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 8. Southwest

Average Temperature Rankings, August 2004

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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
August 2004 1-Month	71.7°F (22.1°C)	76.0°F (24.4°C)	-4.3°F (-2.3°C)	6th Coolest	Coolest since: 1992	1915
August 2004 1-Month	71.7°F (22.1°C)	76.0°F (24.4°C)	-4.3°F (-2.3°C)	123rd Warmest	Warmest since: 2003	1936
Jul–Aug 2004 2-Month	73.6°F (23.1°C)	77.0°F (25.0°C)	-3.4°F (-1.9°C)	6th Coolest	Coolest since: 1967	1967
Jul–Aug 2004 2-Month	73.6°F (23.1°C)	77.0°F (25.0°C)	-3.4°F (-1.9°C)	123rd Warmest	Warmest since: 2003	1936
Jun–Aug 2004 3-Month	73.2°F (22.9°C)	75.9°F (24.4°C)	-2.7°F (-1.5°C)	6th Coolest	Coolest since: 1967	1915, 1927
Jun–Aug 2004 3-Month	73.2°F (22.9°C)	75.9°F (24.4°C)	-2.7°F (-1.5°C)	123rd Warmest	Warmest since: 2003	1936
May–Aug 2004 4-Month	72.2°F (22.3°C)	73.2°F (22.9°C)	-1.0°F (-0.6°C)	32nd Coolest	Coolest since: 1997	1967
	72.2°F (22.3°C)	73.2°F (22.9°C)	-1.0°F (-0.6°C)	97th Warmest	Warmest since: 2003	1936
	Ties: 1979
Apr–Aug 2004 5-Month	69.2°F (20.7°C)	69.6°F (20.9°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1997	1907
Apr–Aug 2004 5-Month	69.2°F (20.7°C)	69.6°F (20.9°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 2003	2010
Mar–Aug 2004 6-Month	66.0°F (18.9°C)	65.5°F (18.6°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 2003	1904
	66.0°F (18.9°C)	65.5°F (18.6°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 2002	2012
	Ties: 1980, 1999
Feb–Aug 2004 7-Month	61.5°F (16.4°C)	61.1°F (16.2°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 2003	1904
	61.5°F (16.4°C)	61.1°F (16.2°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 2002	2012
	Ties: 1919, 1949, 1973
Jan–Aug 2004 8-Month	57.7°F (14.3°C)	57.3°F (14.1°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 2003	1912
	57.7°F (14.3°C)	57.3°F (14.1°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 2002	2012
	Ties: 1956, 1981, 1983, 2021
Dec 2003–Aug 2004 9-Month	55.5°F (13.1°C)	54.8°F (12.7°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 2003	1904
	55.5°F (13.1°C)	54.8°F (12.7°C)	0.7°F (0.4°C)	46th Warmest	Warmest since: 2002	2012
	Ties: 1913, 1942
Nov 2003–Aug 2004 10-Month	54.9°F (12.7°C)	53.8°F (12.1°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 2003	1904
	54.9°F (12.7°C)	53.8°F (12.1°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 2002	2012
	Ties: 1941, 1986, 2011, 2021
Oct 2003–Aug 2004 11-Month	55.2°F (12.9°C)	54.1°F (12.3°C)	1.1°F (0.6°C)	96th Coolest	Coolest since: 2003	1904
	55.2°F (12.9°C)	54.1°F (12.3°C)	1.1°F (0.6°C)	32nd Warmest	Warmest since: 2002	2012
	Ties: 1952, 1972, 1974, 1983, 2020
Sep 2003–Aug 2004 12-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 2003	1904
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 2002	2012
	Ties: 1909, 1911, 1919, 1946, 1952, 1964, 1983, 1992, 2021
Mar 2003–Aug 2004 18-Month	59.2°F (15.1°C)	58.7°F (14.8°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 2003	1904
	59.2°F (15.1°C)	58.7°F (14.8°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 2002	2012
	Ties: 1933, 1946, 1947, 1949
Sep 2002–Aug 2004 24-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	70th Coolest	Coolest since: 1997	1979
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	57th Warmest	Warmest since: 2003	2017
	Ties: 1898, 1926, 1940, 1941, 1946, 1950, 1993, 1995
Sep 2001–Aug 2004 36-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	92nd Coolest	Coolest since: 2003	1979
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	34th Warmest	Warmest since: 2002	2018
	Ties: 1974, 2005, 2011
Sep 2000–Aug 2004 48-Month	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 1999	1980
	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 2003	2019
	Ties: 1938, 1943, 1974, 1975, 1990, 1999
Sep 1999–Aug 2004 60-Month	56.2°F (13.4°C)	55.3°F (12.9°C)	0.9°F (0.5°C)	100th Coolest	Coolest since: 2000	1906
	56.2°F (13.4°C)	55.3°F (12.9°C)	0.9°F (0.5°C)	24th Warmest	Warmest since: 2003	2020
	Ties: 1925, 1933, 1955, 1991, 2005, 2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on April 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings