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Temperature as perceived by humans From Wikipedia, the free encyclopedia
Apparent temperature, also known as "feels like",[1][2] is the temperature equivalent perceived by humans, caused by the combined effects of air temperature, relative humidity and wind speed. The measure is most commonly applied to the perceived outdoor temperature. Apparent temperature was invented by Robert Steadman[3] who published a paper about it in 1984.[4] However, it also applies to indoor temperatures, especially saunas, and when houses and workplaces are not sufficiently heated or cooled.
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Apparent temperature | |
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Dimension | Index calculated to be similar to a temperature |
Since there is no direct measurement of solar radiation in U.S. observation systems, and solar radiation can add up to 15 °F (8.3 °C) to the apparent temperature, commercial weather companies have attempted to develop their own proprietary apparent temperature systems, including The Weather Company's "FeelsLike" and AccuWeather's "RealFeel". These systems, while their exact mechanisms are trade secrets, are believed to estimate the effect of solar radiation based on the available meteorological data that is reported (such as UV index and cloud cover).
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