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, October 1986

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1986 1-Month	56.2°F (13.4°C)	55.7°F (13.2°C)	0.5°F (0.2°C)	75th Coolest	Coolest since: 1982	1925
	56.2°F (13.4°C)	55.7°F (13.2°C)	0.5°F (0.2°C)	54th Warmest	Warmest since: 1985	1963
	Ties: 1901, 2018
Sep–Oct 1986 2-Month	63.5°F (17.5°C)	61.5°F (16.4°C)	2.0°F (1.1°C)	100th Coolest	Coolest since: 1985	1917
	63.5°F (17.5°C)	61.5°F (16.4°C)	2.0°F (1.1°C)	29th Warmest	Warmest since: 1973	1971, 2016
	Ties: 1956
Aug–Oct 1986 3-Month	65.8°F (18.8°C)	65.7°F (18.7°C)	0.1°F (0.1°C)	71st Coolest	Coolest since: 1982	1976
	65.8°F (18.8°C)	65.7°F (18.7°C)	0.1°F (0.1°C)	58th Warmest	Warmest since: 1985	1947, 2007
	Ties: 1916
Jul–Oct 1986 4-Month	69.1°F (20.6°C)	68.4°F (20.2°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 1985	1967
	69.1°F (20.6°C)	68.4°F (20.2°C)	0.7°F (0.4°C)	46th Warmest	Warmest since: 1983	1936
	Ties: 1956, 1963
Jun–Oct 1986 5-Month	70.2°F (21.2°C)	69.2°F (20.7°C)	1.0°F (0.5°C)	95th Coolest	Coolest since: 1985	1917
	70.2°F (21.2°C)	69.2°F (20.7°C)	1.0°F (0.5°C)	34th Warmest	Warmest since: 1983	1936
	Ties: 1899, 1911, 1980, 1995, 2011
May–Oct 1986 6-Month	69.4°F (20.8°C)	68.2°F (20.1°C)	1.2°F (0.7°C)	103rd Coolest	Coolest since: 1985	1917
	69.4°F (20.8°C)	68.2°F (20.1°C)	1.2°F (0.7°C)	26th Warmest	Warmest since: 1959	1936
	Ties: 1901, 2002, 2019
Apr–Oct 1986 7-Month	67.6°F (19.8°C)	66.0°F (18.9°C)	1.6°F (0.9°C)	110th Coolest	Coolest since: 1985	1907
	67.6°F (19.8°C)	66.0°F (18.9°C)	1.6°F (0.9°C)	19th Warmest	Warmest since: 1955	2010
	Ties: 1922, 1953
Mar–Oct 1986 8-Month	64.8°F (18.2°C)	63.0°F (17.2°C)	1.8°F (1.0°C)	118th Coolest	Coolest since: 1985	1917
	64.8°F (18.2°C)	63.0°F (17.2°C)	1.8°F (1.0°C)	11th Warmest	Warmest since: 1977	2012
	Ties: 1938, 1998
Feb–Oct 1986 9-Month	61.0°F (16.1°C)	59.4°F (15.2°C)	1.6°F (0.9°C)	112th Coolest	Coolest since: 1985	1917
	61.0°F (16.1°C)	59.4°F (15.2°C)	1.6°F (0.9°C)	17th Warmest	Warmest since: 1977	2012
	Ties: 1955, 1977, 2000
Jan–Oct 1986 10-Month	58.0°F (14.4°C)	56.3°F (13.5°C)	1.7°F (0.9°C)	114th Coolest	Coolest since: 1985	1979
	58.0°F (14.4°C)	56.3°F (13.5°C)	1.7°F (0.9°C)	15th Warmest	Warmest since: 1954	2012
	Ties: 2006, 2010
Dec 1985–Oct 1986 11-Month	54.8°F (12.7°C)	54.0°F (12.2°C)	0.8°F (0.5°C)	85th Coolest	Coolest since: 1985	1904
	54.8°F (12.7°C)	54.0°F (12.2°C)	0.8°F (0.5°C)	43rd Warmest	Warmest since: 1983	2012
	Ties: 1913, 1930
Nov 1985–Oct 1986 12-Month	54.0°F (12.2°C)	53.0°F (11.7°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 1985	1904
	54.0°F (12.2°C)	53.0°F (11.7°C)	1.0°F (0.5°C)	35th Warmest	Warmest since: 1983	2012
	Ties: 1942
May 1985–Oct 1986 18-Month	58.7°F (14.8°C)	58.1°F (14.5°C)	0.6°F (0.3°C)	83rd Coolest	Coolest since: 1985	1904
	58.7°F (14.8°C)	58.1°F (14.5°C)	0.6°F (0.3°C)	45th Warmest	Warmest since: 1983	2012
	Ties: 1901, 1944
Nov 1984–Oct 1986 24-Month	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	87th Coolest	Coolest since: 1985	1979
	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	40th Warmest	Warmest since: 1956	2017
	Ties: 1947, 2020
Nov 1983–Oct 1986 36-Month	53.0°F (11.7°C)	53.0°F (11.7°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1984	1979
	53.0°F (11.7°C)	53.0°F (11.7°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1985	2018
	Ties: 1911, 1914, 1924, 1937, 1983
Nov 1982–Oct 1986 48-Month	53.5°F (11.9°C)	53.1°F (11.7°C)	0.4°F (0.2°C)	80th Coolest	Coolest since: 1985	1905, 1980
	53.5°F (11.9°C)	53.1°F (11.7°C)	0.4°F (0.2°C)	45th Warmest	Warmest since: 1957	2019
	Ties: 1950, 1998, 1999, 2011, 2015
Nov 1981–Oct 1986 60-Month	53.0°F (11.7°C)	53.0°F (11.7°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1985	1982
	53.0°F (11.7°C)	53.0°F (11.7°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1977	2020
	Ties: 1914, 1931, 1951, 1974, 1977

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