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 5. East

Average Temperature Rankings, May 1946

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1946 1-Month	57.8°F (14.3°C)	61.0°F (16.1°C)	-3.2°F (-1.8°C)	25th Coolest	Coolest since: 1945	1907
	57.8°F (14.3°C)	61.0°F (16.1°C)	-3.2°F (-1.8°C)	104th Warmest	Warmest since: 1944	2018
	Ties: 1909
Apr–May 1946 2-Month	55.3°F (12.9°C)	55.4°F (13.0°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 1945	1907
Apr–May 1946 2-Month	55.3°F (12.9°C)	55.4°F (13.0°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1944	1977
Mar–May 1946 3-Month	53.4°F (11.9°C)	49.7°F (9.8°C)	3.7°F (2.1°C)	119th Coolest	Coolest since: 1945	1960
Mar–May 1946 3-Month	53.4°F (11.9°C)	49.7°F (9.8°C)	3.7°F (2.1°C)	10th Warmest	Warmest since: 1921	2012
Feb–May 1946 4-Month	47.7°F (8.7°C)	44.2°F (6.8°C)	3.5°F (1.9°C)	117th Coolest	Coolest since: 1945	1978
Feb–May 1946 4-Month	47.7°F (8.7°C)	44.2°F (6.8°C)	3.5°F (1.9°C)	12th Warmest	Warmest since: 1938	2012
Jan–May 1946 5-Month	43.5°F (6.4°C)	40.1°F (4.5°C)	3.4°F (1.9°C)	118th Coolest	Coolest since: 1945	1978
Jan–May 1946 5-Month	43.5°F (6.4°C)	40.1°F (4.5°C)	3.4°F (1.9°C)	11th Warmest	Warmest since: 1938	2012
Dec 1945–May 1946 6-Month	39.8°F (4.3°C)	38.1°F (3.4°C)	1.7°F (0.9°C)	98th Coolest	Coolest since: 1945	1978
	39.8°F (4.3°C)	38.1°F (3.4°C)	1.7°F (0.9°C)	30th Warmest	Warmest since: 1942	2012
	Ties: 1933, 1985, 1995
Nov 1945–May 1946 7-Month	39.8°F (4.3°C)	38.3°F (3.5°C)	1.5°F (0.8°C)	95th Coolest	Coolest since: 1945	1904
	39.8°F (4.3°C)	38.3°F (3.5°C)	1.5°F (0.8°C)	33rd Warmest	Warmest since: 1942	2012
	Ties: 1938, 1988
Oct 1945–May 1946 8-Month	41.2°F (5.1°C)	40.2°F (4.6°C)	1.0°F (0.5°C)	88th Coolest	Coolest since: 1945	1904
	41.2°F (5.1°C)	40.2°F (4.6°C)	1.0°F (0.5°C)	40th Warmest	Warmest since: 1942	2012
	Ties: 1950, 1986, 2018
Sep 1945–May 1946 9-Month	43.9°F (6.6°C)	43.0°F (6.1°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1945	1904
	43.9°F (6.6°C)	43.0°F (6.1°C)	0.9°F (0.5°C)	39th Warmest	Warmest since: 1942	2012
	Ties: 1928, 1931, 1941, 2013
Aug 1945–May 1946 10-Month	46.6°F (8.1°C)	45.8°F (7.7°C)	0.8°F (0.4°C)	84th Coolest	Coolest since: 1945	1904
	46.6°F (8.1°C)	45.8°F (7.7°C)	0.8°F (0.4°C)	44th Warmest	Warmest since: 1942	2012
	Ties: 1898, 1934, 1981
Jul 1945–May 1946 11-Month	49.0°F (9.4°C)	48.5°F (9.2°C)	0.5°F (0.2°C)	75th Coolest	Coolest since: 1945	1904
	49.0°F (9.4°C)	48.5°F (9.2°C)	0.5°F (0.2°C)	53rd Warmest	Warmest since: 1942	2012
	Ties: 1950, 2019
Jun 1945–May 1946 12-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	62nd Coolest	Coolest since: 1943	1904
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	66th Warmest	Warmest since: 1945	2012
	Ties: 2009
Dec 1944–May 1946 18-Month	46.3°F (7.9°C)	46.3°F (7.9°C)	0.0°F (0.0°C)	62nd Coolest	Coolest since: 1944	1905
Dec 1944–May 1946 18-Month	46.3°F (7.9°C)	46.3°F (7.9°C)	0.0°F (0.0°C)	65th Warmest	Warmest since: 1945	2017
Jun 1944–May 1946 24-Month	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	69th Coolest	Coolest since: 1944	1905
	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	58th Warmest	Warmest since: 1945	2017
	Ties: 1914, 1953
Jun 1943–May 1946 36-Month	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	72nd Coolest	Coolest since: 1945	1905, 1906
	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	54th Warmest	Warmest since: 1944	2018
	Ties: 1915, 1936, 1973, 1975
Jun 1942–May 1946 48-Month	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1931	1905
	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1945	2019
	Ties: 1985
Jun 1941–May 1946 60-Month	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1944	1905, 1906, 1908
	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1945	2020
	Ties: 1949, 1950, 1954, 1959, 1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings