{"ok":true,"project":"KIMLY KBGC3","sensor_id":1,"date":"2026-09-21","from":"2026-09-21 00:00:00","to":"2026-09-21 23:59:59","count":0,"latest_recorded_at":null,"summary":{"min_wbgt":null,"max_wbgt":null,"avg_wbgt":null},"readings":[]}