Statewide 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

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	68.6°F (20.3°C)	73.4°F (23.0°C)	-4.8°F (-2.7°C)	5th Coolest	Coolest since: 1992	1915
August 2004 1-Month	68.6°F (20.3°C)	73.4°F (23.0°C)	-4.8°F (-2.7°C)	124th Warmest	Warmest since: 2003	1947
Jul–Aug 2004 2-Month	70.7°F (21.5°C)	74.5°F (23.6°C)	-3.8°F (-2.1°C)	5th Coolest	Coolest since: 1967	1915
Jul–Aug 2004 2-Month	70.7°F (21.5°C)	74.5°F (23.6°C)	-3.8°F (-2.1°C)	124th Warmest	Warmest since: 2003	1936
Jun–Aug 2004 3-Month	70.5°F (21.4°C)	73.5°F (23.1°C)	-3.0°F (-1.7°C)	5th Coolest	Coolest since: 1992	1915
	70.5°F (21.4°C)	73.5°F (23.1°C)	-3.0°F (-1.7°C)	124th Warmest	Warmest since: 2003	1936
	Ties: 1950
May–Aug 2004 4-Month	69.3°F (20.7°C)	70.6°F (21.4°C)	-1.3°F (-0.7°C)	23rd Coolest	Coolest since: 1997	1915
May–Aug 2004 4-Month	69.3°F (20.7°C)	70.6°F (21.4°C)	-1.3°F (-0.7°C)	106th Warmest	Warmest since: 2003	1936
Apr–Aug 2004 5-Month	66.2°F (19.0°C)	66.8°F (19.3°C)	-0.6°F (-0.3°C)	37th Coolest	Coolest since: 1997	1907
	66.2°F (19.0°C)	66.8°F (19.3°C)	-0.6°F (-0.3°C)	92nd Warmest	Warmest since: 2003	1934
	Ties: 1940, 1960, 1974
Mar–Aug 2004 6-Month	62.8°F (17.1°C)	62.3°F (16.8°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 2003	1950, 1960
	62.8°F (17.1°C)	62.3°F (16.8°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 2002	2012
	Ties: 1905, 1910, 1944, 1983
Feb–Aug 2004 7-Month	58.1°F (14.5°C)	57.6°F (14.2°C)	0.5°F (0.3°C)	76th Coolest	Coolest since: 2003	1904
	58.1°F (14.5°C)	57.6°F (14.2°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 2002	2012
	Ties: 1942
Jan–Aug 2004 8-Month	53.9°F (12.2°C)	53.6°F (12.0°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 2003	1912
	53.9°F (12.2°C)	53.6°F (12.0°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 2002	2012
	Ties: 1935, 1943, 1957, 1977, 2022
Dec 2003–Aug 2004 9-Month	51.7°F (10.9°C)	50.9°F (10.5°C)	0.8°F (0.4°C)	85th Coolest	Coolest since: 2003	1904
	51.7°F (10.9°C)	50.9°F (10.5°C)	0.8°F (0.4°C)	43rd Warmest	Warmest since: 2002	2012
	Ties: 1913, 1946, 1957, 1973, 2018
Nov 2003–Aug 2004 10-Month	51.0°F (10.6°C)	49.9°F (9.9°C)	1.1°F (0.7°C)	94th Coolest	Coolest since: 2003	1904
Nov 2003–Aug 2004 10-Month	51.0°F (10.6°C)	49.9°F (9.9°C)	1.1°F (0.7°C)	34th Warmest	Warmest since: 2002	2012
Oct 2003–Aug 2004 11-Month	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 2003	1904
	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	35th Warmest	Warmest since: 2002	2012
	Ties: 1925, 1931, 1938, 1988
Sep 2003–Aug 2004 12-Month	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	86th Coolest	Coolest since: 2003	1904
	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	42nd Warmest	Warmest since: 2002	2012
	Ties: 1913, 2011
Mar 2003–Aug 2004 18-Month	55.7°F (13.2°C)	55.2°F (12.9°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 2003	1904
	55.7°F (13.2°C)	55.2°F (12.9°C)	0.5°F (0.3°C)	46th Warmest	Warmest since: 2002	2012
	Ties: 1911, 1989, 2019
Sep 2002–Aug 2004 24-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	75th Coolest	Coolest since: 1997	1905
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 2003	2017
	Ties: 1947, 1965, 1975, 1984, 1986, 1995
Sep 2001–Aug 2004 36-Month	52.6°F (11.4°C)	51.6°F (10.9°C)	1.0°F (0.5°C)	101st Coolest	Coolest since: 2003	1979
	52.6°F (11.4°C)	51.6°F (10.9°C)	1.0°F (0.5°C)	25th Warmest	Warmest since: 2002	2018
	Ties: 1922, 1935, 1987, 2005, 2021
Sep 2000–Aug 2004 48-Month	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1999	1905
	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 2003	2019
	Ties: 1941, 1944, 2010
Sep 1999–Aug 2004 60-Month	52.6°F (11.4°C)	51.6°F (10.9°C)	1.0°F (0.5°C)	100th Coolest	Coolest since: 2000	1906
	52.6°F (11.4°C)	51.6°F (10.9°C)	1.0°F (0.5°C)	24th Warmest	Warmest since: 2003	2020
	Ties: 2014

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings