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 1956

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1956 1-Month	62.7°F (17.1°C)	61.0°F (16.1°C)	1.7°F (1.0°C)	83rd Coolest	Coolest since: 1954	1907
	62.7°F (17.1°C)	61.0°F (16.1°C)	1.7°F (1.0°C)	46th Warmest	Warmest since: 1955	2018
	Ties: 1933, 2014
Apr–May 1956 2-Month	55.6°F (13.1°C)	55.5°F (13.1°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1953	1907
	55.6°F (13.1°C)	55.5°F (13.1°C)	0.1°F (0.0°C)	73rd Warmest	Warmest since: 1955	1977
	Ties: 1913, 1976, 1980
Mar–May 1956 3-Month	49.9°F (9.9°C)	49.7°F (9.8°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1954	1960
	49.9°F (9.9°C)	49.7°F (9.8°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1955	2012
	Ties: 1898, 1934, 1939
Feb–May 1956 4-Month	44.7°F (7.1°C)	44.2°F (6.8°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1951	1978
	44.7°F (7.1°C)	44.2°F (6.8°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1955	2012
	Ties: 1962, 1988
Jan–May 1956 5-Month	40.8°F (4.9°C)	40.1°F (4.5°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 1951	1978
	40.8°F (4.9°C)	40.1°F (4.5°C)	0.7°F (0.4°C)	50th Warmest	Warmest since: 1955	2012
	Ties: 1908, 1985, 2021
Dec 1955–May 1956 6-Month	38.3°F (3.5°C)	38.1°F (3.4°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1951	1904, 1978
	38.3°F (3.5°C)	38.1°F (3.4°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1955	2012
	Ties: 1925
Nov 1955–May 1956 7-Month	37.8°F (3.2°C)	38.3°F (3.5°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1951	1904
	37.8°F (3.2°C)	38.3°F (3.5°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 1955	2012
	Ties: 1947
Oct 1955–May 1956 8-Month	39.9°F (4.4°C)	40.2°F (4.6°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1951	1904
	39.9°F (4.4°C)	40.2°F (4.6°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1955	2012
	Ties: 1965, 2003
Sep 1955–May 1956 9-Month	42.9°F (6.1°C)	43.0°F (6.1°C)	-0.1°F (0.0°C)	52nd Coolest	Coolest since: 1952	1904
	42.9°F (6.1°C)	43.0°F (6.1°C)	-0.1°F (0.0°C)	76th Warmest	Warmest since: 1955	2012
	Ties: 1927, 1937, 1993
Aug 1955–May 1956 10-Month	46.1°F (7.8°C)	45.9°F (7.7°C)	0.2°F (0.1°C)	63rd Coolest	Coolest since: 1952	1904
	46.1°F (7.8°C)	45.9°F (7.7°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1955	2012
	Ties: 1945, 2001
Jul 1955–May 1956 11-Month	49.1°F (9.5°C)	48.5°F (9.2°C)	0.6°F (0.3°C)	79th Coolest	Coolest since: 1952	1904
	49.1°F (9.5°C)	48.5°F (9.2°C)	0.6°F (0.3°C)	49th Warmest	Warmest since: 1955	2012
	Ties: 1948, 1990, 2011
Jun 1955–May 1956 12-Month	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	68th Coolest	Coolest since: 1952	1904
	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	60th Warmest	Warmest since: 1955	2012
	Ties: 1944
Dec 1954–May 1956 18-Month	47.2°F (8.4°C)	46.2°F (7.9°C)	1.0°F (0.5°C)	91st Coolest	Coolest since: 1952	1905
	47.2°F (8.4°C)	46.2°F (7.9°C)	1.0°F (0.5°C)	36th Warmest	Warmest since: 1955	2017
	Ties: 1931, 1989, 2004, 2011
Jun 1954–May 1956 24-Month	51.5°F (10.8°C)	50.3°F (10.2°C)	1.2°F (0.6°C)	104th Coolest	Coolest since: 1953	1905
	51.5°F (10.8°C)	50.3°F (10.2°C)	1.2°F (0.6°C)	23rd Warmest	Warmest since: 1955	2017
	Ties: 1987, 2001, 2008, 2020
Jun 1953–May 1956 36-Month	51.9°F (11.1°C)	50.3°F (10.2°C)	1.6°F (0.9°C)	110th Coolest	Coolest since: 1954	1905, 1906
Jun 1953–May 1956 36-Month	51.9°F (11.1°C)	50.3°F (10.2°C)	1.6°F (0.9°C)	16th Warmest	Warmest since: 1955	2018
Jun 1952–May 1956 48-Month	51.9°F (11.1°C)	50.3°F (10.2°C)	1.6°F (0.9°C)	115th Coolest	Coolest since: 1955	1905
	51.9°F (11.1°C)	50.3°F (10.2°C)	1.6°F (0.9°C)	10th Warmest	Warmest since: 1935	2019
	Ties: 2000, 2008
Jun 1951–May 1956 60-Month	51.4°F (10.8°C)	50.3°F (10.2°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1955	1905, 1906, 1908
	51.4°F (10.8°C)	50.3°F (10.2°C)	1.1°F (0.6°C)	24th Warmest	Warmest since: 1935	2020
	Ties: 1989, 2014, 2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings