Rain Estimate Sensor

configuration.yaml

sensor:
  - platform: rest
    # find your station on https://hydrometrie.wallonie.be/home/observations/precipitation.html?mode=map&station=DGH%2F2348
    # here DGH%2F2348
    resource_template: https://hydrometrie.wallonie.be/services/KiWIS/KiWIS?request=getTimeseriesValues&service=kisters&type=queryServices&datasource=0&format=json&maxquality=206&forceCacheHeaderTime=300&valuesasstring=false&ts_path=DGH%2F2348%2FPrecip%2FDay.Total&metadata=false&md_returnfields=ts_id%2C%20ts_path%2C%20ts_spacing%2C%20ts_name%2C%20ts_shortname%2C%20station_no%2C%20station_id%2C%20station_latitude%2C%20station_longitude%2C%20station_name%2C%20ts_unitname%2C%20ts_unitsymbol%2C%20stationparameter_name%2C%20ca_sta&from={{  today_at("00:00").isoformat() }}&returnfields=Timestamp%2CValue
    name: "Hydrometrie Lillois"
    scan_interval: 1800
    unit_of_measurement: "mm"
    device_class: "precipitation"
    value_template: "{{ value_json[0]['data'][-1][1] }}"
 
template:
  - sensor:
      - name: "roof_rain"
        unit_of_measurement: "L"
        device_class: water
        state_class: measurement
        # More or less 70m2 of roofs
        state: >
          {{ states ('sensor.hydrometrie_lillois')|float(0) * 70 }}

utility_meter:
  hourly_rain_in_tank:
    source: sensor.roof_rain
    cycle: hourly

  daily_rain_in_tank:
    source: sensor.roof_rain
    cycle: daily

  monthly_rain_in_tank:
    source: sensor.roof_rain
    cycle: monthly

  quarterly_rain_in_tank:
    source: sensor.roof_rain
    cycle: quarterly

  yearly_rain_in_tank:
    source: sensor.roof_rain
    cycle: yearly