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Skin temperature is the temperature of the outermost surface of the body. Normal human skin temperature on the trunk of the body varies between 33.5 and 36.9 °C (92.3 and 98.4 °F), though the skin's temperature is lower over protruding parts, like the nose, and higher over muscles and active organs. [ 1 ]
Heat illness is a spectrum of disorders due to increased body temperature. It can be caused by either environmental conditions or by exertion.It includes minor conditions such as heat cramps, heat syncope, and heat exhaustion as well as the more severe condition known as heat stroke. [1]
Other fixed points used in the past are the body temperature (of a healthy adult male) which was originally used by Fahrenheit as his upper fixed point (96 °F (35.6 °C) to be a number divisible by 12) and the lowest temperature given by a mixture of salt and ice, which was originally the definition of 0 °F (−17.8 °C). [37]
Climate data for Chicago (O'Hare Int'l Airport), 1991–2020 normals, [a] extremes 1871–present [b] Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
This is a list of cities by average temperature (monthly and yearly). The temperatures listed are averages of the daily highs and lows. Thus, the actual daytime temperature in a given month may be considerably higher than the temperature listed here, depending on how large the difference between daily highs and lows is.
The coldest temperature ever recorded in Chicago city limits is −27 °F (−33 °C) at O'Hare on January 20, 1985, [18] though unofficial temperatures as low as −3 °F (−19 °C) have been recorded at Chicago Aurora Airport in far western suburbs and in the rural areas to the west of Chicago. [43]
Chicago has a higher murder rate than the larger cities of New York and Los Angeles. However, while it has a large absolute number of crimes due to its size, Chicago is not among the top-25 most violent cities in the United States. [296] [297] Murder rates in Chicago vary greatly depending on the neighborhood in question. [298]
In Chicago, a temperature of −23 °F (−30.6 °C) and 30 mph winds resulted in a wind chill of −82 °F (−63.3 °C) (−57 °F (−49.4 °C) under the new formula) on Christmas Eve. 1985–1986 1985 Great Western cold air outbreak – February 1985 saw the contiguous U.S.'s second-coldest temperature of −69 °F (−56.1 °C) in Peter ...