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 7. East Southeast

Average Temperature Rankings, September 1980

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1980 1-Month	69.2°F (20.7°C)	67.4°F (19.7°C)	1.8°F (1.0°C)	88th Coolest	Coolest since: 1979	1918
	69.2°F (20.7°C)	67.4°F (19.7°C)	1.8°F (1.0°C)	41st Warmest	Warmest since: 1978	1925
	Ties: 1915
Aug–Sep 1980 2-Month	73.6°F (23.1°C)	70.8°F (21.6°C)	2.8°F (1.5°C)	116th Coolest	Coolest since: 1979	1967
	73.6°F (23.1°C)	70.8°F (21.6°C)	2.8°F (1.5°C)	13th Warmest	Warmest since: 1960	1936
	Ties: 1998
Jul–Sep 1980 3-Month	75.6°F (24.2°C)	72.6°F (22.6°C)	3.0°F (1.6°C)	124th Coolest	Coolest since: 1979	1967
	75.6°F (24.2°C)	72.6°F (22.6°C)	3.0°F (1.6°C)	5th Warmest	Warmest since: 1955	1936
	Ties: 2002
Jun–Sep 1980 4-Month	74.6°F (23.7°C)	72.6°F (22.6°C)	2.0°F (1.1°C)	111th Coolest	Coolest since: 1979	1967
	74.6°F (23.7°C)	72.6°F (22.6°C)	2.0°F (1.1°C)	18th Warmest	Warmest since: 1954	1936
	Ties: 2007, 2018
May–Sep 1980 5-Month	72.5°F (22.5°C)	70.7°F (21.5°C)	1.8°F (1.0°C)	108th Coolest	Coolest since: 1979	1924
	72.5°F (22.5°C)	70.7°F (21.5°C)	1.8°F (1.0°C)	21st Warmest	Warmest since: 1959	1936
	Ties: 2002, 2005
Apr–Sep 1980 6-Month	68.9°F (20.5°C)	67.8°F (19.9°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1979	1907
Apr–Sep 1980 6-Month	68.9°F (20.5°C)	67.8°F (19.9°C)	1.1°F (0.6°C)	36th Warmest	Warmest since: 1977	2010
Mar–Sep 1980 7-Month	64.3°F (17.9°C)	64.0°F (17.8°C)	0.3°F (0.1°C)	71st Coolest	Coolest since: 1979	1924
	64.3°F (17.9°C)	64.0°F (17.8°C)	0.3°F (0.1°C)	58th Warmest	Warmest since: 1977	2012
	Ties: 1895, 1898, 1963, 1983
Feb–Sep 1980 8-Month	59.2°F (15.1°C)	59.9°F (15.5°C)	-0.7°F (-0.4°C)	38th Coolest	Coolest since: 1979	1904, 1924
	59.2°F (15.1°C)	59.9°F (15.5°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 1977	2012
	Ties: 1897, 1905, 1926, 1963, 1968, 2008, 2013
Jan–Sep 1980 9-Month	55.8°F (13.2°C)	56.4°F (13.6°C)	-0.6°F (-0.4°C)	43rd Coolest	Coolest since: 1979	1979
	55.8°F (13.2°C)	56.4°F (13.6°C)	-0.6°F (-0.4°C)	86th Warmest	Warmest since: 1977	2012
	Ties: 1962, 1993
Dec 1979–Sep 1980 10-Month	53.8°F (12.1°C)	53.9°F (12.2°C)	-0.1°F (-0.1°C)	58th Coolest	Coolest since: 1979	1904
	53.8°F (12.1°C)	53.9°F (12.2°C)	-0.1°F (-0.1°C)	70th Warmest	Warmest since: 1976	2012
	Ties: 1901, 1937, 1956, 1989
Nov 1979–Sep 1980 11-Month	52.7°F (11.5°C)	52.9°F (11.6°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1979	1904
	52.7°F (11.5°C)	52.9°F (11.6°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1976	2012
	Ties: 1901, 1947, 1950, 1965, 2008
Oct 1979–Sep 1980 12-Month	52.9°F (11.6°C)	53.1°F (11.7°C)	-0.2°F (-0.1°C)	52nd Coolest	Coolest since: 1979	1904
	52.9°F (11.6°C)	53.1°F (11.7°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1976	2012
	Ties: 1975, 2009
Apr 1979–Sep 1980 18-Month	57.4°F (14.1°C)	58.0°F (14.4°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1979	1918
	57.4°F (14.1°C)	58.0°F (14.4°C)	-0.6°F (-0.3°C)	93rd Warmest	Warmest since: 1976	2012
	Ties: 1927
Oct 1978–Sep 1980 24-Month	51.7°F (10.9°C)	53.0°F (11.7°C)	-1.3°F (-0.8°C)	7th Coolest	Coolest since: 1979	1979
Oct 1978–Sep 1980 24-Month	51.7°F (10.9°C)	53.0°F (11.7°C)	-1.3°F (-0.8°C)	120th Warmest	Warmest since: 1977	2017
Oct 1977–Sep 1980 36-Month	51.2°F (10.7°C)	53.0°F (11.7°C)	-1.8°F (-1.0°C)	2nd Coolest	Coolest since: 1979	1979
	51.2°F (10.7°C)	53.0°F (11.7°C)	-1.8°F (-1.0°C)	124th Warmest	Warmest since: 1978	2018
	Ties: 1904
Oct 1976–Sep 1980 48-Month	51.3°F (10.7°C)	53.1°F (11.7°C)	-1.8°F (-1.0°C)	1st Coolest	Coolest since: 1980	1980
Oct 1976–Sep 1980 48-Month	51.3°F (10.7°C)	53.1°F (11.7°C)	-1.8°F (-1.0°C)	124th Warmest	Warmest since: 1979	2019
Oct 1975–Sep 1980 60-Month	51.8°F (11.0°C)	53.0°F (11.7°C)	-1.2°F (-0.7°C)	4th Coolest	Coolest since: 1979	1982
	51.8°F (11.0°C)	53.0°F (11.7°C)	-1.2°F (-0.7°C)	120th Warmest	Warmest since: 1979	2020
	Ties: 1905, 1979

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings