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 1923

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1923 1-Month	76.5°F (24.7°C)	76.0°F (24.4°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1921	1915
	76.5°F (24.7°C)	76.0°F (24.4°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1922	1936
	Ties: 2018, 2022
Jul–Aug 1923 2-Month	77.4°F (25.2°C)	76.9°F (24.9°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 1922	1967
	77.4°F (25.2°C)	76.9°F (24.9°C)	0.5°F (0.3°C)	47th Warmest	Warmest since: 1921	1936
	Ties: 1919, 1933, 1998, 2018
Jun–Aug 1923 3-Month	76.2°F (24.6°C)	75.9°F (24.4°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1920	1915, 1927
	76.2°F (24.6°C)	75.9°F (24.4°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1922	1936
	Ties: 1955, 1957, 1973
May–Aug 1923 4-Month	72.8°F (22.7°C)	73.2°F (22.9°C)	-0.4°F (-0.2°C)	49th Coolest	Coolest since: 1920	1967
	72.8°F (22.7°C)	73.2°F (22.9°C)	-0.4°F (-0.2°C)	80th Warmest	Warmest since: 1922	1936
	Ties: 1942, 1984
Apr–Aug 1923 5-Month	69.1°F (20.6°C)	69.6°F (20.9°C)	-0.5°F (-0.3°C)	41st Coolest	Coolest since: 1920	1907
	69.1°F (20.6°C)	69.6°F (20.9°C)	-0.5°F (-0.3°C)	88th Warmest	Warmest since: 1922	2010
	Ties: 1946, 1968, 1996
Mar–Aug 1923 6-Month	64.6°F (18.1°C)	65.5°F (18.6°C)	-0.9°F (-0.5°C)	27th Coolest	Coolest since: 1920	1904
	64.6°F (18.1°C)	65.5°F (18.6°C)	-0.9°F (-0.5°C)	102nd Warmest	Warmest since: 1922	2012
	Ties: 1897, 1978, 1989
Feb–Aug 1923 7-Month	59.7°F (15.4°C)	61.1°F (16.2°C)	-1.4°F (-0.8°C)	19th Coolest	Coolest since: 1920	1904
Feb–Aug 1923 7-Month	59.7°F (15.4°C)	61.1°F (16.2°C)	-1.4°F (-0.8°C)	110th Warmest	Warmest since: 1922	2012
Jan–Aug 1923 8-Month	57.0°F (13.9°C)	57.3°F (14.1°C)	-0.3°F (-0.2°C)	48th Coolest	Coolest since: 1920	1912
	57.0°F (13.9°C)	57.3°F (14.1°C)	-0.3°F (-0.2°C)	81st Warmest	Warmest since: 1922	2012
	Ties: 1900, 1926, 1980
Dec 1922–Aug 1923 9-Month	54.7°F (12.6°C)	54.8°F (12.7°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest since: 1920	1904
	54.7°F (12.6°C)	54.8°F (12.7°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1922	2012
	Ties: 1936, 1964, 1967, 1980
Nov 1922–Aug 1923 10-Month	53.9°F (12.2°C)	53.8°F (12.1°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1920	1904
	53.9°F (12.2°C)	53.8°F (12.1°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1922	2012
	Ties: 1898, 1964, 1966, 1967, 1975, 1989
Oct 1922–Aug 1923 11-Month	54.4°F (12.4°C)	54.1°F (12.3°C)	0.3°F (0.1°C)	68th Coolest	Coolest since: 1920	1904
	54.4°F (12.4°C)	54.1°F (12.3°C)	0.3°F (0.1°C)	60th Warmest	Warmest since: 1922	2012
	Ties: 1896, 1944, 1959, 2008
Sep 1922–Aug 1923 12-Month	55.9°F (13.3°C)	55.4°F (13.0°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1920	1904
	55.9°F (13.3°C)	55.4°F (13.0°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1922	2012
	Ties: 1896, 1916, 1931, 1933, 1976, 2008
Mar 1922–Aug 1923 18-Month	59.5°F (15.3°C)	58.7°F (14.8°C)	0.8°F (0.5°C)	91st Coolest	Coolest since: 1920	1904
	59.5°F (15.3°C)	58.7°F (14.8°C)	0.8°F (0.5°C)	37th Warmest	Warmest since: 1922	2012
	Ties: 1909, 1957, 1964, 1995, 2010
Sep 1921–Aug 1923 24-Month	56.3°F (13.5°C)	55.4°F (13.0°C)	0.9°F (0.5°C)	96th Coolest	Coolest since: 1921	1979
	56.3°F (13.5°C)	55.4°F (13.0°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1922	2017
	Ties: 1914, 2001
Sep 1920–Aug 1923 36-Month	56.8°F (13.8°C)	55.3°F (12.9°C)	1.5°F (0.9°C)	112th Coolest	Coolest since: 1922	1979
	56.8°F (13.8°C)	55.3°F (12.9°C)	1.5°F (0.9°C)	14th Warmest	Warmest to Date	2018
	Ties: 1954, 2001, 2022
Sep 1919–Aug 1923 48-Month	56.1°F (13.4°C)	55.3°F (12.9°C)	0.8°F (0.5°C)	96th Coolest	Coolest since: 1921	1980
	56.1°F (13.4°C)	55.3°F (12.9°C)	0.8°F (0.5°C)	29th Warmest	Warmest since: 1922	2019
	Ties: 1924, 1937, 1942, 1944, 1954, 1988, 2011
Sep 1918–Aug 1923 60-Month	56.1°F (13.4°C)	55.3°F (12.9°C)	0.8°F (0.5°C)	93rd Coolest	Coolest since: 1922	1906
	56.1°F (13.4°C)	55.3°F (12.9°C)	0.8°F (0.5°C)	31st Warmest	Warmest to Date	2020
	Ties: 1932, 1938, 1942, 2000, 2015

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