=Introduction=
''Feels Like'' is a concept often quoted in weather forecasts, as the name suggests it attempts to quantify what a human skin detects as the temperature, taking into account any warming or cooling effect of exposure to different humidity levels, high wind, or shade/sunshine. The best way to quantify that has been discussed in many scientific papers following on from experimentation in various laboratories, and so different formulae have been used at different times as more is learnt about how the body reacts to different conditions.
A number ofAll formulae are used, all involve the air temperature and at least one of the following:
* (relative) humidity
* wind (speed)
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ThatVersion version3.6.0 and all earlier versions of MX, and versions of Cumulus 1 since those shown, support earlier definitions for feels like:
*From Version 1.9.1 (6 April 2011) [[Apparent_temperature]], this index was introduced by Steadman in 1971 who later revised his formula and many implementations use his later 1998 formula. Cumulus adopted the Australian Bureau of Meteorology implementation of Steadman formula.
*Although [[Heat_index]] was available in earlier versions, it was improved from version 1.9.0 (11 Sept 2010) in Cumulus 1 with a new formula covering a greater range of humidities accurately.
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