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 5. East

Average Temperature Rankings, August 1941

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1941 1-Month	73.0°F (22.8°C)	72.1°F (22.3°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1939	1915
	73.0°F (22.8°C)	72.1°F (22.3°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1940	1947
	Ties: 1895, 1944
Jul–Aug 1941 2-Month	73.7°F (23.2°C)	73.2°F (22.9°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 1939	1915
	73.7°F (23.2°C)	73.2°F (22.9°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 1940	1936
	Ties: 1944
Jun–Aug 1941 3-Month	72.9°F (22.7°C)	72.3°F (22.4°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1939	1915
	72.9°F (22.7°C)	72.3°F (22.4°C)	0.6°F (0.3°C)	45th Warmest	Warmest since: 1940	1936
	Ties: 1900, 1993, 1998
May–Aug 1941 4-Month	70.8°F (21.6°C)	69.5°F (20.8°C)	1.3°F (0.8°C)	97th Coolest	Coolest since: 1940	1915
	70.8°F (21.6°C)	69.5°F (20.8°C)	1.3°F (0.8°C)	32nd Warmest	Warmest since: 1936	1934
	Ties: 1930, 1932, 1964
Apr–Aug 1941 5-Month	67.5°F (19.7°C)	65.5°F (18.6°C)	2.0°F (1.1°C)	114th Coolest	Coolest since: 1940	1907
	67.5°F (19.7°C)	65.5°F (18.6°C)	2.0°F (1.1°C)	15th Warmest	Warmest since: 1936	1991
	Ties: 1998, 2001
Mar–Aug 1941 6-Month	61.9°F (16.6°C)	61.0°F (16.1°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1940	1904, 1907
	61.9°F (16.6°C)	61.0°F (16.1°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1938	2012
	Ties: 1911
Feb–Aug 1941 7-Month	56.6°F (13.7°C)	56.2°F (13.4°C)	0.4°F (0.3°C)	72nd Coolest	Coolest since: 1940	1904
	56.6°F (13.7°C)	56.2°F (13.4°C)	0.4°F (0.3°C)	57th Warmest	Warmest since: 1938	2012
	Ties: 1898, 1945, 1948, 1956
Jan–Aug 1941 8-Month	52.9°F (11.6°C)	52.2°F (11.2°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1940	1904, 1912
	52.9°F (11.6°C)	52.2°F (11.2°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1939	2012
	Ties: 1959
Dec 1940–Aug 1941 9-Month	50.7°F (10.4°C)	49.5°F (9.7°C)	1.2°F (0.7°C)	93rd Coolest	Coolest since: 1940	1904
	50.7°F (10.4°C)	49.5°F (9.7°C)	1.2°F (0.7°C)	35th Warmest	Warmest since: 1938	2012
	Ties: 1944
Nov 1940–Aug 1941 10-Month	49.3°F (9.6°C)	48.5°F (9.2°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1940	1904
	49.3°F (9.6°C)	48.5°F (9.2°C)	0.8°F (0.4°C)	40th Warmest	Warmest since: 1939	2012
	Ties: 1896, 1913
Oct 1940–Aug 1941 11-Month	50.0°F (10.0°C)	49.0°F (9.4°C)	1.0°F (0.6°C)	92nd Coolest	Coolest since: 1940	1904
	50.0°F (10.0°C)	49.0°F (9.4°C)	1.0°F (0.6°C)	36th Warmest	Warmest since: 1939	2012
	Ties: 1933
Sep 1940–Aug 1941 12-Month	51.2°F (10.7°C)	50.4°F (10.2°C)	0.8°F (0.5°C)	90th Coolest	Coolest since: 1940	1904
	51.2°F (10.7°C)	50.4°F (10.2°C)	0.8°F (0.5°C)	38th Warmest	Warmest since: 1939	2012
	Ties: 1933, 1964, 1972, 1974
Mar 1940–Aug 1941 18-Month	54.1°F (12.3°C)	53.9°F (12.2°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1940	1904
	54.1°F (12.3°C)	53.9°F (12.2°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 1939	2012
	Ties: 1896, 1911, 1938, 1943, 1946, 1950, 1981
Sep 1939–Aug 1941 24-Month	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1937	1905
	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1940	2017
	Ties: 1947, 1990
Sep 1938–Aug 1941 36-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1940	1904
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	42nd Warmest	Warmest since: 1939	2018
	Ties: 1950, 1976, 1990, 2009, 2010, 2011
Sep 1937–Aug 1941 48-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1940	1905
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	41st Warmest	Warmest since: 1935	2019
	Ties: 1944, 1949, 1954, 1975, 1976, 1986, 2011, 2015
Sep 1936–Aug 1941 60-Month	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	76th Coolest	Coolest since: 1940	1906
Sep 1936–Aug 1941 60-Month	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	48th Warmest	Warmest since: 1936	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings