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 1973

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1973 1-Month	57.7°F (14.3°C)	61.0°F (16.1°C)	-3.3°F (-1.8°C)	23rd Coolest	Coolest since: 1968	1907
	57.7°F (14.3°C)	61.0°F (16.1°C)	-3.3°F (-1.8°C)	106th Warmest	Warmest since: 1972	2018
	Ties: 1919
Apr–May 1973 2-Month	53.8°F (12.1°C)	55.4°F (13.0°C)	-1.6°F (-0.9°C)	26th Coolest	Coolest since: 1966	1907
	53.8°F (12.1°C)	55.4°F (13.0°C)	-1.6°F (-0.9°C)	103rd Warmest	Warmest since: 1972	1977
	Ties: 2020
Mar–May 1973 3-Month	51.3°F (10.7°C)	49.7°F (9.8°C)	1.6°F (0.9°C)	95th Coolest	Coolest since: 1972	1960
	51.3°F (10.7°C)	49.7°F (9.8°C)	1.6°F (0.9°C)	34th Warmest	Warmest since: 1964	2012
	Ties: 1910, 1974
Feb–May 1973 4-Month	45.9°F (7.7°C)	44.1°F (6.7°C)	1.8°F (1.0°C)	97th Coolest	Coolest since: 1972	1978
Feb–May 1973 4-Month	45.9°F (7.7°C)	44.1°F (6.7°C)	1.8°F (1.0°C)	32nd Warmest	Warmest since: 1955	2012
Jan–May 1973 5-Month	42.3°F (5.7°C)	40.1°F (4.5°C)	2.2°F (1.2°C)	108th Coolest	Coolest since: 1972	1978
	42.3°F (5.7°C)	40.1°F (4.5°C)	2.2°F (1.2°C)	21st Warmest	Warmest since: 1955	2012
	Ties: 1933, 1953, 1955, 1976, 2002, 2020
Dec 1972–May 1973 6-Month	39.6°F (4.2°C)	38.1°F (3.4°C)	1.5°F (0.8°C)	93rd Coolest	Coolest since: 1972	1978
	39.6°F (4.2°C)	38.1°F (3.4°C)	1.5°F (0.8°C)	35th Warmest	Warmest since: 1955	2012
	Ties: 1941, 1990
Nov 1972–May 1973 7-Month	39.2°F (4.0°C)	38.4°F (3.6°C)	0.8°F (0.4°C)	86th Coolest	Coolest since: 1972	1904
	39.2°F (4.0°C)	38.4°F (3.6°C)	0.8°F (0.4°C)	42nd Warmest	Warmest since: 1955	2012
	Ties: 1941, 1986
Oct 1972–May 1973 8-Month	40.6°F (4.8°C)	40.3°F (4.6°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1971	1904
	40.6°F (4.8°C)	40.3°F (4.6°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1972	2012
	Ties: 1933
Sep 1972–May 1973 9-Month	43.4°F (6.3°C)	43.0°F (6.1°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1971	1904
	43.4°F (6.3°C)	43.0°F (6.1°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1972	2012
	Ties: 1909
Aug 1972–May 1973 10-Month	46.3°F (7.9°C)	45.9°F (7.7°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1971	1904
	46.3°F (7.9°C)	45.9°F (7.7°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1972	2012
	Ties: 1909, 1935
Jul 1972–May 1973 11-Month	48.7°F (9.3°C)	48.5°F (9.2°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1971	1904
	48.7°F (9.3°C)	48.5°F (9.2°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1972	2012
	Ties: 1896, 1945, 2010
Jun 1972–May 1973 12-Month	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	59th Coolest	Coolest since: 1971	1904
	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	69th Warmest	Warmest since: 1972	2012
	Ties: 2001
Dec 1971–May 1973 18-Month	46.4°F (8.0°C)	46.2°F (7.9°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1971	1905
	46.4°F (8.0°C)	46.2°F (7.9°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1972	2017
	Ties: 1898, 1928, 1943, 2010
Jun 1971–May 1973 24-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	82nd Coolest	Coolest since: 1972	1905
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	45th Warmest	Warmest since: 1957	2017
	Ties: 1957, 2011
Jun 1970–May 1973 36-Month	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	72nd Coolest	Coolest since: 1972	1905, 1906
	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	54th Warmest	Warmest since: 1957	2018
	Ties: 1915, 1936, 1946, 1975
Jun 1969–May 1973 48-Month	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1972	1905
	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1967	2019
	Ties: 1916, 1952, 1953, 1959, 1967
Jun 1968–May 1973 60-Month	50.1°F (10.1°C)	50.2°F (10.1°C)	-0.1°F (0.0°C)	47th Coolest	Coolest since: 1972	1905, 1906, 1908
	50.1°F (10.1°C)	50.2°F (10.1°C)	-0.1°F (0.0°C)	77th Warmest	Warmest since: 1960	2020
	Ties: 1931, 1960

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings