Statewide 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

Average Temperature Rankings, August 1938

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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 1938 1-Month	76.6°F (24.8°C)	73.4°F (23.0°C)	3.2°F (1.8°C)	115th Coolest	Coolest since: 1935	1915
	76.6°F (24.8°C)	73.4°F (23.0°C)	3.2°F (1.8°C)	14th Warmest	Warmest since: 1937	1947
	Ties: 1955
Jul–Aug 1938 2-Month	76.5°F (24.7°C)	74.5°F (23.6°C)	2.0°F (1.1°C)	110th Coolest	Coolest since: 1937	1915
	76.5°F (24.7°C)	74.5°F (23.6°C)	2.0°F (1.1°C)	19th Warmest	Warmest since: 1936	1936
	Ties: 1935, 1954
Jun–Aug 1938 3-Month	74.2°F (23.4°C)	73.5°F (23.1°C)	0.7°F (0.3°C)	87th Coolest	Coolest since: 1937	1915
	74.2°F (23.4°C)	73.5°F (23.1°C)	0.7°F (0.3°C)	42nd Warmest	Warmest since: 1937	1936
	Ties: 1899, 1918, 1925, 1937, 1984, 1999
May–Aug 1938 4-Month	71.2°F (21.8°C)	70.6°F (21.4°C)	0.6°F (0.4°C)	74th Coolest	Coolest since: 1935	1915
May–Aug 1938 4-Month	71.2°F (21.8°C)	70.6°F (21.4°C)	0.6°F (0.4°C)	55th Warmest	Warmest since: 1937	1936
Apr–Aug 1938 5-Month	67.5°F (19.7°C)	66.8°F (19.3°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1937	1907
	67.5°F (19.7°C)	66.8°F (19.3°C)	0.7°F (0.4°C)	45th Warmest	Warmest since: 1936	1934
	Ties: 1931, 1943, 1995, 2017, 2022
Mar–Aug 1938 6-Month	64.2°F (17.9°C)	62.3°F (16.8°C)	1.9°F (1.1°C)	116th Coolest	Coolest since: 1937	1950, 1960
Mar–Aug 1938 6-Month	64.2°F (17.9°C)	62.3°F (16.8°C)	1.9°F (1.1°C)	13th Warmest	Warmest since: 1936	2012
Feb–Aug 1938 7-Month	60.3°F (15.7°C)	57.6°F (14.2°C)	2.7°F (1.5°C)	123rd Coolest	Coolest since: 1937	1904
	60.3°F (15.7°C)	57.6°F (14.2°C)	2.7°F (1.5°C)	6th Warmest	Warmest since: 1921	2012
	Ties: 2010, 2016, 2017
Jan–Aug 1938 8-Month	56.1°F (13.4°C)	53.6°F (12.0°C)	2.5°F (1.4°C)	121st Coolest	Coolest since: 1937	1912
	56.1°F (13.4°C)	53.6°F (12.0°C)	2.5°F (1.4°C)	8th Warmest	Warmest since: 1921	2012
	Ties: 2016
Dec 1937–Aug 1938 9-Month	52.8°F (11.6°C)	50.9°F (10.5°C)	1.9°F (1.1°C)	108th Coolest	Coolest since: 1937	1904
	52.8°F (11.6°C)	50.9°F (10.5°C)	1.9°F (1.1°C)	20th Warmest	Warmest since: 1934	2012
	Ties: 1919
Nov 1937–Aug 1938 10-Month	51.3°F (10.7°C)	49.9°F (9.9°C)	1.4°F (0.8°C)	99th Coolest	Coolest since: 1937	1904
Nov 1937–Aug 1938 10-Month	51.3°F (10.7°C)	49.9°F (9.9°C)	1.4°F (0.8°C)	29th Warmest	Warmest since: 1934	2012
Oct 1937–Aug 1938 11-Month	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	93rd Coolest	Coolest since: 1937	1904
	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	35th Warmest	Warmest since: 1934	2012
	Ties: 1925, 1931, 1988, 2004
Sep 1937–Aug 1938 12-Month	52.5°F (11.4°C)	51.6°F (10.9°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1937	1904
	52.5°F (11.4°C)	51.6°F (10.9°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1934	2012
	Ties: 1898, 1972, 1974, 1988
Mar 1937–Aug 1938 18-Month	55.6°F (13.1°C)	55.2°F (12.9°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1936	1904
	55.6°F (13.1°C)	55.2°F (12.9°C)	0.4°F (0.2°C)	50th Warmest	Warmest since: 1937	2012
	Ties: 1896, 1901, 1941, 1947, 1976
Sep 1936–Aug 1938 24-Month	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	86th Coolest	Coolest since: 1937	1905
	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	41st Warmest	Warmest since: 1935	2017
	Ties: 1957, 1973, 1974, 1998, 2010
Sep 1935–Aug 1938 36-Month	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	67th Coolest	Coolest since: 1937	1979
	51.7°F (10.9°C)	51.6°F (10.9°C)	0.1°F (0.0°C)	59th Warmest	Warmest since: 1936	2018
	Ties: 1898, 1911, 1916, 1924, 1931, 1983, 1995
Sep 1934–Aug 1938 48-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1931	1905
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1937	2019
	Ties: 1921, 1925, 1931, 1950, 1995, 2016
Sep 1933–Aug 1938 60-Month	52.2°F (11.2°C)	51.6°F (10.9°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1937	1906
	52.2°F (11.2°C)	51.6°F (10.9°C)	0.6°F (0.3°C)	43rd Warmest	Warmest since: 1936	2020
	Ties: 1941, 1988, 1993

Citing This Page

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