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 3. West

Average Temperature Rankings, May 1945

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1945 1-Month	56.8°F (13.8°C)	62.3°F (16.8°C)	-5.5°F (-3.0°C)	5th Coolest	Coolest since: 1935	1924
May 1945 1-Month	56.8°F (13.8°C)	62.3°F (16.8°C)	-5.5°F (-3.0°C)	124th Warmest	Warmest since: 1944	2018
Apr–May 1945 2-Month	54.5°F (12.5°C)	56.8°F (13.8°C)	-2.3°F (-1.3°C)	17th Coolest	Coolest since: 1935	1907
Apr–May 1945 2-Month	54.5°F (12.5°C)	56.8°F (13.8°C)	-2.3°F (-1.3°C)	112th Warmest	Warmest since: 1944	1896
Mar–May 1945 3-Month	52.7°F (11.5°C)	50.9°F (10.5°C)	1.8°F (1.0°C)	103rd Coolest	Coolest since: 1944	1960
	52.7°F (11.5°C)	50.9°F (10.5°C)	1.8°F (1.0°C)	26th Warmest	Warmest since: 1942	2012
	Ties: 1918, 1941, 1974, 1998
Feb–May 1945 4-Month	47.0°F (8.3°C)	45.3°F (7.4°C)	1.7°F (0.9°C)	101st Coolest	Coolest since: 1944	1978
	47.0°F (8.3°C)	45.3°F (7.4°C)	1.7°F (0.9°C)	28th Warmest	Warmest since: 1938	2012
	Ties: 1986
Jan–May 1945 5-Month	41.7°F (5.4°C)	41.0°F (5.0°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1943	1978
	41.7°F (5.4°C)	41.0°F (5.0°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1944	2012
	Ties: 1910
Dec 1944–May 1945 6-Month	38.5°F (3.6°C)	38.8°F (3.8°C)	-0.3°F (-0.2°C)	48th Coolest	Coolest since: 1943	1978
	38.5°F (3.6°C)	38.8°F (3.8°C)	-0.3°F (-0.2°C)	80th Warmest	Warmest since: 1944	2012
	Ties: 2009
Nov 1944–May 1945 7-Month	39.1°F (3.9°C)	39.0°F (3.9°C)	0.1°F (0.0°C)	63rd Coolest	Coolest since: 1944	1978
	39.1°F (3.9°C)	39.0°F (3.9°C)	0.1°F (0.0°C)	65th Warmest	Warmest since: 1942	2012
	Ties: 1913
Oct 1944–May 1945 8-Month	41.1°F (5.1°C)	41.0°F (5.0°C)	0.1°F (0.1°C)	68th Coolest	Coolest since: 1944	1978
	41.1°F (5.1°C)	41.0°F (5.0°C)	0.1°F (0.1°C)	60th Warmest	Warmest since: 1942	2012
	Ties: 1909, 1913, 1923
Sep 1944–May 1945 9-Month	43.9°F (6.6°C)	43.8°F (6.6°C)	0.1°F (0.0°C)	70th Coolest	Coolest since: 1944	1978
	43.9°F (6.6°C)	43.8°F (6.6°C)	0.1°F (0.0°C)	58th Warmest	Warmest since: 1942	2012
	Ties: 1913
Aug 1944–May 1945 10-Month	46.9°F (8.3°C)	46.7°F (8.2°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1944	1978
	46.9°F (8.3°C)	46.7°F (8.2°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1942	2012
	Ties: 2011
Jul 1944–May 1945 11-Month	49.5°F (9.7°C)	49.4°F (9.7°C)	0.1°F (0.0°C)	62nd Coolest	Coolest since: 1944	1904
	49.5°F (9.7°C)	49.4°F (9.7°C)	0.1°F (0.0°C)	66th Warmest	Warmest since: 1942	2012
	Ties: 1900, 1933
Jun 1944–May 1945 12-Month	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1944	1904
	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1942	2012
	Ties: 2013
Dec 1943–May 1945 18-Month	47.5°F (8.6°C)	47.1°F (8.4°C)	0.4°F (0.2°C)	77th Coolest	Coolest since: 1944	1979
	47.5°F (8.6°C)	47.1°F (8.4°C)	0.4°F (0.2°C)	50th Warmest	Warmest since: 1942	2017
	Ties: 1928, 1947, 1984, 2011
Jun 1943–May 1945 24-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1944	1905
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	53rd Warmest	Warmest since: 1943	2017
	Ties: 1948, 1958, 1976, 2019
Jun 1942–May 1945 36-Month	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1930	1979
	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	74th Warmest	Warmest since: 1944	2018
	Ties: 1903, 1909, 1914, 1925, 1959, 1983
Jun 1941–May 1945 48-Month	51.7°F (10.9°C)	51.3°F (10.7°C)	0.4°F (0.2°C)	83rd Coolest	Coolest since: 1943	1980
	51.7°F (10.9°C)	51.3°F (10.7°C)	0.4°F (0.2°C)	42nd Warmest	Warmest since: 1944	1935
	Ties: 1936, 1943, 1987, 1993, 2021
Jun 1940–May 1945 60-Month	51.8°F (11.0°C)	51.2°F (10.7°C)	0.6°F (0.3°C)	83rd Coolest	Coolest since: 1944	1906, 1907, 1979
	51.8°F (11.0°C)	51.2°F (10.7°C)	0.6°F (0.3°C)	41st Warmest	Warmest since: 1943	1935
	Ties: 1988, 2005

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published November 2022, retrieved on November 26, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings