Divisional 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, Climate Division 5. East

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	76.4°F (24.7°C)	74.4°F (23.6°C)	2.0°F (1.1°C)	101st Coolest	Coolest since: 1976	2014
July 1977 1-Month	76.4°F (24.7°C)	74.4°F (23.6°C)	2.0°F (1.1°C)	28th Warmest	Warmest since: 1966	1936
Jun–Jul 1977 2-Month	72.6°F (22.6°C)	72.4°F (22.4°C)	0.2°F (0.2°C)	71st Coolest	Coolest since: 1976	1958
	72.6°F (22.6°C)	72.4°F (22.4°C)	0.2°F (0.2°C)	58th Warmest	Warmest since: 1973	1934
	Ties: 1948, 1978, 1989, 1993
May–Jul 1977 3-Month	71.5°F (21.9°C)	68.6°F (20.3°C)	2.9°F (1.6°C)	117th Coolest	Coolest since: 1976	1924
May–Jul 1977 3-Month	71.5°F (21.9°C)	68.6°F (20.3°C)	2.9°F (1.6°C)	12th Warmest	Warmest since: 1944	1934
Apr–Jul 1977 4-Month	67.7°F (19.8°C)	63.9°F (17.7°C)	3.8°F (2.1°C)	124th Coolest	Coolest since: 1976	1907
Apr–Jul 1977 4-Month	67.7°F (19.8°C)	63.9°F (17.7°C)	3.8°F (2.1°C)	5th Warmest	Warmest since: 1934	1991
Mar–Jul 1977 5-Month	63.0°F (17.2°C)	58.8°F (14.9°C)	4.2°F (2.3°C)	125th Coolest	Coolest since: 1976	1960
Mar–Jul 1977 5-Month	63.0°F (17.2°C)	58.8°F (14.9°C)	4.2°F (2.3°C)	4th Warmest	Warmest since: 1921	2012
Feb–Jul 1977 6-Month	56.9°F (13.8°C)	53.6°F (12.0°C)	3.3°F (1.8°C)	122nd Coolest	Coolest since: 1976	1904, 1947
Feb–Jul 1977 6-Month	56.9°F (13.8°C)	53.6°F (12.0°C)	3.3°F (1.8°C)	7th Warmest	Warmest since: 1921	2012
Jan–Jul 1977 7-Month	49.9°F (9.9°C)	49.3°F (9.6°C)	0.6°F (0.3°C)	76th Coolest	Coolest since: 1975	1912
	49.9°F (9.9°C)	49.3°F (9.6°C)	0.6°F (0.3°C)	53rd Warmest	Warmest since: 1976	2012
	Ties: 1956, 1981
Dec 1976–Jul 1977 8-Month	46.4°F (8.0°C)	46.7°F (8.2°C)	-0.3°F (-0.2°C)	54th Coolest	Coolest since: 1971	1904
	46.4°F (8.0°C)	46.7°F (8.2°C)	-0.3°F (-0.2°C)	74th Warmest	Warmest since: 1976	2012
	Ties: 1935, 1937, 1967, 2008
Nov 1976–Jul 1977 9-Month	44.8°F (7.1°C)	45.9°F (7.7°C)	-1.1°F (-0.6°C)	26th Coolest	Coolest since: 1970	1904
	44.8°F (7.1°C)	45.9°F (7.7°C)	-1.1°F (-0.6°C)	102nd Warmest	Warmest since: 1976	2012
	Ties: 1900, 1901, 1947, 1958
Oct 1976–Jul 1977 10-Month	45.1°F (7.3°C)	46.7°F (8.2°C)	-1.6°F (-0.9°C)	18th Coolest	Coolest since: 1960	1904
	45.1°F (7.3°C)	46.7°F (8.2°C)	-1.6°F (-0.9°C)	110th Warmest	Warmest since: 1976	2012
	Ties: 1936, 1984
Sep 1976–Jul 1977 11-Month	46.7°F (8.2°C)	48.3°F (9.1°C)	-1.6°F (-0.9°C)	16th Coolest	Coolest since: 1963	1904
	46.7°F (8.2°C)	48.3°F (9.1°C)	-1.6°F (-0.9°C)	112th Warmest	Warmest since: 1976	2012
	Ties: 1960, 1963
Aug 1976–Jul 1977 12-Month	48.6°F (9.2°C)	50.4°F (10.2°C)	-1.8°F (-1.0°C)	14th Coolest	Coolest since: 1951	1904
Aug 1976–Jul 1977 12-Month	48.6°F (9.2°C)	50.4°F (10.2°C)	-1.8°F (-1.0°C)	114th Warmest	Warmest since: 1976	2012
Feb 1976–Jul 1977 18-Month	51.0°F (10.6°C)	51.4°F (10.8°C)	-0.4°F (-0.2°C)	44th Coolest	Coolest since: 1970	1918
	51.0°F (10.6°C)	51.4°F (10.8°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1976	2012, 2017
	Ties: 1896, 1897, 1930, 1940, 1960, 1962, 1996
Aug 1975–Jul 1977 24-Month	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	55th Coolest	Coolest since: 1971	1905
	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 1976	2017
	Ties: 1901, 1945, 1947, 1958
Aug 1974–Jul 1977 36-Month	50.1°F (10.1°C)	50.3°F (10.2°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1972	1904, 1905, 1906
	50.1°F (10.1°C)	50.3°F (10.2°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1976	2018
	Ties: 1911, 1916, 1945, 1972
Aug 1973–Jul 1977 48-Month	50.4°F (10.2°C)	50.2°F (10.1°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1973	1905
	50.4°F (10.2°C)	50.2°F (10.1°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1976	2019
	Ties: 1931, 1948
Aug 1972–Jul 1977 60-Month	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1974	1906
	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1976	2020
	Ties: 1922, 1952, 1974, 1998

Citing This Page

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