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 1901

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1901 1-Month	28.0°F (-2.2°C)	23.8°F (-4.6°C)	4.2°F (2.4°C)	103rd Coolest	Coolest since: 1899	1977
	28.0°F (-2.2°C)	23.8°F (-4.6°C)	4.2°F (2.4°C)	26th Warmest	Warmest since: 1900	2006
	Ties: 1983, 2007
Dec 1900–Jan 1901 2-Month	28.7°F (-1.8°C)	26.1°F (-3.3°C)	2.6°F (1.5°C)	89th Coolest	Coolest since: 1900	1918
	28.7°F (-1.8°C)	26.1°F (-3.3°C)	2.6°F (1.5°C)	39th Warmest	Warmest since: 1896	1932
	Ties: 2005
Nov 1900–Jan 1901 3-Month	31.9°F (-0.1°C)	30.8°F (-0.7°C)	1.1°F (0.6°C)	74th Coolest	Coolest since: 1899	1977
Nov 1900–Jan 1901 3-Month	31.9°F (-0.1°C)	30.8°F (-0.7°C)	1.1°F (0.6°C)	54th Warmest	Warmest since: 1900	2002
Oct 1900–Jan 1901 4-Month	39.0°F (3.9°C)	36.7°F (2.6°C)	2.3°F (1.3°C)	102nd Coolest	Coolest since: 1899	1977
	39.0°F (3.9°C)	36.7°F (2.6°C)	2.3°F (1.3°C)	26th Warmest	Warmest since: 1900	1932
	Ties: 2005
Sep 1900–Jan 1901 5-Month	44.8°F (7.1°C)	42.6°F (5.9°C)	2.2°F (1.2°C)	107th Coolest	Coolest since: 1899	1977
	44.8°F (7.1°C)	42.6°F (5.9°C)	2.2°F (1.2°C)	21st Warmest	Warmest since: 1900	1932
	Ties: 1995, 2000
Aug 1900–Jan 1901 6-Month	50.7°F (10.4°C)	47.8°F (8.8°C)	2.9°F (1.6°C)	119th Coolest	Coolest since: 1900	1977
Aug 1900–Jan 1901 6-Month	50.7°F (10.4°C)	47.8°F (8.8°C)	2.9°F (1.6°C)	9th Warmest	Warmest to Date	1932
Jul 1900–Jan 1901 7-Month	54.1°F (12.3°C)	51.8°F (11.0°C)	2.3°F (1.3°C)	115th Coolest	Coolest since: 1900	1977
	54.1°F (12.3°C)	51.8°F (11.0°C)	2.3°F (1.3°C)	13th Warmest	Warmest to Date	1932
	Ties: 1954, 1999
Jun 1900–Jan 1901 8-Month	56.2°F (13.4°C)	54.2°F (12.3°C)	2.0°F (1.1°C)	109th Coolest	Coolest since: 1900	1977
	56.2°F (13.4°C)	54.2°F (12.3°C)	2.0°F (1.1°C)	19th Warmest	Warmest to Date	1932
	Ties: 1999
May 1900–Jan 1901 9-Month	57.2°F (14.0°C)	55.2°F (12.9°C)	2.0°F (1.1°C)	111th Coolest	Coolest since: 1900	1918, 1977
	57.2°F (14.0°C)	55.2°F (12.9°C)	2.0°F (1.1°C)	17th Warmest	Warmest to Date	1932
	Ties: 1931, 2008
Apr 1900–Jan 1901 10-Month	56.7°F (13.7°C)	54.7°F (12.6°C)	2.0°F (1.1°C)	111th Coolest	Coolest since: 1900	1918
	56.7°F (13.7°C)	54.7°F (12.6°C)	2.0°F (1.1°C)	17th Warmest	Warmest to Date	1932
	Ties: 1992, 2012
Mar 1900–Jan 1901 11-Month	54.5°F (12.5°C)	53.3°F (11.8°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 1900	1918
Mar 1900–Jan 1901 11-Month	54.5°F (12.5°C)	53.3°F (11.8°C)	1.2°F (0.7°C)	33rd Warmest	Warmest to Date	1932, 2013, 2017
Feb 1900–Jan 1901 12-Month	51.7°F (10.9°C)	51.3°F (10.7°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1900	1918
	51.7°F (10.9°C)	51.3°F (10.7°C)	0.4°F (0.2°C)	50th Warmest	Warmest to Date	1932
	Ties: 1921, 1965
Aug 1899–Jan 1901 18-Month	51.1°F (10.6°C)	50.1°F (10.1°C)	1.0°F (0.5°C)	95th Coolest	Coolest since: 1900	1905, 1918
	51.1°F (10.6°C)	50.1°F (10.1°C)	1.0°F (0.5°C)	32nd Warmest	Warmest to Date	2017
	Ties: 1943
Feb 1899–Jan 1901 24-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	66th Coolest	Coolest since: 1900	1918
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	61st Warmest	Warmest since: 1898	1932
	Ties: 1949, 1964, 1976
Feb 1898–Jan 1901 36-Month	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	39th Coolest	Coolest since: 1900	1905
	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1900	1933
	Ties: 1900, 1910, 1913, 1917, 1938, 1973, 1983, 1986, 2010
Feb 1897–Jan 1901 48-Month	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1900	1905
	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1900	1934
	Ties: 1900, 1912, 1926, 1976
Feb 1896–Jan 1901 60-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1900	1906
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	73rd Warmest	Warmest to Date	1935
	Ties: 1914, 1922, 1967, 1975, 1976, 1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings