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 1897

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
January 1897 1-Month	22.2°F (-5.4°C)	23.8°F (-4.6°C)	-1.6°F (-0.8°C)	40th Coolest	Coolest since: 1895	1977
January 1897 1-Month	22.2°F (-5.4°C)	23.8°F (-4.6°C)	-1.6°F (-0.8°C)	90th Warmest	Warmest since: 1896	2006
Dec 1896–Jan 1897 2-Month	28.0°F (-2.2°C)	26.1°F (-3.3°C)	1.9°F (1.1°C)	76th Coolest	Coolest to Date	1918
	28.0°F (-2.2°C)	26.1°F (-3.3°C)	1.9°F (1.1°C)	53rd Warmest	Warmest since: 1896	1932
	Ties: 1924, 1955
Nov 1896–Jan 1897 3-Month	31.2°F (-0.4°C)	30.8°F (-0.7°C)	0.4°F (0.3°C)	65th Coolest	Coolest to Date	1977
Nov 1896–Jan 1897 3-Month	31.2°F (-0.4°C)	30.8°F (-0.7°C)	0.4°F (0.3°C)	64th Warmest	Warmest since: 1896	2002
Oct 1896–Jan 1897 4-Month	36.0°F (2.2°C)	36.8°F (2.7°C)	-0.8°F (-0.5°C)	43rd Coolest	Coolest since: 1896	1977
	36.0°F (2.2°C)	36.8°F (2.7°C)	-0.8°F (-0.5°C)	86th Warmest	Warmest to Date	1932
	Ties: 1968, 2011, 2015
Sep 1896–Jan 1897 5-Month	41.1°F (5.1°C)	42.6°F (5.9°C)	-1.5°F (-0.8°C)	25th Coolest	Coolest to Date	1977
	41.1°F (5.1°C)	42.6°F (5.9°C)	-1.5°F (-0.8°C)	104th Warmest	Warmest since: 1896	1932
	Ties: 1902, 1938, 1951, 1952, 1962, 1986
Aug 1896–Jan 1897 6-Month	46.7°F (8.2°C)	47.8°F (8.8°C)	-1.1°F (-0.6°C)	32nd Coolest	Coolest to Date	1977
	46.7°F (8.2°C)	47.8°F (8.8°C)	-1.1°F (-0.6°C)	97th Warmest	Warmest since: 1896	1932
	Ties: 1902, 1946
Jul 1896–Jan 1897 7-Month	50.8°F (10.4°C)	51.8°F (11.0°C)	-1.0°F (-0.6°C)	36th Coolest	Coolest to Date	1977
Jul 1896–Jan 1897 7-Month	50.8°F (10.4°C)	51.8°F (11.0°C)	-1.0°F (-0.6°C)	93rd Warmest	Warmest since: 1896	1932
Jun 1896–Jan 1897 8-Month	53.4°F (11.9°C)	54.3°F (12.4°C)	-0.9°F (-0.5°C)	36th Coolest	Coolest to Date	1977
	53.4°F (11.9°C)	54.3°F (12.4°C)	-0.9°F (-0.5°C)	93rd Warmest	Warmest since: 1896	1932
	Ties: 1910, 1916
May 1896–Jan 1897 9-Month	55.1°F (12.8°C)	55.2°F (12.9°C)	-0.1°F (-0.1°C)	55th Coolest	Coolest to Date	1918, 1977
	55.1°F (12.8°C)	55.2°F (12.9°C)	-0.1°F (-0.1°C)	74th Warmest	Warmest since: 1896	1932
	Ties: 2003, 2004
Apr 1896–Jan 1897 10-Month	55.5°F (13.1°C)	54.8°F (12.7°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1896	1918
	55.5°F (13.1°C)	54.8°F (12.7°C)	0.7°F (0.4°C)	49th Warmest	Warmest to Date	1932
	Ties: 1933, 1966, 2018
Mar 1896–Jan 1897 11-Month	53.6°F (12.0°C)	53.4°F (11.9°C)	0.2°F (0.1°C)	72nd Coolest	Coolest to Date	1918
	53.6°F (12.0°C)	53.4°F (11.9°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1896	1932, 2013, 2017
	Ties: 1898, 1940, 1958, 1978
Feb 1896–Jan 1897 12-Month	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	72nd Coolest	Coolest since: 1896	1918
	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	57th Warmest	Warmest to Date	1932
	Ties: 1926, 1978, 2001, 2003
Aug 1895–Jan 1897 18-Month	50.3°F (10.2°C)	50.1°F (10.1°C)	0.2°F (0.1°C)	75th Coolest	Coolest to Date	1905, 1918
	50.3°F (10.2°C)	50.1°F (10.1°C)	0.2°F (0.1°C)	53rd Warmest	Warmest to Date	2017
	Ties: 1960, 1972, 1981
Feb 1895–Jan 1897 24-Month	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest to Date	1918
	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest to Date	1932
	Ties: 1909, 1910, 1912, 1916, 1937, 1944, 1984, 1985, 2009

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings