Wikipedia

Wind chill

lowering of body temperature due to the passing-flow of lower-temperature air

Wind chill is the decrease in air temperature felt when wind touches the body.

A chart of wind chill values and how fast it is to get frostbite when outside in such temperatures[1].

Wind chill numbers are always lower than the actual outside temperature. When the temperature felt outside is higher than the real temperature, the heat index is used.

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References

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  1. ↑ "NWS Windchill Temperature". National Oceanic and Atmospheric Administration. Retrieved 4 August 2015.
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