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 1975

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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
September 1975 1-Month	62.9°F (17.2°C)	67.4°F (19.7°C)	-4.5°F (-2.5°C)	5th Coolest	Coolest since: 1974	1918
September 1975 1-Month	62.9°F (17.2°C)	67.4°F (19.7°C)	-4.5°F (-2.5°C)	124th Warmest	Warmest since: 1973	1925
Aug–Sep 1975 2-Month	69.2°F (20.7°C)	70.8°F (21.6°C)	-1.6°F (-0.9°C)	19th Coolest	Coolest since: 1974	1967
	69.2°F (20.7°C)	70.8°F (21.6°C)	-1.6°F (-0.9°C)	110th Warmest	Warmest since: 1973	1936
	Ties: 1907, 1918, 1928, 1929, 2004
Jul–Sep 1975 3-Month	70.8°F (21.6°C)	72.6°F (22.6°C)	-1.8°F (-1.0°C)	17th Coolest	Coolest since: 1974	1967
	70.8°F (21.6°C)	72.6°F (22.6°C)	-1.8°F (-1.0°C)	112th Warmest	Warmest since: 1973	1936
	Ties: 1962
Jun–Sep 1975 4-Month	71.5°F (21.9°C)	72.6°F (22.6°C)	-1.1°F (-0.7°C)	31st Coolest	Coolest since: 1974	1967
	71.5°F (21.9°C)	72.6°F (22.6°C)	-1.1°F (-0.7°C)	98th Warmest	Warmest since: 1973	1936
	Ties: 1965, 1979
May–Sep 1975 5-Month	70.4°F (21.3°C)	70.7°F (21.5°C)	-0.3°F (-0.2°C)	50th Coolest	Coolest since: 1974	1924
	70.4°F (21.3°C)	70.7°F (21.5°C)	-0.3°F (-0.2°C)	79th Warmest	Warmest since: 1973	1936
	Ties: 1942, 1972, 2000, 2020
Apr–Sep 1975 6-Month	67.1°F (19.5°C)	67.7°F (19.8°C)	-0.6°F (-0.3°C)	38th Coolest	Coolest since: 1974	1907
	67.1°F (19.5°C)	67.7°F (19.8°C)	-0.6°F (-0.3°C)	91st Warmest	Warmest since: 1973	2010
	Ties: 2003, 2009, 2020
Mar–Sep 1975 7-Month	62.9°F (17.2°C)	64.0°F (17.8°C)	-1.1°F (-0.6°C)	22nd Coolest	Coolest since: 1969	1924
	62.9°F (17.2°C)	64.0°F (17.8°C)	-1.1°F (-0.6°C)	107th Warmest	Warmest since: 1974	2012
	Ties: 1961, 1969, 1979, 1982, 2014
Feb–Sep 1975 8-Month	58.9°F (14.9°C)	59.9°F (15.5°C)	-1.0°F (-0.6°C)	24th Coolest	Coolest since: 1967	1904, 1924
	58.9°F (14.9°C)	59.9°F (15.5°C)	-1.0°F (-0.6°C)	105th Warmest	Warmest since: 1974	2012
	Ties: 1906, 1966
Jan–Sep 1975 9-Month	55.9°F (13.3°C)	56.4°F (13.6°C)	-0.5°F (-0.3°C)	46th Coolest	Coolest since: 1971	1979
	55.9°F (13.3°C)	56.4°F (13.6°C)	-0.5°F (-0.3°C)	83rd Warmest	Warmest since: 1974	2012
	Ties: 1903, 1926, 1937, 1965, 2008
Dec 1974–Sep 1975 10-Month	53.7°F (12.1°C)	53.9°F (12.2°C)	-0.2°F (-0.1°C)	52nd Coolest	Coolest since: 1974	1904
	53.7°F (12.1°C)	53.9°F (12.2°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1973	2012
	Ties: 1900, 1906, 1927, 1964, 2009
Nov 1974–Sep 1975 11-Month	52.8°F (11.6°C)	52.8°F (11.6°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1971	1904
	52.8°F (11.6°C)	52.8°F (11.6°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1974	2012
	Ties: 1903, 1916, 1936, 1981, 1985, 1989
Oct 1974–Sep 1975 12-Month	52.9°F (11.6°C)	53.1°F (11.7°C)	-0.2°F (-0.1°C)	52nd Coolest	Coolest since: 1971	1904
	52.9°F (11.6°C)	53.1°F (11.7°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1974	2012
	Ties: 1980, 2009
Apr 1974–Sep 1975 18-Month	57.3°F (14.1°C)	58.0°F (14.4°C)	-0.7°F (-0.3°C)	34th Coolest	Coolest since: 1970	1918
Apr 1974–Sep 1975 18-Month	57.3°F (14.1°C)	58.0°F (14.4°C)	-0.7°F (-0.3°C)	94th Warmest	Warmest since: 1974	2012
Oct 1973–Sep 1975 24-Month	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	70th Coolest	Coolest since: 1971	1979
	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	57th Warmest	Warmest since: 1974	2017
	Ties: 1909, 1915, 1920, 1965, 1989, 1993, 1996, 2004, 2009
Oct 1972–Sep 1975 36-Month	53.2°F (11.8°C)	53.0°F (11.7°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1972	1979
	53.2°F (11.8°C)	53.0°F (11.7°C)	0.2°F (0.1°C)	56th Warmest	Warmest since: 1974	2018
	Ties: 1937, 1938, 1945, 1946, 1953, 1985, 1995
Oct 1971–Sep 1975 48-Month	53.4°F (11.9°C)	53.0°F (11.7°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1974	1980
	53.4°F (11.9°C)	53.0°F (11.7°C)	0.4°F (0.2°C)	50th Warmest	Warmest since: 1957	2019
	Ties: 1937, 1938, 1943, 1945, 1950, 1976, 1986
Oct 1970–Sep 1975 60-Month	53.2°F (11.8°C)	53.0°F (11.7°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1974	1982
	53.2°F (11.8°C)	53.0°F (11.7°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1959	2020
	Ties: 1940, 1947, 1948, 1959, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 24, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings