Added absolute Humidity

briis · Oct 8, 2023 · ce494aa · ce494aa
1 parent 7f12f90
commit ce494aa
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diff --git a/pyweatherflow_forecast/data.py b/pyweatherflow_forecast/data.py
@@ -443,6 +443,16 @@ def __init__(
         self._precip_minutes_local_day_final = precip_minutes_local_day_final
         self._precip_minutes_local_yesterday_final = precip_minutes_local_yesterday_final
 
+    @property
+    def absolute_humidity(self) -> float:
+        """Aboslute Humidity (g.m-3)."""
+        if self._air_temperature is None or self._relative_humidity is None:
+            return None
+
+        kelvin = self._air_temperature * 273.16
+        humidity = self._relative_humidity / 100
+        return (1320.65 / kelvin) * humidity * (10 ** ((7.4475 * (kelvin - 273.14)) / (kelvin - 39.44)))
+
     @property
     def air_density(self) -> float:
         """Air Density."""

diff --git a/test_module.py b/test_module.py
@@ -30,6 +30,7 @@
 print("WIND DIRECTION: ", sensor_data.wind_direction)
 print("WIND CARDINAL: ", sensor_data.wind_cardinal)
 print("PRECIP CHECKED: ", sensor_data.precip_accum_local_day_final)
+print("ABSOLUTE HUMIDITY: ", sensor_data.absolute_humidity)
 
 # data: WeatherFlowStationData = weatherflow.get_station()
 # print("STATION NAME: ", data.station_name)