Statewide 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

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	74.6°F (23.7°C)	73.4°F (23.0°C)	1.2°F (0.7°C)	91st Coolest	Coolest since: 1974	1915
	74.6°F (23.7°C)	73.4°F (23.0°C)	1.2°F (0.7°C)	38th Warmest	Warmest since: 1959	1947
	Ties: 2000, 2001
Jul–Aug 1975 2-Month	74.3°F (23.5°C)	74.5°F (23.6°C)	-0.2°F (-0.1°C)	61st Coolest	Coolest since: 1974	1915
	74.3°F (23.5°C)	74.5°F (23.6°C)	-0.2°F (-0.1°C)	68th Warmest	Warmest since: 1974	1936
	Ties: 1906, 1974
Jun–Aug 1975 3-Month	73.6°F (23.1°C)	73.5°F (23.1°C)	0.1°F (0.0°C)	68th Coolest	Coolest since: 1974	1915
	73.6°F (23.1°C)	73.5°F (23.1°C)	0.1°F (0.0°C)	61st Warmest	Warmest since: 1973	1936
	Ties: 1895, 1939, 1968
May–Aug 1975 4-Month	71.5°F (21.9°C)	70.6°F (21.4°C)	0.9°F (0.5°C)	85th Coolest	Coolest since: 1974	1915
	71.5°F (21.9°C)	70.6°F (21.4°C)	0.9°F (0.5°C)	44th Warmest	Warmest since: 1964	1936
	Ties: 1899, 1939
Apr–Aug 1975 5-Month	66.9°F (19.4°C)	66.8°F (19.3°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1974	1907
	66.9°F (19.4°C)	66.8°F (19.3°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1970	1934
	Ties: 1939, 1963, 1993, 2000
Mar–Aug 1975 6-Month	61.6°F (16.4°C)	62.3°F (16.8°C)	-0.7°F (-0.4°C)	38th Coolest	Coolest since: 1972	1950, 1960
Mar–Aug 1975 6-Month	61.6°F (16.4°C)	62.3°F (16.8°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 1974	2012
Feb–Aug 1975 7-Month	56.9°F (13.8°C)	57.6°F (14.2°C)	-0.7°F (-0.4°C)	39th Coolest	Coolest since: 1972	1904
	56.9°F (13.8°C)	57.6°F (14.2°C)	-0.7°F (-0.4°C)	90th Warmest	Warmest since: 1974	2012
	Ties: 1901, 1916, 1966, 1969, 1980, 1993, 1997
Jan–Aug 1975 8-Month	53.5°F (11.9°C)	53.6°F (12.0°C)	-0.1°F (-0.1°C)	62nd Coolest	Coolest since: 1972	1912
	53.5°F (11.9°C)	53.6°F (12.0°C)	-0.1°F (-0.1°C)	67th Warmest	Warmest since: 1974	2012
	Ties: 1909, 1936, 2019
Dec 1974–Aug 1975 9-Month	51.0°F (10.6°C)	50.9°F (10.5°C)	0.1°F (0.1°C)	70th Coolest	Coolest since: 1972	1904
	51.0°F (10.6°C)	50.9°F (10.5°C)	0.1°F (0.1°C)	58th Warmest	Warmest since: 1974	2012
	Ties: 1898, 1909, 1937, 1956
Nov 1974–Aug 1975 10-Month	50.1°F (10.1°C)	49.9°F (9.9°C)	0.2°F (0.2°C)	70th Coolest	Coolest since: 1972	1904
	50.1°F (10.1°C)	49.9°F (9.9°C)	0.2°F (0.2°C)	58th Warmest	Warmest since: 1974	2012
	Ties: 1908, 1909
Oct 1974–Aug 1975 11-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1973	1904
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 1974	2012
	Ties: 1916, 1923, 1943, 1947, 1948, 1973, 2008
Sep 1974–Aug 1975 12-Month	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1971	1904
	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1974	2012
	Ties: 1903, 1993
Mar 1974–Aug 1975 18-Month	55.0°F (12.8°C)	55.2°F (12.9°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1971	1904
	55.0°F (12.8°C)	55.2°F (12.9°C)	-0.2°F (-0.1°C)	75th Warmest	Warmest since: 1974	2012
	Ties: 1913, 1945
Sep 1973–Aug 1975 24-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	75th Coolest	Coolest since: 1972	1905
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 1974	2017
	Ties: 1947, 1965, 1984, 1986, 1995, 2004
Sep 1972–Aug 1975 36-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	76th Coolest	Coolest since: 1973	1979
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	50th Warmest	Warmest since: 1974	2018
	Ties: 1915, 1950, 1985, 1990
Sep 1971–Aug 1975 48-Month	52.0°F (11.1°C)	51.6°F (10.9°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1974	1905
	52.0°F (11.1°C)	51.6°F (10.9°C)	0.4°F (0.2°C)	51st Warmest	Warmest since: 1974	2019
	Ties: 1974, 1994, 2015
Sep 1970–Aug 1975 60-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	63rd Coolest	Coolest since: 1974	1906
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1959	2020
	Ties: 1940

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings