  },
  {
    "model": "app.reading",
    "pk": 595,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 29,
      "reading_at": "2026-04-16T22:00:00Z",
      "diurnal_swing_c": "-2.85",
      "free_run_c": "22.65",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.65",
      "humidity_pct": "81.3",
      "co2_ppm": "692"
    }
  },
  {
    "model": "app.reading",
    "pk": 596,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 38,
      "reading_at": "2026-04-16T02:30:00Z",
      "diurnal_swing_c": "-5.69",
      "free_run_c": "13.81",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.81",
      "humidity_pct": "88.8",
      "co2_ppm": "805"
    }
  },
  {
    "model": "app.reading",
    "pk": 597,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 31,
      "reading_at": "2026-04-14T23:00:00Z",
      "diurnal_swing_c": "-3.71",
      "free_run_c": "20.29",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.29",
      "humidity_pct": "80.4",
      "co2_ppm": "746"
    }
  },
  {
    "model": "app.reading",
    "pk": 598,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 32,
      "reading_at": "2026-04-14T23:30:00Z",
      "diurnal_swing_c": "-4.34",
      "free_run_c": "19.66",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.66",
      "humidity_pct": "80.7",
      "co2_ppm": "728"
    }
  },
  {
    "model": "app.reading",
    "pk": 599,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 27,
      "reading_at": "2026-04-16T21:00:00Z",
      "diurnal_swing_c": "-1.75",
      "free_run_c": "22.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.75",
      "humidity_pct": "76.7",
      "co2_ppm": "660"
    }
  },
  {
    "model": "app.reading",
    "pk": 600,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 31,
      "reading_at": "2026-04-16T23:00:00Z",
      "diurnal_swing_c": "-3.86",
      "free_run_c": "18.64",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.64",
      "humidity_pct": null,
      "co2_ppm": "723"
    }
  },
  {
    "model": "app.reading",
    "pk": 601,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 28,
      "reading_at": "2026-04-16T21:30:00Z",
      "diurnal_swing_c": "-1.96",
      "free_run_c": "22.54",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.54",
      "humidity_pct": "76.1",
      "co2_ppm": "689"
    }
  },
  {
    "model": "app.reading",
    "pk": 602,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 32,
      "reading_at": "2026-04-16T23:30:00Z",
      "diurnal_swing_c": "-4.41",
      "free_run_c": "19.09",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.09",
      "humidity_pct": "84.1",
      "co2_ppm": "762"
    }
  },
  {
    "model": "app.reading",
    "pk": 603,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 39,
      "reading_at": "2026-04-17T03:00:00Z",
      "diurnal_swing_c": "-5.98",
      "free_run_c": "18.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.02",
      "humidity_pct": "85.0",
      "co2_ppm": "792"
    }
  },
  {
    "model": "app.reading",
    "pk": 604,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 30,
      "reading_at": "2026-04-16T22:30:00Z",
      "diurnal_swing_c": "-3.78",
      "free_run_c": "21.72",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.72",
      "humidity_pct": "82.8",
      "co2_ppm": "758"
    }
  },
  {
    "model": "app.reading",
    "pk": 605,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 38,
      "reading_at": "2026-04-16T02:30:00Z",
      "diurnal_swing_c": "-5.19",
      "free_run_c": "14.81",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.81",
      "humidity_pct": "84.4",
      "co2_ppm": "781"
    }
  },
  {
    "model": "app.reading",
    "pk": 606,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 32,
      "reading_at": "2026-04-16T23:30:00Z",
      "diurnal_swing_c": "-4.39",
      "free_run_c": "18.11",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.11",
      "humidity_pct": "85.8",
      "co2_ppm": "737"
    }
  },
  {
    "model": "app.reading",
    "pk": 607,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 32,
      "reading_at": "2026-04-14T23:30:00Z",
      "diurnal_swing_c": "-4.33",
      "free_run_c": "18.67",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.67",
      "humidity_pct": "81.8",
      "co2_ppm": "735"
    }
  },
  {
    "model": "app.reading",
    "pk": 608,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 31,
      "reading_at": "2026-04-16T23:00:00Z",
      "diurnal_swing_c": "-3.87",
      "free_run_c": "21.63",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.63",
      "humidity_pct": "84.9",
      "co2_ppm": "722"
    }
  },
  {
    "model": "app.reading",
    "pk": 609,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 34,
      "reading_at": "2026-04-16T00:30:00Z",
      "diurnal_swing_c": "-5.18",
      "free_run_c": "15.82",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.82",
      "humidity_pct": "87.5",
      "co2_ppm": "757"
    }
  },
  {
    "model": "app.reading",
    "pk": 610,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 33,
      "reading_at": "2026-04-15T00:00:00Z",
      "diurnal_swing_c": "-4.41",
      "free_run_c": "17.59",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.59",
      "humidity_pct": "80.5",
      "co2_ppm": "749"
    }
  },
  {
    "model": "app.reading",
    "pk": 611,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 29,
      "reading_at": "2026-04-16T22:00:00Z",
      "diurnal_swing_c": "-3.01",
      "free_run_c": "21.49",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.49",
      "humidity_pct": "80.2",
      "co2_ppm": "704"
    }
  },
  {
    "model": "app.reading",
    "pk": 612,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 42,
      "reading_at": "2026-04-16T04:30:00Z",
      "diurnal_swing_c": "-4.14",
      "free_run_c": "14.86",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.86",
      "humidity_pct": "81.8",
      "co2_ppm": "756"
    }
  },
  {
    "model": "app.reading",
    "pk": 613,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 43,
      "reading_at": "2026-04-16T05:00:00Z",
      "diurnal_swing_c": "-3.72",
      "free_run_c": "15.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.28",
      "humidity_pct": "83.1",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 614,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 40,
      "reading_at": "2026-04-17T03:30:00Z",
      "diurnal_swing_c": "-5.34",
      "free_run_c": "18.66",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.66",
      "humidity_pct": "86.6",
      "co2_ppm": "744"
    }
  },
  {
    "model": "app.reading",
    "pk": 615,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 30,
      "reading_at": "2026-04-14T22:30:00Z",
      "diurnal_swing_c": "-3.69",
      "free_run_c": "17.31",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.31",
      "humidity_pct": "80.4",
      "co2_ppm": "682"
    }
  },
  {
    "model": "app.reading",
    "pk": 616,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 39,
      "reading_at": "2026-04-16T03:00:00Z",
      "diurnal_swing_c": "-5.48",
      "free_run_c": "14.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.02",
      "humidity_pct": "85.8",
      "co2_ppm": "777"
    }
  },
  {
    "model": "app.reading",
    "pk": 617,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 37,
      "reading_at": "2026-04-16T02:00:00Z",
      "diurnal_swing_c": "-5.55",
      "free_run_c": "13.45",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.45",
      "humidity_pct": "88.4",
      "co2_ppm": "780"
    }
  },
  {
    "model": "app.reading",
    "pk": 618,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 30,
      "reading_at": "2026-04-16T22:30:00Z",
      "diurnal_swing_c": "-3.25",
      "free_run_c": "21.25",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.25",
      "humidity_pct": "80.8",
      "co2_ppm": "697"
    }
  },
  {
    "model": "app.reading",
    "pk": 619,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 33,
      "reading_at": "2026-04-15T00:00:00Z",
      "diurnal_swing_c": "-4.88",
      "free_run_c": "19.12",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.12",
      "humidity_pct": "89.7",
      "co2_ppm": "743"
    }
  },
  {
    "model": "app.reading",
    "pk": 620,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 35,
      "reading_at": "2026-04-16T01:00:00Z",
      "diurnal_swing_c": "-4.96",
      "free_run_c": "13.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.04",
      "humidity_pct": "77.9",
      "co2_ppm": "767"
    }
  },
  {
    "model": "app.reading",
    "pk": 621,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 33,
      "reading_at": "2026-04-17T00:00:00Z",
      "diurnal_swing_c": "-5.12",
      "free_run_c": "18.38",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.38",
      "humidity_pct": "82.2",
      "co2_ppm": "748"
    }
  },
  {
    "model": "app.reading",
    "pk": 622,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 34,
      "reading_at": "2026-04-15T00:30:00Z",
      "diurnal_swing_c": "-4.48",
      "free_run_c": "17.52",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.52",
      "humidity_pct": "82.4",
      "co2_ppm": "761"
    }
  },
  {
    "model": "app.reading",
    "pk": 623,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 31,
      "reading_at": "2026-04-14T23:00:00Z",
      "diurnal_swing_c": "-3.69",
      "free_run_c": "17.31",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.31",
      "humidity_pct": "81.2",
      "co2_ppm": "714"
    }
  },
  {
    "model": "app.reading",
    "pk": 624,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 31,
      "reading_at": "2026-04-16T23:00:00Z",
      "diurnal_swing_c": "-3.72",
      "free_run_c": "20.78",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.78",
      "humidity_pct": "79.6",
      "co2_ppm": "745"
    }
  },
  {
    "model": "app.reading",
    "pk": 625,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 32,
      "reading_at": "2026-04-14T23:30:00Z",
      "diurnal_swing_c": "-3.44",
      "free_run_c": "17.56",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.56",
      "humidity_pct": "81.3",
      "co2_ppm": "733"
    }
  },
  {
    "model": "app.reading",
    "pk": 626,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 33,
      "reading_at": "2026-04-15T00:00:00Z",
      "diurnal_swing_c": "-4.69",
      "free_run_c": "16.31",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.31",
      "humidity_pct": "85.4",
      "co2_ppm": "753"
    }
  },
  {
    "model": "app.reading",
    "pk": 627,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 34,
      "reading_at": "2026-04-15T00:30:00Z",
      "diurnal_swing_c": "-4.70",
      "free_run_c": "16.30",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.30",
      "humidity_pct": "84.0",
      "co2_ppm": "752"
    }
  },
  {
    "model": "app.reading",
    "pk": 628,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 36,
      "reading_at": "2026-04-16T01:30:00Z",
      "diurnal_swing_c": "-5.97",
      "free_run_c": "12.03",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "12.03",
      "humidity_pct": "86.4",
      "co2_ppm": "791"
    }
  },
  {
    "model": "app.reading",
    "pk": 629,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 32,
      "reading_at": "2026-04-14T23:30:00Z",
      "diurnal_swing_c": "-4.73",
      "free_run_c": "17.27",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.27",
      "humidity_pct": "84.0",
      "co2_ppm": "741"
    }
  },
  {
    "model": "app.reading",
    "pk": 630,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 35,
      "reading_at": "2026-04-17T01:00:00Z",
      "diurnal_swing_c": "-5.05",
      "free_run_c": "18.45",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.45",
      "humidity_pct": "86.9",
      "co2_ppm": "801"
    }
  },
  {
    "model": "app.reading",
    "pk": 631,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 34,
      "reading_at": "2026-04-17T00:30:00Z",
      "diurnal_swing_c": "-4.73",
      "free_run_c": "18.77",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.77",
      "humidity_pct": "82.0",
      "co2_ppm": "736"
    }
  },
  {
    "model": "app.reading",
    "pk": 632,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 33,
      "reading_at": "2026-04-15T00:00:00Z",
      "diurnal_swing_c": "-4.44",
      "free_run_c": "18.56",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.56",
      "humidity_pct": "82.4",
      "co2_ppm": "766"
    }
  },
  {
    "model": "app.reading",
    "pk": 633,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 34,
      "reading_at": "2026-04-15T00:30:00Z",
      "diurnal_swing_c": "-5.29",
      "free_run_c": "17.71",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.71",
      "humidity_pct": "84.0",
      "co2_ppm": "737"
    }
  },
  {
    "model": "app.reading",
    "pk": 634,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 32,
      "reading_at": "2026-04-16T23:30:00Z",
      "diurnal_swing_c": "-3.93",
      "free_run_c": "20.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.57",
      "humidity_pct": "81.7",
      "co2_ppm": "726"
    }
  },
  {
    "model": "app.reading",
    "pk": 635,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 39,
      "reading_at": "2026-04-16T03:00:00Z",
      "diurnal_swing_c": "-5.71",
      "free_run_c": "14.29",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.29",
      "humidity_pct": "84.7",
      "co2_ppm": "745"
    }
  },
  {
    "model": "app.reading",
    "pk": 636,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 36,
      "reading_at": "2026-04-17T01:30:00Z",
      "diurnal_swing_c": "-5.35",
      "free_run_c": "18.15",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.15",
      "humidity_pct": "86.1",
      "co2_ppm": "738"
    }
  },
  {
    "model": "app.reading",
    "pk": 637,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 34,
      "reading_at": "2026-04-15T00:30:00Z",
      "diurnal_swing_c": "-5.22",
      "free_run_c": "18.78",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.78",
      "humidity_pct": "85.9",
      "co2_ppm": "784"
    }
  },
  {
    "model": "app.reading",
    "pk": 638,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 35,
      "reading_at": "2026-04-15T01:00:00Z",
      "diurnal_swing_c": "-5.74",
      "free_run_c": "16.26",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.26",
      "humidity_pct": "86.9",
      "co2_ppm": "775"
    }
  },
  {
    "model": "app.reading",
    "pk": 639,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 35,
      "reading_at": "2026-04-16T01:00:00Z",
      "diurnal_swing_c": "-4.93",
      "free_run_c": "16.07",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.07",
      "humidity_pct": "85.3",
      "co2_ppm": "777"
    }
  },
  {
    "model": "app.reading",
    "pk": 640,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 33,
      "reading_at": "2026-04-15T00:00:00Z",
      "diurnal_swing_c": "-4.50",
      "free_run_c": "17.50",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.50",
      "humidity_pct": "82.7",
      "co2_ppm": "750"
    }
  },
  {
    "model": "app.reading",
    "pk": 641,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 33,
      "reading_at": "2026-04-17T00:00:00Z",
      "diurnal_swing_c": "-4.66",
      "free_run_c": "19.84",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.84",
      "humidity_pct": "80.7",
      "co2_ppm": "780"
    }
  },
  {
    "model": "app.reading",
    "pk": 642,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 35,
      "reading_at": "2026-04-15T01:00:00Z",
      "diurnal_swing_c": "-5.56",
      "free_run_c": "17.44",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.44",
      "humidity_pct": "84.9",
      "co2_ppm": "756"
    }
  },
  {
    "model": "app.reading",
    "pk": 643,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 33,
      "reading_at": "2026-04-17T00:00:00Z",
      "diurnal_swing_c": "-5.02",
      "free_run_c": "17.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.48",
      "humidity_pct": "81.9",
      "co2_ppm": "754"
    }
  },
  {
    "model": "app.reading",
    "pk": 644,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 34,
      "reading_at": "2026-04-15T00:30:00Z",
      "diurnal_swing_c": "-4.55",
      "free_run_c": "17.45",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.45",
      "humidity_pct": "88.7",
      "co2_ppm": "775"
    }
  },
  {
    "model": "app.reading",
    "pk": 645,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 36,
      "reading_at": "2026-04-15T01:30:00Z",
      "diurnal_swing_c": "-5.40",
      "free_run_c": "16.60",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.60",
      "humidity_pct": "86.3",
      "co2_ppm": "764"
    }
  },
  {
    "model": "app.reading",
    "pk": 646,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 40,
      "reading_at": "2026-04-16T03:30:00Z",
      "diurnal_swing_c": "-5.18",
      "free_run_c": "14.32",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.32",
      "humidity_pct": "87.3",
      "co2_ppm": "776"
    }
  },
  {
    "model": "app.reading",
    "pk": 647,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 34,
      "reading_at": "2026-04-17T00:30:00Z",
      "diurnal_swing_c": "-5.58",
      "free_run_c": "16.92",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.92",
      "humidity_pct": "84.8",
      "co2_ppm": "760"
    }
  },
  {
    "model": "app.reading",
    "pk": 648,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 44,
      "reading_at": "2026-04-16T05:30:00Z",
      "diurnal_swing_c": "-3.06",
      "free_run_c": "15.94",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.94",
      "humidity_pct": "82.3",
      "co2_ppm": "716"
    }
  },
  {
    "model": "app.reading",
    "pk": 649,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 37,
      "reading_at": "2026-04-15T02:00:00Z",
      "diurnal_swing_c": "-5.16",
      "free_run_c": "17.34",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.34",
      "humidity_pct": "87.6",
      "co2_ppm": "746"
    }
  },
  {
    "model": "app.reading",
    "pk": 650,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 36,
      "reading_at": "2026-04-15T01:30:00Z",
      "diurnal_swing_c": "-5.19",
      "free_run_c": "17.81",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.81",
      "humidity_pct": "86.9",
      "co2_ppm": "772"
    }
  },
  {
    "model": "app.reading",
    "pk": 651,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 40,
      "reading_at": "2026-04-16T03:30:00Z",
      "diurnal_swing_c": "-5.22",
      "free_run_c": "14.78",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.78",
      "humidity_pct": "87.1",
      "co2_ppm": "775"
    }
  },
  {
    "model": "app.reading",
    "pk": 652,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 32,
      "reading_at": "2026-04-16T23:30:00Z",
      "diurnal_swing_c": "-4.37",
      "free_run_c": "21.13",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.13",
      "humidity_pct": "85.1",
      "co2_ppm": "750"
    }
  },
  {
    "model": "app.reading",
    "pk": 653,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 33,
      "reading_at": "2026-04-17T00:00:00Z",
      "diurnal_swing_c": "-4.62",
      "free_run_c": "20.88",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.88",
      "humidity_pct": "86.2",
      "co2_ppm": "779"
    }
  },
  {
    "model": "app.reading",
    "pk": 654,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 34,
      "reading_at": "2026-04-17T00:30:00Z",
      "diurnal_swing_c": "-5.07",
      "free_run_c": "19.43",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.43",
      "humidity_pct": "86.2",
      "co2_ppm": "759"
    }
  },
  {
    "model": "app.reading",
    "pk": 655,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 41,
      "reading_at": "2026-04-17T04:00:00Z",
      "diurnal_swing_c": "-4.65",
      "free_run_c": "19.35",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.35",
      "humidity_pct": "82.6",
      "co2_ppm": "720"
    }
  },
  {
    "model": "app.reading",
    "pk": 656,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 35,
      "reading_at": "2026-04-17T01:00:00Z",
      "diurnal_swing_c": "-5.78",
      "free_run_c": "16.72",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.72",
      "humidity_pct": "85.4",
      "co2_ppm": "796"
    }
  },
  {
    "model": "app.reading",
    "pk": 657,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 35,
      "reading_at": "2026-04-15T01:00:00Z",
      "diurnal_swing_c": "-5.34",
      "free_run_c": "18.66",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.66",
      "humidity_pct": "84.8",
      "co2_ppm": "798"
    }
  },
  {
    "model": "app.reading",
    "pk": 658,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 37,
      "reading_at": "2026-04-15T02:00:00Z",
      "diurnal_swing_c": "-5.00",
      "free_run_c": "17.00",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.00",
      "humidity_pct": "86.0",
      "co2_ppm": "792"
    }
  },
  {
    "model": "app.reading",
    "pk": 659,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 38,
      "reading_at": "2026-04-16T02:30:00Z",
      "diurnal_swing_c": "-5.64",
      "free_run_c": "13.36",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.36",
      "humidity_pct": "86.5",
      "co2_ppm": "782"
    }
  },
  {
    "model": "app.reading",
    "pk": 660,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 35,
      "reading_at": "2026-04-17T01:00:00Z",
      "diurnal_swing_c": "-4.83",
      "free_run_c": "18.67",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.67",
      "humidity_pct": "84.6",
      "co2_ppm": "818"
    }
  },
  {
    "model": "app.reading",
    "pk": 661,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 36,
      "reading_at": "2026-04-15T01:30:00Z",
      "diurnal_swing_c": "-4.96",
      "free_run_c": "19.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.04",
      "humidity_pct": "85.2",
      "co2_ppm": "794"
    }
  },
  {
    "model": "app.reading",
    "pk": 662,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 35,
      "reading_at": "2026-04-17T01:00:00Z",
      "diurnal_swing_c": "-5.00",
      "free_run_c": "19.50",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.50",
      "humidity_pct": "84.1",
      "co2_ppm": "795"
    }
  },
  {
    "model": "app.reading",
    "pk": 663,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 38,
      "reading_at": "2026-04-15T02:30:00Z",
      "diurnal_swing_c": "-5.56",
      "free_run_c": "16.44",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.44",
      "humidity_pct": "87.8",
      "co2_ppm": "792"
    }
  },
  {
    "model": "app.reading",
    "pk": 664,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 37,
      "reading_at": "2026-04-17T02:00:00Z",
      "diurnal_swing_c": "-5.17",
      "free_run_c": "18.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.33",
      "humidity_pct": "83.3",
      "co2_ppm": "769"
    }
  },
  {
    "model": "app.reading",
    "pk": 665,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 35,
      "reading_at": "2026-04-15T01:00:00Z",
      "diurnal_swing_c": "-5.44",
      "free_run_c": "16.56",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.56",
      "humidity_pct": "85.4",
      "co2_ppm": "769"
    }
  },
  {
    "model": "app.reading",
    "pk": 666,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 36,
      "reading_at": "2026-04-16T01:30:00Z",
      "diurnal_swing_c": "-5.50",
      "free_run_c": "15.50",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.50",
      "humidity_pct": "87.5",
      "co2_ppm": "783"
    }
  },
  {
    "model": "app.reading",
    "pk": 667,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 37,
      "reading_at": "2026-04-16T02:00:00Z",
      "diurnal_swing_c": "-6.03",
      "free_run_c": "11.97",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "11.97",
      "humidity_pct": "87.8",
      "co2_ppm": "818"
    }
  },
  {
    "model": "app.reading",
    "pk": 668,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 35,
      "reading_at": "2026-04-15T01:00:00Z",
      "diurnal_swing_c": "-4.79",
      "free_run_c": "16.21",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.21",
      "humidity_pct": "86.2",
      "co2_ppm": "780"
    }
  },
  {
    "model": "app.reading",
    "pk": 669,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 37,
      "reading_at": "2026-04-15T02:00:00Z",
      "diurnal_swing_c": "-5.06",
      "free_run_c": "17.94",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.94",
      "humidity_pct": "83.5",
      "co2_ppm": "807"
    }
  },
  {
    "model": "app.reading",
    "pk": 670,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 38,
      "reading_at": "2026-04-16T02:30:00Z",
      "diurnal_swing_c": "-5.24",
      "free_run_c": "12.76",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "12.76",
      "humidity_pct": "89.6",
      "co2_ppm": "778"
    }
  },
  {
    "model": "app.reading",
    "pk": 671,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 38,
      "reading_at": "2026-04-17T02:30:00Z",
      "diurnal_swing_c": "-6.07",
      "free_run_c": "17.43",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.43",
      "humidity_pct": "88.4",
      "co2_ppm": "746"
    }
  },
  {
    "model": "app.reading",
    "pk": 672,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 36,
      "reading_at": "2026-04-17T01:30:00Z",
      "diurnal_swing_c": "-4.75",
      "free_run_c": "18.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.75",
      "humidity_pct": "84.6",
      "co2_ppm": "765"
    }
  },
  {
    "model": "app.reading",
    "pk": 673,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 36,
      "reading_at": "2026-04-17T01:30:00Z",
      "diurnal_swing_c": "-6.06",
      "free_run_c": "16.44",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.44",
      "humidity_pct": "86.1",
      "co2_ppm": "792"
    }
  },
  {
    "model": "app.reading",
    "pk": 674,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 39,
      "reading_at": "2026-04-17T03:00:00Z",
      "diurnal_swing_c": "-5.27",
      "free_run_c": "18.23",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.23",
      "humidity_pct": "87.8",
      "co2_ppm": "739"
    }
  },
  {
    "model": "app.reading",
    "pk": 675,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 38,
      "reading_at": "2026-04-15T02:30:00Z",
      "diurnal_swing_c": "-5.96",
      "free_run_c": "17.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.04",
      "humidity_pct": "87.1",
      "co2_ppm": "743"
    }
  },
  {
    "model": "app.reading",
    "pk": 676,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 37,
      "reading_at": "2026-04-17T02:00:00Z",
      "diurnal_swing_c": "-5.38",
      "free_run_c": "17.12",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.12",
      "humidity_pct": "86.0",
      "co2_ppm": "781"
    }
  },
  {
    "model": "app.reading",
    "pk": 677,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 40,
      "reading_at": "2026-04-17T03:30:00Z",
      "diurnal_swing_c": "-4.55",
      "free_run_c": "18.95",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.95",
      "humidity_pct": "80.1",
      "co2_ppm": "771"
    }
  },
  {
    "model": "app.reading",
    "pk": 678,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 39,
      "reading_at": "2026-04-16T03:00:00Z",
      "diurnal_swing_c": "-5.68",
      "free_run_c": "13.32",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.32",
      "humidity_pct": "84.6",
      "co2_ppm": "800"
    }
  },
  {
    "model": "app.reading",
    "pk": 679,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 41,
      "reading_at": "2026-04-16T04:00:00Z",
      "diurnal_swing_c": "-4.99",
      "free_run_c": "15.01",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.01",
      "humidity_pct": "85.2",
      "co2_ppm": "777"
    }
  },
  {
    "model": "app.reading",
    "pk": 680,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 39,
      "reading_at": "2026-04-16T03:00:00Z",
      "diurnal_swing_c": "-5.72",
      "free_run_c": "12.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "12.28",
      "humidity_pct": "89.9",
      "co2_ppm": "798"
    }
  },
  {
    "model": "app.reading",
    "pk": 681,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 34,
      "reading_at": "2026-04-17T00:30:00Z",
      "diurnal_swing_c": "-4.44",
      "free_run_c": "21.06",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.06",
      "humidity_pct": "85.5",
      "co2_ppm": "769"
    }
  },
  {
    "model": "app.reading",
    "pk": 682,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 38,
      "reading_at": "2026-04-17T02:30:00Z",
      "diurnal_swing_c": "-5.75",
      "free_run_c": "16.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.75",
      "humidity_pct": "85.6",
      "co2_ppm": "794"
    }
  },
  {
    "model": "app.reading",
    "pk": 683,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 37,
      "reading_at": "2026-04-16T02:00:00Z",
      "diurnal_swing_c": "-5.64",
      "free_run_c": "15.36",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.36",
      "humidity_pct": "86.4",
      "co2_ppm": "755"
    }
  },
  {
    "model": "app.reading",
    "pk": 684,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 35,
      "reading_at": "2026-04-17T01:00:00Z",
      "diurnal_swing_c": "-6.05",
      "free_run_c": "19.45",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.45",
      "humidity_pct": "85.1",
      "co2_ppm": "756"
    }
  },
  {
    "model": "app.reading",
    "pk": 685,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 37,
      "reading_at": "2026-04-17T02:00:00Z",
      "diurnal_swing_c": "-5.52",
      "free_run_c": "17.98",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.98",
      "humidity_pct": "80.4",
      "co2_ppm": "759"
    }
  },
  {
    "model": "app.reading",
    "pk": 686,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 36,
      "reading_at": "2026-04-17T01:30:00Z",
      "diurnal_swing_c": "-5.55",
      "free_run_c": "18.95",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.95",
      "humidity_pct": "84.9",
      "co2_ppm": "759"
    }
  },
  {
    "model": "app.reading",
    "pk": 687,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 36,
      "reading_at": "2026-04-15T01:30:00Z",
      "diurnal_swing_c": "-5.47",
      "free_run_c": "16.53",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.53",
      "humidity_pct": "85.9",
      "co2_ppm": "785"
    }
  },
  {
    "model": "app.reading",
    "pk": 688,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 38,
      "reading_at": "2026-04-16T02:30:00Z",
      "diurnal_swing_c": "-5.87",
      "free_run_c": "15.13",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.13",
      "humidity_pct": "89.2",
      "co2_ppm": "781"
    }
  },
  {
    "model": "app.reading",
    "pk": 689,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 39,
      "reading_at": "2026-04-15T03:00:00Z",
      "diurnal_swing_c": "-5.72",
      "free_run_c": "17.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.28",
      "humidity_pct": null,
      "co2_ppm": "748"
    }
  },
  {
    "model": "app.reading",
    "pk": 690,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 38,
      "reading_at": "2026-04-15T02:30:00Z",
      "diurnal_swing_c": "-6.12",
      "free_run_c": "16.38",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.38",
      "humidity_pct": "84.1",
      "co2_ppm": "778"
    }
  },
  {
    "model": "app.reading",
    "pk": 691,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 40,
      "reading_at": "2026-04-16T03:30:00Z",
      "diurnal_swing_c": "-5.20",
      "free_run_c": "13.80",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.80",
      "humidity_pct": "88.1",
      "co2_ppm": "761"
    }
  },
  {
    "model": "app.reading",
    "pk": 692,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 37,
      "reading_at": "2026-04-15T02:00:00Z",
      "diurnal_swing_c": "-5.11",
      "free_run_c": "16.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.89",
      "humidity_pct": "84.2",
      "co2_ppm": "777"
    }
  },
  {
    "model": "app.reading",
    "pk": 693,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 39,
      "reading_at": "2026-04-17T03:00:00Z",
      "diurnal_swing_c": "-5.22",
      "free_run_c": "17.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.28",
      "humidity_pct": "83.5",
      "co2_ppm": "749"
    }
  },
  {
    "model": "app.reading",
    "pk": 694,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 38,
      "reading_at": "2026-04-17T02:30:00Z",
      "diurnal_swing_c": "-5.41",
      "free_run_c": "18.09",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.09",
      "humidity_pct": "86.4",
      "co2_ppm": "776"
    }
  },
  {
    "model": "app.reading",
    "pk": 695,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 40,
      "reading_at": "2026-04-16T03:30:00Z",
      "diurnal_swing_c": "-5.39",
      "free_run_c": "12.61",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "12.61",
      "humidity_pct": "86.4",
      "co2_ppm": "789"
    }
  },
  {
    "model": "app.reading",
    "pk": 696,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 42,
      "reading_at": "2026-04-17T04:30:00Z",
      "diurnal_swing_c": "-4.80",
      "free_run_c": "19.20",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.20",
      "humidity_pct": "81.2",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 697,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 41,
      "reading_at": "2026-04-17T04:00:00Z",
      "diurnal_swing_c": "-4.85",
      "free_run_c": "18.65",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.65",
      "humidity_pct": "84.5",
      "co2_ppm": "748"
    }
  },
  {
    "model": "app.reading",
    "pk": 698,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 37,
      "reading_at": "2026-04-17T02:00:00Z",
      "diurnal_swing_c": "-5.29",
      "free_run_c": "19.21",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.21",
      "humidity_pct": "89.5",
      "co2_ppm": "789"
    }
  },
  {
    "model": "app.reading",
    "pk": 699,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 42,
      "reading_at": "2026-04-17T04:30:00Z",
      "diurnal_swing_c": "-4.18",
      "free_run_c": "19.32",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.32",
      "humidity_pct": "81.7",
      "co2_ppm": "743"
    }
  },
  {
    "model": "app.reading",
    "pk": 700,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 39,
      "reading_at": "2026-04-15T03:00:00Z",
      "diurnal_swing_c": "-5.27",
      "free_run_c": "17.23",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.23",
      "humidity_pct": "85.8",
      "co2_ppm": "774"
    }
  },
  {
    "model": "app.reading",
    "pk": 701,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 37,
      "reading_at": "2026-04-15T02:00:00Z",
      "diurnal_swing_c": "-5.35",
      "free_run_c": "18.65",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.65",
      "humidity_pct": "85.2",
      "co2_ppm": "760"
    }
  },
  {
    "model": "app.reading",
    "pk": 702,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 42,
      "reading_at": "2026-04-16T04:30:00Z",
      "diurnal_swing_c": "-4.43",
      "free_run_c": "15.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.57",
      "humidity_pct": "83.3",
      "co2_ppm": "737"
    }
  },
  {
    "model": "app.reading",
    "pk": 703,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 38,
      "reading_at": "2026-04-15T02:30:00Z",
      "diurnal_swing_c": "-5.18",
      "free_run_c": "18.82",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.82",
      "humidity_pct": "82.9",
      "co2_ppm": "771"
    }
  },
  {
    "model": "app.reading",
    "pk": 704,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 45,
      "reading_at": "2026-04-16T06:00:00Z",
      "diurnal_swing_c": "-2.19",
      "free_run_c": "16.81",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.81",
      "humidity_pct": "79.0",
      "co2_ppm": "689"
    }
  },
  {
    "model": "app.reading",
    "pk": 705,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 41,
      "reading_at": "2026-04-16T04:00:00Z",
      "diurnal_swing_c": "-4.90",
      "free_run_c": "13.10",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.10",
      "humidity_pct": "84.3",
      "co2_ppm": "765"
    }
  },
  {
    "model": "app.reading",
    "pk": 706,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 42,
      "reading_at": "2026-04-16T04:30:00Z",
      "diurnal_swing_c": "-4.53",
      "free_run_c": "13.47",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.47",
      "humidity_pct": "80.5",
      "co2_ppm": "726"
    }
  },
  {
    "model": "app.reading",
    "pk": 707,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 36,
      "reading_at": "2026-04-15T01:30:00Z",
      "diurnal_swing_c": "-5.67",
      "free_run_c": "15.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.33",
      "humidity_pct": "84.5",
      "co2_ppm": "786"
    }
  },
  {
    "model": "app.reading",
    "pk": 708,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 43,
      "reading_at": "2026-04-17T05:00:00Z",
      "diurnal_swing_c": "-3.79",
      "free_run_c": "19.71",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.71",
      "humidity_pct": "82.3",
      "co2_ppm": "709"
    }
  },
  {
    "model": "app.reading",
    "pk": 709,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 39,
      "reading_at": "2026-04-17T03:00:00Z",
      "diurnal_swing_c": "-5.81",
      "free_run_c": "17.69",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.69",
      "humidity_pct": "84.2",
      "co2_ppm": "774"
    }
  },
  {
    "model": "app.reading",
    "pk": 710,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 40,
      "reading_at": "2026-04-17T03:30:00Z",
      "diurnal_swing_c": "-4.89",
      "free_run_c": "17.61",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.61",
      "humidity_pct": "85.6",
      "co2_ppm": "783"
    }
  },
  {
    "model": "app.reading",
    "pk": 711,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 43,
      "reading_at": "2026-04-17T05:00:00Z",
      "diurnal_swing_c": "-3.39",
      "free_run_c": "20.61",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.61",
      "humidity_pct": "78.2",
      "co2_ppm": "714"
    }
  },
  {
    "model": "app.reading",
    "pk": 712,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 44,
      "reading_at": "2026-04-17T05:30:00Z",
      "diurnal_swing_c": "-2.83",
      "free_run_c": "20.67",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.67",
      "humidity_pct": "83.0",
      "co2_ppm": "712"
    }
  },
  {
    "model": "app.reading",
    "pk": 713,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 39,
      "reading_at": "2026-04-16T03:00:00Z",
      "diurnal_swing_c": "-4.87",
      "free_run_c": "16.13",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.13",
      "humidity_pct": "84.0",
      "co2_ppm": "779"
    }
  },
  {
    "model": "app.reading",
    "pk": 714,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 41,
      "reading_at": "2026-04-17T04:00:00Z",
      "diurnal_swing_c": "-4.55",
      "free_run_c": "17.95",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.95",
      "humidity_pct": "83.3",
      "co2_ppm": "765"
    }
  },
  {
    "model": "app.reading",
    "pk": 715,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 39,
      "reading_at": "2026-04-15T03:00:00Z",
      "diurnal_swing_c": "-5.49",
      "free_run_c": "16.51",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.51",
      "humidity_pct": "84.9",
      "co2_ppm": "772"
    }
  },
  {
    "model": "app.reading",
    "pk": 716,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 40,
      "reading_at": "2026-04-16T03:30:00Z",
      "diurnal_swing_c": "-5.12",
      "free_run_c": "15.88",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.88",
      "humidity_pct": "88.0",
      "co2_ppm": "749"
    }
  },
  {
    "model": "app.reading",
    "pk": 717,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 38,
      "reading_at": "2026-04-17T02:30:00Z",
      "diurnal_swing_c": "-5.01",
      "free_run_c": "19.49",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.49",
      "humidity_pct": "85.5",
      "co2_ppm": "756"
    }
  },
  {
    "model": "app.reading",
    "pk": 718,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 36,
      "reading_at": "2026-04-17T01:30:00Z",
      "diurnal_swing_c": "-5.78",
      "free_run_c": "19.72",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.72",
      "humidity_pct": "86.8",
      "co2_ppm": "782"
    }
  },
  {
    "model": "app.reading",
    "pk": 719,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 37,
      "reading_at": "2026-04-15T02:00:00Z",
      "diurnal_swing_c": "-5.83",
      "free_run_c": "15.17",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.17",
      "humidity_pct": "83.9",
      "co2_ppm": "805"
    }
  },
  {
    "model": "app.reading",
    "pk": 720,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 39,
      "reading_at": "2026-04-15T03:00:00Z",
      "diurnal_swing_c": "-5.39",
      "free_run_c": "18.61",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.61",
      "humidity_pct": "84.4",
      "co2_ppm": "769"
    }
  },
  {
    "model": "app.reading",
    "pk": 721,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 43,
      "reading_at": "2026-04-16T05:00:00Z",
      "diurnal_swing_c": "-3.78",
      "free_run_c": "16.22",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.22",
      "humidity_pct": "82.6",
      "co2_ppm": "726"
    }
  },
  {
    "model": "app.reading",
    "pk": 722,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 44,
      "reading_at": "2026-04-16T05:30:00Z",
      "diurnal_swing_c": "-3.67",
      "free_run_c": "16.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.33",
      "humidity_pct": "82.7",
      "co2_ppm": "717"
    }
  },
  {
    "model": "app.reading",
    "pk": 723,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 37,
      "reading_at": "2026-04-17T02:00:00Z",
      "diurnal_swing_c": "-5.06",
      "free_run_c": "20.44",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.44",
      "humidity_pct": "89.0",
      "co2_ppm": "770"
    }
  },
  {
    "model": "app.reading",
    "pk": 724,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 40,
      "reading_at": "2026-04-17T03:30:00Z",
      "diurnal_swing_c": "-4.86",
      "free_run_c": "18.64",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.64",
      "humidity_pct": "82.4",
      "co2_ppm": "772"
    }
  },
  {
    "model": "app.reading",
    "pk": 725,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 41,
      "reading_at": "2026-04-16T04:00:00Z",
      "diurnal_swing_c": "-5.04",
      "free_run_c": "13.96",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "13.96",
      "humidity_pct": "89.4",
      "co2_ppm": "749"
    }
  },
  {
    "model": "app.reading",
    "pk": 726,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 44,
      "reading_at": "2026-04-17T05:30:00Z",
      "diurnal_swing_c": "-3.26",
      "free_run_c": "20.74",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.74",
      "humidity_pct": "76.5",
      "co2_ppm": "711"
    }
  },
  {
    "model": "app.reading",
    "pk": 727,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 38,
      "reading_at": "2026-04-15T02:30:00Z",
      "diurnal_swing_c": "-5.46",
      "free_run_c": "16.54",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.54",
      "humidity_pct": "83.5",
      "co2_ppm": "778"
    }
  },
  {
    "model": "app.reading",
    "pk": 728,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 41,
      "reading_at": "2026-04-17T04:00:00Z",
      "diurnal_swing_c": "-5.00",
      "free_run_c": "18.50",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.50",
      "humidity_pct": "81.1",
      "co2_ppm": "747"
    }
  },
  {
    "model": "app.reading",
    "pk": 729,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 42,
      "reading_at": "2026-04-17T04:30:00Z",
      "diurnal_swing_c": "-4.58",
      "free_run_c": "18.92",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.92",
      "humidity_pct": "83.6",
      "co2_ppm": "736"
    }
  },
  {
    "model": "app.reading",
    "pk": 730,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 42,
      "reading_at": "2026-04-16T04:30:00Z",
      "diurnal_swing_c": "-4.60",
      "free_run_c": "14.40",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.40",
      "humidity_pct": "84.3",
      "co2_ppm": "747"
    }
  },
  {
    "model": "app.reading",
    "pk": 731,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 43,
      "reading_at": "2026-04-16T05:00:00Z",
      "diurnal_swing_c": "-4.30",
      "free_run_c": "14.70",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.70",
      "humidity_pct": "85.4",
      "co2_ppm": "709"
    }
  },
  {
    "model": "app.reading",
    "pk": 732,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 42,
      "reading_at": "2026-04-17T04:30:00Z",
      "diurnal_swing_c": "-4.04",
      "free_run_c": "18.46",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.46",
      "humidity_pct": "82.1",
      "co2_ppm": "750"
    }
  },
  {
    "model": "app.reading",
    "pk": 733,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 45,
      "reading_at": "2026-04-17T06:00:00Z",
      "diurnal_swing_c": "-2.70",
      "free_run_c": "20.80",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.80",
      "humidity_pct": "77.6",
      "co2_ppm": "696"
    }
  },
  {
    "model": "app.reading",
    "pk": 734,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 43,
      "reading_at": "2026-04-16T05:00:00Z",
      "diurnal_swing_c": "-3.47",
      "free_run_c": "14.53",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.53",
      "humidity_pct": "83.0",
      "co2_ppm": "698"
    }
  },
  {
    "model": "app.reading",
    "pk": 735,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 45,
      "reading_at": "2026-04-17T06:00:00Z",
      "diurnal_swing_c": "-2.98",
      "free_run_c": "21.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.02",
      "humidity_pct": "79.6",
      "co2_ppm": "689"
    }
  },
  {
    "model": "app.reading",
    "pk": 736,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 45,
      "reading_at": "2026-04-16T06:00:00Z",
      "diurnal_swing_c": "-2.41",
      "free_run_c": "17.59",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.59",
      "humidity_pct": "79.4",
      "co2_ppm": "696"
    }
  },
  {
    "model": "app.reading",
    "pk": 737,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 39,
      "reading_at": "2026-04-17T03:00:00Z",
      "diurnal_swing_c": "-5.35",
      "free_run_c": "19.15",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.15",
      "humidity_pct": "86.1",
      "co2_ppm": "771"
    }
  },
  {
    "model": "app.reading",
    "pk": 738,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 40,
      "reading_at": "2026-04-15T03:30:00Z",
      "diurnal_swing_c": "-5.03",
      "free_run_c": "17.97",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.97",
      "humidity_pct": "87.3",
      "co2_ppm": "783"
    }
  },
  {
    "model": "app.reading",
    "pk": 739,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 38,
      "reading_at": "2026-04-15T02:30:00Z",
      "diurnal_swing_c": "-4.96",
      "free_run_c": "16.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.04",
      "humidity_pct": "88.5",
      "co2_ppm": "776"
    }
  },
  {
    "model": "app.reading",
    "pk": 740,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 40,
      "reading_at": "2026-04-17T03:30:00Z",
      "diurnal_swing_c": "-5.17",
      "free_run_c": "19.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.33",
      "humidity_pct": "87.7",
      "co2_ppm": "726"
    }
  },
  {
    "model": "app.reading",
    "pk": 741,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 40,
      "reading_at": "2026-04-15T03:30:00Z",
      "diurnal_swing_c": "-4.78",
      "free_run_c": "19.22",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.22",
      "humidity_pct": "87.6",
      "co2_ppm": "788"
    }
  },
  {
    "model": "app.reading",
    "pk": 742,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 41,
      "reading_at": "2026-04-17T04:00:00Z",
      "diurnal_swing_c": "-4.30",
      "free_run_c": "20.20",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.20",
      "humidity_pct": null,
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 743,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 41,
      "reading_at": "2026-04-16T04:00:00Z",
      "diurnal_swing_c": "-4.76",
      "free_run_c": "14.74",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.74",
      "humidity_pct": "78.4",
      "co2_ppm": "780"
    }
  },
  {
    "model": "app.reading",
    "pk": 744,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 40,
      "reading_at": "2026-04-15T03:30:00Z",
      "diurnal_swing_c": "-5.15",
      "free_run_c": "16.85",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.85",
      "humidity_pct": "82.3",
      "co2_ppm": "771"
    }
  },
  {
    "model": "app.reading",
    "pk": 745,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 39,
      "reading_at": "2026-04-15T03:00:00Z",
      "diurnal_swing_c": "-5.72",
      "free_run_c": "15.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.28",
      "humidity_pct": "85.2",
      "co2_ppm": "770"
    }
  },
  {
    "model": "app.reading",
    "pk": 746,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 42,
      "reading_at": "2026-04-16T04:30:00Z",
      "diurnal_swing_c": "-5.20",
      "free_run_c": "14.30",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.30",
      "humidity_pct": "80.4",
      "co2_ppm": "743"
    }
  },
  {
    "model": "app.reading",
    "pk": 747,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 41,
      "reading_at": "2026-04-16T04:00:00Z",
      "diurnal_swing_c": "-4.71",
      "free_run_c": "16.29",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.29",
      "humidity_pct": "86.3",
      "co2_ppm": "789"
    }
  },
  {
    "model": "app.reading",
    "pk": 748,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 42,
      "reading_at": "2026-04-17T04:30:00Z",
      "diurnal_swing_c": "-4.46",
      "free_run_c": "20.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.04",
      "humidity_pct": "87.1",
      "co2_ppm": "727"
    }
  },
  {
    "model": "app.reading",
    "pk": 749,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 44,
      "reading_at": "2026-04-16T05:30:00Z",
      "diurnal_swing_c": "-3.42",
      "free_run_c": "15.58",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.58",
      "humidity_pct": "80.6",
      "co2_ppm": "695"
    }
  },
  {
    "model": "app.reading",
    "pk": 750,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 39,
      "reading_at": "2026-04-15T03:00:00Z",
      "diurnal_swing_c": "-5.08",
      "free_run_c": "16.92",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.92",
      "humidity_pct": "87.4",
      "co2_ppm": "766"
    }
  },
  {
    "model": "app.reading",
    "pk": 751,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 41,
      "reading_at": "2026-04-15T04:00:00Z",
      "diurnal_swing_c": "-4.65",
      "free_run_c": "17.35",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.35",
      "humidity_pct": "83.8",
      "co2_ppm": "755"
    }
  },
  {
    "model": "app.reading",
    "pk": 752,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 43,
      "reading_at": "2026-04-17T05:00:00Z",
      "diurnal_swing_c": "-3.97",
      "free_run_c": "19.53",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.53",
      "humidity_pct": "83.9",
      "co2_ppm": "721"
    }
  },
  {
    "model": "app.reading",
    "pk": 753,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 40,
      "reading_at": "2026-04-15T03:30:00Z",
      "diurnal_swing_c": "-5.56",
      "free_run_c": "16.94",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.94",
      "humidity_pct": "88.0",
      "co2_ppm": "776"
    }
  },
  {
    "model": "app.reading",
    "pk": 754,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 46,
      "reading_at": "2026-04-16T06:30:00Z",
      "diurnal_swing_c": "-2.17",
      "free_run_c": "17.83",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.83",
      "humidity_pct": "75.7",
      "co2_ppm": "692"
    }
  },
  {
    "model": "app.reading",
    "pk": 755,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 43,
      "reading_at": "2026-04-16T05:00:00Z",
      "diurnal_swing_c": "-3.15",
      "free_run_c": "16.35",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.35",
      "humidity_pct": "78.9",
      "co2_ppm": "712"
    }
  },
  {
    "model": "app.reading",
    "pk": 756,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 44,
      "reading_at": "2026-04-16T05:30:00Z",
      "diurnal_swing_c": "-3.49",
      "free_run_c": "16.01",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.01",
      "humidity_pct": "79.6",
      "co2_ppm": "722"
    }
  },
  {
    "model": "app.reading",
    "pk": 757,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 43,
      "reading_at": "2026-04-17T05:00:00Z",
      "diurnal_swing_c": "-4.15",
      "free_run_c": "18.35",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.35",
      "humidity_pct": "83.1",
      "co2_ppm": "700"
    }
  },
  {
    "model": "app.reading",
    "pk": 758,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 45,
      "reading_at": "2026-04-16T06:00:00Z",
      "diurnal_swing_c": "-2.98",
      "free_run_c": "16.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.02",
      "humidity_pct": "75.4",
      "co2_ppm": "693"
    }
  },
  {
    "model": "app.reading",
    "pk": 759,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 44,
      "reading_at": "2026-04-16T05:30:00Z",
      "diurnal_swing_c": "-3.19",
      "free_run_c": "14.81",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "14.81",
      "humidity_pct": "81.6",
      "co2_ppm": "720"
    }
  },
  {
    "model": "app.reading",
    "pk": 760,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 46,
      "reading_at": "2026-04-16T06:30:00Z",
      "diurnal_swing_c": "-1.78",
      "free_run_c": "17.22",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.22",
      "humidity_pct": "77.0",
      "co2_ppm": "638"
    }
  },
  {
    "model": "app.reading",
    "pk": 761,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 46,
      "reading_at": "2026-04-17T06:30:00Z",
      "diurnal_swing_c": "-2.33",
      "free_run_c": "21.67",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.67",
      "humidity_pct": "75.8",
      "co2_ppm": "639"
    }
  },
  {
    "model": "app.reading",
    "pk": 762,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 42,
      "reading_at": "2026-04-15T04:30:00Z",
      "diurnal_swing_c": "-4.48",
      "free_run_c": "17.52",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.52",
      "humidity_pct": "85.0",
      "co2_ppm": "766"
    }
  },
  {
    "model": "app.reading",
    "pk": 763,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 41,
      "reading_at": "2026-04-15T04:00:00Z",
      "diurnal_swing_c": "-4.54",
      "free_run_c": "17.96",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.96",
      "humidity_pct": "82.8",
      "co2_ppm": "749"
    }
  },
  {
    "model": "app.reading",
    "pk": 764,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 47,
      "reading_at": "2026-04-16T07:00:00Z",
      "diurnal_swing_c": "-1.05",
      "free_run_c": "17.95",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.95",
      "humidity_pct": "74.5",
      "co2_ppm": "625"
    }
  },
  {
    "model": "app.reading",
    "pk": 765,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 40,
      "reading_at": "2026-04-15T03:30:00Z",
      "diurnal_swing_c": "-5.25",
      "free_run_c": "16.75",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.75",
      "humidity_pct": "82.4",
      "co2_ppm": "818"
    }
  },
  {
    "model": "app.reading",
    "pk": 766,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 43,
      "reading_at": "2026-04-15T05:00:00Z",
      "diurnal_swing_c": "-3.58",
      "free_run_c": "18.42",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.42",
      "humidity_pct": "84.4",
      "co2_ppm": "706"
    }
  },
  {
    "model": "app.reading",
    "pk": 767,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 46,
      "reading_at": "2026-04-16T06:30:00Z",
      "diurnal_swing_c": "-2.20",
      "free_run_c": "16.80",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.80",
      "humidity_pct": "77.2",
      "co2_ppm": "649"
    }
  },
  {
    "model": "app.reading",
    "pk": 768,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 47,
      "reading_at": "2026-04-17T07:00:00Z",
      "diurnal_swing_c": "-1.04",
      "free_run_c": "22.96",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.96",
      "humidity_pct": "74.3",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 769,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 46,
      "reading_at": "2026-04-17T06:30:00Z",
      "diurnal_swing_c": "-1.61",
      "free_run_c": "21.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.89",
      "humidity_pct": "74.8",
      "co2_ppm": "682"
    }
  },
  {
    "model": "app.reading",
    "pk": 770,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 41,
      "reading_at": "2026-04-15T04:00:00Z",
      "diurnal_swing_c": "-5.15",
      "free_run_c": "17.85",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.85",
      "humidity_pct": "86.1",
      "co2_ppm": "767"
    }
  },
  {
    "model": "app.reading",
    "pk": 771,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 43,
      "reading_at": "2026-04-17T05:00:00Z",
      "diurnal_swing_c": "-3.80",
      "free_run_c": "20.70",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.70",
      "humidity_pct": "84.7",
      "co2_ppm": "752"
    }
  },
  {
    "model": "app.reading",
    "pk": 772,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 42,
      "reading_at": "2026-04-15T04:30:00Z",
      "diurnal_swing_c": "-4.59",
      "free_run_c": "17.91",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.91",
      "humidity_pct": "81.7",
      "co2_ppm": "730"
    }
  },
  {
    "model": "app.reading",
    "pk": 773,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 42,
      "reading_at": "2026-04-15T04:30:00Z",
      "diurnal_swing_c": "-4.47",
      "free_run_c": "18.53",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.53",
      "humidity_pct": "81.2",
      "co2_ppm": "736"
    }
  },
  {
    "model": "app.reading",
    "pk": 774,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 38,
      "reading_at": "2026-04-17T02:30:00Z",
      "diurnal_swing_c": "-5.08",
      "free_run_c": "20.42",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.42",
      "humidity_pct": "83.5",
      "co2_ppm": "773"
    }
  },
  {
    "model": "app.reading",
    "pk": 775,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 44,
      "reading_at": "2026-04-17T05:30:00Z",
      "diurnal_swing_c": "-3.67",
      "free_run_c": "18.83",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.83",
      "humidity_pct": "78.8",
      "co2_ppm": "701"
    }
  },
  {
    "model": "app.reading",
    "pk": 776,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 47,
      "reading_at": "2026-04-16T07:00:00Z",
      "diurnal_swing_c": "-0.98",
      "free_run_c": "19.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.02",
      "humidity_pct": "75.3",
      "co2_ppm": "648"
    }
  },
  {
    "model": "app.reading",
    "pk": 777,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 40,
      "reading_at": "2026-04-15T03:30:00Z",
      "diurnal_swing_c": "-5.11",
      "free_run_c": "15.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.89",
      "humidity_pct": "85.5",
      "co2_ppm": "794"
    }
  },
  {
    "model": "app.reading",
    "pk": 778,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 43,
      "reading_at": "2026-04-15T05:00:00Z",
      "diurnal_swing_c": "-3.69",
      "free_run_c": "18.81",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.81",
      "humidity_pct": "80.8",
      "co2_ppm": "721"
    }
  },
  {
    "model": "app.reading",
    "pk": 779,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 44,
      "reading_at": "2026-04-17T05:30:00Z",
      "diurnal_swing_c": "-3.08",
      "free_run_c": "20.42",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.42",
      "humidity_pct": "81.6",
      "co2_ppm": "734"
    }
  },
  {
    "model": "app.reading",
    "pk": 780,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 45,
      "reading_at": "2026-04-17T06:00:00Z",
      "diurnal_swing_c": "-2.63",
      "free_run_c": "20.87",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.87",
      "humidity_pct": "78.5",
      "co2_ppm": "690"
    }
  },
  {
    "model": "app.reading",
    "pk": 781,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 39,
      "reading_at": "2026-04-17T03:00:00Z",
      "diurnal_swing_c": "-5.04",
      "free_run_c": "20.46",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.46",
      "humidity_pct": "88.1",
      "co2_ppm": "755"
    }
  },
  {
    "model": "app.reading",
    "pk": 782,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 43,
      "reading_at": "2026-04-15T05:00:00Z",
      "diurnal_swing_c": "-3.67",
      "free_run_c": "19.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.33",
      "humidity_pct": "80.2",
      "co2_ppm": "732"
    }
  },
  {
    "model": "app.reading",
    "pk": 783,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 45,
      "reading_at": "2026-04-16T06:00:00Z",
      "diurnal_swing_c": "-2.66",
      "free_run_c": "15.34",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.34",
      "humidity_pct": "78.4",
      "co2_ppm": "698"
    }
  },
  {
    "model": "app.reading",
    "pk": 784,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 41,
      "reading_at": "2026-04-15T04:00:00Z",
      "diurnal_swing_c": "-5.14",
      "free_run_c": "16.86",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.86",
      "humidity_pct": "84.5",
      "co2_ppm": "770"
    }
  },
  {
    "model": "app.reading",
    "pk": 785,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 45,
      "reading_at": "2026-04-17T06:00:00Z",
      "diurnal_swing_c": "-2.59",
      "free_run_c": "19.91",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.91",
      "humidity_pct": "77.6",
      "co2_ppm": "682"
    }
  },
  {
    "model": "app.reading",
    "pk": 786,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 44,
      "reading_at": "2026-04-15T05:30:00Z",
      "diurnal_swing_c": "-2.83",
      "free_run_c": "20.17",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.17",
      "humidity_pct": "76.6",
      "co2_ppm": "715"
    }
  },
  {
    "model": "app.reading",
    "pk": 787,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 46,
      "reading_at": "2026-04-17T06:30:00Z",
      "diurnal_swing_c": "-1.91",
      "free_run_c": "21.59",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.59",
      "humidity_pct": "78.5",
      "co2_ppm": "661"
    }
  },
  {
    "model": "app.reading",
    "pk": 788,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 41,
      "reading_at": "2026-04-15T04:00:00Z",
      "diurnal_swing_c": "-5.06",
      "free_run_c": "18.94",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.94",
      "humidity_pct": "84.5",
      "co2_ppm": "755"
    }
  },
  {
    "model": "app.reading",
    "pk": 789,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 42,
      "reading_at": "2026-04-15T04:30:00Z",
      "diurnal_swing_c": "-4.76",
      "free_run_c": "19.24",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.24",
      "humidity_pct": "81.4",
      "co2_ppm": "756"
    }
  },
  {
    "model": "app.reading",
    "pk": 790,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 42,
      "reading_at": "2026-04-16T04:30:00Z",
      "diurnal_swing_c": "-5.30",
      "free_run_c": "15.70",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "15.70",
      "humidity_pct": "82.3",
      "co2_ppm": "756"
    }
  },
  {
    "model": "app.reading",
    "pk": 791,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 41,
      "reading_at": "2026-04-15T04:00:00Z",
      "diurnal_swing_c": "-4.66",
      "free_run_c": "16.34",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.34",
      "humidity_pct": "84.2",
      "co2_ppm": "763"
    }
  },
  {
    "model": "app.reading",
    "pk": 792,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 47,
      "reading_at": "2026-04-16T07:00:00Z",
      "diurnal_swing_c": "-1.54",
      "free_run_c": "17.46",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.46",
      "humidity_pct": "75.2",
      "co2_ppm": "655"
    }
  },
  {
    "model": "app.reading",
    "pk": 793,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 44,
      "reading_at": "2026-04-17T05:30:00Z",
      "diurnal_swing_c": "-3.49",
      "free_run_c": "21.01",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.01",
      "humidity_pct": "76.8",
      "co2_ppm": "682"
    }
  },
  {
    "model": "app.reading",
    "pk": 794,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 40,
      "reading_at": "2026-04-17T03:30:00Z",
      "diurnal_swing_c": "-5.10",
      "free_run_c": "20.40",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.40",
      "humidity_pct": "83.8",
      "co2_ppm": "796"
    }
  },
  {
    "model": "app.reading",
    "pk": 795,
    "fields": {
      "zone_day": 15,
      "zone_id": 1,
      "slot_no": 48,
      "reading_at": "2026-04-16T07:30:00Z",
      "diurnal_swing_c": "-0.62",
      "free_run_c": "18.38",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.38",
      "humidity_pct": "74.0",
      "co2_ppm": "595"
    }
  },
  {
    "model": "app.reading",
    "pk": 796,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 44,
      "reading_at": "2026-04-15T05:30:00Z",
      "diurnal_swing_c": "-3.08",
      "free_run_c": "18.92",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.92",
      "humidity_pct": "76.9",
      "co2_ppm": "714"
    }
  },
  {
    "model": "app.reading",
    "pk": 797,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 45,
      "reading_at": "2026-04-15T06:00:00Z",
      "diurnal_swing_c": "-2.83",
      "free_run_c": "19.17",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.17",
      "humidity_pct": "80.1",
      "co2_ppm": "726"
    }
  },
  {
    "model": "app.reading",
    "pk": 798,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 45,
      "reading_at": "2026-04-15T06:00:00Z",
      "diurnal_swing_c": "-2.87",
      "free_run_c": "20.13",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.13",
      "humidity_pct": "76.7",
      "co2_ppm": "685"
    }
  },
  {
    "model": "app.reading",
    "pk": 799,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 45,
      "reading_at": "2026-04-16T06:00:00Z",
      "diurnal_swing_c": "-3.06",
      "free_run_c": "16.44",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.44",
      "humidity_pct": "78.3",
      "co2_ppm": "681"
    }
  },
  {
    "model": "app.reading",
    "pk": 800,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 41,
      "reading_at": "2026-04-17T04:00:00Z",
      "diurnal_swing_c": "-4.22",
      "free_run_c": "21.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.28",
      "humidity_pct": "81.9",
      "co2_ppm": "758"
    }
  },
  {
    "model": "app.reading",
    "pk": 801,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 42,
      "reading_at": "2026-04-15T04:30:00Z",
      "diurnal_swing_c": "-4.72",
      "free_run_c": "16.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.28",
      "humidity_pct": "84.8",
      "co2_ppm": "775"
    }
  },
  {
    "model": "app.reading",
    "pk": 802,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 44,
      "reading_at": "2026-04-15T05:30:00Z",
      "diurnal_swing_c": "-3.15",
      "free_run_c": "19.35",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.35",
      "humidity_pct": "82.3",
      "co2_ppm": "723"
    }
  },
  {
    "model": "app.reading",
    "pk": 803,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 42,
      "reading_at": "2026-04-15T04:30:00Z",
      "diurnal_swing_c": "-4.20",
      "free_run_c": "17.80",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.80",
      "humidity_pct": "84.3",
      "co2_ppm": "734"
    }
  },
  {
    "model": "app.reading",
    "pk": 804,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 46,
      "reading_at": "2026-04-15T06:30:00Z",
      "diurnal_swing_c": "-1.83",
      "free_run_c": "21.17",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.17",
      "humidity_pct": "76.9",
      "co2_ppm": "677"
    }
  },
  {
    "model": "app.reading",
    "pk": 805,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 43,
      "reading_at": "2026-04-15T05:00:00Z",
      "diurnal_swing_c": "-3.89",
      "free_run_c": "20.11",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.11",
      "humidity_pct": "82.7",
      "co2_ppm": "711"
    }
  },
  {
    "model": "app.reading",
    "pk": 806,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 47,
      "reading_at": "2026-04-17T07:00:00Z",
      "diurnal_swing_c": "-1.63",
      "free_run_c": "21.87",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.87",
      "humidity_pct": "72.0",
      "co2_ppm": "621"
    }
  },
  {
    "model": "app.reading",
    "pk": 807,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 43,
      "reading_at": "2026-04-15T05:00:00Z",
      "diurnal_swing_c": "-3.96",
      "free_run_c": "18.04",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.04",
      "humidity_pct": "84.3",
      "co2_ppm": "740"
    }
  },
  {
    "model": "app.reading",
    "pk": 808,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 43,
      "reading_at": "2026-04-15T05:00:00Z",
      "diurnal_swing_c": "-4.13",
      "free_run_c": "16.87",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.87",
      "humidity_pct": "84.8",
      "co2_ppm": "714"
    }
  },
  {
    "model": "app.reading",
    "pk": 809,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 43,
      "reading_at": "2026-04-16T05:00:00Z",
      "diurnal_swing_c": "-4.01",
      "free_run_c": "16.99",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.99",
      "humidity_pct": "82.8",
      "co2_ppm": "710"
    }
  },
  {
    "model": "app.reading",
    "pk": 810,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 46,
      "reading_at": "2026-04-17T06:30:00Z",
      "diurnal_swing_c": "-2.06",
      "free_run_c": "20.44",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.44",
      "humidity_pct": "77.4",
      "co2_ppm": "651"
    }
  },
  {
    "model": "app.reading",
    "pk": 811,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 44,
      "reading_at": "2026-04-15T05:30:00Z",
      "diurnal_swing_c": "-3.28",
      "free_run_c": "20.72",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.72",
      "humidity_pct": "77.6",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 812,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 42,
      "reading_at": "2026-04-17T04:30:00Z",
      "diurnal_swing_c": "-4.23",
      "free_run_c": "21.27",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.27",
      "humidity_pct": "79.6",
      "co2_ppm": "741"
    }
  },
  {
    "model": "app.reading",
    "pk": 813,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 47,
      "reading_at": "2026-04-17T07:00:00Z",
      "diurnal_swing_c": "-1.60",
      "free_run_c": "21.90",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.90",
      "humidity_pct": "72.3",
      "co2_ppm": "619"
    }
  },
  {
    "model": "app.reading",
    "pk": 814,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 47,
      "reading_at": "2026-04-17T07:00:00Z",
      "diurnal_swing_c": "-1.41",
      "free_run_c": "21.09",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.09",
      "humidity_pct": "72.7",
      "co2_ppm": "631"
    }
  },
  {
    "model": "app.reading",
    "pk": 815,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 44,
      "reading_at": "2026-04-16T05:30:00Z",
      "diurnal_swing_c": "-3.18",
      "free_run_c": "17.82",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.82",
      "humidity_pct": "79.7",
      "co2_ppm": "696"
    }
  },
  {
    "model": "app.reading",
    "pk": 816,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 44,
      "reading_at": "2026-04-15T05:30:00Z",
      "diurnal_swing_c": "-3.23",
      "free_run_c": "17.77",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.77",
      "humidity_pct": "80.7",
      "co2_ppm": "705"
    }
  },
  {
    "model": "app.reading",
    "pk": 817,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 45,
      "reading_at": "2026-04-17T06:00:00Z",
      "diurnal_swing_c": "-2.61",
      "free_run_c": "21.89",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.89",
      "humidity_pct": "80.1",
      "co2_ppm": "686"
    }
  },
  {
    "model": "app.reading",
    "pk": 818,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 44,
      "reading_at": "2026-04-15T05:30:00Z",
      "diurnal_swing_c": "-2.98",
      "free_run_c": "19.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.02",
      "humidity_pct": "79.7",
      "co2_ppm": "712"
    }
  },
  {
    "model": "app.reading",
    "pk": 819,
    "fields": {
      "zone_day": 14,
      "zone_id": 2,
      "slot_no": 48,
      "reading_at": "2026-04-17T07:30:00Z",
      "diurnal_swing_c": "-1.06",
      "free_run_c": "22.94",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.94",
      "humidity_pct": null,
      "co2_ppm": "625"
    }
  },
  {
    "model": "app.reading",
    "pk": 820,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 46,
      "reading_at": "2026-04-15T06:30:00Z",
      "diurnal_swing_c": "-1.94",
      "free_run_c": "20.06",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.06",
      "humidity_pct": "72.0",
      "co2_ppm": "667"
    }
  },
  {
    "model": "app.reading",
    "pk": 821,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 46,
      "reading_at": "2026-04-16T06:30:00Z",
      "diurnal_swing_c": "-1.86",
      "free_run_c": "17.64",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.64",
      "humidity_pct": "78.7",
      "co2_ppm": "683"
    }
  },
  {
    "model": "app.reading",
    "pk": 822,
    "fields": {
      "zone_day": 17,
      "zone_id": 1,
      "slot_no": 48,
      "reading_at": "2026-04-17T07:30:00Z",
      "diurnal_swing_c": "-1.25",
      "free_run_c": "22.25",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.25",
      "humidity_pct": "71.5",
      "co2_ppm": "615"
    }
  },
  {
    "model": "app.reading",
    "pk": 823,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 46,
      "reading_at": "2026-04-17T06:30:00Z",
      "diurnal_swing_c": "-2.01",
      "free_run_c": "22.49",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.49",
      "humidity_pct": "76.2",
      "co2_ppm": "661"
    }
  },
  {
    "model": "app.reading",
    "pk": 824,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 47,
      "reading_at": "2026-04-17T07:00:00Z",
      "diurnal_swing_c": "-0.87",
      "free_run_c": "23.63",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.63",
      "humidity_pct": "78.0",
      "co2_ppm": "650"
    }
  },
  {
    "model": "app.reading",
    "pk": 825,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 45,
      "reading_at": "2026-04-16T06:00:00Z",
      "diurnal_swing_c": "-3.00",
      "free_run_c": "18.00",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.00",
      "humidity_pct": "78.6",
      "co2_ppm": "673"
    }
  },
  {
    "model": "app.reading",
    "pk": 826,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 45,
      "reading_at": "2026-04-15T06:00:00Z",
      "diurnal_swing_c": "-2.53",
      "free_run_c": "21.47",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.47",
      "humidity_pct": "77.5",
      "co2_ppm": "713"
    }
  },
  {
    "model": "app.reading",
    "pk": 827,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 47,
      "reading_at": "2026-04-15T07:00:00Z",
      "diurnal_swing_c": "-1.16",
      "free_run_c": "20.84",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.84",
      "humidity_pct": "75.4",
      "co2_ppm": "689"
    }
  },
  {
    "model": "app.reading",
    "pk": 828,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 45,
      "reading_at": "2026-04-15T06:00:00Z",
      "diurnal_swing_c": "-2.86",
      "free_run_c": "19.64",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.64",
      "humidity_pct": "81.4",
      "co2_ppm": "667"
    }
  },
  {
    "model": "app.reading",
    "pk": 829,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 43,
      "reading_at": "2026-04-17T05:00:00Z",
      "diurnal_swing_c": "-4.17",
      "free_run_c": "21.33",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.33",
      "humidity_pct": "80.9",
      "co2_ppm": "687"
    }
  },
  {
    "model": "app.reading",
    "pk": 830,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 44,
      "reading_at": "2026-04-17T05:30:00Z",
      "diurnal_swing_c": "-3.65",
      "free_run_c": "21.85",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.85",
      "humidity_pct": "79.0",
      "co2_ppm": "717"
    }
  },
  {
    "model": "app.reading",
    "pk": 831,
    "fields": {
      "zone_day": 4,
      "zone_id": 4,
      "slot_no": 48,
      "reading_at": "2026-04-15T07:30:00Z",
      "diurnal_swing_c": "-0.90",
      "free_run_c": "21.10",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.10",
      "humidity_pct": "75.0",
      "co2_ppm": "638"
    }
  },
  {
    "model": "app.reading",
    "pk": 832,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 45,
      "reading_at": "2026-04-15T06:00:00Z",
      "diurnal_swing_c": "-2.89",
      "free_run_c": "19.11",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.11",
      "humidity_pct": "77.0",
      "co2_ppm": "736"
    }
  },
  {
    "model": "app.reading",
    "pk": 833,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 46,
      "reading_at": "2026-04-16T06:30:00Z",
      "diurnal_swing_c": "-1.60",
      "free_run_c": "19.40",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.40",
      "humidity_pct": "75.9",
      "co2_ppm": "658"
    }
  },
  {
    "model": "app.reading",
    "pk": 834,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 46,
      "reading_at": "2026-04-15T06:30:00Z",
      "diurnal_swing_c": "-1.66",
      "free_run_c": "20.84",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.84",
      "humidity_pct": "76.1",
      "co2_ppm": "667"
    }
  },
  {
    "model": "app.reading",
    "pk": 835,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 46,
      "reading_at": "2026-04-15T06:30:00Z",
      "diurnal_swing_c": "-2.07",
      "free_run_c": "21.93",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.93",
      "humidity_pct": "76.3",
      "co2_ppm": "671"
    }
  },
  {
    "model": "app.reading",
    "pk": 836,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 45,
      "reading_at": "2026-04-17T06:00:00Z",
      "diurnal_swing_c": "-3.25",
      "free_run_c": "22.25",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.25",
      "humidity_pct": "75.8",
      "co2_ppm": "664"
    }
  },
  {
    "model": "app.reading",
    "pk": 837,
    "fields": {
      "zone_day": 8,
      "zone_id": 5,
      "slot_no": 48,
      "reading_at": "2026-04-17T07:30:00Z",
      "diurnal_swing_c": "-0.69",
      "free_run_c": "21.81",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.81",
      "humidity_pct": "74.3",
      "co2_ppm": "598"
    }
  },
  {
    "model": "app.reading",
    "pk": 838,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 46,
      "reading_at": "2026-04-15T06:30:00Z",
      "diurnal_swing_c": "-2.37",
      "free_run_c": "19.63",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.63",
      "humidity_pct": "79.0",
      "co2_ppm": "660"
    }
  },
  {
    "model": "app.reading",
    "pk": 839,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 47,
      "reading_at": "2026-04-15T07:00:00Z",
      "diurnal_swing_c": "-1.68",
      "free_run_c": "20.82",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "20.82",
      "humidity_pct": "76.9",
      "co2_ppm": "656"
    }
  },
  {
    "model": "app.reading",
    "pk": 840,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 47,
      "reading_at": "2026-04-16T07:00:00Z",
      "diurnal_swing_c": "-1.59",
      "free_run_c": "19.41",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.41",
      "humidity_pct": "77.2",
      "co2_ppm": "637"
    }
  },
  {
    "model": "app.reading",
    "pk": 841,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 45,
      "reading_at": "2026-04-15T06:00:00Z",
      "diurnal_swing_c": "-3.34",
      "free_run_c": "17.66",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "17.66",
      "humidity_pct": "77.1",
      "co2_ppm": "677"
    }
  },
  {
    "model": "app.reading",
    "pk": 842,
    "fields": {
      "zone_day": 5,
      "zone_id": 2,
      "slot_no": 48,
      "reading_at": "2026-04-15T07:30:00Z",
      "diurnal_swing_c": "-0.26",
      "free_run_c": "22.24",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.24",
      "humidity_pct": "76.0",
      "co2_ppm": "612"
    }
  },
  {
    "model": "app.reading",
    "pk": 843,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 47,
      "reading_at": "2026-04-15T07:00:00Z",
      "diurnal_swing_c": "-1.57",
      "free_run_c": "22.43",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.43",
      "humidity_pct": "78.9",
      "co2_ppm": "627"
    }
  },
  {
    "model": "app.reading",
    "pk": 844,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 46,
      "reading_at": "2026-04-15T06:30:00Z",
      "diurnal_swing_c": "-1.79",
      "free_run_c": "19.21",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.21",
      "humidity_pct": "78.4",
      "co2_ppm": "674"
    }
  },
  {
    "model": "app.reading",
    "pk": 845,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 47,
      "reading_at": "2026-04-15T07:00:00Z",
      "diurnal_swing_c": "-1.83",
      "free_run_c": "21.17",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.17",
      "humidity_pct": "75.0",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 846,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 46,
      "reading_at": "2026-04-16T06:30:00Z",
      "diurnal_swing_c": "-1.43",
      "free_run_c": "16.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.57",
      "humidity_pct": "77.5",
      "co2_ppm": "685"
    }
  },
  {
    "model": "app.reading",
    "pk": 847,
    "fields": {
      "zone_day": 12,
      "zone_id": 3,
      "slot_no": 48,
      "reading_at": "2026-04-16T07:30:00Z",
      "diurnal_swing_c": "-0.43",
      "free_run_c": "19.57",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.57",
      "humidity_pct": "74.3",
      "co2_ppm": "607"
    }
  },
  {
    "model": "app.reading",
    "pk": 848,
    "fields": {
      "zone_day": 16,
      "zone_id": 4,
      "slot_no": 48,
      "reading_at": "2026-04-17T07:30:00Z",
      "diurnal_swing_c": "-0.74",
      "free_run_c": "22.76",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.76",
      "humidity_pct": "70.7",
      "co2_ppm": "604"
    }
  },
  {
    "model": "app.reading",
    "pk": 849,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 47,
      "reading_at": "2026-04-15T07:00:00Z",
      "diurnal_swing_c": "-0.98",
      "free_run_c": "21.02",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.02",
      "humidity_pct": "76.2",
      "co2_ppm": "630"
    }
  },
  {
    "model": "app.reading",
    "pk": 850,
    "fields": {
      "zone_day": 1,
      "zone_id": 6,
      "slot_no": 48,
      "reading_at": "2026-04-15T07:30:00Z",
      "diurnal_swing_c": "-0.73",
      "free_run_c": "23.27",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.27",
      "humidity_pct": "71.8",
      "co2_ppm": "637"
    }
  },
  {
    "model": "app.reading",
    "pk": 851,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 47,
      "reading_at": "2026-04-15T07:00:00Z",
      "diurnal_swing_c": "-1.28",
      "free_run_c": "19.72",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.72",
      "humidity_pct": "77.6",
      "co2_ppm": null
    }
  },
  {
    "model": "app.reading",
    "pk": 852,
    "fields": {
      "zone_day": 18,
      "zone_id": 3,
      "slot_no": 48,
      "reading_at": "2026-04-17T07:30:00Z",
      "diurnal_swing_c": "-0.22",
      "free_run_c": "24.28",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.28",
      "humidity_pct": "75.1",
      "co2_ppm": "639"
    }
  },
  {
    "model": "app.reading",
    "pk": 853,
    "fields": {
      "zone_day": 10,
      "zone_id": 1,
      "slot_no": 48,
      "reading_at": "2026-04-15T07:30:00Z",
      "diurnal_swing_c": "-0.10",
      "free_run_c": "21.90",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "21.90",
      "humidity_pct": "73.1",
      "co2_ppm": "647"
    }
  },
  {
    "model": "app.reading",
    "pk": 854,
    "fields": {
      "zone_day": 9,
      "zone_id": 3,
      "slot_no": 48,
      "reading_at": "2026-04-15T07:30:00Z",
      "diurnal_swing_c": "-0.75",
      "free_run_c": "22.25",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "22.25",
      "humidity_pct": "71.2",
      "co2_ppm": "638"
    }
  },
  {
    "model": "app.reading",
    "pk": 855,
    "fields": {
      "zone_day": 6,
      "zone_id": 4,
      "slot_no": 48,
      "reading_at": "2026-04-16T07:30:00Z",
      "diurnal_swing_c": "-0.10",
      "free_run_c": "18.90",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.90",
      "humidity_pct": "77.2",
      "co2_ppm": "650"
    }
  },
  {
    "model": "app.reading",
    "pk": 856,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 46,
      "reading_at": "2026-04-17T06:30:00Z",
      "diurnal_swing_c": "-2.12",
      "free_run_c": "23.38",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "23.38",
      "humidity_pct": "76.0",
      "co2_ppm": "640"
    }
  },
  {
    "model": "app.reading",
    "pk": 857,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 47,
      "reading_at": "2026-04-16T07:00:00Z",
      "diurnal_swing_c": "-1.76",
      "free_run_c": "16.24",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.24",
      "humidity_pct": "75.7",
      "co2_ppm": "650"
    }
  },
  {
    "model": "app.reading",
    "pk": 858,
    "fields": {
      "zone_day": 7,
      "zone_id": 6,
      "slot_no": 48,
      "reading_at": "2026-04-16T07:30:00Z",
      "diurnal_swing_c": "-1.23",
      "free_run_c": "19.77",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.77",
      "humidity_pct": "73.0",
      "co2_ppm": "569"
    }
  },
  {
    "model": "app.reading",
    "pk": 859,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 47,
      "reading_at": "2026-04-16T07:00:00Z",
      "diurnal_swing_c": "-1.27",
      "free_run_c": "18.23",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.23",
      "humidity_pct": "74.2",
      "co2_ppm": "623"
    }
  },
  {
    "model": "app.reading",
    "pk": 860,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 47,
      "reading_at": "2026-04-17T07:00:00Z",
      "diurnal_swing_c": "-1.31",
      "free_run_c": "24.19",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.19",
      "humidity_pct": "74.9",
      "co2_ppm": "667"
    }
  },
  {
    "model": "app.reading",
    "pk": 861,
    "fields": {
      "zone_day": 11,
      "zone_id": 2,
      "slot_no": 48,
      "reading_at": "2026-04-16T07:30:00Z",
      "diurnal_swing_c": "-0.72",
      "free_run_c": "18.78",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "18.78",
      "humidity_pct": "75.8",
      "co2_ppm": "616"
    }
  },
  {
    "model": "app.reading",
    "pk": 862,
    "fields": {
      "zone_day": 3,
      "zone_id": 5,
      "slot_no": 48,
      "reading_at": "2026-04-16T07:30:00Z",
      "diurnal_swing_c": "-1.01",
      "free_run_c": "16.99",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "16.99",
      "humidity_pct": "71.5",
      "co2_ppm": "608"
    }
  },
  {
    "model": "app.reading",
    "pk": 863,
    "fields": {
      "zone_day": 13,
      "zone_id": 6,
      "slot_no": 48,
      "reading_at": "2026-04-17T07:30:00Z",
      "diurnal_swing_c": "-1.02",
      "free_run_c": "24.48",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "24.48",
      "humidity_pct": "73.4",
      "co2_ppm": "649"
    }
  },
  {
    "model": "app.reading",
    "pk": 864,
    "fields": {
      "zone_day": 2,
      "zone_id": 5,
      "slot_no": 48,
      "reading_at": "2026-04-15T07:30:00Z",
      "diurnal_swing_c": "-1.06",
      "free_run_c": "19.94",
      "vent_programme_share": "0.00",
      "vent_open_pct": "0",
      "vent_cooling_c": "0.00",
      "air_temp_c": "19.94",
      "humidity_pct": "74.4",
      "co2_ppm": "573"
    }
  }
]
