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 7. East Southeast

Average Temperature Rankings, September 2004

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2004 1-Month	68.6°F (20.3°C)	67.4°F (19.7°C)	1.2°F (0.6°C)	80th Coolest	Coolest since: 2003	1918
	68.6°F (20.3°C)	67.4°F (19.7°C)	1.2°F (0.6°C)	49th Warmest	Warmest since: 2002	1925
	Ties: 1988, 2008, 2010
Aug–Sep 2004 2-Month	69.2°F (20.7°C)	70.8°F (21.6°C)	-1.6°F (-0.9°C)	20th Coolest	Coolest since: 1994	1967
	69.2°F (20.7°C)	70.8°F (21.6°C)	-1.6°F (-0.9°C)	109th Warmest	Warmest since: 2003	1936
	Ties: 1904, 1907, 1918, 1928, 1975
Jul–Sep 2004 3-Month	70.7°F (21.5°C)	72.7°F (22.6°C)	-2.0°F (-1.1°C)	14th Coolest	Coolest since: 1994	1967
	70.7°F (21.5°C)	72.7°F (22.6°C)	-2.0°F (-1.1°C)	115th Warmest	Warmest since: 2003	1936
	Ties: 1951, 1994
Jun–Sep 2004 4-Month	70.8°F (21.6°C)	72.6°F (22.6°C)	-1.8°F (-1.0°C)	17th Coolest	Coolest since: 1992	1967
Jun–Sep 2004 4-Month	70.8°F (21.6°C)	72.6°F (22.6°C)	-1.8°F (-1.0°C)	112th Warmest	Warmest since: 2003	1936
May–Sep 2004 5-Month	70.2°F (21.2°C)	70.7°F (21.5°C)	-0.5°F (-0.3°C)	46th Coolest	Coolest since: 2003	1924
	70.2°F (21.2°C)	70.7°F (21.5°C)	-0.5°F (-0.3°C)	83rd Warmest	Warmest since: 2002	1936
	Ties: 1940, 1996
Apr–Sep 2004 6-Month	67.7°F (19.8°C)	67.7°F (19.8°C)	0.0°F (0.0°C)	61st Coolest	Coolest since: 2003	1907
Apr–Sep 2004 6-Month	67.7°F (19.8°C)	67.7°F (19.8°C)	0.0°F (0.0°C)	68th Warmest	Warmest since: 2002	2010
Mar–Sep 2004 7-Month	64.7°F (18.2°C)	64.0°F (17.8°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 2003	1924
	64.7°F (18.2°C)	64.0°F (17.8°C)	0.7°F (0.4°C)	45th Warmest	Warmest since: 2002	2012
	Ties: 1942, 1985
Feb–Sep 2004 8-Month	60.6°F (15.9°C)	59.9°F (15.5°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 2003	1904, 1924
	60.6°F (15.9°C)	59.9°F (15.5°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 2002	2012
	Ties: 1976, 1995
Jan–Sep 2004 9-Month	56.9°F (13.8°C)	56.4°F (13.6°C)	0.5°F (0.2°C)	75th Coolest	Coolest since: 2003	1979
	56.9°F (13.8°C)	56.4°F (13.6°C)	0.5°F (0.2°C)	54th Warmest	Warmest since: 2002	2012
	Ties: 1935
Dec 2003–Sep 2004 10-Month	54.7°F (12.6°C)	53.9°F (12.2°C)	0.8°F (0.4°C)	83rd Coolest	Coolest since: 2003	1904
	54.7°F (12.6°C)	53.9°F (12.2°C)	0.8°F (0.4°C)	45th Warmest	Warmest since: 2002	2012
	Ties: 1896, 1908, 1957, 1986, 1992
Nov 2003–Sep 2004 11-Month	54.0°F (12.2°C)	52.8°F (11.6°C)	1.2°F (0.6°C)	93rd Coolest	Coolest since: 2003	1904
Nov 2003–Sep 2004 11-Month	54.0°F (12.2°C)	52.8°F (11.6°C)	1.2°F (0.6°C)	35th Warmest	Warmest since: 2002	2012
Oct 2003–Sep 2004 12-Month	54.1°F (12.3°C)	53.0°F (11.7°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 2003	1904
	54.1°F (12.3°C)	53.0°F (11.7°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 2002	2012
	Ties: 1931, 1934, 1949, 1957, 1972
Apr 2003–Sep 2004 18-Month	58.5°F (14.7°C)	58.0°F (14.4°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 2003	1918
	58.5°F (14.7°C)	58.0°F (14.4°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 2002	2012
	Ties: 1913, 1938, 1972, 1983, 2021
Oct 2002–Sep 2004 24-Month	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	71st Coolest	Coolest since: 1997	1979
	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	56th Warmest	Warmest since: 2003	2017
	Ties: 1909, 1920, 1965, 1972, 1975, 1989, 1993, 1996, 2009
Oct 2001–Sep 2004 36-Month	54.1°F (12.3°C)	53.0°F (11.7°C)	1.1°F (0.6°C)	102nd Coolest	Coolest since: 2003	1979
	54.1°F (12.3°C)	53.0°F (11.7°C)	1.1°F (0.6°C)	24th Warmest	Warmest since: 2002	2018
	Ties: 1922, 1935, 1987, 2020
Oct 2000–Sep 2004 48-Month	53.8°F (12.1°C)	53.1°F (11.7°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 1999	1980
	53.8°F (12.1°C)	53.1°F (11.7°C)	0.7°F (0.4°C)	35th Warmest	Warmest since: 2003	2019
	Ties: 1923, 1924, 2014
Oct 1999–Sep 2004 60-Month	54.0°F (12.2°C)	53.0°F (11.7°C)	1.0°F (0.5°C)	101st Coolest	Coolest since: 2000	1982
	54.0°F (12.2°C)	53.0°F (11.7°C)	1.0°F (0.5°C)	23rd Warmest	Warmest since: 2003	2020
	Ties: 1923, 1955, 2014, 2016, 2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings