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 8. Southwest

Average Temperature Rankings, April 1980

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1980 1-Month	53.5°F (11.9°C)	55.3°F (12.9°C)	-1.8°F (-1.0°C)	26th Coolest	Coolest since: 1966	1907
	53.5°F (11.9°C)	55.3°F (12.9°C)	-1.8°F (-1.0°C)	103rd Warmest	Warmest since: 1979	1896
	Ties: 1984, 2020
Mar–Apr 1980 2-Month	46.8°F (8.2°C)	50.0°F (10.0°C)	-3.2°F (-1.8°C)	12th Coolest	Coolest since: 1962	1926, 1960
	46.8°F (8.2°C)	50.0°F (10.0°C)	-3.2°F (-1.8°C)	117th Warmest	Warmest since: 1979	2012
	Ties: 1904, 2013, 2018
Feb–Apr 1980 3-Month	40.5°F (4.7°C)	44.9°F (7.2°C)	-4.4°F (-2.5°C)	7th Coolest	Coolest since: 1978	1899
Feb–Apr 1980 3-Month	40.5°F (4.7°C)	44.9°F (7.2°C)	-4.4°F (-2.5°C)	122nd Warmest	Warmest since: 1979	2012
Jan–Apr 1980 4-Month	38.4°F (3.6°C)	41.5°F (5.3°C)	-3.1°F (-1.7°C)	14th Coolest	Coolest since: 1979	1978
	38.4°F (3.6°C)	41.5°F (5.3°C)	-3.1°F (-1.7°C)	115th Warmest	Warmest since: 1977	2012
	Ties: 1918, 1960
Dec 1979–Apr 1980 5-Month	38.1°F (3.4°C)	40.1°F (4.5°C)	-2.0°F (-1.1°C)	17th Coolest	Coolest since: 1979	1978
	38.1°F (3.4°C)	40.1°F (4.5°C)	-2.0°F (-1.1°C)	111th Warmest	Warmest since: 1977	2012
	Ties: 1958, 1962, 1977
Nov 1979–Apr 1980 6-Month	39.0°F (3.9°C)	40.9°F (4.9°C)	-1.9°F (-1.0°C)	21st Coolest	Coolest since: 1979	1912
Nov 1979–Apr 1980 6-Month	39.0°F (3.9°C)	40.9°F (4.9°C)	-1.9°F (-1.0°C)	107th Warmest	Warmest since: 1976	2012
Oct 1979–Apr 1980 7-Month	41.6°F (5.3°C)	43.2°F (6.2°C)	-1.6°F (-0.9°C)	21st Coolest	Coolest since: 1979	1899, 1978
	41.6°F (5.3°C)	43.2°F (6.2°C)	-1.6°F (-0.9°C)	107th Warmest	Warmest since: 1976	2012
	Ties: 1996
Sep 1979–Apr 1980 8-Month	44.8°F (7.1°C)	46.4°F (8.0°C)	-1.6°F (-0.9°C)	18th Coolest	Coolest since: 1979	1918
	44.8°F (7.1°C)	46.4°F (8.0°C)	-1.6°F (-0.9°C)	110th Warmest	Warmest since: 1976	2017
	Ties: 1960
Aug 1979–Apr 1980 9-Month	48.2°F (9.0°C)	49.7°F (9.8°C)	-1.5°F (-0.8°C)	18th Coolest	Coolest since: 1979	1918
Aug 1979–Apr 1980 9-Month	48.2°F (9.0°C)	49.7°F (9.8°C)	-1.5°F (-0.8°C)	110th Warmest	Warmest since: 1976	2017
Jul 1979–Apr 1980 10-Month	51.1°F (10.6°C)	52.6°F (11.4°C)	-1.5°F (-0.8°C)	16th Coolest	Coolest since: 1979	1918
	51.1°F (10.6°C)	52.6°F (11.4°C)	-1.5°F (-0.8°C)	112th Warmest	Warmest since: 1976	2012
	Ties: 1902, 1993
Jun 1979–Apr 1980 11-Month	53.2°F (11.8°C)	54.6°F (12.6°C)	-1.4°F (-0.8°C)	17th Coolest	Coolest since: 1979	1918
	53.2°F (11.8°C)	54.6°F (12.6°C)	-1.4°F (-0.8°C)	111th Warmest	Warmest since: 1976	2012, 2017
	Ties: 1975
May 1979–Apr 1980 12-Month	54.0°F (12.2°C)	55.4°F (13.0°C)	-1.4°F (-0.8°C)	17th Coolest	Coolest since: 1979	1918
May 1979–Apr 1980 12-Month	54.0°F (12.2°C)	55.4°F (13.0°C)	-1.4°F (-0.8°C)	111th Warmest	Warmest since: 1976	2012, 2017
Nov 1978–Apr 1980 18-Month	48.4°F (9.1°C)	50.5°F (10.3°C)	-2.1°F (-1.2°C)	5th Coolest	Coolest since: 1979	1979
Nov 1978–Apr 1980 18-Month	48.4°F (9.1°C)	50.5°F (10.3°C)	-2.1°F (-1.2°C)	122nd Warmest	Warmest since: 1977	2017
May 1978–Apr 1980 24-Month	53.7°F (12.1°C)	55.4°F (13.0°C)	-1.7°F (-0.9°C)	5th Coolest	Coolest since: 1979	1978
	53.7°F (12.1°C)	55.4°F (13.0°C)	-1.7°F (-0.9°C)	122nd Warmest	Warmest since: 1977	2017
	Ties: 1969
May 1977–Apr 1980 36-Month	53.6°F (12.0°C)	55.3°F (12.9°C)	-1.7°F (-0.9°C)	2nd Coolest	Coolest since: 1979	1979
	53.6°F (12.0°C)	55.3°F (12.9°C)	-1.7°F (-0.9°C)	124th Warmest	Warmest since: 1978	2018
	Ties: 1906
May 1976–Apr 1980 48-Month	53.3°F (11.8°C)	55.4°F (13.0°C)	-2.1°F (-1.2°C)	1st Coolest	Coolest since: 1980	1980
May 1976–Apr 1980 48-Month	53.3°F (11.8°C)	55.4°F (13.0°C)	-2.1°F (-1.2°C)	124th Warmest	Warmest since: 1979	2019
May 1975–Apr 1980 60-Month	54.0°F (12.2°C)	55.3°F (12.9°C)	-1.3°F (-0.7°C)	1st Coolest	Coolest since: 1980	1980, 1981
	54.0°F (12.2°C)	55.3°F (12.9°C)	-1.3°F (-0.7°C)	123rd Warmest	Warmest since: 1979	2020
	Ties: 1981

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