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 5. East

Average Temperature Rankings, August 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
August 1975 1-Month	73.8°F (23.2°C)	72.1°F (22.3°C)	1.7°F (0.9°C)	101st Coolest	Coolest since: 1974	1915
	73.8°F (23.2°C)	72.1°F (22.3°C)	1.7°F (0.9°C)	28th Warmest	Warmest since: 1959	1947
	Ties: 1926
Jul–Aug 1975 2-Month	73.1°F (22.8°C)	73.3°F (22.9°C)	-0.2°F (-0.1°C)	61st Coolest	Coolest since: 1972	1915
	73.1°F (22.8°C)	73.3°F (22.9°C)	-0.2°F (-0.1°C)	68th Warmest	Warmest since: 1974	1936
	Ties: 1942, 2022
Jun–Aug 1975 3-Month	72.6°F (22.6°C)	72.3°F (22.4°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1974	1915
	72.6°F (22.6°C)	72.3°F (22.4°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 1973	1936
	Ties: 1895, 1948
May–Aug 1975 4-Month	70.6°F (21.4°C)	69.5°F (20.8°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1974	1915
	70.6°F (21.4°C)	69.5°F (20.8°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 1964	1934
	Ties: 1918, 1943
Apr–Aug 1975 5-Month	65.7°F (18.7°C)	65.5°F (18.6°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1974	1907
	65.7°F (18.7°C)	65.5°F (18.6°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 1970	1991
	Ties: 1901, 1956, 1965, 2000, 2020
Mar–Aug 1975 6-Month	60.6°F (15.9°C)	61.0°F (16.1°C)	-0.4°F (-0.2°C)	43rd Coolest	Coolest since: 1972	1904
	60.6°F (15.9°C)	61.0°F (16.1°C)	-0.4°F (-0.2°C)	86th Warmest	Warmest since: 1974	2012
	Ties: 1903, 1916
Feb–Aug 1975 7-Month	55.8°F (13.2°C)	56.2°F (13.4°C)	-0.4°F (-0.2°C)	49th Coolest	Coolest since: 1972	1904
	55.8°F (13.2°C)	56.2°F (13.4°C)	-0.4°F (-0.2°C)	80th Warmest	Warmest since: 1974	2012
	Ties: 1910, 1914, 1927, 1968, 1994
Jan–Aug 1975 8-Month	52.3°F (11.3°C)	52.2°F (11.2°C)	0.1°F (0.1°C)	62nd Coolest	Coolest since: 1972	1904, 1912
	52.3°F (11.3°C)	52.2°F (11.2°C)	0.1°F (0.1°C)	67th Warmest	Warmest since: 1974	2012
	Ties: 1908, 1989, 1993, 2019
Dec 1974–Aug 1975 9-Month	49.9°F (9.9°C)	49.5°F (9.7°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1974	1904
	49.9°F (9.9°C)	49.5°F (9.7°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1973	2012
	Ties: 1898, 1908, 1981, 1985
Nov 1974–Aug 1975 10-Month	48.9°F (9.4°C)	48.5°F (9.2°C)	0.4°F (0.2°C)	73rd Coolest	Coolest since: 1972	1904
	48.9°F (9.4°C)	48.5°F (9.2°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1974	2012
	Ties: 1985, 2011
Oct 1974–Aug 1975 11-Month	49.2°F (9.6°C)	49.0°F (9.4°C)	0.2°F (0.2°C)	68th Coolest	Coolest since: 1971	1904
	49.2°F (9.6°C)	49.0°F (9.4°C)	0.2°F (0.2°C)	60th Warmest	Warmest since: 1974	2012
	Ties: 1930, 1959, 1993
Sep 1974–Aug 1975 12-Month	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1971	1904
	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1974	2012
	Ties: 1901
Mar 1974–Aug 1975 18-Month	53.9°F (12.2°C)	53.9°F (12.2°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1971	1904
	53.9°F (12.2°C)	53.9°F (12.2°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1974	2012
	Ties: 1944, 2003
Sep 1973–Aug 1975 24-Month	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1972	1905
	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1974	2017
	Ties: 1940, 1993, 1996, 2004
Sep 1972–Aug 1975 36-Month	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	77th Coolest	Coolest since: 1973	1904
	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	49th Warmest	Warmest since: 1974	2018
	Ties: 1940, 1944, 1985
Sep 1971–Aug 1975 48-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1974	1905
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	41st Warmest	Warmest since: 1957	2019
	Ties: 1941, 1944, 1949, 1954, 1976, 1986, 2011, 2015
Sep 1970–Aug 1975 60-Month	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1974	1906
	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	49th Warmest	Warmest since: 1959	2020
	Ties: 1937, 1944, 1945, 1949, 1950, 1954, 1959

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings