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Meteorological Calculator

Temperature Conversion
Enter a number then click on the appropriate number to see the result

 

Wind Chill Calculation
This uses the new wind chill formula implemented in 2001.
Enter in the air temperature ( Tair ) in degrees Fahrenheit and wind speed in mph, then click on the Calculate WC to compute the wind chill ( WC ).

 

Relative Humidity Calculation
Enter in the air temperature ( Tair ) and dew point temperature ( Tdp) in degrees Fahrenheit ( oF ) then click on the Calculate RH to compute the relative humidity ( RH )

 

Heat Index Calculation
Enter in the air temperature ( Tair ) in degrees Fahrenheit and relative humidity ( RH ) in percent, then click on the Calculate HI to compute the heat index ( HI ).

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US Dept of Commerce
National Oceanic and Atmospheric Administration
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Glasgow Weather Forecast Office
101 Airport Road
Glasgow, MT 59230

Tel: (406) 228-4042

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