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 1900

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1900 1-Month	74.6°F (23.7°C)	75.6°F (24.2°C)	-1.0°F (-0.5°C)	45th Coolest	Coolest since: 1899	2009, 2014
	74.6°F (23.7°C)	75.6°F (24.2°C)	-1.0°F (-0.5°C)	84th Warmest	Warmest since: 1898	1936
	Ties: 1917, 2021
Jun–Jul 1900 2-Month	72.4°F (22.4°C)	73.4°F (23.0°C)	-1.0°F (-0.6°C)	37th Coolest	Coolest since: 1900	1915
	72.4°F (22.4°C)	73.4°F (23.0°C)	-1.0°F (-0.6°C)	92nd Warmest	Warmest since: 1899	1934
	Ties: 1910, 1918, 1962, 1965, 1969
May–Jul 1900 3-Month	69.6°F (20.9°C)	69.7°F (20.9°C)	-0.1°F (0.0°C)	61st Coolest	Coolest since: 1897	1924
	69.6°F (20.9°C)	69.7°F (20.9°C)	-0.1°F (0.0°C)	68th Warmest	Warmest since: 1899	1934
	Ties: 1923, 1995
Apr–Jul 1900 4-Month	65.3°F (18.5°C)	65.2°F (18.4°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 1898	1907
	65.3°F (18.5°C)	65.2°F (18.4°C)	0.1°F (0.1°C)	63rd Warmest	Warmest since: 1899	1934
	Ties: 1938, 2020
Mar–Jul 1900 5-Month	59.0°F (15.0°C)	60.1°F (15.6°C)	-1.1°F (-0.6°C)	27th Coolest	Coolest since: 1897	1960
	59.0°F (15.0°C)	60.1°F (15.6°C)	-1.1°F (-0.6°C)	102nd Warmest	Warmest since: 1899	2012
	Ties: 1897, 1937, 1975
Feb–Jul 1900 6-Month	52.9°F (11.6°C)	55.0°F (12.8°C)	-2.1°F (-1.2°C)	13th Coolest	Coolest since: 1899	1947
	52.9°F (11.6°C)	55.0°F (12.8°C)	-2.1°F (-1.2°C)	116th Warmest	Warmest since: 1898	2012
	Ties: 1907
Jan–Jul 1900 7-Month	49.6°F (9.8°C)	50.7°F (10.4°C)	-1.1°F (-0.6°C)	25th Coolest	Coolest since: 1899	1912
	49.6°F (9.8°C)	50.7°F (10.4°C)	-1.1°F (-0.6°C)	104th Warmest	Warmest since: 1898	2012
	Ties: 1907, 1926, 1980
Dec 1899–Jul 1900 8-Month	46.8°F (8.2°C)	48.0°F (8.9°C)	-1.2°F (-0.7°C)	26th Coolest	Coolest since: 1899	1904
	46.8°F (8.2°C)	48.0°F (8.9°C)	-1.2°F (-0.7°C)	102nd Warmest	Warmest since: 1898	2012
	Ties: 1910, 1961
Nov 1899–Jul 1900 9-Month	46.6°F (8.1°C)	47.2°F (8.4°C)	-0.6°F (-0.3°C)	37th Coolest	Coolest since: 1899	1904
	46.6°F (8.1°C)	47.2°F (8.4°C)	-0.6°F (-0.3°C)	91st Warmest	Warmest since: 1898	2012
	Ties: 1906, 1937, 1945, 1968
Oct 1899–Jul 1900 10-Month	47.8°F (8.8°C)	48.0°F (8.9°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1899	1904
	47.8°F (8.8°C)	48.0°F (8.9°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1898	2012
	Ties: 1916, 1943, 1967
Sep 1899–Jul 1900 11-Month	49.3°F (9.6°C)	49.6°F (9.8°C)	-0.3°F (-0.2°C)	48th Coolest	Coolest since: 1899	1904
	49.3°F (9.6°C)	49.6°F (9.8°C)	-0.3°F (-0.2°C)	80th Warmest	Warmest since: 1898	2012
	Ties: 1943, 2001
Aug 1899–Jul 1900 12-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1899	1904
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 1898	2012
	Ties: 1930, 1959
Feb 1899–Jul 1900 18-Month	51.8°F (11.0°C)	52.7°F (11.5°C)	-0.9°F (-0.5°C)	19th Coolest	Coolest since: 1899	1918
	51.8°F (11.0°C)	52.7°F (11.5°C)	-0.9°F (-0.5°C)	109th Warmest	Warmest since: 1898	2012
	Ties: 1907, 1982, 1994
Aug 1898–Jul 1900 24-Month	50.5°F (10.3°C)	51.6°F (10.9°C)	-1.1°F (-0.6°C)	9th Coolest	Coolest since: 1900	1905
	50.5°F (10.3°C)	51.6°F (10.9°C)	-1.1°F (-0.6°C)	118th Warmest	Warmest since: 1899	2017
	Ties: 1906, 1951, 1997
Aug 1897–Jul 1900 36-Month	51.1°F (10.6°C)	51.6°F (10.9°C)	-0.5°F (-0.3°C)	27th Coolest	Coolest since: 1899	1979
	51.1°F (10.6°C)	51.6°F (10.9°C)	-0.5°F (-0.3°C)	99th Warmest	Warmest since: 1898	2018
	Ties: 1927, 1961, 1982, 1984
Aug 1896–Jul 1900 48-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	21st Coolest	Coolest since: 1900	1905, 1980
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	104th Warmest	Warmest since: 1899	2019
	Ties: 1912, 1913, 1969
Aug 1895–Jul 1900 60-Month	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	34th Coolest	Coolest since: 1900	1906
	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest to Date	2020
	Ties: 1901, 1910, 1960, 1965, 1968, 1973

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings