What determines the difference between the actual temperature and the heat index temperature?
#122582. Asked by 29CoveRoad. (Jul 22 11 9:47 PM)
The heat index temperature combines both the air (actual) temperature and the relevant humidity, so as to determine how hot you are actually feeling (known as the felt air temperature). The body cools itself by perspiration, which evaporates and carries heat away from the body. When humidity is high, the evaporation rate slows down and and you retain more heat and therefore feel hotter. A low humidity reading at the same air temperature would leave you feeling much cooler.
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