Divisional 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, Climate Division 2. Northeast

Average Temperature Rankings, September 1973

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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 1973 1-Month	65.0°F (18.3°C)	63.7°F (17.6°C)	1.3°F (0.7°C)	83rd Coolest	Coolest since: 1972	1918
	65.0°F (18.3°C)	63.7°F (17.6°C)	1.3°F (0.7°C)	46th Warmest	Warmest since: 1971	1897
	Ties: 1911, 1994
Aug–Sep 1973 2-Month	68.9°F (20.5°C)	67.4°F (19.7°C)	1.5°F (0.8°C)	97th Coolest	Coolest since: 1972	1902
	68.9°F (20.5°C)	67.4°F (19.7°C)	1.5°F (0.8°C)	32nd Warmest	Warmest since: 1960	1947
	Ties: 1908, 1930, 1937, 1938
Jul–Sep 1973 3-Month	70.5°F (21.4°C)	69.3°F (20.7°C)	1.2°F (0.7°C)	92nd Coolest	Coolest since: 1972	1924
	70.5°F (21.4°C)	69.3°F (20.7°C)	1.2°F (0.7°C)	37th Warmest	Warmest since: 1959	1936
	Ties: 1987, 2011
Jun–Sep 1973 4-Month	70.6°F (21.4°C)	69.2°F (20.7°C)	1.4°F (0.7°C)	97th Coolest	Coolest since: 1972	1915
	70.6°F (21.4°C)	69.2°F (20.7°C)	1.4°F (0.7°C)	32nd Warmest	Warmest since: 1959	2005
	Ties: 1953
May–Sep 1973 5-Month	67.5°F (19.7°C)	67.1°F (19.5°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1972	1924
	67.5°F (19.7°C)	67.1°F (19.5°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1970	1921, 1988
	Ties: 1954, 1975, 2000
Apr–Sep 1973 6-Month	64.3°F (17.9°C)	63.9°F (17.7°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1972	1907
	64.3°F (17.9°C)	63.9°F (17.7°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1970	1921
	Ties: 1932, 1942, 1948, 1949, 2000
Mar–Sep 1973 7-Month	61.3°F (16.3°C)	59.9°F (15.5°C)	1.4°F (0.8°C)	106th Coolest	Coolest since: 1972	1924
	61.3°F (16.3°C)	59.9°F (15.5°C)	1.4°F (0.8°C)	23rd Warmest	Warmest since: 1959	2012
	Ties: 2020
Feb–Sep 1973 8-Month	57.1°F (13.9°C)	55.5°F (13.1°C)	1.6°F (0.8°C)	106th Coolest	Coolest since: 1972	1904, 1917
	57.1°F (13.9°C)	55.5°F (13.1°C)	1.6°F (0.8°C)	23rd Warmest	Warmest since: 1955	2012
	Ties: 1922, 1954, 1983
Jan–Sep 1973 9-Month	53.7°F (12.1°C)	51.7°F (10.9°C)	2.0°F (1.2°C)	112th Coolest	Coolest since: 1972	1904, 1912
	53.7°F (12.1°C)	51.7°F (10.9°C)	2.0°F (1.2°C)	17th Warmest	Warmest since: 1933	2012
	Ties: 1983, 2021
Dec 1972–Sep 1973 10-Month	50.6°F (10.3°C)	49.1°F (9.5°C)	1.5°F (0.8°C)	100th Coolest	Coolest since: 1972	1904
	50.6°F (10.3°C)	49.1°F (9.5°C)	1.5°F (0.8°C)	28th Warmest	Warmest since: 1955	2012
	Ties: 1922, 1938, 1939, 2022
Nov 1972–Sep 1973 11-Month	49.3°F (9.6°C)	48.1°F (8.9°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 1972	1904
	49.3°F (9.6°C)	48.1°F (8.9°C)	1.2°F (0.7°C)	33rd Warmest	Warmest since: 1955	2012
	Ties: 1922, 1942
Oct 1972–Sep 1973 12-Month	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 1972	1904
	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	42nd Warmest	Warmest since: 1964	2012
	Ties: 1911, 1949, 1985
Apr 1972–Sep 1973 18-Month	53.8°F (12.1°C)	53.6°F (12.0°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1972	1904
	53.8°F (12.1°C)	53.6°F (12.0°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1971	2012
	Ties: 1971, 2001, 2003
Oct 1971–Sep 1973 24-Month	48.9°F (9.4°C)	48.5°F (9.2°C)	0.4°F (0.2°C)	80th Coolest	Coolest since: 1972	1918
	48.9°F (9.4°C)	48.5°F (9.2°C)	0.4°F (0.2°C)	47th Warmest	Warmest since: 1956	2017
	Ties: 1898, 1923, 1940, 2004
Oct 1970–Sep 1973 36-Month	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1972	1979
	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	53rd Warmest	Warmest since: 1957	2000
	Ties: 1931, 1949, 1983, 2016
Oct 1969–Sep 1973 48-Month	48.4°F (9.1°C)	48.4°F (9.1°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1972	1905, 1918
	48.4°F (9.1°C)	48.4°F (9.1°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1958	2001, 2002, 2019
	Ties: 1925
Oct 1968–Sep 1973 60-Month	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	47th Coolest	Coolest since: 1972	1905, 1906
	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	77th Warmest	Warmest since: 1968	2002
	Ties: 1947, 1953

Citing This Page

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