Heat Index Effects

The heat index is a precise calculation of how hot it really feels when the affects of humidity are added to high air temperature.

Heat Index Calculator
Temp (OAT)	°F °C
Rel. Humidity	%
Heat Index °F	°C

Note: use temperatures above 79 °F or 26 °C and relative humidity between 40 and 100 %.

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See the image below for a tabular representation of the heat index.

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