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 1989

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
January 1989 1-Month	34.3°F (1.3°C)	23.8°F (-4.6°C)	10.5°F (5.9°C)	126th Coolest	Coolest since: 1988	1977
January 1989 1-Month	34.3°F (1.3°C)	23.8°F (-4.6°C)	10.5°F (5.9°C)	4th Warmest	Warmest since: 1933	2006
Dec 1988–Jan 1989 2-Month	32.2°F (0.1°C)	26.1°F (-3.3°C)	6.1°F (3.4°C)	125th Coolest	Coolest since: 1988	1918
	32.2°F (0.1°C)	26.1°F (-3.3°C)	6.1°F (3.4°C)	4th Warmest	Warmest since: 1932	1932
	Ties: 1919, 2012, 2016
Nov 1988–Jan 1989 3-Month	35.3°F (1.8°C)	30.8°F (-0.7°C)	4.5°F (2.5°C)	123rd Coolest	Coolest since: 1988	1977
	35.3°F (1.8°C)	30.8°F (-0.7°C)	4.5°F (2.5°C)	6th Warmest	Warmest since: 1932	2002
	Ties: 2007, 2021
Oct 1988–Jan 1989 4-Month	38.7°F (3.7°C)	36.8°F (2.7°C)	1.9°F (1.0°C)	97th Coolest	Coolest since: 1988	1977
	38.7°F (3.7°C)	36.8°F (2.7°C)	1.9°F (1.0°C)	32nd Warmest	Warmest since: 1983	1932
	Ties: 1931, 1976, 2023
Sep 1988–Jan 1989 5-Month	44.5°F (6.9°C)	42.6°F (5.9°C)	1.9°F (1.0°C)	101st Coolest	Coolest since: 1988	1977
	44.5°F (6.9°C)	42.6°F (5.9°C)	1.9°F (1.0°C)	28th Warmest	Warmest since: 1983	1932
	Ties: 1950
Aug 1988–Jan 1989 6-Month	50.2°F (10.1°C)	47.8°F (8.8°C)	2.4°F (1.3°C)	115th Coolest	Coolest since: 1988	1977
	50.2°F (10.1°C)	47.8°F (8.8°C)	2.4°F (1.3°C)	14th Warmest	Warmest since: 1954	1932
	Ties: 1954, 2008
Jul 1988–Jan 1989 7-Month	54.2°F (12.3°C)	51.8°F (11.0°C)	2.4°F (1.3°C)	118th Coolest	Coolest since: 1988	1977
	54.2°F (12.3°C)	51.8°F (11.0°C)	2.4°F (1.3°C)	11th Warmest	Warmest since: 1942	1932
	Ties: 1931
Jun 1988–Jan 1989 8-Month	56.6°F (13.7°C)	54.2°F (12.3°C)	2.4°F (1.4°C)	115th Coolest	Coolest since: 1988	1977
Jun 1988–Jan 1989 8-Month	56.6°F (13.7°C)	54.2°F (12.3°C)	2.4°F (1.4°C)	14th Warmest	Warmest since: 1954	1932
May 1988–Jan 1989 9-Month	57.6°F (14.2°C)	55.1°F (12.8°C)	2.5°F (1.4°C)	119th Coolest	Coolest since: 1988	1918, 1977
	57.6°F (14.2°C)	55.1°F (12.8°C)	2.5°F (1.4°C)	10th Warmest	Warmest since: 1942	1932
	Ties: 1939
Apr 1988–Jan 1989 10-Month	57.0°F (13.9°C)	54.7°F (12.6°C)	2.3°F (1.3°C)	118th Coolest	Coolest since: 1988	1918
	57.0°F (13.9°C)	54.7°F (12.6°C)	2.3°F (1.3°C)	11th Warmest	Warmest since: 1942	1932
	Ties: 1931, 1934
Mar 1988–Jan 1989 11-Month	55.5°F (13.1°C)	53.4°F (11.9°C)	2.1°F (1.2°C)	115th Coolest	Coolest since: 1988	1918
	55.5°F (13.1°C)	53.4°F (11.9°C)	2.1°F (1.2°C)	14th Warmest	Warmest since: 1947	1932, 2013, 2017
	Ties: 1947, 2016
Feb 1988–Jan 1989 12-Month	52.9°F (11.6°C)	51.3°F (10.7°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1987	1918
	52.9°F (11.6°C)	51.3°F (10.7°C)	1.6°F (0.9°C)	23rd Warmest	Warmest since: 1988	1932
	Ties: 2007
Aug 1987–Jan 1989 18-Month	51.3°F (10.7°C)	50.1°F (10.1°C)	1.2°F (0.6°C)	102nd Coolest	Coolest since: 1987	1905, 1918
	51.3°F (10.7°C)	50.1°F (10.1°C)	1.2°F (0.6°C)	26th Warmest	Warmest since: 1988	2017
	Ties: 1934, 1949, 2012, 2021
Feb 1987–Jan 1989 24-Month	53.3°F (11.8°C)	51.2°F (10.7°C)	2.1°F (1.1°C)	119th Coolest	Coolest since: 1988	1918
Feb 1987–Jan 1989 24-Month	53.3°F (11.8°C)	51.2°F (10.7°C)	2.1°F (1.1°C)	9th Warmest	Warmest since: 1933	1932
Feb 1986–Jan 1989 36-Month	52.9°F (11.6°C)	51.2°F (10.7°C)	1.7°F (0.9°C)	118th Coolest	Coolest since: 1988	1905
	52.9°F (11.6°C)	51.2°F (10.7°C)	1.7°F (0.9°C)	9th Warmest	Warmest since: 1934	1933
	Ties: 2001
Feb 1985–Jan 1989 48-Month	52.3°F (11.3°C)	51.2°F (10.7°C)	1.1°F (0.6°C)	109th Coolest	Coolest since: 1988	1905
	52.3°F (11.3°C)	51.2°F (10.7°C)	1.1°F (0.6°C)	17th Warmest	Warmest since: 1958	1934
	Ties: 1922, 1958, 2009, 2014, 2018
Feb 1984–Jan 1989 60-Month	52.1°F (11.2°C)	51.2°F (10.7°C)	0.9°F (0.5°C)	104th Coolest	Coolest since: 1988	1906
	52.1°F (11.2°C)	51.2°F (10.7°C)	0.9°F (0.5°C)	21st Warmest	Warmest since: 1958	1935
	Ties: 1924, 1932, 1933, 1939, 1941, 1991

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings