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 1941

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
January 1941 1-Month	27.8°F (-2.3°C)	23.8°F (-4.6°C)	4.0°F (2.3°C)	98th Coolest	Coolest since: 1940	1977
	27.8°F (-2.3°C)	23.8°F (-4.6°C)	4.0°F (2.3°C)	32nd Warmest	Warmest since: 1939	2006
	Ties: 2021
Dec 1940–Jan 1941 2-Month	30.5°F (-0.8°C)	26.1°F (-3.3°C)	4.4°F (2.5°C)	107th Coolest	Coolest since: 1940	1918
Dec 1940–Jan 1941 2-Month	30.5°F (-0.8°C)	26.1°F (-3.3°C)	4.4°F (2.5°C)	22nd Warmest	Warmest since: 1939	1932
Nov 1940–Jan 1941 3-Month	32.8°F (0.4°C)	30.8°F (-0.7°C)	2.0°F (1.1°C)	90th Coolest	Coolest since: 1940	1977
	32.8°F (0.4°C)	30.8°F (-0.7°C)	2.0°F (1.1°C)	39th Warmest	Warmest since: 1939	2002
	Ties: 1909, 1992, 1998, 2004
Oct 1940–Jan 1941 4-Month	39.3°F (4.1°C)	36.8°F (2.7°C)	2.5°F (1.4°C)	107th Coolest	Coolest since: 1940	1977
	39.3°F (4.1°C)	36.8°F (2.7°C)	2.5°F (1.4°C)	22nd Warmest	Warmest since: 1939	1932
	Ties: 1999
Sep 1940–Jan 1941 5-Month	44.7°F (7.1°C)	42.6°F (5.9°C)	2.1°F (1.2°C)	105th Coolest	Coolest since: 1940	1977
	44.7°F (7.1°C)	42.6°F (5.9°C)	2.1°F (1.2°C)	24th Warmest	Warmest since: 1939	1932
	Ties: 2005
Aug 1940–Jan 1941 6-Month	49.5°F (9.7°C)	47.8°F (8.8°C)	1.7°F (0.9°C)	104th Coolest	Coolest since: 1940	1977
	49.5°F (9.7°C)	47.8°F (8.8°C)	1.7°F (0.9°C)	25th Warmest	Warmest since: 1939	1932
	Ties: 1937
Jul 1940–Jan 1941 7-Month	53.4°F (11.9°C)	51.8°F (11.0°C)	1.6°F (0.9°C)	104th Coolest	Coolest since: 1940	1977
	53.4°F (11.9°C)	51.8°F (11.0°C)	1.6°F (0.9°C)	25th Warmest	Warmest since: 1939	1932
	Ties: 1919, 1921, 1947, 2013
Jun 1940–Jan 1941 8-Month	55.9°F (13.3°C)	54.3°F (12.4°C)	1.6°F (0.9°C)	107th Coolest	Coolest since: 1940	1977
	55.9°F (13.3°C)	54.3°F (12.4°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 1939	1932
	Ties: 1900, 1922, 2008
May 1940–Jan 1941 9-Month	56.3°F (13.5°C)	55.2°F (12.9°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1940	1918, 1977
	56.3°F (13.5°C)	55.2°F (12.9°C)	1.1°F (0.6°C)	32nd Warmest	Warmest since: 1939	1932
	Ties: 1921, 1957, 2007
Apr 1940–Jan 1941 10-Month	55.6°F (13.1°C)	54.8°F (12.7°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1940	1918
	55.6°F (13.1°C)	54.8°F (12.7°C)	0.8°F (0.4°C)	41st Warmest	Warmest since: 1939	1932
	Ties: 1915, 1953, 1956, 1957, 1965, 1981, 1995
Mar 1940–Jan 1941 11-Month	53.8°F (12.1°C)	53.4°F (11.9°C)	0.4°F (0.2°C)	77th Coolest	Coolest since: 1940	1918
	53.8°F (12.1°C)	53.4°F (11.9°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1939	1932, 2013, 2017
	Ties: 1953, 1965
Feb 1940–Jan 1941 12-Month	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1940	1918
	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1939	1932
	Ties: 1898
Aug 1939–Jan 1941 18-Month	50.2°F (10.1°C)	50.1°F (10.1°C)	0.1°F (0.0°C)	71st Coolest	Coolest since: 1938	1905, 1918
	50.2°F (10.1°C)	50.1°F (10.1°C)	0.1°F (0.0°C)	57th Warmest	Warmest since: 1940	2017
	Ties: 1907, 1953, 1967, 1974, 1996, 2011
Feb 1939–Jan 1941 24-Month	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	78th Coolest	Coolest since: 1938	1918
	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	50th Warmest	Warmest since: 1940	1932
	Ties: 1936, 1990
Feb 1938–Jan 1941 36-Month	52.5°F (11.4°C)	51.2°F (10.7°C)	1.3°F (0.7°C)	109th Coolest	Coolest since: 1940	1905
	52.5°F (11.4°C)	51.2°F (10.7°C)	1.3°F (0.7°C)	18th Warmest	Warmest since: 1935	1933
	Ties: 2006
Feb 1937–Jan 1941 48-Month	52.0°F (11.1°C)	51.2°F (10.7°C)	0.8°F (0.4°C)	93rd Coolest	Coolest since: 1939	1905
	52.0°F (11.1°C)	51.2°F (10.7°C)	0.8°F (0.4°C)	33rd Warmest	Warmest since: 1940	1934
	Ties: 1936, 1955, 2022, 2023
Feb 1936–Jan 1941 60-Month	52.1°F (11.2°C)	51.2°F (10.7°C)	0.9°F (0.5°C)	104th Coolest	Coolest since: 1940	1906, 1907
	52.1°F (11.2°C)	51.2°F (10.7°C)	0.9°F (0.5°C)	21st Warmest	Warmest since: 1939	1935
	Ties: 1924, 1932, 1933, 1939, 1989, 1991

Citing This Page

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