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 1945

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1945 1-Month	56.3°F (13.5°C)	55.3°F (12.9°C)	1.0°F (0.6°C)	77th Coolest	Coolest since: 1944	1907
	56.3°F (13.5°C)	55.3°F (12.9°C)	1.0°F (0.6°C)	52nd Warmest	Warmest since: 1942	1896
	Ties: 1919, 1959
Mar–Apr 1945 2-Month	54.8°F (12.7°C)	50.0°F (10.0°C)	4.8°F (2.7°C)	123rd Coolest	Coolest since: 1944	1926, 1960
	54.8°F (12.7°C)	50.0°F (10.0°C)	4.8°F (2.7°C)	6th Warmest	Warmest since: 1938	2012
	Ties: 1925
Feb–Apr 1945 3-Month	48.4°F (9.1°C)	45.0°F (7.2°C)	3.4°F (1.9°C)	114th Coolest	Coolest since: 1944	1899
Feb–Apr 1945 3-Month	48.4°F (9.1°C)	45.0°F (7.2°C)	3.4°F (1.9°C)	15th Warmest	Warmest since: 1938	2012
Jan–Apr 1945 4-Month	43.4°F (6.3°C)	41.5°F (5.3°C)	1.9°F (1.0°C)	99th Coolest	Coolest since: 1944	1978
	43.4°F (6.3°C)	41.5°F (5.3°C)	1.9°F (1.0°C)	30th Warmest	Warmest since: 1938	2012
	Ties: 1911, 1919, 1981, 1987
Dec 1944–Apr 1945 5-Month	40.4°F (4.7°C)	40.1°F (4.5°C)	0.3°F (0.2°C)	66th Coolest	Coolest since: 1944	1978
	40.4°F (4.7°C)	40.1°F (4.5°C)	0.3°F (0.2°C)	62nd Warmest	Warmest since: 1942	2012
	Ties: 1897
Nov 1944–Apr 1945 6-Month	41.3°F (5.2°C)	40.9°F (4.9°C)	0.4°F (0.3°C)	72nd Coolest	Coolest since: 1944	1912
	41.3°F (5.2°C)	40.9°F (4.9°C)	0.4°F (0.3°C)	56th Warmest	Warmest since: 1942	2012
	Ties: 1923, 1927, 1934, 2009, 2019
Oct 1944–Apr 1945 7-Month	43.7°F (6.5°C)	43.2°F (6.2°C)	0.5°F (0.3°C)	76th Coolest	Coolest since: 1944	1899, 1978
	43.7°F (6.5°C)	43.2°F (6.2°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 1942	2012
	Ties: 1966, 2011, 2013
Sep 1944–Apr 1945 8-Month	46.9°F (8.3°C)	46.5°F (8.1°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1944	1918
	46.9°F (8.3°C)	46.5°F (8.1°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1942	2017
	Ties: 1916, 1948, 1950, 2011
Aug 1944–Apr 1945 9-Month	50.1°F (10.1°C)	49.7°F (9.8°C)	0.4°F (0.3°C)	71st Coolest	Coolest since: 1944	1918
	50.1°F (10.1°C)	49.7°F (9.8°C)	0.4°F (0.3°C)	57th Warmest	Warmest since: 1942	2017
	Ties: 1964, 1967
Jul 1944–Apr 1945 10-Month	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1944	1918
	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1942	2012
	Ties: 1907, 1949, 1950
Jun 1944–Apr 1945 11-Month	55.1°F (12.8°C)	54.5°F (12.5°C)	0.6°F (0.3°C)	82nd Coolest	Coolest since: 1944	1918
	55.1°F (12.8°C)	54.5°F (12.5°C)	0.6°F (0.3°C)	46th Warmest	Warmest since: 1942	2012, 2017
	Ties: 1909, 1915, 1925, 1989
May 1944–Apr 1945 12-Month	56.3°F (13.5°C)	55.4°F (13.0°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1944	1918
	56.3°F (13.5°C)	55.4°F (13.0°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1942	2012, 2017
	Ties: 1931, 2007
Nov 1943–Apr 1945 18-Month	51.0°F (10.6°C)	50.6°F (10.3°C)	0.4°F (0.3°C)	82nd Coolest	Coolest since: 1944	1979
	51.0°F (10.6°C)	50.6°F (10.3°C)	0.4°F (0.3°C)	45th Warmest	Warmest since: 1942	2017
	Ties: 1898, 1910, 1914, 1946, 1957
May 1943–Apr 1945 24-Month	55.8°F (13.2°C)	55.4°F (13.0°C)	0.4°F (0.2°C)	83rd Coolest	Coolest since: 1944	1978
	55.8°F (13.2°C)	55.4°F (13.0°C)	0.4°F (0.2°C)	44th Warmest	Warmest since: 1943	2017
	Ties: 1910, 1940, 1972, 1974
May 1942–Apr 1945 36-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1938	1979
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1944	2018
	Ties: 1925, 1973, 2016
May 1941–Apr 1945 48-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	95th Coolest	Coolest since: 1944	1980
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	30th Warmest	Warmest since: 1942	2019
	Ties: 1923, 1932, 1937, 1938, 1989, 2011, 2015
May 1940–Apr 1945 60-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1944	1980, 1981
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	40th Warmest	Warmest since: 1943	2020
	Ties: 1933, 1943, 1946

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings