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 1956

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1956 1-Month	77.2°F (25.1°C)	76.0°F (24.4°C)	1.2°F (0.7°C)	91st Coolest	Coolest since: 1953	1915
	77.2°F (25.1°C)	76.0°F (24.4°C)	1.2°F (0.7°C)	38th Warmest	Warmest since: 1955	1936
	Ties: 1960
Jul–Aug 1956 2-Month	77.1°F (25.1°C)	77.0°F (25.0°C)	0.1°F (0.1°C)	72nd Coolest	Coolest since: 1951	1967
	77.1°F (25.1°C)	77.0°F (25.0°C)	0.1°F (0.1°C)	57th Warmest	Warmest since: 1955	1936
	Ties: 1957, 1973
Jun–Aug 1956 3-Month	76.1°F (24.5°C)	75.9°F (24.4°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1951	1915, 1927
	76.1°F (24.5°C)	75.9°F (24.4°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1955	1936
	Ties: 2001, 2015, 2019
May–Aug 1956 4-Month	73.8°F (23.2°C)	73.2°F (22.9°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1951	1967
	73.8°F (23.2°C)	73.2°F (22.9°C)	0.6°F (0.3°C)	52nd Warmest	Warmest since: 1955	1936
	Ties: 1926, 1999, 2001
Apr–Aug 1956 5-Month	69.8°F (21.0°C)	69.6°F (20.9°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1951	1907
	69.8°F (21.0°C)	69.6°F (20.9°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1955	2010
	Ties: 1902, 1978, 1993, 2014
Mar–Aug 1956 6-Month	65.6°F (18.7°C)	65.4°F (18.6°C)	0.2°F (0.1°C)	63rd Coolest	Coolest since: 1951	1904
	65.6°F (18.7°C)	65.4°F (18.6°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1955	2012
	Ties: 1943, 1974
Feb–Aug 1956 7-Month	61.7°F (16.5°C)	61.1°F (16.2°C)	0.6°F (0.3°C)	83rd Coolest	Coolest since: 1951	1904
	61.7°F (16.5°C)	61.1°F (16.2°C)	0.6°F (0.3°C)	46th Warmest	Warmest since: 1955	2012
	Ties: 1981, 1988, 2019
Jan–Aug 1956 8-Month	57.6°F (14.2°C)	57.3°F (14.1°C)	0.3°F (0.1°C)	67th Coolest	Coolest since: 1951	1912
	57.6°F (14.2°C)	57.3°F (14.1°C)	0.3°F (0.1°C)	62nd Warmest	Warmest since: 1955	2012
	Ties: 1901, 1909, 1988
Dec 1955–Aug 1956 9-Month	54.8°F (12.7°C)	54.8°F (12.7°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1951	1904
	54.8°F (12.7°C)	54.8°F (12.7°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1955	2012
	Ties: 1975, 1989, 2009
Nov 1955–Aug 1956 10-Month	53.6°F (12.0°C)	53.8°F (12.1°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1951	1904
	53.6°F (12.0°C)	53.8°F (12.1°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1955	2012
	Ties: 1900, 1937, 1947, 1973, 1980, 2008
Oct 1955–Aug 1956 11-Month	53.9°F (12.2°C)	54.2°F (12.3°C)	-0.3°F (-0.1°C)	46th Coolest	Coolest since: 1951	1904
	53.9°F (12.2°C)	54.2°F (12.3°C)	-0.3°F (-0.1°C)	82nd Warmest	Warmest since: 1955	2012
	Ties: 1936, 1937, 1965, 1967
Sep 1955–Aug 1956 12-Month	55.4°F (13.0°C)	55.4°F (13.0°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1951	1904
	55.4°F (13.0°C)	55.4°F (13.0°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1955	2012
	Ties: 1900, 1947, 1948
Mar 1955–Aug 1956 18-Month	59.3°F (15.2°C)	58.8°F (14.9°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1952	1904
	59.3°F (15.2°C)	58.8°F (14.9°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 1955	2012
	Ties: 1901, 1938, 1943, 1998
Sep 1954–Aug 1956 24-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	91st Coolest	Coolest since: 1952	1979
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1955	2017
	Ties: 2003
Sep 1953–Aug 1956 36-Month	56.6°F (13.7°C)	55.3°F (12.9°C)	1.3°F (0.8°C)	107th Coolest	Coolest since: 1953	1979
	56.6°F (13.7°C)	55.3°F (12.9°C)	1.3°F (0.8°C)	19th Warmest	Warmest since: 1955	2018
	Ties: 2020
Sep 1952–Aug 1956 48-Month	56.7°F (13.7°C)	55.4°F (13.0°C)	1.3°F (0.7°C)	112th Coolest	Coolest since: 1954	1980
	56.7°F (13.7°C)	55.4°F (13.0°C)	1.3°F (0.7°C)	13th Warmest	Warmest since: 1955	2019
	Ties: 1933, 2022
Sep 1951–Aug 1956 60-Month	56.6°F (13.7°C)	55.4°F (13.0°C)	1.2°F (0.7°C)	110th Coolest	Coolest since: 1955	1906
	56.6°F (13.7°C)	55.4°F (13.0°C)	1.2°F (0.7°C)	14th Warmest	Warmest since: 1936	2020
	Ties: 1957, 2007, 2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings