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 1901

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1901 1-Month	74.1°F (23.4°C)	73.4°F (23.0°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1898	1915
	74.1°F (23.4°C)	73.4°F (23.0°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1900	1947
	Ties: 1895, 1905
Jul–Aug 1901 2-Month	77.8°F (25.4°C)	74.5°F (23.6°C)	3.3°F (1.8°C)	123rd Coolest	Coolest since: 1900	1915
	77.8°F (25.4°C)	74.5°F (23.6°C)	3.3°F (1.8°C)	6th Warmest	Warmest to Date	1936
	Ties: 1988
Jun–Aug 1901 3-Month	76.6°F (24.8°C)	73.5°F (23.1°C)	3.1°F (1.7°C)	125th Coolest	Coolest since: 1900	1915
Jun–Aug 1901 3-Month	76.6°F (24.8°C)	73.5°F (23.1°C)	3.1°F (1.7°C)	4th Warmest	Warmest to Date	1936
May–Aug 1901 4-Month	72.6°F (22.6°C)	70.6°F (21.4°C)	2.0°F (1.2°C)	112th Coolest	Coolest since: 1900	1915
	72.6°F (22.6°C)	70.6°F (21.4°C)	2.0°F (1.2°C)	17th Warmest	Warmest to Date	1934, 1936
	Ties: 1953
Apr–Aug 1901 5-Month	67.9°F (19.9°C)	66.8°F (19.3°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1899	1907
	67.9°F (19.9°C)	66.8°F (19.3°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 1900	1934
	Ties: 1922, 2002
Mar–Aug 1901 6-Month	62.9°F (17.2°C)	62.3°F (16.8°C)	0.6°F (0.4°C)	80th Coolest	Coolest since: 1900	1904, 1950, 1960
	62.9°F (17.2°C)	62.3°F (16.8°C)	0.6°F (0.4°C)	49th Warmest	Warmest since: 1896	2012
	Ties: 1919, 2002
Feb–Aug 1901 7-Month	56.9°F (13.8°C)	57.5°F (14.2°C)	-0.6°F (-0.4°C)	39th Coolest	Coolest since: 1900	1904
	56.9°F (13.8°C)	57.5°F (14.2°C)	-0.6°F (-0.4°C)	90th Warmest	Warmest since: 1898	2012
	Ties: 1916, 1966, 1969, 1975, 1980, 1993, 1997
Jan–Aug 1901 8-Month	53.4°F (11.9°C)	53.6°F (12.0°C)	-0.2°F (-0.1°C)	60th Coolest	Coolest since: 1900	1904, 1912
	53.4°F (11.9°C)	53.6°F (12.0°C)	-0.2°F (-0.1°C)	69th Warmest	Warmest since: 1898	2012
	Ties: 1936, 1989
Dec 1900–Aug 1901 9-Month	50.9°F (10.5°C)	50.9°F (10.5°C)	0.0°F (0.0°C)	61st Coolest	Coolest since: 1900	1904
	50.9°F (10.5°C)	50.9°F (10.5°C)	0.0°F (0.0°C)	67th Warmest	Warmest since: 1898	2012
	Ties: 1935, 1980, 1985, 1989
Nov 1900–Aug 1901 10-Month	49.7°F (9.8°C)	49.9°F (9.9°C)	-0.2°F (-0.1°C)	52nd Coolest	Coolest since: 1899	1904
	49.7°F (9.8°C)	49.9°F (9.9°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1900	2012
	Ties: 1923, 1937, 1993
Oct 1900–Aug 1901 11-Month	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1900	1904
	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1898	2012
	Ties: 1944
Sep 1900–Aug 1901 12-Month	52.2°F (11.2°C)	51.7°F (10.9°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 1900	1904
	52.2°F (11.2°C)	51.7°F (10.9°C)	0.5°F (0.3°C)	46th Warmest	Warmest since: 1898	2012
	Ties: 1896, 1911, 1992
Mar 1900–Aug 1901 18-Month	55.5°F (13.1°C)	55.1°F (12.8°C)	0.4°F (0.3°C)	73rd Coolest	Coolest since: 1900	1904
	55.5°F (13.1°C)	55.1°F (12.8°C)	0.4°F (0.3°C)	55th Warmest	Warmest since: 1896	2012
	Ties: 1909, 1933, 1943, 1946, 1981
Sep 1899–Aug 1901 24-Month	52.0°F (11.1°C)	51.7°F (10.9°C)	0.3°F (0.2°C)	80th Coolest	Coolest since: 1900	1905
	52.0°F (11.1°C)	51.7°F (10.9°C)	0.3°F (0.2°C)	47th Warmest	Warmest to Date	2017
	Ties: 1940, 1976, 1989
Sep 1898–Aug 1901 36-Month	51.2°F (10.7°C)	51.6°F (10.9°C)	-0.4°F (-0.2°C)	31st Coolest	Coolest since: 1899	1979
	51.2°F (10.7°C)	51.6°F (10.9°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1900	2018
	Ties: 1908, 1913, 1967, 1984, 1996, 1997
Sep 1897–Aug 1901 48-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1900	1905
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest to Date	2019
	Ties: 1959, 1967
Sep 1896–Aug 1901 60-Month	51.3°F (10.7°C)	51.5°F (10.8°C)	-0.2°F (-0.1°C)	33rd Coolest	Coolest since: 1900	1906
	51.3°F (10.7°C)	51.5°F (10.8°C)	-0.2°F (-0.1°C)	91st Warmest	Warmest since: 1900	2020
	Ties: 1900, 1910, 1913, 1915, 1916, 1921, 1965, 1967, 1973

Citing This Page

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