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, January 2011

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 2011 1-Month	20.6°F (-6.3°C)	23.8°F (-4.6°C)	-3.2°F (-1.7°C)	33rd Coolest	Coolest since: 2010	1977
January 2011 1-Month	20.6°F (-6.3°C)	23.8°F (-4.6°C)	-3.2°F (-1.7°C)	96th Warmest	Warmest since: 2008	2006
Dec 2010–Jan 2011 2-Month	22.3°F (-5.4°C)	26.1°F (-3.3°C)	-3.8°F (-2.1°C)	24th Coolest	Coolest since: 2009	1918
Dec 2010–Jan 2011 2-Month	22.3°F (-5.4°C)	26.1°F (-3.3°C)	-3.8°F (-2.1°C)	104th Warmest	Warmest since: 2010	1932
Nov 2010–Jan 2011 3-Month	29.3°F (-1.5°C)	30.8°F (-0.7°C)	-1.5°F (-0.8°C)	39th Coolest	Coolest since: 2009	1977
Nov 2010–Jan 2011 3-Month	29.3°F (-1.5°C)	30.8°F (-0.7°C)	-1.5°F (-0.8°C)	89th Warmest	Warmest since: 2010	2002
Oct 2010–Jan 2011 4-Month	36.0°F (2.2°C)	36.7°F (2.6°C)	-0.7°F (-0.4°C)	43rd Coolest	Coolest since: 2010	1977
	36.0°F (2.2°C)	36.7°F (2.6°C)	-0.7°F (-0.4°C)	85th Warmest	Warmest since: 2008	1932
	Ties: 1897, 1968, 2015
Sep 2010–Jan 2011 5-Month	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	49th Coolest	Coolest since: 2010	1977
	42.1°F (5.6°C)	42.6°F (5.9°C)	-0.5°F (-0.3°C)	79th Warmest	Warmest since: 2008	1932
	Ties: 1971
Aug 2010–Jan 2011 6-Month	47.8°F (8.8°C)	47.8°F (8.8°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 2010	1977
	47.8°F (8.8°C)	47.8°F (8.8°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 2008	1932
	Ties: 1917, 1924
Jul 2010–Jan 2011 7-Month	52.0°F (11.1°C)	51.8°F (11.0°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 2010	1977
	52.0°F (11.1°C)	51.8°F (11.0°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 2008	1932
	Ties: 1924, 2003, 2005
Jun 2010–Jan 2011 8-Month	54.8°F (12.7°C)	54.3°F (12.4°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 2010	1977
	54.8°F (12.7°C)	54.3°F (12.4°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 2008	1932
	Ties: 1906, 1909, 1933, 1974, 1976
May 2010–Jan 2011 9-Month	55.7°F (13.2°C)	55.1°F (12.8°C)	0.6°F (0.4°C)	75th Coolest	Coolest since: 2010	1918, 1977
	55.7°F (13.2°C)	55.1°F (12.8°C)	0.6°F (0.4°C)	53rd Warmest	Warmest since: 2008	1932
	Ties: 1909
Apr 2010–Jan 2011 10-Month	56.1°F (13.4°C)	54.8°F (12.7°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 2010	1918
	56.1°F (13.4°C)	54.8°F (12.7°C)	1.3°F (0.7°C)	29th Warmest	Warmest since: 2008	1932
	Ties: 1900
Mar 2010–Jan 2011 11-Month	54.9°F (12.7°C)	53.4°F (11.9°C)	1.5°F (0.8°C)	103rd Coolest	Coolest since: 2010	1918
	54.9°F (12.7°C)	53.4°F (11.9°C)	1.5°F (0.8°C)	25th Warmest	Warmest since: 2008	1932, 2013, 2017
	Ties: 1919, 1950, 1954, 1964
Feb 2010–Jan 2011 12-Month	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	97th Coolest	Coolest since: 2010	1918
	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	31st Warmest	Warmest since: 2008	1932
	Ties: 2005, 2022
Aug 2009–Jan 2011 18-Month	50.2°F (10.1°C)	50.1°F (10.1°C)	0.1°F (0.0°C)	72nd Coolest	Coolest since: 2010	1905, 1918
	50.2°F (10.1°C)	50.1°F (10.1°C)	0.1°F (0.0°C)	55th Warmest	Warmest since: 2008	2017
	Ties: 1907, 1941, 1953, 1960, 1967, 1974, 1996
Feb 2009–Jan 2011 24-Month	51.4°F (10.8°C)	51.3°F (10.7°C)	0.1°F (0.1°C)	75th Coolest	Coolest since: 2010	1918
	51.4°F (10.8°C)	51.3°F (10.7°C)	0.1°F (0.1°C)	52nd Warmest	Warmest since: 2008	1932
	Ties: 1938, 1972, 1987
Feb 2008–Jan 2011 36-Month	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	29th Coolest	Coolest since: 1998	1905
	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	97th Warmest	Warmest since: 2010	1933
	Ties: 1903, 1908, 1982, 1995
Feb 2007–Jan 2011 48-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1999	1905
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 2010	1934
	Ties: 1966, 1974, 1987, 1999
Feb 2006–Jan 2011 60-Month	51.5°F (10.8°C)	51.1°F (10.6°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1999	1906
	51.5°F (10.8°C)	51.1°F (10.6°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 2010	1935
	Ties: 1947, 1949, 1951, 1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings