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, August 1926

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1926 1-Month	77.4°F (25.2°C)	76.0°F (24.4°C)	1.4°F (0.8°C)	93rd Coolest	Coolest since: 1925	1915
August 1926 1-Month	77.4°F (25.2°C)	76.0°F (24.4°C)	1.4°F (0.8°C)	36th Warmest	Warmest since: 1918	1936
Jul–Aug 1926 2-Month	78.4°F (25.8°C)	77.0°F (25.0°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1925	1967
	78.4°F (25.8°C)	77.0°F (25.0°C)	1.4°F (0.8°C)	28th Warmest	Warmest since: 1918	1936
	Ties: 1932, 1947, 2006
Jun–Aug 1926 3-Month	76.0°F (24.4°C)	75.9°F (24.4°C)	0.1°F (0.0°C)	64th Coolest	Coolest since: 1924	1915, 1927
	76.0°F (24.4°C)	75.9°F (24.4°C)	0.1°F (0.0°C)	65th Warmest	Warmest since: 1925	1936
	Ties: 1978
May–Aug 1926 4-Month	73.8°F (23.2°C)	73.3°F (22.9°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 1925	1967
	73.8°F (23.2°C)	73.3°F (22.9°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 1922	1936
	Ties: 1956, 1999, 2001
Apr–Aug 1926 5-Month	69.0°F (20.6°C)	69.6°F (20.9°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1924	1907
	69.0°F (20.6°C)	69.6°F (20.9°C)	-0.6°F (-0.3°C)	94th Warmest	Warmest since: 1925	2010
	Ties: 1898, 1912, 1958, 1974, 1994
Mar–Aug 1926 6-Month	64.0°F (17.8°C)	65.5°F (18.6°C)	-1.5°F (-0.8°C)	17th Coolest	Coolest since: 1924	1904
	64.0°F (17.8°C)	65.5°F (18.6°C)	-1.5°F (-0.8°C)	112th Warmest	Warmest since: 1925	2012
	Ties: 1971, 1997, 2013
Feb–Aug 1926 7-Month	60.4°F (15.8°C)	61.1°F (16.2°C)	-0.7°F (-0.4°C)	39th Coolest	Coolest since: 1924	1904
	60.4°F (15.8°C)	61.1°F (16.2°C)	-0.7°F (-0.4°C)	90th Warmest	Warmest since: 1925	2012
	Ties: 1970, 1975, 1984
Jan–Aug 1926 8-Month	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	48th Coolest	Coolest since: 1924	1912
	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	81st Warmest	Warmest since: 1925	2012
	Ties: 1900, 1923, 1980
Dec 1925–Aug 1926 9-Month	54.2°F (12.3°C)	54.8°F (12.7°C)	-0.6°F (-0.4°C)	33rd Coolest	Coolest since: 1924	1904
	54.2°F (12.3°C)	54.8°F (12.7°C)	-0.6°F (-0.4°C)	95th Warmest	Warmest since: 1925	2012
	Ties: 1903, 1997, 2003
Nov 1925–Aug 1926 10-Month	53.1°F (11.7°C)	53.8°F (12.1°C)	-0.7°F (-0.4°C)	33rd Coolest	Coolest since: 1924	1904
	53.1°F (11.7°C)	53.8°F (12.1°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1925	2012
	Ties: 1910, 1945, 1948, 1994, 2001, 2003
Oct 1925–Aug 1926 11-Month	52.7°F (11.5°C)	54.1°F (12.3°C)	-1.4°F (-0.8°C)	17th Coolest	Coolest since: 1924	1904
	52.7°F (11.5°C)	54.1°F (12.3°C)	-1.4°F (-0.8°C)	111th Warmest	Warmest since: 1925	2012
	Ties: 1905, 1915, 1924
Sep 1925–Aug 1926 12-Month	54.7°F (12.6°C)	55.4°F (13.0°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1924	1904
	54.7°F (12.6°C)	55.4°F (13.0°C)	-0.7°F (-0.4°C)	96th Warmest	Warmest since: 1925	2012
	Ties: 1897, 1927
Mar 1925–Aug 1926 18-Month	58.8°F (14.9°C)	58.8°F (14.9°C)	0.0°F (0.0°C)	61st Coolest	Coolest since: 1925	1904
	58.8°F (14.9°C)	58.8°F (14.9°C)	0.0°F (0.0°C)	67th Warmest	Warmest since: 1923	2012
	Ties: 1944, 1976, 2001
Sep 1924–Aug 1926 24-Month	55.5°F (13.1°C)	55.3°F (12.9°C)	0.2°F (0.2°C)	70th Coolest	Coolest since: 1925	1979
	55.5°F (13.1°C)	55.3°F (12.9°C)	0.2°F (0.2°C)	57th Warmest	Warmest since: 1923	2017
	Ties: 1898, 1940, 1941, 1946, 1950, 1993, 1995, 2004
Sep 1923–Aug 1926 36-Month	55.0°F (12.8°C)	55.3°F (12.9°C)	-0.3°F (-0.1°C)	30th Coolest	Coolest since: 1920	1979
	55.0°F (12.8°C)	55.3°F (12.9°C)	-0.3°F (-0.1°C)	96th Warmest	Warmest since: 1925	2018
	Ties: 1900, 1901, 1908, 1913, 1952, 1972, 1996, 1997
Sep 1922–Aug 1926 48-Month	55.2°F (12.9°C)	55.3°F (12.9°C)	-0.1°F (0.0°C)	41st Coolest	Coolest since: 1920	1980
	55.2°F (12.9°C)	55.3°F (12.9°C)	-0.1°F (0.0°C)	84th Warmest	Warmest since: 1925	2019
	Ties: 1903, 1952, 1965, 1966, 1977
Sep 1921–Aug 1926 60-Month	55.5°F (13.1°C)	55.3°F (12.9°C)	0.2°F (0.2°C)	59th Coolest	Coolest since: 1921	1906
	55.5°F (13.1°C)	55.3°F (12.9°C)	0.2°F (0.2°C)	65th Warmest	Warmest since: 1925	2020
	Ties: 1947, 1953

Citing This Page

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