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, July 1938

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1938 1-Month	74.8°F (23.8°C)	74.4°F (23.6°C)	0.4°F (0.2°C)	84th Coolest	Coolest since: 1937	2014
	74.8°F (23.8°C)	74.4°F (23.6°C)	0.4°F (0.2°C)	45th Warmest	Warmest since: 1936	1936
	Ties: 1969
Jun–Jul 1938 2-Month	71.8°F (22.1°C)	72.5°F (22.5°C)	-0.7°F (-0.4°C)	49th Coolest	Coolest since: 1937	1958
	71.8°F (22.1°C)	72.5°F (22.5°C)	-0.7°F (-0.4°C)	80th Warmest	Warmest since: 1936	1934
	Ties: 1896, 1935, 1970
May–Jul 1938 3-Month	68.0°F (20.0°C)	68.6°F (20.3°C)	-0.6°F (-0.3°C)	43rd Coolest	Coolest since: 1937	1924
	68.0°F (20.0°C)	68.6°F (20.3°C)	-0.6°F (-0.3°C)	86th Warmest	Warmest since: 1937	1934
	Ties: 1937, 1940, 1963, 1966, 1969, 1979, 2014
Apr–Jul 1938 4-Month	63.9°F (17.7°C)	63.9°F (17.7°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1937	1907
	63.9°F (17.7°C)	63.9°F (17.7°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1936	1991
	Ties: 1969, 1978, 2013
Mar–Jul 1938 5-Month	60.2°F (15.7°C)	58.8°F (14.9°C)	1.4°F (0.8°C)	102nd Coolest	Coolest since: 1937	1960
	60.2°F (15.7°C)	58.8°F (14.9°C)	1.4°F (0.8°C)	27th Warmest	Warmest since: 1936	2012
	Ties: 1896, 1925, 1964, 2000, 2005
Feb–Jul 1938 6-Month	56.1°F (13.4°C)	53.6°F (12.0°C)	2.5°F (1.4°C)	117th Coolest	Coolest since: 1937	1904, 1947
Feb–Jul 1938 6-Month	56.1°F (13.4°C)	53.6°F (12.0°C)	2.5°F (1.4°C)	12th Warmest	Warmest since: 1921	2012
Jan–Jul 1938 7-Month	51.6°F (10.9°C)	49.3°F (9.6°C)	2.3°F (1.3°C)	114th Coolest	Coolest since: 1937	1912
	51.6°F (10.9°C)	49.3°F (9.6°C)	2.3°F (1.3°C)	15th Warmest	Warmest since: 1933	2012
	Ties: 1953, 1986, 1999
Dec 1937–Jul 1938 8-Month	48.4°F (9.1°C)	46.7°F (8.2°C)	1.7°F (0.9°C)	103rd Coolest	Coolest since: 1937	1904
	48.4°F (9.1°C)	46.7°F (8.2°C)	1.7°F (0.9°C)	25th Warmest	Warmest since: 1934	2012
	Ties: 1952, 1955, 1995, 2004, 2007, 2010, 2022
Nov 1937–Jul 1938 9-Month	46.9°F (8.3°C)	45.9°F (7.7°C)	1.0°F (0.6°C)	89th Coolest	Coolest since: 1937	1904
	46.9°F (8.3°C)	45.9°F (7.7°C)	1.0°F (0.6°C)	39th Warmest	Warmest since: 1934	2012
	Ties: 2013
Oct 1937–Jul 1938 10-Month	47.2°F (8.4°C)	46.6°F (8.1°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1937	1904
	47.2°F (8.4°C)	46.6°F (8.1°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1934	2012
	Ties: 2008, 2011
Sep 1937–Jul 1938 11-Month	48.7°F (9.3°C)	48.3°F (9.1°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1937	1904
	48.7°F (9.3°C)	48.3°F (9.1°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1934	2012
	Ties: 1896, 1911, 1952, 1981
Aug 1937–Jul 1938 12-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1937	1904
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1934	2012
	Ties: 1946
Feb 1937–Jul 1938 18-Month	51.4°F (10.8°C)	51.4°F (10.8°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1937	1918
	51.4°F (10.8°C)	51.4°F (10.8°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1937	2012, 2017
	Ties: 1911, 1928, 1937, 1943, 1945, 1965, 1973, 1975, 1981
Aug 1936–Jul 1938 24-Month	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1937	1905
	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1935	2017
	Ties: 1975, 1984, 1993, 1995, 2009, 2010
Aug 1935–Jul 1938 36-Month	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 1937	1904, 1905, 1906
	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1936	2018
	Ties: 1924, 1947, 1951, 1953, 1959, 1996, 1997
Aug 1934–Jul 1938 48-Month	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1930	1905
	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1937	2019
	Ties: 1916, 1921, 1925, 1946, 1952, 1959, 1973
Aug 1933–Jul 1938 60-Month	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	68th Coolest	Coolest since: 1931	1906
	50.6°F (10.3°C)	50.3°F (10.2°C)	0.3°F (0.1°C)	56th Warmest	Warmest since: 1937	2020
	Ties: 1924, 1939, 1944, 1953, 1959

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings