Enter a number, then click on the appropriate button to see the result.
Relative Humidity Calculation
Heat Index Calculation
Valid entries are, air temperatures greater than 80 °F ( 27 °C ), dew point temperatures greater than 65 °F ( 12 °C ), and relative humidities higher than 40 percent.
Original java script by Ron Moore of the Birmingham, AL, National Weather Service
Sailing Scuttlebutt World on Water Video Learning Center
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