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 8. Southwest

Average Temperature Rankings, April 1943

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1943 1-Month	54.6°F (12.6°C)	55.3°F (12.9°C)	-0.7°F (-0.3°C)	48th Coolest	Coolest since: 1940	1907
	54.6°F (12.6°C)	55.3°F (12.9°C)	-0.7°F (-0.3°C)	81st Warmest	Warmest since: 1942	1896
	Ties: 1937, 2000, 2022
Mar–Apr 1943 2-Month	47.0°F (8.3°C)	49.9°F (9.9°C)	-2.9°F (-1.6°C)	17th Coolest	Coolest since: 1926	1926, 1960
	47.0°F (8.3°C)	49.9°F (9.9°C)	-2.9°F (-1.6°C)	112th Warmest	Warmest since: 1942	2012
	Ties: 1899, 1969, 1975, 1983
Feb–Apr 1943 3-Month	44.4°F (6.9°C)	45.0°F (7.2°C)	-0.6°F (-0.3°C)	54th Coolest	Coolest since: 1941	1899
Feb–Apr 1943 3-Month	44.4°F (6.9°C)	45.0°F (7.2°C)	-0.6°F (-0.3°C)	75th Warmest	Warmest since: 1942	2012
Jan–Apr 1943 4-Month	41.5°F (5.3°C)	41.4°F (5.2°C)	0.1°F (0.1°C)	64th Coolest	Coolest since: 1941	1978
Jan–Apr 1943 4-Month	41.5°F (5.3°C)	41.4°F (5.2°C)	0.1°F (0.1°C)	65th Warmest	Warmest since: 1942	2012
Dec 1942–Apr 1943 5-Month	39.7°F (4.3°C)	40.1°F (4.5°C)	-0.4°F (-0.2°C)	47th Coolest	Coolest since: 1940	1978
	39.7°F (4.3°C)	40.1°F (4.5°C)	-0.4°F (-0.2°C)	81st Warmest	Warmest since: 1942	2012
	Ties: 1929, 1937
Nov 1942–Apr 1943 6-Month	41.0°F (5.0°C)	40.9°F (4.9°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1940	1912
	41.0°F (5.0°C)	40.9°F (4.9°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1942	2012
	Ties: 1898, 1930, 1952, 1973, 1985, 2008
Oct 1942–Apr 1943 7-Month	43.4°F (6.3°C)	43.2°F (6.2°C)	0.2°F (0.1°C)	57th Coolest	Coolest since: 1940	1899, 1978
	43.4°F (6.3°C)	43.2°F (6.2°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 1942	2012
	Ties: 1911, 1916, 1928, 2010
Sep 1942–Apr 1943 8-Month	46.5°F (8.1°C)	46.5°F (8.1°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1940	1918
	46.5°F (8.1°C)	46.5°F (8.1°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1942	2017
	Ties: 1947
Aug 1942–Apr 1943 9-Month	49.6°F (9.8°C)	49.8°F (9.9°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1940	1918
	49.6°F (9.8°C)	49.8°F (9.9°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1942	2017
	Ties: 1900, 1952, 1971, 2010
Jul 1942–Apr 1943 10-Month	52.5°F (11.4°C)	52.6°F (11.4°C)	-0.1°F (0.0°C)	53rd Coolest	Coolest since: 1940	1918
	52.5°F (11.4°C)	52.6°F (11.4°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1942	2012
	Ties: 1966
Jun 1942–Apr 1943 11-Month	54.4°F (12.4°C)	54.5°F (12.5°C)	-0.1°F (-0.1°C)	54th Coolest	Coolest since: 1940	1918
	54.4°F (12.4°C)	54.5°F (12.5°C)	-0.1°F (-0.1°C)	74th Warmest	Warmest since: 1942	2012, 2017
	Ties: 1944, 1956
May 1942–Apr 1943 12-Month	55.3°F (12.9°C)	55.4°F (13.0°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1940	1918
	55.3°F (12.9°C)	55.4°F (13.0°C)	-0.1°F (-0.1°C)	79th Warmest	Warmest since: 1942	2012, 2017
	Ties: 1896, 1917, 1944, 1965
Nov 1941–Apr 1943 18-Month	50.9°F (10.5°C)	50.6°F (10.3°C)	0.3°F (0.2°C)	76th Coolest	Coolest since: 1941	1979
	50.9°F (10.5°C)	50.6°F (10.3°C)	0.3°F (0.2°C)	51st Warmest	Warmest since: 1942	2017
	Ties: 1938, 1967, 1981, 1986, 1990, 1995, 2004
May 1941–Apr 1943 24-Month	56.3°F (13.5°C)	55.3°F (12.9°C)	1.0°F (0.6°C)	99th Coolest	Coolest since: 1941	1978
	56.3°F (13.5°C)	55.3°F (12.9°C)	1.0°F (0.6°C)	28th Warmest	Warmest since: 1942	2017
	Ties: 1934, 1956, 1988, 2001
May 1940–Apr 1943 36-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	95th Coolest	Coolest since: 1942	1979
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	31st Warmest	Warmest since: 1939	2018
	Ties: 1921, 1988, 2005
May 1939–Apr 1943 48-Month	55.7°F (13.2°C)	55.3°F (12.9°C)	0.4°F (0.3°C)	72nd Coolest	Coolest since: 1931	1980
	55.7°F (13.2°C)	55.3°F (12.9°C)	0.4°F (0.3°C)	53rd Warmest	Warmest since: 1942	2019
	Ties: 1946, 1948, 1976, 1994, 1999
May 1938–Apr 1943 60-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1940	1980, 1981
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	40th Warmest	Warmest since: 1942	2020
	Ties: 1933, 1945, 1946

Citing This Page

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