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 1959

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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 1959 1-Month	77.0°F (25.0°C)	73.4°F (23.0°C)	3.6°F (2.0°C)	118th Coolest	Coolest since: 1958	1915
	77.0°F (25.0°C)	73.4°F (23.0°C)	3.6°F (2.0°C)	11th Warmest	Warmest since: 1947	1947
	Ties: 1937
Jul–Aug 1959 2-Month	75.8°F (24.3°C)	74.5°F (23.6°C)	1.3°F (0.7°C)	101st Coolest	Coolest since: 1958	1915
	75.8°F (24.3°C)	74.5°F (23.6°C)	1.3°F (0.7°C)	28th Warmest	Warmest since: 1955	1936
	Ties: 1941, 1949, 1987, 1993, 2007
Jun–Aug 1959 3-Month	74.8°F (23.8°C)	73.5°F (23.1°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 1958	1915
	74.8°F (23.8°C)	73.5°F (23.1°C)	1.3°F (0.7°C)	30th Warmest	Warmest since: 1954	1936
	Ties: 2021
May–Aug 1959 4-Month	72.7°F (22.6°C)	70.6°F (21.4°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 1958	1915
	72.7°F (22.6°C)	70.6°F (21.4°C)	2.1°F (1.2°C)	15th Warmest	Warmest since: 1944	1936
	Ties: 1933
Apr–Aug 1959 5-Month	68.5°F (20.3°C)	66.8°F (19.3°C)	1.7°F (1.0°C)	112th Coolest	Coolest since: 1958	1907
	68.5°F (20.3°C)	66.8°F (19.3°C)	1.7°F (1.0°C)	17th Warmest	Warmest since: 1955	1934
	Ties: 1913, 1930, 2001, 2006
Mar–Aug 1959 6-Month	63.8°F (17.7°C)	62.3°F (16.8°C)	1.5°F (0.9°C)	111th Coolest	Coolest since: 1958	1950, 1960
	63.8°F (17.7°C)	62.3°F (16.8°C)	1.5°F (0.9°C)	18th Warmest	Warmest since: 1955	2012
	Ties: 1998
Feb–Aug 1959 7-Month	58.8°F (14.9°C)	57.6°F (14.2°C)	1.2°F (0.7°C)	99th Coolest	Coolest since: 1958	1904
	58.8°F (14.9°C)	57.6°F (14.2°C)	1.2°F (0.7°C)	30th Warmest	Warmest since: 1955	2012
	Ties: 1896, 2007
Jan–Aug 1959 8-Month	54.0°F (12.2°C)	53.6°F (12.0°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1958	1912
	54.0°F (12.2°C)	53.6°F (12.0°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1956	2012
	Ties: 1956, 1974
Dec 1958–Aug 1959 9-Month	50.7°F (10.4°C)	50.9°F (10.5°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1958	1904
	50.7°F (10.4°C)	50.9°F (10.5°C)	-0.2°F (-0.1°C)	75th Warmest	Warmest since: 1957	2012
	Ties: 1943, 1948, 1966, 1968, 1993
Nov 1958–Aug 1959 10-Month	50.0°F (10.0°C)	49.9°F (9.9°C)	0.1°F (0.1°C)	67th Coolest	Coolest since: 1958	1904
	50.0°F (10.0°C)	49.9°F (9.9°C)	0.1°F (0.1°C)	61st Warmest	Warmest since: 1957	2012
	Ties: 1966, 1989
Oct 1958–Aug 1959 11-Month	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	68th Coolest	Coolest since: 1958	1904
	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1957	2012
	Ties: 1909, 1981, 2013
Sep 1958–Aug 1959 12-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1958	1904
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1957	2012
	Ties: 1900, 1916, 1930, 1948, 1973, 1985
Mar 1958–Aug 1959 18-Month	54.8°F (12.7°C)	55.2°F (12.9°C)	-0.4°F (-0.2°C)	42nd Coolest	Coolest since: 1958	1904
	54.8°F (12.7°C)	55.2°F (12.9°C)	-0.4°F (-0.2°C)	86th Warmest	Warmest since: 1957	2012
	Ties: 1903, 1915, 1948, 1966, 1971, 1980, 1985
Sep 1957–Aug 1959 24-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	27th Coolest	Coolest since: 1952	1905
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	100th Warmest	Warmest since: 1958	2017
	Ties: 1902, 1960
Sep 1956–Aug 1959 36-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 1958	1979
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1957	2018
	Ties: 1909, 1930, 1945, 1953, 1986
Sep 1955–Aug 1959 48-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1953	1905
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1958	2019
	Ties: 1901, 1967
Sep 1954–Aug 1959 60-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1954	1906
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1958	2020
	Ties: 1946, 1949, 1950, 1954

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings