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Minimum temperature map of the United States from 1871–1888 Maximum temperature map of the United States from 1871–1888. The following table lists the highest and lowest temperatures recorded in the 50 U.S. states, the District of Columbia, and the 5 inhabited U.S. territories during the past two centuries, in both Fahrenheit and Celsius. [1]
Illinois averages around 50 days of thunderstorm activity a year which put it somewhat above average for number of thunderstorm days for the United States. Illinois is vulnerable to tornadoes with an average of 54 occurring annually, which puts much of the state at around 9.7 tornadoes per 10,000 square miles (30,000 km 2) annually.
The coldest day in history: 26 below! ... — Joe Condon, radio dispatcher for the Illinois Department of Transportation. Jan. 21, 1984: -22. Arctic blasts may be part of pattern
Satellite measurements of the surface temperature of Antarctica, taken between 1982 and 2013, found a coldest temperature of −93.2 °C (−135.8 °F) on 10 August 2010, at Although this is not comparable to an air temperature, it is believed that the air temperature at this location would have been lower than the official record lowest air ...
NOAA map shows when the average coldest day of the year typically ... the historic February 1899 cold outbreak, arguably the greatest in modern history, still is the all-time record holder in ...
Chicago, Illinois, reached −21 °F (−29.4 °C) [23] with wind chills of around −55 °F (−48.3 °C), [24] the coldest day of the 1990s in Chicago by far. [25] Almost all primary and secondary schools in Chicago were closed that day. Richard Daley, then mayor of Chicago advised residents not to go outside if they don't have to.
Springfield's recorded weather history has seen highs as high as 112 degrees and lows as low as 24 degrees below zero.
The 1985 North America cold wave [1] was a meteorological event which occurred in January 1985 as a result of the shifting of the polar vortex farther south than is normally seen. [1] Blocked from its normal movement, polar air from the north pushed into nearly every section of the central and eastern half of the United States and Canada ...