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, August 2009

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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 2009 1-Month	72.3°F (22.4°C)	74.2°F (23.4°C)	-1.9°F (-1.0°C)	24th Coolest	Coolest since: 2004	1915
August 2009 1-Month	72.3°F (22.4°C)	74.2°F (23.4°C)	-1.9°F (-1.0°C)	105th Warmest	Warmest since: 2008	1947
Jul–Aug 2009 2-Month	72.0°F (22.2°C)	75.3°F (24.1°C)	-3.3°F (-1.9°C)	6th Coolest	Coolest since: 2004	1915
	72.0°F (22.2°C)	75.3°F (24.1°C)	-3.3°F (-1.9°C)	123rd Warmest	Warmest since: 2008	1936
	Ties: 1904
Jun–Aug 2009 3-Month	72.8°F (22.7°C)	74.3°F (23.5°C)	-1.5°F (-0.8°C)	23rd Coolest	Coolest since: 2004	1927
	72.8°F (22.7°C)	74.3°F (23.5°C)	-1.5°F (-0.8°C)	106th Warmest	Warmest since: 2008	1936
	Ties: 1965, 1974, 1976, 2013
May–Aug 2009 4-Month	70.6°F (21.4°C)	71.6°F (22.0°C)	-1.0°F (-0.6°C)	33rd Coolest	Coolest since: 2008	1915
	70.6°F (21.4°C)	71.6°F (22.0°C)	-1.0°F (-0.6°C)	96th Warmest	Warmest since: 2007	1936
	Ties: 1912, 1994, 2003, 2004
Apr–Aug 2009 5-Month	67.1°F (19.5°C)	67.8°F (19.9°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 2008	1907
	67.1°F (19.5°C)	67.8°F (19.9°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 2007	2010
	Ties: 1972, 1996, 2013
Mar–Aug 2009 6-Month	63.7°F (17.6°C)	63.4°F (17.4°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 2008	1960
	63.7°F (17.6°C)	63.4°F (17.4°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 2007	2012
	Ties: 1901, 1943, 1981, 2003, 2020
Feb–Aug 2009 7-Month	59.5°F (15.3°C)	58.9°F (14.9°C)	0.6°F (0.4°C)	79th Coolest	Coolest since: 2008	1904
	59.5°F (15.3°C)	58.9°F (14.9°C)	0.6°F (0.4°C)	50th Warmest	Warmest since: 2007	2012
	Ties: 1931, 1942, 2004, 2020
Jan–Aug 2009 8-Month	55.0°F (12.8°C)	55.0°F (12.8°C)	0.0°F (0.0°C)	61st Coolest	Coolest since: 2008	1978
	55.0°F (12.8°C)	55.0°F (12.8°C)	0.0°F (0.0°C)	68th Warmest	Warmest since: 2007	2012
	Ties: 1909, 1989
Dec 2008–Aug 2009 9-Month	52.2°F (11.2°C)	52.4°F (11.3°C)	-0.2°F (-0.1°C)	54th Coolest	Coolest since: 2008	1904
	52.2°F (11.2°C)	52.4°F (11.3°C)	-0.2°F (-0.1°C)	74th Warmest	Warmest since: 2007	2012
	Ties: 1916
Nov 2008–Aug 2009 10-Month	51.2°F (10.7°C)	51.4°F (10.8°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 2008	1904
	51.2°F (10.7°C)	51.4°F (10.8°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 2008	2012
	Ties: 1901, 1947, 1965, 2008
Oct 2008–Aug 2009 11-Month	51.6°F (10.9°C)	51.8°F (11.0°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 2003	1904
	51.6°F (10.9°C)	51.8°F (11.0°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 2008	2012
	Ties: 1908
Sep 2008–Aug 2009 12-Month	53.0°F (11.7°C)	53.1°F (11.7°C)	-0.1°F (0.0°C)	52nd Coolest	Coolest since: 2003	1904
	53.0°F (11.7°C)	53.1°F (11.7°C)	-0.1°F (0.0°C)	76th Warmest	Warmest since: 2008	2012
	Ties: 1903
Mar 2008–Aug 2009 18-Month	56.2°F (13.4°C)	56.5°F (13.6°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1997	1904
	56.2°F (13.4°C)	56.5°F (13.6°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 2008	2012
	Ties: 1915, 1936, 1948
Sep 2007–Aug 2009 24-Month	53.3°F (11.8°C)	53.1°F (11.7°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 2004	1979
	53.3°F (11.8°C)	53.1°F (11.7°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 2008	2017
	Ties: 1940, 1947, 1972, 1976, 1995, 2004
Sep 2006–Aug 2009 36-Month	53.7°F (12.1°C)	53.0°F (11.7°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 2003	1979
	53.7°F (12.1°C)	53.0°F (11.7°C)	0.7°F (0.4°C)	40th Warmest	Warmest since: 2008	2018
	Ties: 1936, 1939, 1949, 2003, 2010
Sep 2005–Aug 2009 48-Month	54.2°F (12.3°C)	53.0°F (11.7°C)	1.2°F (0.6°C)	105th Coolest	Coolest since: 2004	1980
Sep 2005–Aug 2009 48-Month	54.2°F (12.3°C)	53.0°F (11.7°C)	1.2°F (0.6°C)	20th Warmest	Warmest since: 2008	2019
Sep 2004–Aug 2009 60-Month	54.3°F (12.4°C)	53.0°F (11.7°C)	1.3°F (0.7°C)	112th Coolest	Coolest since: 2007	1906, 1981, 1982
	54.3°F (12.4°C)	53.0°F (11.7°C)	1.3°F (0.7°C)	12th Warmest	Warmest since: 2008	2020
	Ties: 1936, 1956, 2003, 2007, 2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings