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 8. Southwest

Average Temperature Rankings, June 1938

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1938 1-Month	72.3°F (22.4°C)	73.9°F (23.3°C)	-1.6°F (-0.9°C)	30th Coolest	Coolest since: 1935	1903
	72.3°F (22.4°C)	73.9°F (23.3°C)	-1.6°F (-0.9°C)	99th Warmest	Warmest since: 1937	1952
	Ties: 1900
May–Jun 1938 2-Month	68.9°F (20.5°C)	69.5°F (20.8°C)	-0.6°F (-0.3°C)	45th Coolest	Coolest since: 1935	1907
	68.9°F (20.5°C)	69.5°F (20.8°C)	-0.6°F (-0.3°C)	84th Warmest	Warmest since: 1937	2018
	Ties: 1906
Apr–Jun 1938 3-Month	65.1°F (18.4°C)	64.8°F (18.2°C)	0.3°F (0.2°C)	62nd Coolest	Coolest since: 1937	1907
	65.1°F (18.4°C)	64.8°F (18.2°C)	0.3°F (0.2°C)	67th Warmest	Warmest since: 1936	2010
	Ties: 2021
Mar–Jun 1938 4-Month	62.0°F (16.7°C)	59.8°F (15.4°C)	2.2°F (1.3°C)	115th Coolest	Coolest since: 1937	1960
Mar–Jun 1938 4-Month	62.0°F (16.7°C)	59.8°F (15.4°C)	2.2°F (1.3°C)	14th Warmest	Warmest since: 1925	2012
Feb–Jun 1938 5-Month	58.2°F (14.6°C)	54.8°F (12.7°C)	3.4°F (1.9°C)	124th Coolest	Coolest since: 1937	1912, 1960, 1978
	58.2°F (14.6°C)	54.8°F (12.7°C)	3.4°F (1.9°C)	5th Warmest	Warmest since: 1921	2012
	Ties: 1946
Jan–Jun 1938 6-Month	53.8°F (12.1°C)	50.8°F (10.4°C)	3.0°F (1.7°C)	121st Coolest	Coolest since: 1937	1912, 1978
	53.8°F (12.1°C)	50.8°F (10.4°C)	3.0°F (1.7°C)	8th Warmest	Warmest since: 1921	2012
	Ties: 1953, 2016
Dec 1937–Jun 1938 7-Month	50.6°F (10.3°C)	48.5°F (9.2°C)	2.1°F (1.1°C)	111th Coolest	Coolest since: 1937	1978
	50.6°F (10.3°C)	48.5°F (9.2°C)	2.1°F (1.1°C)	17th Warmest	Warmest since: 1932	2012
	Ties: 1954, 1992, 2005
Nov 1937–Jun 1938 8-Month	49.4°F (9.7°C)	48.0°F (8.9°C)	1.4°F (0.8°C)	99th Coolest	Coolest since: 1937	1912
	49.4°F (9.7°C)	48.0°F (8.9°C)	1.4°F (0.8°C)	29th Warmest	Warmest since: 1934	2012
	Ties: 1939, 1967, 1986, 2020
Oct 1937–Jun 1938 9-Month	50.0°F (10.0°C)	49.1°F (9.5°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1937	1912, 1978
	50.0°F (10.0°C)	49.1°F (9.5°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 1934	2012
	Ties: 1898, 1911, 1955, 2010, 2021
Sep 1937–Jun 1938 10-Month	51.8°F (11.0°C)	51.0°F (10.6°C)	0.8°F (0.4°C)	84th Coolest	Coolest since: 1937	1978
	51.8°F (11.0°C)	51.0°F (10.6°C)	0.8°F (0.4°C)	44th Warmest	Warmest since: 1934	2012
	Ties: 1909, 1919, 1949
Aug 1937–Jun 1938 11-Month	54.4°F (12.4°C)	53.4°F (11.9°C)	1.0°F (0.5°C)	94th Coolest	Coolest since: 1937	1904, 1978
	54.4°F (12.4°C)	53.4°F (11.9°C)	1.0°F (0.5°C)	34th Warmest	Warmest since: 1934	2012
	Ties: 1898, 2018
Jul 1937–Jun 1938 12-Month	56.2°F (13.4°C)	55.4°F (13.0°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1936	1904, 1912, 1918, 1978
	56.2°F (13.4°C)	55.4°F (13.0°C)	0.8°F (0.4°C)	40th Warmest	Warmest since: 1937	2012
	Ties: 1941, 1986, 2013, 2019
Jan 1937–Jun 1938 18-Month	54.2°F (12.3°C)	53.9°F (12.2°C)	0.3°F (0.1°C)	78th Coolest	Coolest since: 1937	1979
	54.2°F (12.3°C)	53.9°F (12.2°C)	0.3°F (0.1°C)	50th Warmest	Warmest since: 1935	2017
	Ties: 1898, 1944, 1945, 1972
Jul 1936–Jun 1938 24-Month	56.3°F (13.5°C)	55.3°F (12.9°C)	1.0°F (0.6°C)	98th Coolest	Coolest since: 1937	1978, 1979
	56.3°F (13.5°C)	55.3°F (12.9°C)	1.0°F (0.6°C)	29th Warmest	Warmest since: 1935	2017
	Ties: 1923, 2001
Jul 1935–Jun 1938 36-Month	55.7°F (13.2°C)	55.4°F (13.0°C)	0.3°F (0.2°C)	77th Coolest	Coolest since: 1937	1979
	55.7°F (13.2°C)	55.4°F (13.0°C)	0.3°F (0.2°C)	49th Warmest	Warmest since: 1937	2018
	Ties: 1915, 1924, 1937, 1946, 2003, 2016
Jul 1934–Jun 1938 48-Month	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1931	1980
	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 1937	2019
	Ties: 1925, 1945, 1958, 1987, 1990, 1999, 2016
Jul 1933–Jun 1938 60-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	94th Coolest	Coolest since: 1937	1980
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	30th Warmest	Warmest since: 1936	2020
	Ties: 1923, 1925, 1939, 1941, 1958, 1991, 1992, 2005

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings