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, July 1990

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1990 1-Month	74.2°F (23.4°C)	75.6°F (24.2°C)	-1.4°F (-0.8°C)	35th Coolest	Coolest since: 1984	2009, 2014
	74.2°F (23.4°C)	75.6°F (24.2°C)	-1.4°F (-0.8°C)	94th Warmest	Warmest since: 1989	1936
	Ties: 1922, 1968, 2015
Jun–Jul 1990 2-Month	73.0°F (22.8°C)	73.4°F (23.0°C)	-0.4°F (-0.2°C)	52nd Coolest	Coolest since: 1989	1915
	73.0°F (22.8°C)	73.4°F (23.0°C)	-0.4°F (-0.2°C)	77th Warmest	Warmest since: 1989	1934
	Ties: 1938, 1989, 2007
May–Jul 1990 3-Month	68.4°F (20.2°C)	69.7°F (20.9°C)	-1.3°F (-0.7°C)	22nd Coolest	Coolest since: 1976	1924
	68.4°F (20.2°C)	69.7°F (20.9°C)	-1.3°F (-0.7°C)	107th Warmest	Warmest since: 1989	1934
	Ties: 1903, 1974
Apr–Jul 1990 4-Month	64.0°F (17.8°C)	65.2°F (18.4°C)	-1.2°F (-0.6°C)	21st Coolest	Coolest since: 1979	1907
	64.0°F (17.8°C)	65.2°F (18.4°C)	-1.2°F (-0.6°C)	108th Warmest	Warmest since: 1989	1934
	Ties: 1897, 1967, 1979
Mar–Jul 1990 5-Month	60.1°F (15.6°C)	60.1°F (15.6°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1989	1960
	60.1°F (15.6°C)	60.1°F (15.6°C)	0.0°F (0.0°C)	77th Warmest	Warmest since: 1988	2012
	Ties: 1895, 1945, 1956, 1962, 1970, 2019
Feb–Jul 1990 6-Month	56.0°F (13.3°C)	54.9°F (12.7°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1989	1947
	56.0°F (13.3°C)	54.9°F (12.7°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 1987	2012
	Ties: 1919, 1931, 1933, 2001
Jan–Jul 1990 7-Month	53.2°F (11.8°C)	50.7°F (10.4°C)	2.5°F (1.4°C)	118th Coolest	Coolest since: 1989	1912
	53.2°F (11.8°C)	50.7°F (10.4°C)	2.5°F (1.4°C)	11th Warmest	Warmest since: 1987	2012
	Ties: 1938, 1954
Dec 1989–Jul 1990 8-Month	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 1989	1904
	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1988	2012
	Ties: 1925, 2018
Nov 1989–Jul 1990 9-Month	47.9°F (8.8°C)	47.3°F (8.5°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1989	1904
	47.9°F (8.8°C)	47.3°F (8.5°C)	0.6°F (0.3°C)	47th Warmest	Warmest since: 1988	2012
	Ties: 1952, 1974
Oct 1989–Jul 1990 10-Month	48.7°F (9.3°C)	48.0°F (8.9°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1989	1904
	48.7°F (9.3°C)	48.0°F (8.9°C)	0.7°F (0.4°C)	46th Warmest	Warmest since: 1987	2012
	Ties: 1952, 1972, 2011
Sep 1989–Jul 1990 11-Month	50.0°F (10.0°C)	49.6°F (9.8°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1989	1904
	50.0°F (10.0°C)	49.6°F (9.8°C)	0.4°F (0.2°C)	56th Warmest	Warmest since: 1988	2012
	Ties: 1923, 1935, 1952, 2019
Aug 1989–Jul 1990 12-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1989	1904
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1988	2012
	Ties: 1913
Feb 1989–Jul 1990 18-Month	52.4°F (11.3°C)	52.8°F (11.6°C)	-0.4°F (-0.3°C)	49th Coolest	Coolest since: 1984	1918
	52.4°F (11.3°C)	52.8°F (11.6°C)	-0.4°F (-0.3°C)	79th Warmest	Warmest since: 1989	2012
	Ties: 1926, 1971, 1984, 1993
Aug 1988–Jul 1990 24-Month	51.9°F (11.1°C)	51.7°F (10.9°C)	0.2°F (0.2°C)	73rd Coolest	Coolest since: 1985	1905
	51.9°F (11.1°C)	51.7°F (10.9°C)	0.2°F (0.2°C)	54th Warmest	Warmest since: 1989	2017
	Ties: 1975, 2009, 2010
Aug 1987–Jul 1990 36-Month	52.0°F (11.1°C)	51.6°F (10.9°C)	0.4°F (0.2°C)	77th Coolest	Coolest since: 1986	1979
	52.0°F (11.1°C)	51.6°F (10.9°C)	0.4°F (0.2°C)	49th Warmest	Warmest since: 1989	2018
	Ties: 1915, 1936, 1949
Aug 1986–Jul 1990 48-Month	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	91st Coolest	Coolest since: 1987	1905, 1980
	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	34th Warmest	Warmest since: 1989	2019
	Ties: 1923
Aug 1985–Jul 1990 60-Month	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	92nd Coolest	Coolest since: 1989	1906
	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	32nd Warmest	Warmest since: 1989	2020
	Ties: 1925, 1989

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published December 2022, retrieved on December 9, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings