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 1966

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1966 1-Month	78.5°F (25.8°C)	75.6°F (24.2°C)	2.9°F (1.6°C)	115th Coolest	Coolest since: 1965	2009, 2014
July 1966 1-Month	78.5°F (25.8°C)	75.6°F (24.2°C)	2.9°F (1.6°C)	14th Warmest	Warmest since: 1955	1936
Jun–Jul 1966 2-Month	74.8°F (23.8°C)	73.5°F (23.1°C)	1.3°F (0.7°C)	97th Coolest	Coolest since: 1965	1915, 1958
Jun–Jul 1966 2-Month	74.8°F (23.8°C)	73.5°F (23.1°C)	1.3°F (0.7°C)	32nd Warmest	Warmest since: 1954	1934
May–Jul 1966 3-Month	69.2°F (20.7°C)	69.7°F (20.9°C)	-0.5°F (-0.2°C)	49th Coolest	Coolest since: 1961	1924
	69.2°F (20.7°C)	69.7°F (20.9°C)	-0.5°F (-0.2°C)	80th Warmest	Warmest since: 1965	1934
	Ties: 1925, 1926
Apr–Jul 1966 4-Month	64.1°F (17.8°C)	65.2°F (18.4°C)	-1.1°F (-0.6°C)	25th Coolest	Coolest since: 1961	1907
Apr–Jul 1966 4-Month	64.1°F (17.8°C)	65.2°F (18.4°C)	-1.1°F (-0.6°C)	104th Warmest	Warmest since: 1965	1934
Mar–Jul 1966 5-Month	59.7°F (15.4°C)	60.1°F (15.6°C)	-0.4°F (-0.2°C)	48th Coolest	Coolest since: 1965	1960
	59.7°F (15.4°C)	60.1°F (15.6°C)	-0.4°F (-0.2°C)	81st Warmest	Warmest since: 1964	2012
	Ties: 1980
Feb–Jul 1966 6-Month	54.5°F (12.5°C)	55.0°F (12.8°C)	-0.5°F (-0.3°C)	50th Coolest	Coolest since: 1965	1947
	54.5°F (12.5°C)	55.0°F (12.8°C)	-0.5°F (-0.3°C)	79th Warmest	Warmest since: 1964	2012
	Ties: 1968
Jan–Jul 1966 7-Month	49.7°F (9.8°C)	50.7°F (10.4°C)	-1.0°F (-0.6°C)	29th Coolest	Coolest since: 1963	1912
	49.7°F (9.8°C)	50.7°F (10.4°C)	-1.0°F (-0.6°C)	100th Warmest	Warmest since: 1965	2012
	Ties: 1936, 1969, 1972, 1984, 2003
Dec 1965–Jul 1966 8-Month	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	67th Coolest	Coolest since: 1965	1904
	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	61st Warmest	Warmest since: 1964	2012
	Ties: 1927, 1956, 1964, 1975
Nov 1965–Jul 1966 9-Month	47.7°F (8.7°C)	47.2°F (8.4°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1965	1904
	47.7°F (8.7°C)	47.2°F (8.4°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1964	2012
	Ties: 1913, 1964
Oct 1965–Jul 1966 10-Month	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1965	1904
	48.3°F (9.1°C)	48.0°F (8.9°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1964	2012
	Ties: 1950, 2013
Sep 1965–Jul 1966 11-Month	49.9°F (9.9°C)	49.7°F (9.8°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1965	1904
	49.9°F (9.9°C)	49.7°F (9.8°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1964	2012
	Ties: 1928, 1948
Aug 1965–Jul 1966 12-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1965	1904
	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1964	2012
	Ties: 1956, 1973
Feb 1965–Jul 1966 18-Month	52.5°F (11.4°C)	52.7°F (11.5°C)	-0.2°F (-0.1°C)	54th Coolest	Coolest since: 1963	1918
	52.5°F (11.4°C)	52.7°F (11.5°C)	-0.2°F (-0.1°C)	74th Warmest	Warmest since: 1965	2012
	Ties: 1896, 1973
Aug 1964–Jul 1966 24-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1963	1905
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1965	2017
	Ties: 1902, 1910, 1958, 1967, 1977
Aug 1963–Jul 1966 36-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1965	1979
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 1957	2018
	Ties: 1898, 1931, 1946, 1948, 1973, 1975
Aug 1962–Jul 1966 48-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	47th Coolest	Coolest since: 1965	1905, 1980
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1959	2019
	Ties: 1901, 1914, 1947, 1959, 1983
Aug 1961–Jul 1966 60-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 1965	1906
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1959	2020
	Ties: 1915, 1917, 1921, 1926, 1951, 1967, 1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings