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 1931

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
January 1931 1-Month	31.2°F (-0.4°C)	23.8°F (-4.6°C)	7.4°F (4.2°C)	118th Coolest	Coolest since: 1930	1977
January 1931 1-Month	31.2°F (-0.4°C)	23.8°F (-4.6°C)	7.4°F (4.2°C)	12th Warmest	Warmest since: 1921	2006
Dec 1930–Jan 1931 2-Month	30.3°F (-0.9°C)	26.1°F (-3.3°C)	4.2°F (2.4°C)	106th Coolest	Coolest since: 1930	1918
Dec 1930–Jan 1931 2-Month	30.3°F (-0.9°C)	26.1°F (-3.3°C)	4.2°F (2.4°C)	23rd Warmest	Warmest since: 1921	1932
Nov 1930–Jan 1931 3-Month	34.1°F (1.2°C)	30.8°F (-0.7°C)	3.3°F (1.9°C)	108th Coolest	Coolest since: 1930	1977
	34.1°F (1.2°C)	30.8°F (-0.7°C)	3.3°F (1.9°C)	21st Warmest	Warmest since: 1923	2002
	Ties: 2023
Oct 1930–Jan 1931 4-Month	38.7°F (3.7°C)	36.8°F (2.7°C)	1.9°F (1.0°C)	97th Coolest	Coolest since: 1930	1977
	38.7°F (3.7°C)	36.8°F (2.7°C)	1.9°F (1.0°C)	32nd Warmest	Warmest since: 1923	1932
	Ties: 1976, 1989, 2023
Sep 1930–Jan 1931 5-Month	44.9°F (7.2°C)	42.6°F (5.9°C)	2.3°F (1.3°C)	111th Coolest	Coolest since: 1930	1977
	44.9°F (7.2°C)	42.6°F (5.9°C)	2.3°F (1.3°C)	18th Warmest	Warmest since: 1923	1932
	Ties: 1900, 1983
Aug 1930–Jan 1931 6-Month	50.1°F (10.1°C)	47.8°F (8.8°C)	2.3°F (1.3°C)	112th Coolest	Coolest since: 1930	1977
	50.1°F (10.1°C)	47.8°F (8.8°C)	2.3°F (1.3°C)	17th Warmest	Warmest since: 1923	1932
	Ties: 1934
Jul 1930–Jan 1931 7-Month	54.2°F (12.3°C)	51.8°F (11.0°C)	2.4°F (1.3°C)	118th Coolest	Coolest since: 1930	1977
	54.2°F (12.3°C)	51.8°F (11.0°C)	2.4°F (1.3°C)	11th Warmest	Warmest since: 1914	1932
	Ties: 1989
Jun 1930–Jan 1931 8-Month	56.4°F (13.6°C)	54.3°F (12.4°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 1930	1977
	56.4°F (13.6°C)	54.3°F (12.4°C)	2.1°F (1.2°C)	15th Warmest	Warmest since: 1923	1932
	Ties: 1923
May 1930–Jan 1931 9-Month	57.2°F (14.0°C)	55.2°F (12.9°C)	2.0°F (1.1°C)	112th Coolest	Coolest since: 1930	1918, 1977
	57.2°F (14.0°C)	55.2°F (12.9°C)	2.0°F (1.1°C)	17th Warmest	Warmest since: 1923	1932
	Ties: 1901, 2008
Apr 1930–Jan 1931 10-Month	57.0°F (13.9°C)	54.8°F (12.7°C)	2.2°F (1.2°C)	118th Coolest	Coolest since: 1930	1918
	57.0°F (13.9°C)	54.8°F (12.7°C)	2.2°F (1.2°C)	11th Warmest	Warmest since: 1914	1932
	Ties: 1934, 1989
Mar 1930–Jan 1931 11-Month	55.3°F (12.9°C)	53.4°F (11.9°C)	1.9°F (1.0°C)	109th Coolest	Coolest since: 1930	1918
	55.3°F (12.9°C)	53.4°F (11.9°C)	1.9°F (1.0°C)	20th Warmest	Warmest since: 1923	1932, 2013, 2017
	Ties: 1999, 2012, 2022
Feb 1930–Jan 1931 12-Month	53.9°F (12.2°C)	51.2°F (10.7°C)	2.7°F (1.5°C)	122nd Coolest	Coolest since: 1930	1918
	53.9°F (12.2°C)	51.2°F (10.7°C)	2.7°F (1.5°C)	7th Warmest	Warmest since: 1922	1932
	Ties: 1999
Aug 1929–Jan 1931 18-Month	50.9°F (10.5°C)	50.1°F (10.1°C)	0.8°F (0.4°C)	90th Coolest	Coolest since: 1930	1905, 1918
	50.9°F (10.5°C)	50.1°F (10.1°C)	0.8°F (0.4°C)	38th Warmest	Warmest since: 1923	2017
	Ties: 1958
Feb 1929–Jan 1931 24-Month	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	80th Coolest	Coolest since: 1930	1918
	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	48th Warmest	Warmest since: 1924	1932
	Ties: 1898
Feb 1928–Jan 1931 36-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	68th Coolest	Coolest since: 1930	1905
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	59th Warmest	Warmest since: 1924	1933
	Ties: 1898, 1974, 1994
Feb 1927–Jan 1931 48-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1930	1905
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	52nd Warmest	Warmest since: 1925	1934
	Ties: 1914, 1916, 1938, 1948, 1967, 1994, 1995, 2010, 2016, 2017
Feb 1926–Jan 1931 60-Month	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1930	1906, 1907
	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1926	1935
	Ties: 1994

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings