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 1974

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1974 1-Month	61.0°F (16.1°C)	66.2°F (19.0°C)	-5.2°F (-2.9°C)	4th Coolest	Coolest since: 1949	1918
September 1974 1-Month	61.0°F (16.1°C)	66.2°F (19.0°C)	-5.2°F (-2.9°C)	125th Warmest	Warmest since: 1973	1925, 1933
Aug–Sep 1974 2-Month	66.3°F (19.1°C)	69.8°F (21.0°C)	-3.5°F (-1.9°C)	3rd Coolest	Coolest since: 1967	1967
Aug–Sep 1974 2-Month	66.3°F (19.1°C)	69.8°F (21.0°C)	-3.5°F (-1.9°C)	126th Warmest	Warmest since: 1973	1936
Jul–Sep 1974 3-Month	69.8°F (21.0°C)	71.7°F (22.1°C)	-1.9°F (-1.1°C)	12th Coolest	Coolest since: 1967	1967
Jul–Sep 1974 3-Month	69.8°F (21.0°C)	71.7°F (22.1°C)	-1.9°F (-1.1°C)	117th Warmest	Warmest since: 1973	1936
Jun–Sep 1974 4-Month	69.2°F (20.7°C)	71.6°F (22.0°C)	-2.4°F (-1.3°C)	7th Coolest	Coolest since: 1967	1915, 1924
Jun–Sep 1974 4-Month	69.2°F (20.7°C)	71.6°F (22.0°C)	-2.4°F (-1.3°C)	122nd Warmest	Warmest since: 1973	1936
May–Sep 1974 5-Month	67.6°F (19.8°C)	69.8°F (21.0°C)	-2.2°F (-1.2°C)	8th Coolest	Coolest since: 1967	1924
May–Sep 1974 5-Month	67.6°F (19.8°C)	69.8°F (21.0°C)	-2.2°F (-1.2°C)	121st Warmest	Warmest since: 1973	1936
Apr–Sep 1974 6-Month	65.3°F (18.5°C)	66.7°F (19.3°C)	-1.4°F (-0.8°C)	17th Coolest	Coolest since: 1967	1907
	65.3°F (18.5°C)	66.7°F (19.3°C)	-1.4°F (-0.8°C)	112th Warmest	Warmest since: 1973	2010
	Ties: 1902, 1910, 1935, 1996
Mar–Sep 1974 7-Month	62.2°F (16.8°C)	62.9°F (17.2°C)	-0.7°F (-0.4°C)	36th Coolest	Coolest since: 1969	1924
	62.2°F (16.8°C)	62.9°F (17.2°C)	-0.7°F (-0.4°C)	93rd Warmest	Warmest since: 1973	2012
	Ties: 1906, 1943
Feb–Sep 1974 8-Month	58.3°F (14.6°C)	58.6°F (14.8°C)	-0.3°F (-0.2°C)	52nd Coolest	Coolest since: 1972	1904
	58.3°F (14.6°C)	58.6°F (14.8°C)	-0.3°F (-0.2°C)	77th Warmest	Warmest since: 1973	2012
	Ties: 1962, 1963, 1968
Jan–Sep 1974 9-Month	54.7°F (12.6°C)	54.9°F (12.7°C)	-0.2°F (-0.1°C)	55th Coolest	Coolest since: 1972	1904, 1912
	54.7°F (12.6°C)	54.9°F (12.7°C)	-0.2°F (-0.1°C)	74th Warmest	Warmest since: 1973	2012
	Ties: 1910, 1945, 1948, 1980
Dec 1973–Sep 1974 10-Month	52.0°F (11.1°C)	52.4°F (11.3°C)	-0.4°F (-0.2°C)	46th Coolest	Coolest since: 1971	1904
	52.0°F (11.1°C)	52.4°F (11.3°C)	-0.4°F (-0.2°C)	82nd Warmest	Warmest since: 1973	2012
	Ties: 1947, 1971, 2003
Nov 1973–Sep 1974 11-Month	51.3°F (10.7°C)	51.4°F (10.8°C)	-0.1°F (-0.1°C)	60th Coolest	Coolest since: 1971	1904
	51.3°F (10.7°C)	51.4°F (10.8°C)	-0.1°F (-0.1°C)	68th Warmest	Warmest since: 1973	2012
	Ties: 1906
Oct 1973–Sep 1974 12-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1973	1904
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1972	2012
	Ties: 1948
Apr 1973–Sep 1974 18-Month	56.8°F (13.8°C)	56.7°F (13.7°C)	0.1°F (0.1°C)	67th Coolest	Coolest since: 1973	1904, 1918
	56.8°F (13.8°C)	56.7°F (13.7°C)	0.1°F (0.1°C)	61st Warmest	Warmest since: 1972	2012
	Ties: 1911
Oct 1972–Sep 1974 24-Month	51.9°F (11.1°C)	51.7°F (10.9°C)	0.2°F (0.2°C)	79th Coolest	Coolest since: 1972	1979
	51.9°F (11.1°C)	51.7°F (10.9°C)	0.2°F (0.2°C)	48th Warmest	Warmest since: 1973	2017
	Ties: 1940, 1947, 1957, 1984, 1995
Oct 1971–Sep 1974 36-Month	52.0°F (11.1°C)	51.6°F (10.9°C)	0.4°F (0.2°C)	80th Coolest	Coolest since: 1973	1979
	52.0°F (11.1°C)	51.6°F (10.9°C)	0.4°F (0.2°C)	46th Warmest	Warmest since: 1957	2018
	Ties: 1931, 1949, 1976, 1990, 2010
Oct 1970–Sep 1974 48-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1973	1905
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1958	2019
	Ties: 1916, 1925, 1931, 1945, 1950, 1958
Oct 1969–Sep 1974 60-Month	51.5°F (10.8°C)	51.5°F (10.8°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1973	1906
	51.5°F (10.8°C)	51.5°F (10.8°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1959	2020
	Ties: 1911, 1914, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings