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 1965

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1965 1-Month	66.3°F (19.1°C)	61.0°F (16.1°C)	5.3°F (3.0°C)	117th Coolest	Coolest since: 1964	1907
May 1965 1-Month	66.3°F (19.1°C)	61.0°F (16.1°C)	5.3°F (3.0°C)	12th Warmest	Warmest since: 1962	2018
Apr–May 1965 2-Month	58.4°F (14.7°C)	55.4°F (13.0°C)	3.0°F (1.7°C)	111th Coolest	Coolest since: 1963	1907
Apr–May 1965 2-Month	58.4°F (14.7°C)	55.4°F (13.0°C)	3.0°F (1.7°C)	18th Warmest	Warmest since: 1964	1977
Mar–May 1965 3-Month	48.9°F (9.4°C)	49.7°F (9.8°C)	-0.8°F (-0.4°C)	44th Coolest	Coolest since: 1961	1960
	48.9°F (9.4°C)	49.7°F (9.8°C)	-0.8°F (-0.4°C)	85th Warmest	Warmest since: 1964	2012
	Ties: 2014
Feb–May 1965 4-Month	43.5°F (6.4°C)	44.2°F (6.8°C)	-0.7°F (-0.4°C)	48th Coolest	Coolest since: 1963	1978
Feb–May 1965 4-Month	43.5°F (6.4°C)	44.2°F (6.8°C)	-0.7°F (-0.4°C)	81st Warmest	Warmest since: 1964	2012
Jan–May 1965 5-Month	39.9°F (4.4°C)	40.1°F (4.5°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1963	1978
	39.9°F (4.4°C)	40.1°F (4.5°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1964	2012
	Ties: 1928, 1967, 1993
Dec 1964–May 1965 6-Month	37.7°F (3.2°C)	38.1°F (3.4°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1963	1978
	37.7°F (3.2°C)	38.1°F (3.4°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 1964	2012
	Ties: 1928, 1929
Nov 1964–May 1965 7-Month	38.5°F (3.6°C)	38.4°F (3.6°C)	0.1°F (0.0°C)	60th Coolest	Coolest since: 1963	1904
	38.5°F (3.6°C)	38.4°F (3.6°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1964	2012
	Ties: 1909, 1928, 1930, 1945, 1966, 1993
Oct 1964–May 1965 8-Month	39.9°F (4.4°C)	40.2°F (4.6°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1963	1904
	39.9°F (4.4°C)	40.2°F (4.6°C)	-0.3°F (-0.2°C)	81st Warmest	Warmest since: 1964	2012
	Ties: 1956
Sep 1964–May 1965 9-Month	42.7°F (5.9°C)	43.0°F (6.1°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1963	1904
	42.7°F (5.9°C)	43.0°F (6.1°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1964	2012
	Ties: 1930, 1952, 1975
Aug 1964–May 1965 10-Month	45.5°F (7.5°C)	45.9°F (7.7°C)	-0.4°F (-0.2°C)	40th Coolest	Coolest since: 1963	1904
	45.5°F (7.5°C)	45.9°F (7.7°C)	-0.4°F (-0.2°C)	88th Warmest	Warmest since: 1964	2012
	Ties: 1906, 1907, 1975
Jul 1964–May 1965 11-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	41st Coolest	Coolest since: 1963	1904
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	87th Warmest	Warmest since: 1964	2012
	Ties: 1900, 1901, 1925, 1930, 1966
Jun 1964–May 1965 12-Month	50.1°F (10.1°C)	50.3°F (10.2°C)	-0.2°F (-0.1°C)	56th Coolest	Coolest since: 1963	1904
	50.1°F (10.1°C)	50.3°F (10.2°C)	-0.2°F (-0.1°C)	72nd Warmest	Warmest since: 1964	2012
	Ties: 1927, 1967
Dec 1963–May 1965 18-Month	46.0°F (7.8°C)	46.2°F (7.9°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1964	1905
	46.0°F (7.8°C)	46.2°F (7.9°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1958	2017
	Ties: 1897, 1967, 1985
Jun 1963–May 1965 24-Month	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1964	1905
	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1958	2017
	Ties: 1931, 1958, 1995, 2010
Jun 1962–May 1965 36-Month	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	41st Coolest	Coolest since: 1964	1905, 1906
	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	85th Warmest	Warmest since: 1959	2018
	Ties: 1911, 1925, 1929, 1953
Jun 1961–May 1965 48-Month	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	38th Coolest	Coolest since: 1964	1905
	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	87th Warmest	Warmest since: 1960	2019
	Ties: 1915, 1966
Jun 1960–May 1965 60-Month	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	38th Coolest	Coolest since: 1964	1905, 1906, 1908
	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	86th Warmest	Warmest since: 1961	2020
	Ties: 1917, 1966, 1967, 1968, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings