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 1970

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
April 1970 1-Month	52.8°F (11.6°C)	51.3°F (10.7°C)	1.5°F (0.9°C)	89th Coolest	Coolest since: 1968	2018
April 1970 1-Month	52.8°F (11.6°C)	51.3°F (10.7°C)	1.5°F (0.9°C)	41st Warmest	Warmest since: 1969	2010
Mar–Apr 1970 2-Month	44.3°F (6.8°C)	45.2°F (7.3°C)	-0.9°F (-0.5°C)	48th Coolest	Coolest since: 1969	1960
	44.3°F (6.8°C)	45.2°F (7.3°C)	-0.9°F (-0.5°C)	82nd Warmest	Warmest since: 1968	2012
	Ties: 2002, 2008, 2019
Feb–Apr 1970 3-Month	38.9°F (3.8°C)	39.5°F (4.2°C)	-0.6°F (-0.4°C)	50th Coolest	Coolest since: 1969	1899
	38.9°F (3.8°C)	39.5°F (4.2°C)	-0.6°F (-0.4°C)	80th Warmest	Warmest since: 1968	2012
	Ties: 1949
Jan–Apr 1970 4-Month	33.3°F (0.7°C)	35.6°F (2.0°C)	-2.3°F (-1.3°C)	18th Coolest	Coolest since: 1965	1912
	33.3°F (0.7°C)	35.6°F (2.0°C)	-2.3°F (-1.3°C)	112th Warmest	Warmest since: 1969	2012
	Ties: 1917, 1996
Dec 1969–Apr 1970 5-Month	31.9°F (-0.1°C)	34.2°F (1.2°C)	-2.3°F (-1.3°C)	19th Coolest	Coolest since: 1965	1978
Dec 1969–Apr 1970 5-Month	31.9°F (-0.1°C)	34.2°F (1.2°C)	-2.3°F (-1.3°C)	110th Warmest	Warmest since: 1969	2012
Nov 1969–Apr 1970 6-Month	33.0°F (0.6°C)	35.2°F (1.8°C)	-2.2°F (-1.2°C)	18th Coolest	Coolest since: 1962	1904, 1912, 1978
	33.0°F (0.6°C)	35.2°F (1.8°C)	-2.2°F (-1.2°C)	111th Warmest	Warmest since: 1969	2012
	Ties: 1940, 2001
Oct 1969–Apr 1970 7-Month	35.7°F (2.1°C)	37.9°F (3.3°C)	-2.2°F (-1.2°C)	15th Coolest	Coolest since: 1960	1912
Oct 1969–Apr 1970 7-Month	35.7°F (2.1°C)	37.9°F (3.3°C)	-2.2°F (-1.2°C)	114th Warmest	Warmest since: 1969	2012
Sep 1969–Apr 1970 8-Month	39.4°F (4.1°C)	41.5°F (5.3°C)	-2.1°F (-1.2°C)	13th Coolest	Coolest since: 1951	1904, 1978
	39.4°F (4.1°C)	41.5°F (5.3°C)	-2.1°F (-1.2°C)	116th Warmest	Warmest since: 1969	2017
	Ties: 1902, 1951
Aug 1969–Apr 1970 9-Month	43.2°F (6.2°C)	45.0°F (7.2°C)	-1.8°F (-1.0°C)	15th Coolest	Coolest since: 1951	1978
	43.2°F (6.2°C)	45.0°F (7.2°C)	-1.8°F (-1.0°C)	114th Warmest	Warmest since: 1969	2017
	Ties: 1920
Jul 1969–Apr 1970 10-Month	46.5°F (8.1°C)	48.1°F (8.9°C)	-1.6°F (-0.8°C)	16th Coolest	Coolest since: 1951	1904
Jul 1969–Apr 1970 10-Month	46.5°F (8.1°C)	48.1°F (8.9°C)	-1.6°F (-0.8°C)	113th Warmest	Warmest since: 1969	2012
Jun 1969–Apr 1970 11-Month	48.4°F (9.1°C)	50.3°F (10.2°C)	-1.9°F (-1.1°C)	14th Coolest	Coolest since: 1951	1904
Jun 1969–Apr 1970 11-Month	48.4°F (9.1°C)	50.3°F (10.2°C)	-1.9°F (-1.1°C)	115th Warmest	Warmest since: 1969	2017
May 1969–Apr 1970 12-Month	49.6°F (9.8°C)	51.3°F (10.7°C)	-1.7°F (-0.9°C)	15th Coolest	Coolest since: 1968	1918
	49.6°F (9.8°C)	51.3°F (10.7°C)	-1.7°F (-0.9°C)	114th Warmest	Warmest since: 1969	2017
	Ties: 1968
Nov 1968–Apr 1970 18-Month	44.3°F (6.8°C)	45.9°F (7.7°C)	-1.6°F (-0.9°C)	11th Coolest	Coolest since: 1952	1979
	44.3°F (6.8°C)	45.9°F (7.7°C)	-1.6°F (-0.9°C)	117th Warmest	Warmest since: 1969	2017
	Ties: 1952, 2014
May 1968–Apr 1970 24-Month	49.8°F (9.9°C)	51.2°F (10.7°C)	-1.4°F (-0.8°C)	9th Coolest	Coolest since: 1969	1905
	49.8°F (9.9°C)	51.2°F (10.7°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1969	2017
	Ties: 1969
May 1967–Apr 1970 36-Month	49.7°F (9.8°C)	51.2°F (10.7°C)	-1.5°F (-0.9°C)	6th Coolest	Coolest since: 1918	1979
May 1967–Apr 1970 36-Month	49.7°F (9.8°C)	51.2°F (10.7°C)	-1.5°F (-0.9°C)	121st Warmest	Warmest since: 1969	2018
May 1966–Apr 1970 48-Month	50.1°F (10.1°C)	51.2°F (10.7°C)	-1.1°F (-0.6°C)	7th Coolest	Coolest since: 1918	1980
	50.1°F (10.1°C)	51.2°F (10.7°C)	-1.1°F (-0.6°C)	119th Warmest	Warmest since: 1969	1935
	Ties: 1918, 1978
May 1965–Apr 1970 60-Month	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	12th Coolest	Coolest since: 1963	1906, 1979
	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	113th Warmest	Warmest since: 1969	1935
	Ties: 1962, 1963, 1972

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on June 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings