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Relative Humidity

by Tim Brice and Todd Hall
 
 
Enter a temperature, relative humidity and actual station pressure
 
Temperature:  wet-bulb  unit

dewpoint

Fahrenheit Celsius Kelvin Fahrenheit
RH: Celsius
% Kelvin
Enter your actual station pressure (not the altimeter setting):  
in of mercury mm of mercury millibars (hPA)  

 

What is the formula for the relative humidity script?