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 1903

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1903 1-Month	66.2°F (19.0°C)	67.4°F (19.7°C)	-1.2°F (-0.7°C)	45th Coolest	Coolest since: 1902	1918
	66.2°F (19.0°C)	67.4°F (19.7°C)	-1.2°F (-0.7°C)	84th Warmest	Warmest since: 1901	1925
	Ties: 1929
Aug–Sep 1903 2-Month	69.5°F (20.8°C)	70.8°F (21.6°C)	-1.3°F (-0.8°C)	28th Coolest	Coolest since: 1902	1967
	69.5°F (20.8°C)	70.8°F (21.6°C)	-1.3°F (-0.8°C)	101st Warmest	Warmest since: 1901	1936
	Ties: 1985
Jul–Sep 1903 3-Month	71.8°F (22.1°C)	72.7°F (22.6°C)	-0.9°F (-0.5°C)	42nd Coolest	Coolest since: 1902	1967
	71.8°F (22.1°C)	72.7°F (22.6°C)	-0.9°F (-0.5°C)	87th Warmest	Warmest since: 1901	1936
	Ties: 1920, 1956
Jun–Sep 1903 4-Month	70.5°F (21.4°C)	72.6°F (22.6°C)	-2.1°F (-1.2°C)	11th Coolest	Coolest since: 1902	1967
	70.5°F (21.4°C)	72.6°F (22.6°C)	-2.1°F (-1.2°C)	118th Warmest	Warmest since: 1902	1936
	Ties: 1902, 1907
May–Sep 1903 5-Month	69.6°F (20.9°C)	70.7°F (21.5°C)	-1.1°F (-0.6°C)	26th Coolest	Coolest since: 1903	1924
	69.6°F (20.9°C)	70.7°F (21.5°C)	-1.1°F (-0.6°C)	103rd Warmest	Warmest since: 1902	1936
	Ties: 1909, 1935, 1963, 1994
Apr–Sep 1903 6-Month	66.7°F (19.3°C)	67.7°F (19.8°C)	-1.0°F (-0.5°C)	28th Coolest	Coolest since: 1902	1907
	66.7°F (19.3°C)	67.7°F (19.8°C)	-1.0°F (-0.5°C)	101st Warmest	Warmest since: 1901	2010
	Ties: 1918, 1929, 1946
Mar–Sep 1903 7-Month	63.8°F (17.7°C)	64.0°F (17.8°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1902	1924
	63.8°F (17.7°C)	64.0°F (17.8°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1901	2012
	Ties: 1910, 1935, 1956, 1972, 2003
Feb–Sep 1903 8-Month	59.5°F (15.3°C)	60.0°F (15.6°C)	-0.5°F (-0.3°C)	53rd Coolest	Coolest since: 1902	1904, 1924
Feb–Sep 1903 8-Month	59.5°F (15.3°C)	60.0°F (15.6°C)	-0.5°F (-0.3°C)	76th Warmest	Warmest since: 1900	2012
Jan–Sep 1903 9-Month	55.9°F (13.3°C)	56.4°F (13.6°C)	-0.5°F (-0.3°C)	46th Coolest	Coolest since: 1902	1979
	55.9°F (13.3°C)	56.4°F (13.6°C)	-0.5°F (-0.3°C)	83rd Warmest	Warmest since: 1901	2012
	Ties: 1926, 1937, 1965, 1975, 2008
Dec 1902–Sep 1903 10-Month	53.2°F (11.8°C)	53.9°F (12.2°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1902	1904
	53.2°F (11.8°C)	53.9°F (12.2°C)	-0.7°F (-0.4°C)	96th Warmest	Warmest since: 1901	2012
	Ties: 1926, 1962, 1968, 1971, 2003
Nov 1902–Sep 1903 11-Month	52.8°F (11.6°C)	52.8°F (11.6°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1902	1904
	52.8°F (11.6°C)	52.8°F (11.6°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1900	2012
	Ties: 1916, 1936, 1975, 1981, 1985, 1989
Oct 1902–Sep 1903 12-Month	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1902	1904
	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1901	2012
	Ties: 1908, 1947, 1950, 2013
Apr 1902–Sep 1903 18-Month	57.7°F (14.3°C)	58.0°F (14.4°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1902	1918
	57.7°F (14.3°C)	58.0°F (14.4°C)	-0.3°F (-0.1°C)	84th Warmest	Warmest since: 1901	2012
	Ties: 1906, 1947, 1960, 2009
Oct 1901–Sep 1903 24-Month	52.1°F (11.2°C)	53.1°F (11.7°C)	-1.0°F (-0.5°C)	14th Coolest	Coolest since: 1903	1979
	52.1°F (11.2°C)	53.1°F (11.7°C)	-1.0°F (-0.5°C)	113th Warmest	Warmest since: 1902	2017
	Ties: 1912, 1924, 1968, 1969, 1971
Oct 1900–Sep 1903 36-Month	52.5°F (11.4°C)	53.0°F (11.7°C)	-0.5°F (-0.3°C)	26th Coolest	Coolest since: 1899	1979
	52.5°F (11.4°C)	53.0°F (11.7°C)	-0.5°F (-0.3°C)	100th Warmest	Warmest since: 1902	2018
	Ties: 1926, 1929, 1961
Oct 1899–Sep 1903 48-Month	52.8°F (11.6°C)	53.1°F (11.7°C)	-0.3°F (-0.1°C)	42nd Coolest	Coolest since: 1902	1980
	52.8°F (11.6°C)	53.1°F (11.7°C)	-0.3°F (-0.1°C)	83rd Warmest	Warmest since: 1901	2019
	Ties: 1966, 1996
Oct 1898–Sep 1903 60-Month	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	16th Coolest	Coolest since: 1903	1982
	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	108th Warmest	Warmest since: 1902	2020
	Ties: 1928, 1963, 1964, 1969, 1978, 1983

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings