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The National Weather Service office of Chicago has one of the longest periods of official weather records, dating back to 1870, though all the 1870 and 1871 weather records taken at 181 West Washington Street were lost in the Great Chicago Fire. Of the two major airports located in Chicago, Midway Airport began observations in 1928, and O'Hare ...
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 Record high °F (°C)
Normal annual snowfall exceeds 38 inches or 0.97 m in Chicago, while the southern portion of the state normally receives less than 14 inches or 0.36 m. [1] The highest temperature recorded in Illinois was 117 °F (47.2 °C), recorded on July 14, 1954, at East St. Louis , while the lowest temperature was −38 °F (−38.9 °C), recorded on ...
January is typically one of the two worst months for winter weather in the U.S. In some years that starts right as the new year arrives. On Jan. 2, 1999, 26 years ago today, a major snowstorm ...
In Chicago, snow seasons are tracked from July through the following June. The area normally can expect 38.4 inches, according to the National Weather Service. Chicago was warmer than average ...
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...
2006 – Weather radar improved by adding common precipitation to it such as freezing rain, rain and snow mixed, and snow for the first time. 2007 – The Fujita scale is replaced with the Enhanced Fujita scale for National Weather Service tornado assessments. [83] 2010s – Weather radar dramatically advances with more detailed options. [specify]
One of the most recent blizzards in Chicago took place on Feb. 1-2, 2011, when over 20 inches of snow piled up in Chicago.The powerful storm responsible for the blizzard also dealt wintry weather ...