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 1975

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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 1975 1-Month	27.6°F (-2.4°C)	23.8°F (-4.6°C)	3.8°F (2.2°C)	96th Coolest	Coolest since: 1974	1977
	27.6°F (-2.4°C)	23.8°F (-4.6°C)	3.8°F (2.2°C)	34th Warmest	Warmest since: 1967	2006
	Ties: 1986, 2013
Dec 1974–Jan 1975 2-Month	28.8°F (-1.8°C)	26.1°F (-3.3°C)	2.7°F (1.5°C)	92nd Coolest	Coolest since: 1974	1918
	28.8°F (-1.8°C)	26.1°F (-3.3°C)	2.7°F (1.5°C)	37th Warmest	Warmest since: 1967	1932
	Ties: 1954, 2000
Nov 1974–Jan 1975 3-Month	32.6°F (0.3°C)	30.8°F (-0.7°C)	1.8°F (1.0°C)	83rd Coolest	Coolest since: 1974	1977
	32.6°F (0.3°C)	30.8°F (-0.7°C)	1.8°F (1.0°C)	46th Warmest	Warmest since: 1967	2002
	Ties: 1908, 1958
Oct 1974–Jan 1975 4-Month	38.1°F (3.4°C)	36.8°F (2.7°C)	1.3°F (0.7°C)	85th Coolest	Coolest since: 1974	1977
	38.1°F (3.4°C)	36.8°F (2.7°C)	1.3°F (0.7°C)	44th Warmest	Warmest since: 1972	1932
	Ties: 1928, 1980
Sep 1974–Jan 1975 5-Month	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1973	1977
	42.5°F (5.8°C)	42.6°F (5.9°C)	-0.1°F (-0.1°C)	73rd Warmest	Warmest since: 1974	1932
	Ties: 1896
Aug 1974–Jan 1975 6-Month	47.3°F (8.5°C)	47.8°F (8.8°C)	-0.5°F (-0.3°C)	46th Coolest	Coolest since: 1973	1977
	47.3°F (8.5°C)	47.8°F (8.8°C)	-0.5°F (-0.3°C)	83rd Warmest	Warmest since: 1974	1932
	Ties: 1971
Jul 1974–Jan 1975 7-Month	51.6°F (10.9°C)	51.8°F (11.0°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1973	1977
	51.6°F (10.9°C)	51.8°F (11.0°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1974	1932
	Ties: 1896, 1944
Jun 1974–Jan 1975 8-Month	53.5°F (11.9°C)	54.3°F (12.4°C)	-0.8°F (-0.5°C)	39th Coolest	Coolest since: 1973	1977
	53.5°F (11.9°C)	54.3°F (12.4°C)	-0.8°F (-0.5°C)	90th Warmest	Warmest since: 1974	1932
	Ties: 1911
May 1974–Jan 1975 9-Month	54.3°F (12.4°C)	55.2°F (12.9°C)	-0.9°F (-0.5°C)	38th Coolest	Coolest since: 1973	1918, 1977
	54.3°F (12.4°C)	55.2°F (12.9°C)	-0.9°F (-0.5°C)	91st Warmest	Warmest since: 1974	1932
	Ties: 2015
Apr 1974–Jan 1975 10-Month	54.4°F (12.4°C)	54.8°F (12.7°C)	-0.4°F (-0.3°C)	46th Coolest	Coolest since: 1973	1918
	54.4°F (12.4°C)	54.8°F (12.7°C)	-0.4°F (-0.3°C)	83rd Warmest	Warmest since: 1974	1932
	Ties: 1928, 1991
Mar 1974–Jan 1975 11-Month	53.3°F (11.8°C)	53.4°F (11.9°C)	-0.1°F (-0.1°C)	59th Coolest	Coolest since: 1973	1918
	53.3°F (11.8°C)	53.4°F (11.9°C)	-0.1°F (-0.1°C)	70th Warmest	Warmest since: 1974	1932, 2013, 2017
	Ties: 1928
Feb 1974–Jan 1975 12-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1973	1918
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1974	1932
	Ties: 1940, 1998
Aug 1973–Jan 1975 18-Month	50.5°F (10.3°C)	50.1°F (10.1°C)	0.4°F (0.2°C)	82nd Coolest	Coolest since: 1974	1905, 1918
	50.5°F (10.3°C)	50.1°F (10.1°C)	0.4°F (0.2°C)	46th Warmest	Warmest since: 1965	2017
	Ties: 1902, 1909, 1924, 1957
Feb 1973–Jan 1975 24-Month	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	83rd Coolest	Coolest since: 1974	1918
	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	45th Warmest	Warmest since: 1965	1932
	Ties: 2005, 2020
Feb 1972–Jan 1975 36-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	60th Coolest	Coolest since: 1973	1905
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	67th Warmest	Warmest since: 1974	1933
	Ties: 1899, 1951, 1967, 1987
Feb 1971–Jan 1975 48-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	63rd Coolest	Coolest since: 1974	1905
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	63rd Warmest	Warmest since: 1967	1934
	Ties: 1959, 1960, 2012
Feb 1970–Jan 1975 60-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1974	1906, 1907
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1967	1935
	Ties: 1901, 1914, 1922, 1967, 1976, 1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on June 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings