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 1898

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1898 1-Month	73.1°F (22.8°C)	73.4°F (23.0°C)	-0.3°F (-0.2°C)	56th Coolest	Coolest since: 1897	1915
	73.1°F (22.8°C)	73.4°F (23.0°C)	-0.3°F (-0.2°C)	73rd Warmest	Warmest since: 1896	1947
	Ties: 1908, 1945, 1962
Jul–Aug 1898 2-Month	74.0°F (23.3°C)	74.4°F (23.6°C)	-0.4°F (-0.3°C)	49th Coolest	Coolest since: 1895	1915
	74.0°F (23.3°C)	74.4°F (23.6°C)	-0.4°F (-0.3°C)	80th Warmest	Warmest since: 1897	1936
	Ties: 1964, 1978, 1984
Jun–Aug 1898 3-Month	73.7°F (23.2°C)	73.5°F (23.1°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1897	1915
	73.7°F (23.2°C)	73.5°F (23.1°C)	0.2°F (0.1°C)	57th Warmest	Warmest to Date	1936
	Ties: 1956, 1964, 2019
May–Aug 1898 4-Month	70.7°F (21.5°C)	70.6°F (21.4°C)	0.1°F (0.1°C)	63rd Coolest	Coolest since: 1897	1915
	70.7°F (21.5°C)	70.6°F (21.4°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1896	1934, 1936
	Ties: 2015
Apr–Aug 1898 5-Month	66.3°F (19.1°C)	66.8°F (19.3°C)	-0.5°F (-0.2°C)	41st Coolest	Coolest since: 1897	1907
	66.3°F (19.1°C)	66.8°F (19.3°C)	-0.5°F (-0.2°C)	88th Warmest	Warmest since: 1896	1934
	Ties: 1908, 1912, 1947, 1984, 2013
Mar–Aug 1898 6-Month	62.4°F (16.9°C)	62.3°F (16.8°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1897	1904, 1950, 1960
	62.4°F (16.9°C)	62.3°F (16.8°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1896	2012
	Ties: 1956, 1974, 2003
Feb–Aug 1898 7-Month	57.7°F (14.3°C)	57.6°F (14.2°C)	0.1°F (0.1°C)	69th Coolest	Coolest since: 1897	1904
	57.7°F (14.3°C)	57.6°F (14.2°C)	0.1°F (0.1°C)	60th Warmest	Warmest since: 1896	2012
	Ties: 1913, 1935, 1945, 1948, 1985, 2009
Jan–Aug 1898 8-Month	54.2°F (12.3°C)	53.6°F (12.0°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1897	1904, 1912
	54.2°F (12.3°C)	53.6°F (12.0°C)	0.6°F (0.3°C)	49th Warmest	Warmest since: 1896	2012
	Ties: 1992
Dec 1897–Aug 1898 9-Month	51.0°F (10.6°C)	50.8°F (10.4°C)	0.2°F (0.2°C)	70th Coolest	Coolest since: 1897	1904
	51.0°F (10.6°C)	50.8°F (10.4°C)	0.2°F (0.2°C)	58th Warmest	Warmest since: 1896	2012
	Ties: 1909, 1937, 1956, 1975
Nov 1897–Aug 1898 10-Month	49.9°F (9.9°C)	49.9°F (9.9°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1897	1904
	49.9°F (9.9°C)	49.9°F (9.9°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1896	2012
	Ties: 1916, 1943, 1972, 1980, 1985
Oct 1897–Aug 1898 11-Month	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	78th Coolest	Coolest since: 1897	1904
	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	50th Warmest	Warmest to Date	2012
	Ties: 1946, 1986, 1990
Sep 1897–Aug 1898 12-Month	52.5°F (11.4°C)	51.7°F (10.9°C)	0.8°F (0.5°C)	91st Coolest	Coolest since: 1897	1904
	52.5°F (11.4°C)	51.7°F (10.9°C)	0.8°F (0.5°C)	37th Warmest	Warmest to Date	2012
	Ties: 1938, 1972, 1974, 1988
Mar 1897–Aug 1898 18-Month	55.4°F (13.0°C)	55.2°F (12.9°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1897	1904
	55.4°F (13.0°C)	55.2°F (12.9°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1896	2012
	Ties: 1972, 2001
Sep 1896–Aug 1898 24-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1897	1905
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest to Date	2017
	Ties: 1911, 1936, 1964, 1983
Sep 1895–Aug 1898 36-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	67th Coolest	Coolest since: 1898	1979
	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	59th Warmest	Warmest to Date	2018
	Ties: 1911, 1916, 1924, 1931, 1938, 1983, 1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings