Open bergie opened 7 years ago
Needed for the forecaster. Formula:
Tc = Temperature in degrees C Tdc is dewpoint in degrees C First calcutate saturation vapor pressure (Es) and actual vapor pressure (E): Es=6.11*10.0**(7.5*Td/(237.7+Td)) E=6.11*10.0**(7.5*Tdc/(237.7+Tdc)) Relative humidity then becomes (E/Es)*100
https://groups.google.com/forum/#!topic/uk.sci.weather/sIh6-ZV9GjI
Example https://github.com/c-base/c-flo/blob/master/components/AirportWeather.coffee
Needed for the forecaster. Formula:
https://groups.google.com/forum/#!topic/uk.sci.weather/sIh6-ZV9GjI