Made up test data.

data.json

[
  { "id": "device-one", "temperature": { "min": 5, "max": 30 }, "label": "14 Air Street" },
  { "id": "device-two", "temperature": { "min": 1, "max": 29 }, "label": "25 Rose Road" },
  { "id": "device-three", "temperature": { "min": 4, "max": 31 }, "label": "14 Brick Street" },
  { "id": "device-four", "temperature": { "min": -1, "max": 15 }, "label": "17 Mull Street" },
  { "id": "device-five", "temperature": { "min": 0, "max": 20 }, "label": "15 Raid Drive" },
  { "id": "device-six", "temperature": { "min": 10, "max": 22 }, "label": "26 Air Street" },
  { "id": "device-seven", "temperature": { "min": 4, "max": 33 }, "label": "34 Box Road" },
  { "id": "device-eight", "temperature": { "min": 0, "max": 29 }, "label": "114 Rosebery Street" },
  { "id": "device-nine", "temperature": { "min": 8, "max": 25 }, "label": "182 Basil Street" },
  { "id": "device-ten", "temperature": { "min": 3, "max": 27 }, "label": "9 Drury Terrace" }
]