core/homeassistant/components/hydrawise/icons.json

{
  "entity": {
    "sensor": {
      "daily_active_water_use": {
        "default": "mdi:water"
      },
      "daily_inactive_water_use": {
        "default": "mdi:water"
      },
      "daily_total_water_use": {
        "default": "mdi:water"
      },
      "next_cycle": {
        "default": "mdi:clock-outline"
      },
      "watering_time": {
        "default": "mdi:timer-outline"
      }
    },
    "binary_sensor": {
      "rain_sensor": {
        "default": "mdi:weather-sunny",
        "state": {
          "off": "mdi:weather-sunny",
          "on": "mdi:weather-pouring"
        }
      }
    }
  }
}