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, August 1980

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1980 1-Month	81.0°F (27.2°C)	76.0°F (24.4°C)	5.0°F (2.8°C)	124th Coolest	Coolest since: 1979	1915
August 1980 1-Month	81.0°F (27.2°C)	76.0°F (24.4°C)	5.0°F (2.8°C)	5th Warmest	Warmest since: 1947	1936
Jul–Aug 1980 2-Month	81.6°F (27.6°C)	76.9°F (24.9°C)	4.7°F (2.7°C)	127th Coolest	Coolest since: 1979	1967
Jul–Aug 1980 2-Month	81.6°F (27.6°C)	76.9°F (24.9°C)	4.7°F (2.7°C)	2nd Warmest	Warmest since: 1936	1936
Jun–Aug 1980 3-Month	79.1°F (26.2°C)	75.9°F (24.4°C)	3.2°F (1.8°C)	122nd Coolest	Coolest since: 1979	1915, 1927
	79.1°F (26.2°C)	75.9°F (24.4°C)	3.2°F (1.8°C)	7th Warmest	Warmest since: 1954	1936
	Ties: 2011
May–Aug 1980 4-Month	75.6°F (24.2°C)	73.2°F (22.9°C)	2.4°F (1.3°C)	119th Coolest	Coolest since: 1979	1967
	75.6°F (24.2°C)	73.2°F (22.9°C)	2.4°F (1.3°C)	10th Warmest	Warmest since: 1953	1936
	Ties: 1941, 1991, 2011
Apr–Aug 1980 5-Month	71.2°F (21.8°C)	69.7°F (20.9°C)	1.5°F (0.9°C)	108th Coolest	Coolest since: 1979	1907
	71.2°F (21.8°C)	69.7°F (20.9°C)	1.5°F (0.9°C)	21st Warmest	Warmest since: 1977	2010
	Ties: 1932, 1964, 2002
Mar–Aug 1980 6-Month	66.0°F (18.9°C)	65.5°F (18.6°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1979	1904
	66.0°F (18.9°C)	65.5°F (18.6°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1977	2012
	Ties: 1999, 2004
Feb–Aug 1980 7-Month	60.6°F (15.9°C)	61.1°F (16.2°C)	-0.5°F (-0.3°C)	48th Coolest	Coolest since: 1979	1904
	60.6°F (15.9°C)	61.1°F (16.2°C)	-0.5°F (-0.3°C)	81st Warmest	Warmest since: 1977	2012
	Ties: 1903, 1972
Jan–Aug 1980 8-Month	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	48th Coolest	Coolest since: 1979	1912
	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	81st Warmest	Warmest since: 1977	2012
	Ties: 1900, 1923, 1926
Dec 1979–Aug 1980 9-Month	54.7°F (12.6°C)	54.8°F (12.7°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest since: 1979	1904
	54.7°F (12.6°C)	54.8°F (12.7°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1976	2012
	Ties: 1923, 1936, 1964, 1967
Nov 1979–Aug 1980 10-Month	53.6°F (12.0°C)	53.8°F (12.1°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1979	1904
	53.6°F (12.0°C)	53.8°F (12.1°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1976	2012
	Ties: 1900, 1937, 1947, 1956, 1973, 2008
Oct 1979–Aug 1980 11-Month	54.0°F (12.2°C)	54.2°F (12.3°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1979	1904
	54.0°F (12.2°C)	54.2°F (12.3°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1976	2012
	Ties: 2009
Sep 1979–Aug 1980 12-Month	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1979	1904
	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1976	2012
	Ties: 1903, 1965, 1973
Mar 1979–Aug 1980 18-Month	58.2°F (14.6°C)	58.7°F (14.8°C)	-0.5°F (-0.2°C)	35th Coolest	Coolest since: 1979	1904
	58.2°F (14.6°C)	58.7°F (14.8°C)	-0.5°F (-0.2°C)	93rd Warmest	Warmest since: 1976	2012
	Ties: 1928, 1971, 2015
Sep 1978–Aug 1980 24-Month	54.1°F (12.3°C)	55.3°F (12.9°C)	-1.2°F (-0.6°C)	7th Coolest	Coolest since: 1979	1979
Sep 1978–Aug 1980 24-Month	54.1°F (12.3°C)	55.3°F (12.9°C)	-1.2°F (-0.6°C)	120th Warmest	Warmest since: 1977	2017
Sep 1977–Aug 1980 36-Month	53.7°F (12.1°C)	55.4°F (13.0°C)	-1.7°F (-0.9°C)	3rd Coolest	Coolest since: 1979	1979
Sep 1977–Aug 1980 36-Month	53.7°F (12.1°C)	55.4°F (13.0°C)	-1.7°F (-0.9°C)	123rd Warmest	Warmest since: 1978	2018
Sep 1976–Aug 1980 48-Month	53.7°F (12.1°C)	55.3°F (12.9°C)	-1.6°F (-0.8°C)	1st Coolest	Coolest since: 1980	1980
Sep 1976–Aug 1980 48-Month	53.7°F (12.1°C)	55.3°F (12.9°C)	-1.6°F (-0.8°C)	124th Warmest	Warmest since: 1979	2019
Sep 1975–Aug 1980 60-Month	54.1°F (12.3°C)	55.3°F (12.9°C)	-1.2°F (-0.6°C)	2nd Coolest	Coolest since: 1979	1906
	54.1°F (12.3°C)	55.3°F (12.9°C)	-1.2°F (-0.6°C)	122nd Warmest	Warmest since: 1979	2020
	Ties: 1979, 1981, 1982

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings