Which ever one you choose, make sure to use the corresponding source in Vapor Pressure From Temperauture . Returns the vapor pressure in millibars. 13.1180 Temperature From Vapor Pressure Finds the temperature from a given vapor pressure. Results Returns the corresponding temperature in Celsius. Finds the relative humidity from the actual and saturated vapor pressures.
Results Returns the relative humidity as a decimal.
For a percentage, multiply by 100. Specific Humidity Calculates the specific humidity from the actual vapor pressure and barometric pressure. Results Returns the specific humidity in grams per kilogram. 3.76 Mixing Ratio Calculates the mixing ratio from the actual vapor pressure and barometric pressure. Results Returns the mixing ratio in grams per kilogram.