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 1977

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1977 1-Month	77.6°F (25.3°C)	75.6°F (24.2°C)	2.0°F (1.1°C)	106th Coolest	Coolest since: 1976	2009, 2014
	77.6°F (25.3°C)	75.6°F (24.2°C)	2.0°F (1.1°C)	23rd Warmest	Warmest since: 1966	1936
	Ties: 2010
Jun–Jul 1977 2-Month	74.1°F (23.4°C)	73.4°F (23.0°C)	0.7°F (0.4°C)	81st Coolest	Coolest since: 1976	1915
Jun–Jul 1977 2-Month	74.1°F (23.4°C)	73.4°F (23.0°C)	0.7°F (0.4°C)	48th Warmest	Warmest since: 1966	1934
May–Jul 1977 3-Month	72.4°F (22.4°C)	69.7°F (20.9°C)	2.7°F (1.5°C)	118th Coolest	Coolest since: 1976	1924
	72.4°F (22.4°C)	69.7°F (20.9°C)	2.7°F (1.5°C)	11th Warmest	Warmest since: 1944	1934
	Ties: 1944
Apr–Jul 1977 4-Month	68.7°F (20.4°C)	65.1°F (18.4°C)	3.6°F (2.0°C)	124th Coolest	Coolest since: 1976	1907
Apr–Jul 1977 4-Month	68.7°F (20.4°C)	65.1°F (18.4°C)	3.6°F (2.0°C)	5th Warmest	Warmest since: 1934	1934
Mar–Jul 1977 5-Month	64.1°F (17.8°C)	60.1°F (15.6°C)	4.0°F (2.2°C)	126th Coolest	Coolest since: 1976	1960
Mar–Jul 1977 5-Month	64.1°F (17.8°C)	60.1°F (15.6°C)	4.0°F (2.2°C)	3rd Warmest	Warmest since: 1921	2012
Feb–Jul 1977 6-Month	58.2°F (14.6°C)	55.0°F (12.8°C)	3.2°F (1.8°C)	123rd Coolest	Coolest since: 1976	1947
Feb–Jul 1977 6-Month	58.2°F (14.6°C)	55.0°F (12.8°C)	3.2°F (1.8°C)	6th Warmest	Warmest since: 1921	2012
Jan–Jul 1977 7-Month	51.3°F (10.7°C)	50.7°F (10.4°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1975	1912
	51.3°F (10.7°C)	50.7°F (10.4°C)	0.6°F (0.3°C)	52nd Warmest	Warmest since: 1976	2012
	Ties: 2021
Dec 1976–Jul 1977 8-Month	47.8°F (8.8°C)	48.0°F (8.9°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1971	1904
	47.8°F (8.8°C)	48.0°F (8.9°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1976	2012
	Ties: 1897, 1937, 1968, 2015
Nov 1976–Jul 1977 9-Month	46.2°F (7.9°C)	47.2°F (8.4°C)	-1.0°F (-0.5°C)	27th Coolest	Coolest since: 1970	1904
Nov 1976–Jul 1977 9-Month	46.2°F (7.9°C)	47.2°F (8.4°C)	-1.0°F (-0.5°C)	101st Warmest	Warmest since: 1976	2012
Oct 1976–Jul 1977 10-Month	46.4°F (8.0°C)	48.0°F (8.9°C)	-1.6°F (-0.9°C)	17th Coolest	Coolest since: 1970	1904
	46.4°F (8.0°C)	48.0°F (8.9°C)	-1.6°F (-0.9°C)	111th Warmest	Warmest since: 1976	2012
	Ties: 1924, 1958, 1970
Sep 1976–Jul 1977 11-Month	48.0°F (8.9°C)	49.6°F (9.8°C)	-1.6°F (-0.9°C)	14th Coolest	Coolest since: 1960	1904
	48.0°F (8.9°C)	49.6°F (9.8°C)	-1.6°F (-0.9°C)	114th Warmest	Warmest since: 1976	2012
	Ties: 1902, 1905, 1926, 1958
Aug 1976–Jul 1977 12-Month	49.9°F (9.9°C)	51.7°F (10.9°C)	-1.8°F (-1.0°C)	11th Coolest	Coolest since: 1951	1904
Aug 1976–Jul 1977 12-Month	49.9°F (9.9°C)	51.7°F (10.9°C)	-1.8°F (-1.0°C)	117th Warmest	Warmest since: 1976	2012
Feb 1976–Jul 1977 18-Month	52.3°F (11.3°C)	52.7°F (11.5°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1970	1918
	52.3°F (11.3°C)	52.7°F (11.5°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 1976	2012
	Ties: 1930, 1940, 1952
Aug 1975–Jul 1977 24-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1971	1905
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1976	2017
	Ties: 1902, 1910, 1958, 1966, 1967
Aug 1974–Jul 1977 36-Month	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	36th Coolest	Coolest since: 1972	1979
	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest since: 1976	2018
	Ties: 1903, 1914, 1930, 1951, 1967, 1972, 1996
Aug 1973–Jul 1977 48-Month	51.6°F (10.9°C)	51.5°F (10.8°C)	0.1°F (0.1°C)	53rd Coolest	Coolest since: 1973	1905, 1980
	51.6°F (10.9°C)	51.5°F (10.8°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1976	2019
	Ties: 1911, 1951, 1967
Aug 1972–Jul 1977 60-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1974	1906
	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	65th Warmest	Warmest since: 1976	2020
	Ties: 1948, 1953

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings