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 1957

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1957 1-Month	60.9°F (16.1°C)	61.0°F (16.1°C)	-0.1°F (0.0°C)	58th Coolest	Coolest since: 1954	1907
	60.9°F (16.1°C)	61.0°F (16.1°C)	-0.1°F (0.0°C)	71st Warmest	Warmest since: 1956	2018
	Ties: 1928
Apr–May 1957 2-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	55th Coolest	Coolest since: 1953	1907
Apr–May 1957 2-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	74th Warmest	Warmest since: 1956	1977
Mar–May 1957 3-Month	49.7°F (9.8°C)	49.7°F (9.8°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1954	1960
	49.7°F (9.8°C)	49.7°F (9.8°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1956	2012
	Ties: 1972
Feb–May 1957 4-Month	45.6°F (7.6°C)	44.2°F (6.8°C)	1.4°F (0.8°C)	94th Coolest	Coolest since: 1956	1978
	45.6°F (7.6°C)	44.2°F (6.8°C)	1.4°F (0.8°C)	35th Warmest	Warmest since: 1955	2012
	Ties: 1918
Jan–May 1957 5-Month	40.2°F (4.6°C)	40.1°F (4.5°C)	0.1°F (0.1°C)	61st Coolest	Coolest since: 1951	1978
	40.2°F (4.6°C)	40.1°F (4.5°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1956	2012
	Ties: 1975, 1988
Dec 1956–May 1957 6-Month	39.0°F (3.9°C)	38.2°F (3.4°C)	0.8°F (0.5°C)	81st Coolest	Coolest since: 1956	1978
	39.0°F (3.9°C)	38.2°F (3.4°C)	0.8°F (0.5°C)	47th Warmest	Warmest since: 1955	2012
	Ties: 1908, 1911, 1974, 1988
Nov 1956–May 1957 7-Month	38.9°F (3.8°C)	38.3°F (3.5°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1956	1904
	38.9°F (3.8°C)	38.3°F (3.5°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1955	2012
	Ties: 1933, 2018
Oct 1956–May 1957 8-Month	41.5°F (5.3°C)	40.2°F (4.6°C)	1.3°F (0.7°C)	95th Coolest	Coolest since: 1956	1904
	41.5°F (5.3°C)	40.2°F (4.6°C)	1.3°F (0.7°C)	33rd Warmest	Warmest since: 1955	2012
	Ties: 1964, 2010
Sep 1956–May 1957 9-Month	44.1°F (6.7°C)	43.0°F (6.1°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 1956	1904
	44.1°F (6.7°C)	43.0°F (6.1°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 1955	2012
	Ties: 1898, 1953, 1964, 2010
Aug 1956–May 1957 10-Month	46.9°F (8.3°C)	45.9°F (7.7°C)	1.0°F (0.6°C)	94th Coolest	Coolest since: 1956	1904
	46.9°F (8.3°C)	45.9°F (7.7°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 1955	2012
	Ties: 1931, 1941, 1948
Jul 1956–May 1957 11-Month	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 1956	1904
	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	45th Warmest	Warmest since: 1955	2012
	Ties: 1898, 1938, 1988
Jun 1956–May 1957 12-Month	51.2°F (10.7°C)	50.4°F (10.2°C)	0.8°F (0.5°C)	88th Coolest	Coolest since: 1956	1904
	51.2°F (10.7°C)	50.4°F (10.2°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1955	2012
	Ties: 1988, 2008, 2011, 2018
Dec 1955–May 1957 18-Month	46.9°F (8.3°C)	46.2°F (7.9°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 1952	1905
	46.9°F (8.3°C)	46.2°F (7.9°C)	0.7°F (0.4°C)	44th Warmest	Warmest since: 1956	2017
	Ties: 1945, 2019
Jun 1955–May 1957 24-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	82nd Coolest	Coolest since: 1953	1905
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	45th Warmest	Warmest since: 1956	2017
	Ties: 1973, 2011
Jun 1954–May 1957 36-Month	51.4°F (10.8°C)	50.3°F (10.2°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 1954	1905, 1906
	51.4°F (10.8°C)	50.3°F (10.2°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1956	2018
	Ties: 1935, 1988, 2020
Jun 1953–May 1957 48-Month	51.7°F (10.9°C)	50.2°F (10.1°C)	1.5°F (0.8°C)	108th Coolest	Coolest since: 1955	1905
	51.7°F (10.9°C)	50.2°F (10.1°C)	1.5°F (0.8°C)	17th Warmest	Warmest since: 1956	2019
	Ties: 2009
Jun 1952–May 1957 60-Month	51.7°F (10.9°C)	50.2°F (10.1°C)	1.5°F (0.8°C)	113th Coolest	Coolest since: 1956	1905, 1906, 1908
	51.7°F (10.9°C)	50.2°F (10.1°C)	1.5°F (0.8°C)	11th Warmest	Warmest since: 1935	2020
	Ties: 1992, 2012

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