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 1943

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1943 1-Month	59.9°F (15.5°C)	63.7°F (17.6°C)	-3.8°F (-2.1°C)	8th Coolest	Coolest since: 1928	1918
	59.9°F (15.5°C)	63.7°F (17.6°C)	-3.8°F (-2.1°C)	121st Warmest	Warmest since: 1942	1897
	Ties: 1896
Aug–Sep 1943 2-Month	66.4°F (19.1°C)	67.4°F (19.7°C)	-1.0°F (-0.6°C)	34th Coolest	Coolest since: 1942	1902
	66.4°F (19.1°C)	67.4°F (19.7°C)	-1.0°F (-0.6°C)	95th Warmest	Warmest since: 1941	1947
	Ties: 1964, 1981, 1994
Jul–Sep 1943 3-Month	69.1°F (20.6°C)	69.4°F (20.8°C)	-0.3°F (-0.2°C)	49th Coolest	Coolest since: 1942	1924
	69.1°F (20.6°C)	69.4°F (20.8°C)	-0.3°F (-0.2°C)	80th Warmest	Warmest since: 1941	1936
	Ties: 1905, 1971, 1984, 2000
Jun–Sep 1943 4-Month	69.8°F (21.0°C)	69.2°F (20.7°C)	0.6°F (0.3°C)	78th Coolest	Coolest since: 1942	1915
	69.8°F (21.0°C)	69.2°F (20.7°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1941	2005
	Ties: 2017
May–Sep 1943 5-Month	67.0°F (19.4°C)	67.1°F (19.5°C)	-0.1°F (-0.1°C)	54th Coolest	Coolest since: 1942	1924
	67.0°F (19.4°C)	67.1°F (19.5°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1941	1921, 1988
	Ties: 1923, 1984
Apr–Sep 1943 6-Month	63.5°F (17.5°C)	63.9°F (17.7°C)	-0.4°F (-0.2°C)	39th Coolest	Coolest since: 1940	1907
	63.5°F (17.5°C)	63.9°F (17.7°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1942	1921
	Ties: 1905, 1946, 1957, 2003
Mar–Sep 1943 7-Month	58.9°F (14.9°C)	59.9°F (15.5°C)	-1.0°F (-0.6°C)	25th Coolest	Coolest since: 1940	1924
	58.9°F (14.9°C)	59.9°F (15.5°C)	-1.0°F (-0.6°C)	104th Warmest	Warmest since: 1942	2012
	Ties: 1958, 1975, 1984, 1993
Feb–Sep 1943 8-Month	54.8°F (12.7°C)	55.5°F (13.1°C)	-0.7°F (-0.4°C)	35th Coolest	Coolest since: 1940	1904, 1917
	54.8°F (12.7°C)	55.5°F (13.1°C)	-0.7°F (-0.4°C)	94th Warmest	Warmest since: 1942	2012
	Ties: 1903, 1914, 1937, 1992, 2015
Jan–Sep 1943 9-Month	51.0°F (10.6°C)	51.7°F (10.9°C)	-0.7°F (-0.3°C)	38th Coolest	Coolest since: 1940	1904, 1912
	51.0°F (10.6°C)	51.7°F (10.9°C)	-0.7°F (-0.3°C)	91st Warmest	Warmest since: 1942	2012
	Ties: 1969, 2015
Dec 1942–Sep 1943 10-Month	48.0°F (8.9°C)	49.2°F (9.6°C)	-1.2°F (-0.7°C)	23rd Coolest	Coolest since: 1940	1904
	48.0°F (8.9°C)	49.2°F (9.6°C)	-1.2°F (-0.7°C)	105th Warmest	Warmest since: 1942	2012
	Ties: 1899, 1936, 1940, 1950, 1965, 2009
Nov 1942–Sep 1943 11-Month	47.1°F (8.4°C)	48.1°F (8.9°C)	-1.0°F (-0.5°C)	24th Coolest	Coolest since: 1940	1904
	47.1°F (8.4°C)	48.1°F (8.9°C)	-1.0°F (-0.5°C)	104th Warmest	Warmest since: 1942	2012
	Ties: 1940, 1950, 1960, 2009
Oct 1942–Sep 1943 12-Month	47.5°F (8.6°C)	48.4°F (9.1°C)	-0.9°F (-0.5°C)	26th Coolest	Coolest since: 1936	1904
	47.5°F (8.6°C)	48.4°F (9.1°C)	-0.9°F (-0.5°C)	102nd Warmest	Warmest since: 1942	2012
	Ties: 1929, 1967, 2009
Apr 1942–Sep 1943 18-Month	53.1°F (11.7°C)	53.6°F (12.0°C)	-0.5°F (-0.3°C)	37th Coolest	Coolest since: 1936	1904
	53.1°F (11.7°C)	53.6°F (12.0°C)	-0.5°F (-0.3°C)	91st Warmest	Warmest since: 1942	2012
	Ties: 1907, 1915, 1925, 1946, 2015
Oct 1941–Sep 1943 24-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	71st Coolest	Coolest since: 1941	1918
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	56th Warmest	Warmest since: 1942	2017
	Ties: 1911, 1941, 1947, 1975, 1981, 1996
Oct 1940–Sep 1943 36-Month	48.9°F (9.4°C)	48.4°F (9.1°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 1942	1979
	48.9°F (9.4°C)	48.4°F (9.1°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 1942	2000
	Ties: 1940, 1942, 2009
Oct 1939–Sep 1943 48-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	65th Coolest	Coolest since: 1938	1905, 1918
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1942	2001, 2002, 2019
	Ties: 1901, 1931, 1977, 1985
Oct 1938–Sep 1943 60-Month	48.9°F (9.4°C)	48.4°F (9.1°C)	0.5°F (0.3°C)	76th Coolest	Coolest since: 1941	1905, 1906
	48.9°F (9.4°C)	48.4°F (9.1°C)	0.5°F (0.3°C)	48th Warmest	Warmest since: 1942	2002
	Ties: 1941

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings