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, April 2005

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2005 1-Month	55.5°F (13.1°C)	51.3°F (10.7°C)	4.2°F (2.4°C)	112th Coolest	Coolest since: 2004	2018
	55.5°F (13.1°C)	51.3°F (10.7°C)	4.2°F (2.4°C)	17th Warmest	Warmest since: 2001	2010
	Ties: 2017
Mar–Apr 2005 2-Month	47.3°F (8.5°C)	45.2°F (7.3°C)	2.1°F (1.2°C)	97th Coolest	Coolest since: 2003	1960
Mar–Apr 2005 2-Month	47.3°F (8.5°C)	45.2°F (7.3°C)	2.1°F (1.2°C)	32nd Warmest	Warmest since: 2004	2012
Feb–Apr 2005 3-Month	43.3°F (6.3°C)	39.5°F (4.2°C)	3.8°F (2.1°C)	112th Coolest	Coolest since: 2004	1899
Feb–Apr 2005 3-Month	43.3°F (6.3°C)	39.5°F (4.2°C)	3.8°F (2.1°C)	17th Warmest	Warmest since: 2000	2012
Jan–Apr 2005 4-Month	39.3°F (4.1°C)	35.6°F (2.0°C)	3.7°F (2.1°C)	116th Coolest	Coolest since: 2004	1912
Jan–Apr 2005 4-Month	39.3°F (4.1°C)	35.6°F (2.0°C)	3.7°F (2.1°C)	13th Warmest	Warmest since: 2000	2012
Dec 2004–Apr 2005 5-Month	37.5°F (3.1°C)	34.2°F (1.2°C)	3.3°F (1.9°C)	114th Coolest	Coolest since: 2004	1978
	37.5°F (3.1°C)	34.2°F (1.2°C)	3.3°F (1.9°C)	14th Warmest	Warmest since: 2002	2012
	Ties: 1919, 1938
Nov 2004–Apr 2005 6-Month	38.6°F (3.7°C)	35.2°F (1.8°C)	3.4°F (1.9°C)	118th Coolest	Coolest since: 2004	1904, 1912, 1978
Nov 2004–Apr 2005 6-Month	38.6°F (3.7°C)	35.2°F (1.8°C)	3.4°F (1.9°C)	10th Warmest	Warmest since: 2002	2012
Oct 2004–Apr 2005 7-Month	40.9°F (4.9°C)	37.9°F (3.3°C)	3.0°F (1.6°C)	117th Coolest	Coolest since: 2004	1912
	40.9°F (4.9°C)	37.9°F (3.3°C)	3.0°F (1.6°C)	11th Warmest	Warmest since: 2002	2012
	Ties: 1999
Sep 2004–Apr 2005 8-Month	44.2°F (6.8°C)	41.5°F (5.3°C)	2.7°F (1.5°C)	117th Coolest	Coolest since: 2004	1904, 1978
	44.2°F (6.8°C)	41.5°F (5.3°C)	2.7°F (1.5°C)	11th Warmest	Warmest since: 2002	2017
	Ties: 1942
Aug 2004–Apr 2005 9-Month	46.9°F (8.3°C)	45.0°F (7.2°C)	1.9°F (1.1°C)	112th Coolest	Coolest since: 2004	1978
	46.9°F (8.3°C)	45.0°F (7.2°C)	1.9°F (1.1°C)	16th Warmest	Warmest since: 2002	2017
	Ties: 1991, 1998
Jul 2004–Apr 2005 10-Month	49.4°F (9.7°C)	48.1°F (8.9°C)	1.3°F (0.8°C)	101st Coolest	Coolest since: 2004	1904
	49.4°F (9.7°C)	48.1°F (8.9°C)	1.3°F (0.8°C)	27th Warmest	Warmest since: 2002	2012
	Ties: 1937, 1948, 1974
Jun 2004–Apr 2005 11-Month	51.2°F (10.7°C)	50.3°F (10.2°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 2004	1904
	51.2°F (10.7°C)	50.3°F (10.2°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 2002	2017
	Ties: 1948, 1953, 1989
May 2004–Apr 2005 12-Month	52.4°F (11.3°C)	51.3°F (10.7°C)	1.1°F (0.6°C)	101st Coolest	Coolest since: 2004	1918
	52.4°F (11.3°C)	51.3°F (10.7°C)	1.1°F (0.6°C)	27th Warmest	Warmest since: 2002	2017
	Ties: 1938, 1945, 1989, 2020
Nov 2003–Apr 2005 18-Month	47.5°F (8.6°C)	45.9°F (7.7°C)	1.6°F (0.9°C)	110th Coolest	Coolest since: 2004	1979
	47.5°F (8.6°C)	45.9°F (7.7°C)	1.6°F (0.9°C)	17th Warmest	Warmest since: 2003	2017
	Ties: 1988, 2003, 2018
May 2003–Apr 2005 24-Month	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	103rd Coolest	Coolest since: 2004	1905
	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	24th Warmest	Warmest since: 2003	2017
	Ties: 1934, 1943, 2020
May 2002–Apr 2005 36-Month	51.8°F (11.0°C)	51.2°F (10.7°C)	0.6°F (0.3°C)	87th Coolest	Coolest since: 2003	1979
	51.8°F (11.0°C)	51.2°F (10.7°C)	0.6°F (0.3°C)	39th Warmest	Warmest since: 2004	2018
	Ties: 1916, 2014, 2020
May 2001–Apr 2005 48-Month	52.3°F (11.3°C)	51.2°F (10.7°C)	1.1°F (0.6°C)	106th Coolest	Coolest since: 2004	1980
	52.3°F (11.3°C)	51.2°F (10.7°C)	1.1°F (0.6°C)	19th Warmest	Warmest since: 2002	1935
	Ties: 1940, 1955, 1990, 2013
May 2000–Apr 2005 60-Month	51.9°F (11.1°C)	51.2°F (10.7°C)	0.7°F (0.4°C)	91st Coolest	Coolest since: 2000	1906, 1979
	51.9°F (11.1°C)	51.2°F (10.7°C)	0.7°F (0.4°C)	33rd Warmest	Warmest since: 2004	1935
	Ties: 1937, 1945, 1989, 2000, 2010, 2016, 2017

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings