Windchill-calculator If you've ever stood outside on a cold windy day, you know that the wind can make you feel much colder than the air temperature might indicate. The reason is that the wind blows away the thin layer of warm air that normally surrounds your body. Clothing acts as insulation to help trap this warm air, which is heated by your skin. However, a strong wind can still draw heat away from your body unless you are wearing high-quality, wind-proof outwear. The stronger the wind and the lower the temperature, the more rapidly you lose body heat.
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