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 1939

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1939 1-Month	73.0°F (22.8°C)	74.2°F (23.4°C)	-1.2°F (-0.6°C)	37th Coolest	Coolest since: 1929	1915
	73.0°F (22.8°C)	74.2°F (23.4°C)	-1.2°F (-0.6°C)	92nd Warmest	Warmest since: 1938	1947
	Ties: 1961
Jul–Aug 1939 2-Month	74.6°F (23.7°C)	75.3°F (24.1°C)	-0.7°F (-0.4°C)	46th Coolest	Coolest since: 1929	1915
	74.6°F (23.7°C)	75.3°F (24.1°C)	-0.7°F (-0.4°C)	83rd Warmest	Warmest since: 1938	1936
	Ties: 1903, 1970
Jun–Aug 1939 3-Month	74.2°F (23.4°C)	74.3°F (23.5°C)	-0.1°F (-0.1°C)	57th Coolest	Coolest since: 1929	1927
	74.2°F (23.4°C)	74.3°F (23.5°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 1938	1936
	Ties: 1909, 1923, 1977, 1981, 2019
May–Aug 1939 4-Month	72.0°F (22.2°C)	71.6°F (22.0°C)	0.4°F (0.2°C)	77th Coolest	Coolest since: 1938	1915
May–Aug 1939 4-Month	72.0°F (22.2°C)	71.6°F (22.0°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1936	1936
Apr–Aug 1939 5-Month	67.5°F (19.7°C)	67.8°F (19.9°C)	-0.3°F (-0.2°C)	49th Coolest	Coolest since: 1935	1907
	67.5°F (19.7°C)	67.8°F (19.9°C)	-0.3°F (-0.2°C)	80th Warmest	Warmest since: 1938	2010
	Ties: 1908, 1963, 1968, 1978, 2003
Mar–Aug 1939 6-Month	63.6°F (17.6°C)	63.4°F (17.4°C)	0.2°F (0.2°C)	67th Coolest	Coolest since: 1937	1960
	63.6°F (17.6°C)	63.4°F (17.4°C)	0.2°F (0.2°C)	62nd Warmest	Warmest since: 1938	2012
	Ties: 1929, 1962, 1974, 1983
Feb–Aug 1939 7-Month	59.0°F (15.0°C)	58.9°F (14.9°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1937	1904
	59.0°F (15.0°C)	58.9°F (14.9°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1938	2012
	Ties: 1898, 1908, 1945, 1992, 2021
Jan–Aug 1939 8-Month	55.9°F (13.3°C)	55.0°F (12.8°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1937	1978
	55.9°F (13.3°C)	55.0°F (12.8°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1938	2012
	Ties: 1943, 1959, 1983, 2001, 2018
Dec 1938–Aug 1939 9-Month	53.3°F (11.8°C)	52.4°F (11.3°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1937	1904
	53.3°F (11.8°C)	52.4°F (11.3°C)	0.9°F (0.5°C)	41st Warmest	Warmest since: 1938	2012
	Ties: 1911, 1925, 1976
Nov 1938–Aug 1939 10-Month	52.4°F (11.3°C)	51.4°F (10.8°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 1937	1904
	52.4°F (11.3°C)	51.4°F (10.8°C)	1.0°F (0.5°C)	35th Warmest	Warmest since: 1938	2012
	Ties: 1913
Oct 1938–Aug 1939 11-Month	53.0°F (11.7°C)	51.8°F (11.0°C)	1.2°F (0.7°C)	99th Coolest	Coolest since: 1938	1904
	53.0°F (11.7°C)	51.8°F (11.0°C)	1.2°F (0.7°C)	29th Warmest	Warmest since: 1934	2012
	Ties: 1941
Sep 1938–Aug 1939 12-Month	54.4°F (12.4°C)	53.1°F (11.7°C)	1.3°F (0.7°C)	103rd Coolest	Coolest since: 1938	1904
	54.4°F (12.4°C)	53.1°F (11.7°C)	1.3°F (0.7°C)	25th Warmest	Warmest since: 1934	2012
	Ties: 1914, 1983, 2010
Mar 1938–Aug 1939 18-Month	57.9°F (14.4°C)	56.5°F (13.6°C)	1.4°F (0.8°C)	106th Coolest	Coolest since: 1938	1904
	57.9°F (14.4°C)	56.5°F (13.6°C)	1.4°F (0.8°C)	22nd Warmest	Warmest since: 1934	2012
	Ties: 1914, 1942, 1988, 2008
Sep 1937–Aug 1939 24-Month	54.0°F (12.2°C)	53.1°F (11.7°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1938	1979
	54.0°F (12.2°C)	53.1°F (11.7°C)	0.9°F (0.5°C)	32nd Warmest	Warmest since: 1935	2017
	Ties: 1949, 1953, 2019
Sep 1936–Aug 1939 36-Month	53.7°F (12.1°C)	53.0°F (11.7°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 1938	1979
	53.7°F (12.1°C)	53.0°F (11.7°C)	0.7°F (0.4°C)	40th Warmest	Warmest since: 1936	2018
	Ties: 1936, 1949, 2003, 2009, 2010
Sep 1935–Aug 1939 48-Month	53.5°F (11.9°C)	53.0°F (11.7°C)	0.5°F (0.2°C)	77th Coolest	Coolest since: 1938	1980
	53.5°F (11.9°C)	53.0°F (11.7°C)	0.5°F (0.2°C)	48th Warmest	Warmest since: 1937	2019
	Ties: 1945, 1950, 1974, 1976, 1987, 1999
Sep 1934–Aug 1939 60-Month	53.5°F (11.9°C)	53.0°F (11.7°C)	0.5°F (0.2°C)	74th Coolest	Coolest since: 1931	1906, 1981, 1982
	53.5°F (11.9°C)	53.0°F (11.7°C)	0.5°F (0.2°C)	50th Warmest	Warmest since: 1938	2020
	Ties: 1941, 1946, 1950, 1988, 1994, 2015

Citing This Page

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