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 2003

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 2003 1-Month	64.7°F (18.2°C)	67.4°F (19.7°C)	-2.7°F (-1.5°C)	17th Coolest	Coolest since: 1995	1918
	64.7°F (18.2°C)	67.4°F (19.7°C)	-2.7°F (-1.5°C)	112th Warmest	Warmest since: 2002	1925
	Ties: 1989, 1995
Aug–Sep 2003 2-Month	70.1°F (21.2°C)	70.8°F (21.6°C)	-0.7°F (-0.4°C)	46th Coolest	Coolest since: 1999	1967
	70.1°F (21.2°C)	70.8°F (21.6°C)	-0.7°F (-0.4°C)	83rd Warmest	Warmest since: 2002	1936
	Ties: 1965
Jul–Sep 2003 3-Month	72.0°F (22.2°C)	72.6°F (22.6°C)	-0.6°F (-0.4°C)	46th Coolest	Coolest since: 2000	1967
	72.0°F (22.2°C)	72.6°F (22.6°C)	-0.6°F (-0.4°C)	83rd Warmest	Warmest since: 2002	1936
	Ties: 1942
Jun–Sep 2003 4-Month	71.1°F (21.7°C)	72.6°F (22.6°C)	-1.5°F (-0.9°C)	24th Coolest	Coolest since: 1992	1967
	71.1°F (21.7°C)	72.6°F (22.6°C)	-1.5°F (-0.9°C)	105th Warmest	Warmest since: 2002	1936
	Ties: 1910, 1929
May–Sep 2003 5-Month	69.4°F (20.8°C)	70.7°F (21.5°C)	-1.3°F (-0.7°C)	21st Coolest	Coolest since: 1997	1924
	69.4°F (20.8°C)	70.7°F (21.5°C)	-1.3°F (-0.7°C)	108th Warmest	Warmest since: 2002	1936
	Ties: 1951
Apr–Sep 2003 6-Month	67.1°F (19.5°C)	67.8°F (19.9°C)	-0.7°F (-0.4°C)	38th Coolest	Coolest since: 1997	1907
	67.1°F (19.5°C)	67.8°F (19.9°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 2002	2010
	Ties: 1975, 2009, 2020
Mar–Sep 2003 7-Month	63.8°F (17.7°C)	64.0°F (17.8°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1997	1924
	63.8°F (17.7°C)	64.0°F (17.8°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 2002	2012
	Ties: 1903, 1910, 1935, 1956, 1972
Feb–Sep 2003 8-Month	59.3°F (15.2°C)	59.9°F (15.5°C)	-0.6°F (-0.3°C)	46th Coolest	Coolest since: 1996	1904, 1924
	59.3°F (15.2°C)	59.9°F (15.5°C)	-0.6°F (-0.3°C)	83rd Warmest	Warmest since: 2002	2012
	Ties: 1901, 1909, 1965, 1994
Jan–Sep 2003 9-Month	55.4°F (13.0°C)	56.4°F (13.6°C)	-1.0°F (-0.6°C)	30th Coolest	Coolest since: 1996	1979
	55.4°F (13.0°C)	56.4°F (13.6°C)	-1.0°F (-0.6°C)	99th Warmest	Warmest since: 2002	2012
	Ties: 1897, 1967, 1968, 1969, 1970
Dec 2002–Sep 2003 10-Month	53.2°F (11.8°C)	53.9°F (12.2°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1996	1904
	53.2°F (11.8°C)	53.9°F (12.2°C)	-0.7°F (-0.4°C)	96th Warmest	Warmest since: 2002	2012
	Ties: 1903, 1926, 1962, 1968, 1971
Nov 2002–Sep 2003 11-Month	52.1°F (11.2°C)	52.8°F (11.6°C)	-0.7°F (-0.4°C)	33rd Coolest	Coolest since: 2001	1904
	52.1°F (11.2°C)	52.8°F (11.6°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 2002	2012
	Ties: 1929, 1971, 2001
Oct 2002–Sep 2003 12-Month	52.2°F (11.2°C)	53.0°F (11.7°C)	-0.8°F (-0.5°C)	29th Coolest	Coolest since: 1997	1904
	52.2°F (11.2°C)	53.0°F (11.7°C)	-0.8°F (-0.5°C)	99th Warmest	Warmest since: 2002	2012
	Ties: 1967, 1969, 1997, 2015
Apr 2002–Sep 2003 18-Month	58.0°F (14.4°C)	57.9°F (14.4°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 2001	1918
	58.0°F (14.4°C)	57.9°F (14.4°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 2002	2012
	Ties: 1896, 1948, 1950, 1966, 1973, 1990
Oct 2001–Sep 2003 24-Month	54.1°F (12.3°C)	53.1°F (11.7°C)	1.0°F (0.6°C)	100th Coolest	Coolest since: 2001	1979
	54.1°F (12.3°C)	53.1°F (11.7°C)	1.0°F (0.6°C)	27th Warmest	Warmest since: 2002	2017
	Ties: 1914, 2011, 2019, 2021
Oct 2000–Sep 2003 36-Month	53.6°F (12.0°C)	53.0°F (11.7°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1998	1979
	53.6°F (12.0°C)	53.0°F (11.7°C)	0.6°F (0.3°C)	42nd Warmest	Warmest since: 2002	2018
	Ties: 1941, 1974, 2010
Oct 1999–Sep 2003 48-Month	54.0°F (12.2°C)	53.1°F (11.7°C)	0.9°F (0.5°C)	101st Coolest	Coolest since: 1999	1980
	54.0°F (12.2°C)	53.1°F (11.7°C)	0.9°F (0.5°C)	24th Warmest	Warmest since: 2002	2019
	Ties: 1932, 2010
Oct 1998–Sep 2003 60-Month	54.2°F (12.3°C)	53.1°F (11.7°C)	1.1°F (0.6°C)	108th Coolest	Coolest since: 2001	1982
	54.2°F (12.3°C)	53.1°F (11.7°C)	1.1°F (0.6°C)	16th Warmest	Warmest since: 2002	2020
	Ties: 2010, 2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings