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 2. Northeast

Average Temperature Rankings, May 1966

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1966 1-Month	53.9°F (12.2°C)	58.9°F (14.9°C)	-5.0°F (-2.7°C)	8th Coolest	Coolest since: 1945	1907
May 1966 1-Month	53.9°F (12.2°C)	58.9°F (14.9°C)	-5.0°F (-2.7°C)	121st Warmest	Warmest since: 1965	1977
Apr–May 1966 2-Month	49.6°F (9.8°C)	53.4°F (11.9°C)	-3.8°F (-2.1°C)	7th Coolest	Coolest since: 1961	1907
Apr–May 1966 2-Month	49.6°F (9.8°C)	53.4°F (11.9°C)	-3.8°F (-2.1°C)	122nd Warmest	Warmest since: 1965	1896, 1977
Mar–May 1966 3-Month	45.9°F (7.7°C)	47.6°F (8.7°C)	-1.7°F (-1.0°C)	27th Coolest	Coolest since: 1961	1926
	45.9°F (7.7°C)	47.6°F (8.7°C)	-1.7°F (-1.0°C)	102nd Warmest	Warmest since: 1965	2012
	Ties: 1978
Feb–May 1966 4-Month	40.8°F (4.9°C)	41.9°F (5.5°C)	-1.1°F (-0.6°C)	39th Coolest	Coolest since: 1965	1904, 1947
	40.8°F (4.9°C)	41.9°F (5.5°C)	-1.1°F (-0.6°C)	90th Warmest	Warmest since: 1964	2012
	Ties: 2013
Jan–May 1966 5-Month	35.8°F (2.1°C)	37.8°F (3.2°C)	-2.0°F (-1.1°C)	20th Coolest	Coolest since: 1963	1912
	35.8°F (2.1°C)	37.8°F (3.2°C)	-2.0°F (-1.1°C)	109th Warmest	Warmest since: 1965	2012
	Ties: 1923, 1971
Dec 1965–May 1966 6-Month	35.4°F (1.9°C)	35.7°F (2.1°C)	-0.3°F (-0.2°C)	48th Coolest	Coolest since: 1965	1904
	35.4°F (1.9°C)	35.7°F (2.1°C)	-0.3°F (-0.2°C)	80th Warmest	Warmest since: 1964	2012
	Ties: 1969
Nov 1965–May 1966 7-Month	36.1°F (2.3°C)	36.1°F (2.3°C)	0.0°F (0.0°C)	60th Coolest	Coolest since: 1965	1904
	36.1°F (2.3°C)	36.1°F (2.3°C)	0.0°F (0.0°C)	68th Warmest	Warmest since: 1964	2012
	Ties: 1900, 1925, 1930
Oct 1965–May 1966 8-Month	38.1°F (3.4°C)	38.1°F (3.4°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1965	1904
	38.1°F (3.4°C)	38.1°F (3.4°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1964	2012
	Ties: 1906, 1968, 2011
Sep 1965–May 1966 9-Month	40.9°F (4.9°C)	41.0°F (5.0°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1965	1904
	40.9°F (4.9°C)	41.0°F (5.0°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 1964	2012
	Ties: 1915, 1933, 1935, 1948, 1975, 2019
Aug 1965–May 1966 10-Month	43.7°F (6.5°C)	44.0°F (6.7°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1965	1904
	43.7°F (6.5°C)	44.0°F (6.7°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1964	2012
	Ties: 1908, 1925, 1975
Jul 1965–May 1966 11-Month	46.2°F (7.9°C)	46.6°F (8.1°C)	-0.4°F (-0.2°C)	40th Coolest	Coolest since: 1965	1904
	46.2°F (7.9°C)	46.6°F (8.1°C)	-0.4°F (-0.2°C)	88th Warmest	Warmest since: 1964	2012
	Ties: 1947, 1971
Jun 1965–May 1966 12-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	41st Coolest	Coolest since: 1965	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: 1940, 1971, 1975
Dec 1964–May 1966 18-Month	43.6°F (6.4°C)	44.2°F (6.8°C)	-0.6°F (-0.4°C)	32nd Coolest	Coolest since: 1963	1905, 1918
	43.6°F (6.4°C)	44.2°F (6.8°C)	-0.6°F (-0.4°C)	95th Warmest	Warmest since: 1965	2017
	Ties: 1908, 1944
Jun 1964–May 1966 24-Month	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	32nd Coolest	Coolest since: 1963	1905
	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1965	2017
	Ties: 1908, 1928, 1968
Jun 1963–May 1966 36-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1965	1918
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1958	2000
	Ties: 1949, 1958, 1973
Jun 1962–May 1966 48-Month	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	37th Coolest	Coolest since: 1965	1907
	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1964	2001
	Ties: 1911, 1914, 1931, 1951, 1964, 1972, 1973
Jun 1961–May 1966 60-Month	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	31st Coolest	Coolest since: 1963	1908
	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	93rd Warmest	Warmest since: 1965	2002
	Ties: 1910, 1931, 1969, 1972

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