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 1903

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1903 1-Month	75.2°F (24.0°C)	75.6°F (24.2°C)	-0.4°F (-0.2°C)	59th Coolest	Coolest since: 1902	2009, 2014
	75.2°F (24.0°C)	75.6°F (24.2°C)	-0.4°F (-0.2°C)	70th Warmest	Warmest since: 1902	1936
	Ties: 1902, 1907, 1948
Jun–Jul 1903 2-Month	70.4°F (21.3°C)	73.5°F (23.1°C)	-3.1°F (-1.8°C)	5th Coolest	Coolest to Date	1915, 1958
Jun–Jul 1903 2-Month	70.4°F (21.3°C)	73.5°F (23.1°C)	-3.1°F (-1.8°C)	124th Warmest	Warmest since: 1902	1934
May–Jul 1903 3-Month	68.4°F (20.2°C)	69.7°F (20.9°C)	-1.3°F (-0.7°C)	22nd Coolest	Coolest to Date	1924
	68.4°F (20.2°C)	69.7°F (20.9°C)	-1.3°F (-0.7°C)	107th Warmest	Warmest since: 1902	1934
	Ties: 1974, 1990
Apr–Jul 1903 4-Month	64.2°F (17.9°C)	65.2°F (18.4°C)	-1.0°F (-0.5°C)	26th Coolest	Coolest since: 1897	1907
	64.2°F (17.9°C)	65.2°F (18.4°C)	-1.0°F (-0.5°C)	103rd Warmest	Warmest since: 1902	1934
	Ties: 1940, 1960, 1982, 1983, 1989
Mar–Jul 1903 5-Month	60.2°F (15.7°C)	60.1°F (15.6°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1902	1960
	60.2°F (15.7°C)	60.1°F (15.6°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1902	2012
	Ties: 1898, 1902, 1913, 2009
Feb–Jul 1903 6-Month	54.6°F (12.6°C)	55.0°F (12.8°C)	-0.4°F (-0.2°C)	52nd Coolest	Coolest since: 1902	1947
	54.6°F (12.6°C)	55.0°F (12.8°C)	-0.4°F (-0.2°C)	77th Warmest	Warmest since: 1898	2012
	Ties: 1914, 1997
Jan–Jul 1903 7-Month	50.4°F (10.2°C)	50.7°F (10.4°C)	-0.3°F (-0.2°C)	56th Coolest	Coolest since: 1902	1912
	50.4°F (10.2°C)	50.7°F (10.4°C)	-0.3°F (-0.2°C)	73rd Warmest	Warmest since: 1901	2012
	Ties: 1901, 1945, 1975
Dec 1902–Jul 1903 8-Month	47.4°F (8.6°C)	48.1°F (8.9°C)	-0.7°F (-0.3°C)	35th Coolest	Coolest since: 1902	1904
	47.4°F (8.6°C)	48.1°F (8.9°C)	-0.7°F (-0.3°C)	93rd Warmest	Warmest since: 1901	2012
	Ties: 1906, 1916, 1959, 1965, 1971, 1997, 2001
Nov 1902–Jul 1903 9-Month	47.4°F (8.6°C)	47.2°F (8.4°C)	0.2°F (0.2°C)	66th Coolest	Coolest since: 1902	1904
	47.4°F (8.6°C)	47.2°F (8.4°C)	0.2°F (0.2°C)	62nd Warmest	Warmest since: 1896	2012
	Ties: 1967
Oct 1902–Jul 1903 10-Month	48.2°F (9.0°C)	48.0°F (8.9°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1902	1904
	48.2°F (9.0°C)	48.0°F (8.9°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1901	2012
	Ties: 1896, 2008
Sep 1902–Jul 1903 11-Month	49.4°F (9.7°C)	49.7°F (9.8°C)	-0.3°F (-0.1°C)	51st Coolest	Coolest since: 1902	1904
	49.4°F (9.7°C)	49.7°F (9.8°C)	-0.3°F (-0.1°C)	77th Warmest	Warmest since: 1901	2012
	Ties: 1937, 1950, 1989, 2009
Aug 1902–Jul 1903 12-Month	51.2°F (10.7°C)	51.6°F (10.9°C)	-0.4°F (-0.2°C)	41st Coolest	Coolest since: 1902	1904
	51.2°F (10.7°C)	51.6°F (10.9°C)	-0.4°F (-0.2°C)	87th Warmest	Warmest since: 1901	2012
	Ties: 1907, 1927, 1943, 1962, 1980, 2009
Feb 1902–Jul 1903 18-Month	51.9°F (11.1°C)	52.7°F (11.5°C)	-0.8°F (-0.4°C)	23rd Coolest	Coolest since: 1902	1918
	51.9°F (11.1°C)	52.7°F (11.5°C)	-0.8°F (-0.4°C)	105th Warmest	Warmest since: 1901	2012
	Ties: 1906, 1908, 1913, 1927, 1929, 1978
Aug 1901–Jul 1903 24-Month	50.7°F (10.4°C)	51.6°F (10.9°C)	-0.9°F (-0.5°C)	18th Coolest	Coolest since: 1900	1905
	50.7°F (10.4°C)	51.6°F (10.9°C)	-0.9°F (-0.5°C)	109th Warmest	Warmest since: 1902	2017
	Ties: 1927, 1952, 1968, 1971, 1994
Aug 1900–Jul 1903 36-Month	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	36th Coolest	Coolest since: 1901	1979
	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest since: 1902	2018
	Ties: 1914, 1930, 1951, 1967, 1972, 1977, 1996
Aug 1899–Jul 1903 48-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	38th Coolest	Coolest since: 1902	1905, 1980
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	87th Warmest	Warmest since: 1901	2019
	Ties: 1909, 1910, 1952, 1953, 1964, 1973, 1984, 1985
Aug 1898–Jul 1903 60-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	16th Coolest	Coolest to Date	1906
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	108th Warmest	Warmest since: 1902	2020
	Ties: 1928, 1930, 1963, 1969, 1972, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings