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 7. East Southeast

Average Temperature Rankings, April 1966

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1966 1-Month	50.4°F (10.2°C)	52.8°F (11.6°C)	-2.4°F (-1.4°C)	22nd Coolest	Coolest since: 1961	1907
	50.4°F (10.2°C)	52.8°F (11.6°C)	-2.4°F (-1.4°C)	107th Warmest	Warmest since: 1965	2010
	Ties: 1911, 1916
Mar–Apr 1966 2-Month	46.8°F (8.2°C)	47.2°F (8.4°C)	-0.4°F (-0.2°C)	54th Coolest	Coolest since: 1965	1926
	46.8°F (8.2°C)	47.2°F (8.4°C)	-0.4°F (-0.2°C)	75th Warmest	Warmest since: 1964	2012
	Ties: 1915, 1917, 1933, 1939, 1941, 1949, 2008
Feb–Apr 1966 3-Month	41.3°F (5.2°C)	42.0°F (5.6°C)	-0.7°F (-0.4°C)	50th Coolest	Coolest since: 1965	1978
	41.3°F (5.2°C)	42.0°F (5.6°C)	-0.7°F (-0.4°C)	79th Warmest	Warmest since: 1964	2012
	Ties: 1943, 1988
Jan–Apr 1966 4-Month	36.8°F (2.7°C)	38.5°F (3.6°C)	-1.7°F (-0.9°C)	30th Coolest	Coolest since: 1963	1978
Jan–Apr 1966 4-Month	36.8°F (2.7°C)	38.5°F (3.6°C)	-1.7°F (-0.9°C)	99th Warmest	Warmest since: 1965	2012
Dec 1965–Apr 1966 5-Month	37.1°F (2.8°C)	37.0°F (2.8°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1965	1978
	37.1°F (2.8°C)	37.0°F (2.8°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1957	2012
	Ties: 2008
Nov 1965–Apr 1966 6-Month	38.6°F (3.7°C)	37.9°F (3.3°C)	0.7°F (0.4°C)	76th Coolest	Coolest since: 1965	1978
	38.6°F (3.7°C)	37.9°F (3.3°C)	0.7°F (0.4°C)	52nd Warmest	Warmest since: 1957	2012
	Ties: 1910, 2013
Oct 1965–Apr 1966 7-Month	40.8°F (4.9°C)	40.4°F (4.7°C)	0.4°F (0.2°C)	69th Coolest	Coolest since: 1965	1978
	40.8°F (4.9°C)	40.4°F (4.7°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1964	2012
	Ties: 1927, 1952, 1973, 2009, 2013
Sep 1965–Apr 1966 8-Month	44.2°F (6.8°C)	43.8°F (6.6°C)	0.4°F (0.2°C)	69th Coolest	Coolest since: 1965	1918
	44.2°F (6.8°C)	43.8°F (6.6°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1964	2017
	Ties: 1903, 1914, 1964, 1967, 2010
Aug 1965–Apr 1966 9-Month	47.4°F (8.6°C)	47.3°F (8.5°C)	0.1°F (0.1°C)	62nd Coolest	Coolest since: 1965	1918
	47.4°F (8.6°C)	47.3°F (8.5°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1961	2017
	Ties: 1933, 2009, 2010
Jul 1965–Apr 1966 10-Month	50.0°F (10.0°C)	50.1°F (10.1°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest since: 1965	1918
	50.0°F (10.0°C)	50.1°F (10.1°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1964	2012
	Ties: 1964
Jun 1965–Apr 1966 11-Month	52.0°F (11.1°C)	52.2°F (11.2°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1965	1904, 1918
	52.0°F (11.1°C)	52.2°F (11.2°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1964	2012
	Ties: 1896, 1903, 1943, 1956, 1961, 2010
May 1965–Apr 1966 12-Month	53.4°F (11.9°C)	53.1°F (11.7°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1965	1918
	53.4°F (11.9°C)	53.1°F (11.7°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1957	2012
	Ties: 1901, 1903, 1941, 1990
Nov 1964–Apr 1966 18-Month	48.1°F (8.9°C)	48.0°F (8.9°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1965	1905, 1979
	48.1°F (8.9°C)	48.0°F (8.9°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 1957	2017
	Ties: 1898, 1910, 1940, 1981, 1993, 2009, 2010
May 1964–Apr 1966 24-Month	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	67th Coolest	Coolest since: 1965	1978
	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	60th Warmest	Warmest since: 1957	2017
	Ties: 1967, 1975, 1998
May 1963–Apr 1966 36-Month	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	61st Coolest	Coolest since: 1965	1979
	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	65th Warmest	Warmest since: 1958	2018
	Ties: 1958, 1967
May 1962–Apr 1966 48-Month	52.9°F (11.6°C)	53.0°F (11.7°C)	-0.1°F (-0.1°C)	47th Coolest	Coolest since: 1965	1980
	52.9°F (11.6°C)	53.0°F (11.7°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1959	2019
	Ties: 1903, 1909, 1910, 1952, 1959
May 1961–Apr 1966 60-Month	52.7°F (11.5°C)	53.0°F (11.7°C)	-0.3°F (-0.2°C)	35th Coolest	Coolest since: 1965	1981
	52.7°F (11.5°C)	53.0°F (11.7°C)	-0.3°F (-0.2°C)	89th Warmest	Warmest since: 1961	2020
	Ties: 1901, 1911, 1921, 1961, 1968, 1973, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings