Temperature Conversion
Enter a number then click on the appropriate number to see the result.
Fahrenheit (o F)
Celsius (o C)

Windchill Calculation
Enter in the air temperature (Tair) in degrees Fahrenheit and wind speed in mph, then click on the Calculate WC to compute the windchill (WC).
Tair		mph
More information about the wind chill.

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).
Tair		Tdp

Heat Index Calculation
Enter in the air temperature (Tair) in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), then click on the Calculate HI to compute the heat index (HI).
Tair		RH				Tdp=
OR
Tair		Tdp				RH=
More information about the Heat Index, and also about excessive heat.

Wind Speed Conversion
Input value here and then select units below	ANSWERS:
mph	mph
knots	knots
m/s	m/s
ft/s	ft/s
km/h	km/h

Station Pressure	on next page -- >