Divisional Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 3. West

Average Temperature Rankings, February 2011

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
February 2011 1-Month	28.1°F (-2.2°C)	28.1°F (-2.2°C)	0.0°F (0.0°C)	67th Coolest	Coolest since: 2010	1936
	28.1°F (-2.2°C)	28.1°F (-2.2°C)	0.0°F (0.0°C)	62nd Warmest	Warmest since: 2009	2017
	Ties: 1970
Jan–Feb 2011 2-Month	24.4°F (-4.2°C)	26.0°F (-3.3°C)	-1.6°F (-0.9°C)	42nd Coolest	Coolest since: 2010	1979
	24.4°F (-4.2°C)	26.0°F (-3.3°C)	-1.6°F (-0.9°C)	87th Warmest	Warmest since: 2009	2017
	Ties: 1900, 2007
Dec 2010–Feb 2011 3-Month	24.2°F (-4.3°C)	26.7°F (-2.9°C)	-2.5°F (-1.4°C)	24th Coolest	Coolest since: 2010	1936
	24.2°F (-4.3°C)	26.7°F (-2.9°C)	-2.5°F (-1.4°C)	104th Warmest	Warmest since: 2009	1932
	Ties: 1940
Nov 2010–Feb 2011 4-Month	29.0°F (-1.7°C)	30.1°F (-1.1°C)	-1.1°F (-0.6°C)	35th Coolest	Coolest since: 2010	1936
	29.0°F (-1.7°C)	30.1°F (-1.1°C)	-1.1°F (-0.6°C)	93rd Warmest	Warmest since: 2009	1932
	Ties: 1968, 1969
Oct 2010–Feb 2011 5-Month	34.4°F (1.3°C)	35.0°F (1.7°C)	-0.6°F (-0.4°C)	45th Coolest	Coolest since: 2010	1977
	34.4°F (1.3°C)	35.0°F (1.7°C)	-0.6°F (-0.4°C)	83rd Warmest	Warmest since: 2008	1932
	Ties: 1937, 1984
Sep 2010–Feb 2011 6-Month	39.8°F (4.3°C)	40.2°F (4.6°C)	-0.4°F (-0.3°C)	48th Coolest	Coolest since: 2010	1977
	39.8°F (4.3°C)	40.2°F (4.6°C)	-0.4°F (-0.3°C)	80th Warmest	Warmest since: 2008	1932
	Ties: 1944, 1975, 1988, 2019
Aug 2010–Feb 2011 7-Month	45.0°F (7.2°C)	45.0°F (7.2°C)	0.0°F (0.0°C)	61st Coolest	Coolest since: 2010	1977
	45.0°F (7.2°C)	45.0°F (7.2°C)	0.0°F (0.0°C)	67th Warmest	Warmest since: 2008	1932
	Ties: 1924, 1933, 1960
Jul 2010–Feb 2011 8-Month	49.0°F (9.4°C)	48.8°F (9.3°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 2010	1977
	49.0°F (9.4°C)	48.8°F (9.3°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 2008	1932
	Ties: 1924, 1933, 1988
Jun 2010–Feb 2011 9-Month	51.9°F (11.1°C)	51.4°F (10.8°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 2010	1977
	51.9°F (11.1°C)	51.4°F (10.8°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 2008	1932
	Ties: 1900, 1988
May 2010–Feb 2011 10-Month	53.0°F (11.7°C)	52.5°F (11.4°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 2010	1918
	53.0°F (11.7°C)	52.5°F (11.4°C)	0.5°F (0.3°C)	48th Warmest	Warmest since: 2008	1932
	Ties: 1898, 1933, 1960, 1965
Apr 2010–Feb 2011 11-Month	53.5°F (11.9°C)	52.3°F (11.3°C)	1.2°F (0.6°C)	100th Coolest	Coolest since: 2010	1918
	53.5°F (11.9°C)	52.3°F (11.3°C)	1.2°F (0.6°C)	28th Warmest	Warmest since: 2008	1932
	Ties: 1919, 1964, 1976, 1988, 2005, 2008, 2022
Mar 2010–Feb 2011 12-Month	52.6°F (11.4°C)	51.2°F (10.7°C)	1.4°F (0.7°C)	99th Coolest	Coolest since: 2010	1918
	52.6°F (11.4°C)	51.2°F (10.7°C)	1.4°F (0.7°C)	29th Warmest	Warmest since: 2008	2017
	Ties: 1950
Sep 2009–Feb 2011 18-Month	47.8°F (8.8°C)	47.5°F (8.6°C)	0.3°F (0.2°C)	76th Coolest	Coolest since: 2010	1905
	47.8°F (8.8°C)	47.5°F (8.6°C)	0.3°F (0.2°C)	51st Warmest	Warmest since: 2008	2017
	Ties: 1897, 1920, 1948, 1958, 1974, 1975, 1976, 1996
Mar 2009–Feb 2011 24-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 2010	1905
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 2009	2017
	Ties: 1916, 1944, 1964, 1974
Mar 2008–Feb 2011 36-Month	50.9°F (10.5°C)	51.3°F (10.7°C)	-0.4°F (-0.2°C)	41st Coolest	Coolest since: 2010	1979
	50.9°F (10.5°C)	51.3°F (10.7°C)	-0.4°F (-0.2°C)	85th Warmest	Warmest since: 2010	2018
	Ties: 1903, 1913, 1946, 1982, 2010
Mar 2007–Feb 2011 48-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	71st Coolest	Coolest since: 2010	1905, 1980
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 2009	1934, 1935, 2019
	Ties: 1914, 1917, 1976, 1999, 2015, 2016
Mar 2006–Feb 2011 60-Month	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	73rd Coolest	Coolest since: 1999	1905
	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	51st Warmest	Warmest since: 2010	1935
	Ties: 1915, 1946, 1954, 1959, 1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings