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, August 1986

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1986 1-Month	70.5°F (21.4°C)	74.2°F (23.4°C)	-3.7°F (-2.0°C)	8th Coolest	Coolest since: 1967	1915
August 1986 1-Month	70.5°F (21.4°C)	74.2°F (23.4°C)	-3.7°F (-2.0°C)	121st Warmest	Warmest since: 1985	1947
Jul–Aug 1986 2-Month	74.6°F (23.7°C)	75.2°F (24.0°C)	-0.6°F (-0.3°C)	46th Coolest	Coolest since: 1985	1915, 1967
	74.6°F (23.7°C)	75.2°F (24.0°C)	-0.6°F (-0.3°C)	83rd Warmest	Warmest since: 1983	1936
	Ties: 1903, 1939, 1970
Jun–Aug 1986 3-Month	74.6°F (23.7°C)	74.3°F (23.5°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1985	1927
	74.6°F (23.7°C)	74.3°F (23.5°C)	0.3°F (0.2°C)	55th Warmest	Warmest since: 1984	1936
	Ties: 1964, 1966
May–Aug 1986 4-Month	72.4°F (22.4°C)	71.6°F (22.0°C)	0.8°F (0.4°C)	85th Coolest	Coolest since: 1985	1915
	72.4°F (22.4°C)	71.6°F (22.0°C)	0.8°F (0.4°C)	44th Warmest	Warmest since: 1983	1936
	Ties: 1916, 1922, 1999
Apr–Aug 1986 5-Month	69.2°F (20.7°C)	67.8°F (19.9°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1985	1907
	69.2°F (20.7°C)	67.8°F (19.9°C)	1.4°F (0.8°C)	28th Warmest	Warmest since: 1977	2010
	Ties: 1952, 1953
Mar–Aug 1986 6-Month	65.2°F (18.4°C)	63.5°F (17.5°C)	1.7°F (0.9°C)	115th Coolest	Coolest since: 1985	1960
Mar–Aug 1986 6-Month	65.2°F (18.4°C)	63.5°F (17.5°C)	1.7°F (0.9°C)	14th Warmest	Warmest since: 1977	2012
Feb–Aug 1986 7-Month	60.3°F (15.7°C)	58.8°F (14.9°C)	1.5°F (0.8°C)	105th Coolest	Coolest since: 1985	1904
	60.3°F (15.7°C)	58.8°F (14.9°C)	1.5°F (0.8°C)	24th Warmest	Warmest since: 1977	2012
	Ties: 1922, 1959, 2007, 2018
Jan–Aug 1986 8-Month	56.6°F (13.7°C)	55.0°F (12.8°C)	1.6°F (0.9°C)	107th Coolest	Coolest since: 1985	1978
	56.6°F (13.7°C)	55.0°F (12.8°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 1955	2012
	Ties: 1911, 1925, 1946, 1955, 2000
Dec 1985–Aug 1986 9-Month	52.9°F (11.6°C)	52.4°F (11.3°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1985	1904
Dec 1985–Aug 1986 9-Month	52.9°F (11.6°C)	52.4°F (11.3°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1983	2012
Nov 1985–Aug 1986 10-Month	52.2°F (11.2°C)	51.4°F (10.8°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 1985	1904
	52.2°F (11.2°C)	51.4°F (10.8°C)	0.8°F (0.4°C)	41st Warmest	Warmest since: 1983	2012
	Ties: 1896, 1925, 1952, 2011
Oct 1985–Aug 1986 11-Month	52.8°F (11.6°C)	51.8°F (11.0°C)	1.0°F (0.6°C)	94th Coolest	Coolest since: 1985	1904
	52.8°F (11.6°C)	51.8°F (11.0°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 1983	2012
	Ties: 2004, 2020, 2021
Sep 1985–Aug 1986 12-Month	54.0°F (12.2°C)	53.1°F (11.7°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1985	1904
	54.0°F (12.2°C)	53.1°F (11.7°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 1983	2012
	Ties: 1913, 1919, 2011, 2021
Mar 1985–Aug 1986 18-Month	57.4°F (14.1°C)	56.5°F (13.6°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1985	1904
	57.4°F (14.1°C)	56.5°F (13.6°C)	0.9°F (0.5°C)	36th Warmest	Warmest since: 1974	2012
	Ties: 1931, 2020
Sep 1984–Aug 1986 24-Month	53.6°F (12.0°C)	53.1°F (11.7°C)	0.5°F (0.3°C)	83rd Coolest	Coolest since: 1985	1979
	53.6°F (12.0°C)	53.1°F (11.7°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 1974	2017
	Ties: 1957
Sep 1983–Aug 1986 36-Month	53.0°F (11.7°C)	53.1°F (11.7°C)	-0.1°F (0.0°C)	54th Coolest	Coolest since: 1984	1979
	53.0°F (11.7°C)	53.1°F (11.7°C)	-0.1°F (0.0°C)	72nd Warmest	Warmest since: 1985	2018
	Ties: 1898, 1911, 1914, 1947
Sep 1982–Aug 1986 48-Month	53.3°F (11.8°C)	53.0°F (11.7°C)	0.3°F (0.1°C)	68th Coolest	Coolest since: 1985	1980
	53.3°F (11.8°C)	53.0°F (11.7°C)	0.3°F (0.1°C)	57th Warmest	Warmest since: 1976	2019
	Ties: 1925, 1938, 1940, 1958, 1998, 2015
Sep 1981–Aug 1986 60-Month	52.9°F (11.6°C)	53.0°F (11.7°C)	-0.1°F (-0.1°C)	47th Coolest	Coolest since: 1985	1906, 1981, 1982
	52.9°F (11.6°C)	53.0°F (11.7°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1977	2020
	Ties: 1914, 1915, 1931

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings