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 2010

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 2010 1-Month	18.9°F (-7.3°C)	23.8°F (-4.6°C)	-4.9°F (-2.7°C)	22nd Coolest	Coolest since: 1994	1977
January 2010 1-Month	18.9°F (-7.3°C)	23.8°F (-4.6°C)	-4.9°F (-2.7°C)	107th Warmest	Warmest since: 2009	2006
Dec 2009–Jan 2010 2-Month	23.2°F (-4.9°C)	26.2°F (-3.2°C)	-3.0°F (-1.7°C)	27th Coolest	Coolest since: 2009	1918
	23.2°F (-4.9°C)	26.2°F (-3.2°C)	-3.0°F (-1.7°C)	101st Warmest	Warmest since: 2008	1932
	Ties: 1986
Nov 2009–Jan 2010 3-Month	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 2009	1977
Nov 2009–Jan 2010 3-Month	31.0°F (-0.6°C)	30.8°F (-0.7°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 2008	2002
Oct 2009–Jan 2010 4-Month	35.4°F (1.9°C)	36.7°F (2.6°C)	-1.3°F (-0.7°C)	35th Coolest	Coolest since: 2009	1977
	35.4°F (1.9°C)	36.7°F (2.6°C)	-1.3°F (-0.7°C)	93rd Warmest	Warmest since: 2008	1932
	Ties: 1940
Sep 2009–Jan 2010 5-Month	41.4°F (5.2°C)	42.6°F (5.9°C)	-1.2°F (-0.7°C)	37th Coolest	Coolest since: 2009	1977
Sep 2009–Jan 2010 5-Month	41.4°F (5.2°C)	42.6°F (5.9°C)	-1.2°F (-0.7°C)	91st Warmest	Warmest since: 2008	1932
Aug 2009–Jan 2010 6-Month	46.2°F (7.9°C)	47.8°F (8.8°C)	-1.6°F (-0.9°C)	24th Coolest	Coolest since: 2009	1977
Aug 2009–Jan 2010 6-Month	46.2°F (7.9°C)	47.8°F (8.8°C)	-1.6°F (-0.9°C)	104th Warmest	Warmest since: 2008	1932
Jul 2009–Jan 2010 7-Month	49.6°F (9.8°C)	51.8°F (11.0°C)	-2.2°F (-1.2°C)	9th Coolest	Coolest since: 1997	1977
	49.6°F (9.8°C)	51.8°F (11.0°C)	-2.2°F (-1.2°C)	119th Warmest	Warmest since: 2009	1932
	Ties: 1978
Jun 2009–Jan 2010 8-Month	52.4°F (11.3°C)	54.2°F (12.3°C)	-1.8°F (-1.0°C)	13th Coolest	Coolest since: 2001	1977
	52.4°F (11.3°C)	54.2°F (12.3°C)	-1.8°F (-1.0°C)	115th Warmest	Warmest since: 2009	1932
	Ties: 1925, 1986, 1993, 2001
May 2009–Jan 2010 9-Month	53.6°F (12.0°C)	55.2°F (12.9°C)	-1.6°F (-0.9°C)	19th Coolest	Coolest since: 2009	1918, 1977
	53.6°F (12.0°C)	55.2°F (12.9°C)	-1.6°F (-0.9°C)	109th Warmest	Warmest since: 2008	1932
	Ties: 2014
Apr 2009–Jan 2010 10-Month	53.3°F (11.8°C)	54.8°F (12.7°C)	-1.5°F (-0.9°C)	20th Coolest	Coolest since: 2009	1918
	53.3°F (11.8°C)	54.8°F (12.7°C)	-1.5°F (-0.9°C)	108th Warmest	Warmest since: 2008	1932
	Ties: 1952
Mar 2009–Jan 2010 11-Month	52.2°F (11.2°C)	53.3°F (11.8°C)	-1.1°F (-0.6°C)	23rd Coolest	Coolest since: 2009	1918
	52.2°F (11.2°C)	53.3°F (11.8°C)	-1.1°F (-0.6°C)	105th Warmest	Warmest since: 2008	1932, 2013, 2017
	Ties: 1985, 1993
Feb 2009–Jan 2010 12-Month	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	33rd Coolest	Coolest since: 2009	1918
	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 2008	1932
	Ties: 1913, 1938, 1969
Aug 2008–Jan 2010 18-Month	49.0°F (9.4°C)	50.1°F (10.1°C)	-1.1°F (-0.7°C)	20th Coolest	Coolest since: 1997	1905, 1918
	49.0°F (9.4°C)	50.1°F (10.1°C)	-1.1°F (-0.7°C)	107th Warmest	Warmest since: 2009	2017
	Ties: 1903, 1963
Feb 2008–Jan 2010 24-Month	50.0°F (10.0°C)	51.2°F (10.7°C)	-1.2°F (-0.7°C)	13th Coolest	Coolest since: 1997	1918
	50.0°F (10.0°C)	51.2°F (10.7°C)	-1.2°F (-0.7°C)	114th Warmest	Warmest since: 2009	1932
	Ties: 1930, 1970, 1977, 1979, 1994
Feb 2007–Jan 2010 36-Month	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	39th Coolest	Coolest since: 1998	1905
	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 2009	1933
	Ties: 1900, 1901, 1910, 1913, 1917, 1938, 1973, 1983, 1986
Feb 2006–Jan 2010 48-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1999	1905
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	51st Warmest	Warmest since: 2009	1934
	Ties: 1914, 1916, 1931, 1938, 1948, 1967, 1994, 1995, 2016, 2017
Feb 2005–Jan 2010 60-Month	51.9°F (11.1°C)	51.2°F (10.7°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 2001	1906
	51.9°F (11.1°C)	51.2°F (10.7°C)	0.7°F (0.4°C)	34th Warmest	Warmest since: 2009	1935
	Ties: 1990, 1993

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings