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, September 1953

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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
September 1953 1-Month	67.6°F (19.8°C)	66.2°F (19.0°C)	1.4°F (0.8°C)	83rd Coolest	Coolest since: 1952	1918
	67.6°F (19.8°C)	66.2°F (19.0°C)	1.4°F (0.8°C)	46th Warmest	Warmest since: 1948	1925, 1933
	Ties: 1972, 1973, 1988
Aug–Sep 1953 2-Month	71.0°F (21.7°C)	69.8°F (21.0°C)	1.2°F (0.7°C)	91st Coolest	Coolest since: 1952	1967
	71.0°F (21.7°C)	69.8°F (21.0°C)	1.2°F (0.7°C)	38th Warmest	Warmest since: 1947	1936
	Ties: 1898
Jul–Sep 1953 3-Month	72.9°F (22.7°C)	71.7°F (22.1°C)	1.2°F (0.6°C)	93rd Coolest	Coolest since: 1952	1967
Jul–Sep 1953 3-Month	72.9°F (22.7°C)	71.7°F (22.1°C)	1.2°F (0.6°C)	36th Warmest	Warmest since: 1947	1936
Jun–Sep 1953 4-Month	73.7°F (23.2°C)	71.7°F (22.1°C)	2.0°F (1.1°C)	115th Coolest	Coolest since: 1952	1915, 1924
	73.7°F (23.2°C)	71.7°F (22.1°C)	2.0°F (1.1°C)	14th Warmest	Warmest since: 1936	1936
	Ties: 1913, 1925, 2018
May–Sep 1953 5-Month	71.6°F (22.0°C)	69.7°F (20.9°C)	1.9°F (1.1°C)	109th Coolest	Coolest since: 1952	1924
May–Sep 1953 5-Month	71.6°F (22.0°C)	69.7°F (20.9°C)	1.9°F (1.1°C)	20th Warmest	Warmest since: 1944	1936
Apr–Sep 1953 6-Month	67.7°F (19.8°C)	66.7°F (19.3°C)	1.0°F (0.5°C)	89th Coolest	Coolest since: 1952	1907
	67.7°F (19.8°C)	66.7°F (19.3°C)	1.0°F (0.5°C)	40th Warmest	Warmest since: 1952	2010
	Ties: 1952, 1999, 2006, 2011
Mar–Sep 1953 7-Month	63.9°F (17.7°C)	62.9°F (17.2°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1952	1924
	63.9°F (17.7°C)	62.9°F (17.2°C)	1.0°F (0.5°C)	31st Warmest	Warmest since: 1946	2012
	Ties: 1914, 1939, 1946, 2000
Feb–Sep 1953 8-Month	60.2°F (15.7°C)	58.7°F (14.8°C)	1.5°F (0.9°C)	111th Coolest	Coolest since: 1952	1904
	60.2°F (15.7°C)	58.7°F (14.8°C)	1.5°F (0.9°C)	18th Warmest	Warmest since: 1938	2012
	Ties: 1922, 1931, 1986, 1999, 2002, 2007, 2018
Jan–Sep 1953 9-Month	56.9°F (13.8°C)	54.9°F (12.7°C)	2.0°F (1.1°C)	113th Coolest	Coolest since: 1952	1904, 1912
	56.9°F (13.8°C)	54.9°F (12.7°C)	2.0°F (1.1°C)	16th Warmest	Warmest since: 1938	2012
	Ties: 1925, 2000, 2007
Dec 1952–Sep 1953 10-Month	54.5°F (12.5°C)	52.4°F (11.3°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 1952	1904
	54.5°F (12.5°C)	52.4°F (11.3°C)	2.1°F (1.2°C)	14th Warmest	Warmest since: 1933	2012
	Ties: 1983, 2000
Nov 1952–Sep 1953 11-Month	53.3°F (11.8°C)	51.4°F (10.8°C)	1.9°F (1.0°C)	112th Coolest	Coolest since: 1952	1904
	53.3°F (11.8°C)	51.4°F (10.8°C)	1.9°F (1.0°C)	16th Warmest	Warmest since: 1932	2012
	Ties: 1983, 2010
Oct 1952–Sep 1953 12-Month	53.0°F (11.7°C)	51.6°F (10.9°C)	1.4°F (0.8°C)	105th Coolest	Coolest since: 1952	1904
	53.0°F (11.7°C)	51.6°F (10.9°C)	1.4°F (0.8°C)	23rd Warmest	Warmest since: 1941	2012
	Ties: 1925, 1931, 1941, 2021
Apr 1952–Sep 1953 18-Month	57.9°F (14.4°C)	56.7°F (13.7°C)	1.2°F (0.7°C)	102nd Coolest	Coolest since: 1952	1904, 1918
	57.9°F (14.4°C)	56.7°F (13.7°C)	1.2°F (0.7°C)	26th Warmest	Warmest since: 1942	2012
	Ties: 1992, 2018
Oct 1951–Sep 1953 24-Month	52.6°F (11.4°C)	51.6°F (10.9°C)	1.0°F (0.5°C)	99th Coolest	Coolest since: 1952	1979
	52.6°F (11.4°C)	51.6°F (10.9°C)	1.0°F (0.5°C)	28th Warmest	Warmest since: 1942	2017
	Ties: 1914, 1931, 1935, 2001, 2011
Oct 1950–Sep 1953 36-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1952	1979
	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1950	2018
	Ties: 1916, 1937, 1947, 1959, 1983, 1995, 1998
Oct 1949–Sep 1953 48-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	48th Coolest	Coolest since: 1952	1905
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1950	2019
	Ties: 1959, 1967, 1973
Oct 1948–Sep 1953 60-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1952	1906
	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 1950	2020
	Ties: 1931, 1947, 1975, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings