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 3. West

Average Temperature Rankings, April 1965

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
April 1965 1-Month	52.1°F (11.2°C)	51.3°F (10.7°C)	0.8°F (0.5°C)	78th Coolest	Coolest since: 1962	2018
	52.1°F (11.2°C)	51.3°F (10.7°C)	0.8°F (0.5°C)	52nd Warmest	Warmest since: 1964	2010
	Ties: 1932, 1978, 1998, 2002
Mar–Apr 1965 2-Month	40.1°F (4.5°C)	45.2°F (7.3°C)	-5.1°F (-2.8°C)	3rd Coolest	Coolest since: 1960	1960
	40.1°F (4.5°C)	45.2°F (7.3°C)	-5.1°F (-2.8°C)	127th Warmest	Warmest since: 1964	2012
	Ties: 1950
Feb–Apr 1965 3-Month	35.8°F (2.1°C)	39.5°F (4.2°C)	-3.7°F (-2.1°C)	13th Coolest	Coolest since: 1960	1899
	35.8°F (2.1°C)	39.5°F (4.2°C)	-3.7°F (-2.1°C)	117th Warmest	Warmest since: 1964	2012
	Ties: 1980
Jan–Apr 1965 4-Month	33.0°F (0.6°C)	35.6°F (2.0°C)	-2.6°F (-1.4°C)	16th Coolest	Coolest since: 1962	1912
Jan–Apr 1965 4-Month	33.0°F (0.6°C)	35.6°F (2.0°C)	-2.6°F (-1.4°C)	114th Warmest	Warmest since: 1964	2012
Dec 1964–Apr 1965 5-Month	31.6°F (-0.2°C)	34.2°F (1.2°C)	-2.6°F (-1.4°C)	16th Coolest	Coolest since: 1962	1978
	31.6°F (-0.2°C)	34.2°F (1.2°C)	-2.6°F (-1.4°C)	113th Warmest	Warmest since: 1964	2012
	Ties: 1917, 1940
Nov 1964–Apr 1965 6-Month	33.8°F (1.0°C)	35.2°F (1.8°C)	-1.4°F (-0.8°C)	27th Coolest	Coolest since: 1963	1904, 1912, 1978
	33.8°F (1.0°C)	35.2°F (1.8°C)	-1.4°F (-0.8°C)	102nd Warmest	Warmest since: 1964	2012
	Ties: 1901, 1956, 1969, 1993
Oct 1964–Apr 1965 7-Month	36.4°F (2.4°C)	37.9°F (3.3°C)	-1.5°F (-0.9°C)	22nd Coolest	Coolest since: 1962	1912
	36.4°F (2.4°C)	37.9°F (3.3°C)	-1.5°F (-0.9°C)	107th Warmest	Warmest since: 1964	2012
	Ties: 1940
Sep 1964–Apr 1965 8-Month	40.2°F (4.6°C)	41.5°F (5.3°C)	-1.3°F (-0.7°C)	28th Coolest	Coolest since: 1963	1904, 1978
	40.2°F (4.6°C)	41.5°F (5.3°C)	-1.3°F (-0.7°C)	101st Warmest	Warmest since: 1964	2017
	Ties: 1944, 1963
Aug 1964–Apr 1965 9-Month	43.7°F (6.5°C)	45.0°F (7.2°C)	-1.3°F (-0.7°C)	22nd Coolest	Coolest since: 1962	1978
	43.7°F (6.5°C)	45.0°F (7.2°C)	-1.3°F (-0.7°C)	107th Warmest	Warmest since: 1964	2017
	Ties: 1960, 1997, 2015
Jul 1964–Apr 1965 10-Month	47.0°F (8.3°C)	48.1°F (8.9°C)	-1.1°F (-0.6°C)	27th Coolest	Coolest since: 1963	1904
Jul 1964–Apr 1965 10-Month	47.0°F (8.3°C)	48.1°F (8.9°C)	-1.1°F (-0.6°C)	102nd Warmest	Warmest since: 1964	2012
Jun 1964–Apr 1965 11-Month	49.4°F (9.7°C)	50.3°F (10.2°C)	-0.9°F (-0.5°C)	32nd Coolest	Coolest since: 1963	1904
	49.4°F (9.7°C)	50.3°F (10.2°C)	-0.9°F (-0.5°C)	97th Warmest	Warmest since: 1964	2017
	Ties: 1929, 1986
May 1964–Apr 1965 12-Month	50.8°F (10.4°C)	51.3°F (10.7°C)	-0.5°F (-0.3°C)	44th Coolest	Coolest since: 1962	1918
	50.8°F (10.4°C)	51.3°F (10.7°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 1964	2017
	Ties: 1947
Nov 1963–Apr 1965 18-Month	45.5°F (7.5°C)	45.9°F (7.7°C)	-0.4°F (-0.2°C)	44th Coolest	Coolest since: 1963	1979
	45.5°F (7.5°C)	45.9°F (7.7°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1964	2017
	Ties: 1977
May 1963–Apr 1965 24-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1964	1905
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1964	2017
	Ties: 1897, 1898, 1910, 1964, 1967, 2009
May 1962–Apr 1965 36-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1964	1979
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1958	2018
	Ties: 1902, 1909, 1914, 1938, 1945, 1967, 1973
May 1961–Apr 1965 48-Month	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	30th Coolest	Coolest since: 1964	1980
	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	96th Warmest	Warmest since: 1964	1935
	Ties: 1899, 1952, 1964, 1968, 1973
May 1960–Apr 1965 60-Month	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	28th Coolest	Coolest since: 1964	1906, 1979
	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	97th Warmest	Warmest since: 1964	1935
	Ties: 1902, 1913, 1928, 1964, 1986, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings