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, 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	47.6°F (8.7°C)	49.8°F (9.9°C)	-2.2°F (-1.2°C)	26th Coolest	Coolest since: 1961	1907
	47.6°F (8.7°C)	49.8°F (9.9°C)	-2.2°F (-1.2°C)	103rd Warmest	Warmest since: 1965	2010
	Ties: 1940
Mar–Apr 1966 2-Month	43.6°F (6.4°C)	44.0°F (6.7°C)	-0.4°F (-0.3°C)	58th Coolest	Coolest since: 1965	1926
	43.6°F (6.4°C)	44.0°F (6.7°C)	-0.4°F (-0.3°C)	71st Warmest	Warmest since: 1964	2012
	Ties: 1933, 1952
Feb–Apr 1966 3-Month	38.4°F (3.6°C)	38.5°F (3.6°C)	-0.1°F (0.0°C)	60th Coolest	Coolest since: 1965	1978
	38.4°F (3.6°C)	38.5°F (3.6°C)	-0.1°F (0.0°C)	69th Warmest	Warmest since: 1964	2012
	Ties: 1909
Jan–Apr 1966 4-Month	33.8°F (1.0°C)	34.9°F (1.6°C)	-1.1°F (-0.6°C)	39th Coolest	Coolest since: 1965	1912
	33.8°F (1.0°C)	34.9°F (1.6°C)	-1.1°F (-0.6°C)	90th Warmest	Warmest since: 1964	2012
	Ties: 1897, 1969, 1977
Dec 1965–Apr 1966 5-Month	34.2°F (1.2°C)	33.5°F (0.8°C)	0.7°F (0.4°C)	72nd Coolest	Coolest since: 1965	1904
Dec 1965–Apr 1966 5-Month	34.2°F (1.2°C)	33.5°F (0.8°C)	0.7°F (0.4°C)	56th Warmest	Warmest since: 1957	2012
Nov 1965–Apr 1966 6-Month	35.5°F (1.9°C)	34.5°F (1.4°C)	1.0°F (0.5°C)	83rd Coolest	Coolest since: 1965	1904
	35.5°F (1.9°C)	34.5°F (1.4°C)	1.0°F (0.5°C)	45th Warmest	Warmest since: 1955	2012
	Ties: 1914, 1922
Oct 1965–Apr 1966 7-Month	38.0°F (3.3°C)	37.2°F (2.9°C)	0.8°F (0.4°C)	78th Coolest	Coolest since: 1965	1904
	38.0°F (3.3°C)	37.2°F (2.9°C)	0.8°F (0.4°C)	50th Warmest	Warmest since: 1964	2012
	Ties: 1947, 1964, 1981
Sep 1965–Apr 1966 8-Month	41.4°F (5.2°C)	40.8°F (4.9°C)	0.6°F (0.3°C)	79th Coolest	Coolest since: 1965	1904
	41.4°F (5.2°C)	40.8°F (4.9°C)	0.6°F (0.3°C)	49th Warmest	Warmest since: 1964	2017
	Ties: 1947, 1948, 1964, 2013
Aug 1965–Apr 1966 9-Month	44.5°F (6.9°C)	44.2°F (6.8°C)	0.3°F (0.1°C)	68th Coolest	Coolest since: 1965	1904
	44.5°F (6.9°C)	44.2°F (6.8°C)	0.3°F (0.1°C)	60th Warmest	Warmest since: 1961	2017
	Ties: 1923, 1928, 1988, 2003
Jul 1965–Apr 1966 10-Month	47.3°F (8.5°C)	47.3°F (8.5°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1965	1904
	47.3°F (8.5°C)	47.3°F (8.5°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1961	2017
	Ties: 1907
Jun 1965–Apr 1966 11-Month	49.3°F (9.6°C)	49.3°F (9.6°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1965	1904
	49.3°F (9.6°C)	49.3°F (9.6°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1964	2017
	Ties: 1907, 1927, 1961
May 1965–Apr 1966 12-Month	50.8°F (10.4°C)	50.4°F (10.2°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1965	1904, 1918
	50.8°F (10.4°C)	50.4°F (10.2°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1957	2017
	Ties: 1923
Nov 1964–Apr 1966 18-Month	45.1°F (7.3°C)	45.0°F (7.2°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1965	1905
	45.1°F (7.3°C)	45.0°F (7.2°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1957	2017
	Ties: 1898, 1920, 2010
May 1964–Apr 1966 24-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 1965	1905
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1958	2017
	Ties: 1924, 1941, 1967
May 1963–Apr 1966 36-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1965	1906
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 1958	2018
	Ties: 1945, 1983, 1996
May 1962–Apr 1966 48-Month	50.1°F (10.1°C)	50.3°F (10.2°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 1965	1905
	50.1°F (10.1°C)	50.3°F (10.2°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1960	2019
	Ties: 1915, 1917, 1952, 1960, 1983, 1985, 1996
May 1961–Apr 1966 60-Month	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	38th Coolest	Coolest since: 1965	1906
	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: 1915, 1927

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings