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 2013

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2013 1-Month	69.5°F (20.8°C)	67.4°F (19.7°C)	2.1°F (1.1°C)	93rd Coolest	Coolest since: 2012	1918
	69.5°F (20.8°C)	67.4°F (19.7°C)	2.1°F (1.1°C)	36th Warmest	Warmest since: 2007	1925
	Ties: 1930
Aug–Sep 2013 2-Month	71.3°F (21.8°C)	70.8°F (21.6°C)	0.5°F (0.2°C)	79th Coolest	Coolest since: 2012	1967
	71.3°F (21.8°C)	70.8°F (21.6°C)	0.5°F (0.2°C)	50th Warmest	Warmest since: 2010	1936
	Ties: 1916, 1944, 1948, 1972
Jul–Sep 2013 3-Month	71.9°F (22.2°C)	72.6°F (22.6°C)	-0.7°F (-0.4°C)	45th Coolest	Coolest since: 2009	1967
Jul–Sep 2013 3-Month	71.9°F (22.2°C)	72.6°F (22.6°C)	-0.7°F (-0.4°C)	84th Warmest	Warmest since: 2012	1936
Jun–Sep 2013 4-Month	72.0°F (22.2°C)	72.6°F (22.6°C)	-0.6°F (-0.4°C)	45th Coolest	Coolest since: 2009	1967
	72.0°F (22.2°C)	72.6°F (22.6°C)	-0.6°F (-0.4°C)	84th Warmest	Warmest since: 2012	1936
	Ties: 1966, 1981
May–Sep 2013 5-Month	70.6°F (21.4°C)	70.7°F (21.5°C)	-0.1°F (-0.1°C)	58th Coolest	Coolest since: 2009	1924
	70.6°F (21.4°C)	70.7°F (21.5°C)	-0.1°F (-0.1°C)	71st Warmest	Warmest since: 2012	1936
	Ties: 1937, 1957, 2006
Apr–Sep 2013 6-Month	67.5°F (19.7°C)	67.7°F (19.8°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 2009	1907
	67.5°F (19.7°C)	67.7°F (19.8°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 2012	2010
	Ties: 1937, 1947, 1956, 1969
Mar–Sep 2013 7-Month	63.0°F (17.2°C)	64.0°F (17.8°C)	-1.0°F (-0.6°C)	28th Coolest	Coolest since: 1997	1924
	63.0°F (17.2°C)	64.0°F (17.8°C)	-1.0°F (-0.6°C)	101st Warmest	Warmest since: 2012	2012
	Ties: 1897, 1940, 1966
Feb–Sep 2013 8-Month	59.2°F (15.1°C)	60.0°F (15.6°C)	-0.8°F (-0.5°C)	38th Coolest	Coolest since: 2008	1904, 1924
	59.2°F (15.1°C)	60.0°F (15.6°C)	-0.8°F (-0.5°C)	91st Warmest	Warmest since: 2012	2012
	Ties: 1897, 1905, 1926, 1963, 1968, 1980, 2008
Jan–Sep 2013 9-Month	56.0°F (13.3°C)	56.3°F (13.5°C)	-0.3°F (-0.2°C)	52nd Coolest	Coolest since: 2008	1979
	56.0°F (13.3°C)	56.3°F (13.5°C)	-0.3°F (-0.2°C)	77th Warmest	Warmest since: 2012	2012
	Ties: 1916, 1972
Dec 2012–Sep 2013 10-Month	54.3°F (12.4°C)	53.9°F (12.2°C)	0.4°F (0.2°C)	73rd Coolest	Coolest since: 2011	1904
	54.3°F (12.4°C)	53.9°F (12.2°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 2012	2012
	Ties: 1972, 2011
Nov 2012–Sep 2013 11-Month	53.2°F (11.8°C)	52.9°F (11.6°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 2009	1904
	53.2°F (11.8°C)	52.9°F (11.6°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 2012	2012
	Ties: 1898
Oct 2012–Sep 2013 12-Month	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 2009	1904
	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 2012	2012
	Ties: 1903, 1908, 1947, 1950
Apr 2012–Sep 2013 18-Month	58.9°F (14.9°C)	58.0°F (14.4°C)	0.9°F (0.5°C)	96th Coolest	Coolest since: 2010	1918
	58.9°F (14.9°C)	58.0°F (14.4°C)	0.9°F (0.5°C)	32nd Warmest	Warmest since: 2012	2012
	Ties: 1995, 2008
Oct 2011–Sep 2013 24-Month	55.4°F (13.0°C)	53.0°F (11.7°C)	2.4°F (1.3°C)	124th Coolest	Coolest since: 2011	1979
	55.4°F (13.0°C)	53.0°F (11.7°C)	2.4°F (1.3°C)	3rd Warmest	Warmest since: 2012	2017
	Ties: 1922, 2018
Oct 2010–Sep 2013 36-Month	54.9°F (12.7°C)	53.1°F (11.7°C)	1.8°F (1.0°C)	119th Coolest	Coolest since: 2011	1979
	54.9°F (12.7°C)	53.1°F (11.7°C)	1.8°F (1.0°C)	7th Warmest	Warmest since: 2012	2018
	Ties: 1933, 1934
Oct 2009–Sep 2013 48-Month	54.8°F (12.7°C)	53.1°F (11.7°C)	1.7°F (1.0°C)	121st Coolest	Coolest since: 2012	1980
Oct 2009–Sep 2013 48-Month	54.8°F (12.7°C)	53.1°F (11.7°C)	1.7°F (1.0°C)	4th Warmest	Warmest since: 2007	2019
Oct 2008–Sep 2013 60-Month	54.4°F (12.4°C)	53.0°F (11.7°C)	1.4°F (0.7°C)	116th Coolest	Coolest since: 2012	1982
	54.4°F (12.4°C)	53.0°F (11.7°C)	1.4°F (0.7°C)	8th Warmest	Warmest since: 2012	2020
	Ties: 1934, 1957, 2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings