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, July 1957

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1957 1-Month	78.1°F (25.6°C)	77.9°F (25.5°C)	0.2°F (0.1°C)	75th Coolest	Coolest since: 1956	2014
	78.1°F (25.6°C)	77.9°F (25.5°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 1955	2012
	Ties: 1902, 1907, 1929, 1973, 1998, 2001
Jun–Jul 1957 2-Month	76.2°F (24.6°C)	75.9°F (24.4°C)	0.3°F (0.2°C)	78th Coolest	Coolest since: 1956	1904, 1927
	76.2°F (24.6°C)	75.9°F (24.4°C)	0.3°F (0.2°C)	51st Warmest	Warmest since: 1954	1934
	Ties: 1897, 1942, 1973, 1978, 1984, 1994
May–Jul 1957 3-Month	72.7°F (22.6°C)	72.3°F (22.4°C)	0.4°F (0.2°C)	79th Coolest	Coolest since: 1956	1924
	72.7°F (22.6°C)	72.3°F (22.4°C)	0.4°F (0.2°C)	50th Warmest	Warmest since: 1956	1934
	Ties: 1916, 1956, 1975, 2006
Apr–Jul 1957 4-Month	68.9°F (20.5°C)	68.1°F (20.1°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 1956	1907
	68.9°F (20.5°C)	68.1°F (20.1°C)	0.8°F (0.4°C)	42nd Warmest	Warmest since: 1955	2012
	Ties: 1913, 1981
Mar–Jul 1957 5-Month	63.8°F (17.7°C)	63.4°F (17.4°C)	0.4°F (0.3°C)	72nd Coolest	Coolest since: 1956	1960
	63.8°F (17.7°C)	63.4°F (17.4°C)	0.4°F (0.3°C)	57th Warmest	Warmest since: 1955	2012
	Ties: 1919, 1944
Feb–Jul 1957 6-Month	59.8°F (15.4°C)	58.6°F (14.8°C)	1.2°F (0.6°C)	97th Coolest	Coolest since: 1956	1947
	59.8°F (15.4°C)	58.6°F (14.8°C)	1.2°F (0.6°C)	32nd Warmest	Warmest since: 1955	2012
	Ties: 2001, 2002, 2004
Jan–Jul 1957 7-Month	55.2°F (12.9°C)	54.7°F (12.6°C)	0.5°F (0.3°C)	76th Coolest	Coolest since: 1956	1912
	55.2°F (12.9°C)	54.7°F (12.6°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1955	2012
	Ties: 1927, 1935, 1943, 1967
Dec 1956–Jul 1957 8-Month	53.3°F (11.8°C)	52.1°F (11.2°C)	1.2°F (0.6°C)	90th Coolest	Coolest since: 1956	1978
	53.3°F (11.8°C)	52.1°F (11.2°C)	1.2°F (0.6°C)	38th Warmest	Warmest since: 1955	2012
	Ties: 1922, 2010
Nov 1956–Jul 1957 9-Month	52.3°F (11.3°C)	51.3°F (10.7°C)	1.0°F (0.6°C)	88th Coolest	Coolest since: 1956	1904, 1912
	52.3°F (11.3°C)	51.3°F (10.7°C)	1.0°F (0.6°C)	40th Warmest	Warmest since: 1955	2012
	Ties: 2011
Oct 1956–Jul 1957 10-Month	53.3°F (11.8°C)	52.0°F (11.1°C)	1.3°F (0.7°C)	103rd Coolest	Coolest since: 1956	1904, 1912
	53.3°F (11.8°C)	52.0°F (11.1°C)	1.3°F (0.7°C)	25th Warmest	Warmest since: 1954	2012
	Ties: 1914, 1972, 1974, 1976, 2020
Sep 1956–Jul 1957 11-Month	54.7°F (12.6°C)	53.6°F (12.0°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1956	1904
	54.7°F (12.6°C)	53.6°F (12.0°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1955	2012
	Ties: 1946, 1992, 2004
Aug 1956–Jul 1957 12-Month	56.5°F (13.6°C)	55.3°F (12.9°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 1956	1904
	56.5°F (13.6°C)	55.3°F (12.9°C)	1.2°F (0.7°C)	28th Warmest	Warmest since: 1955	2012
	Ties: 1919, 1922, 1941, 1946, 1972, 1986, 1992, 2007
Feb 1956–Jul 1957 18-Month	57.4°F (14.1°C)	56.4°F (13.6°C)	1.0°F (0.5°C)	95th Coolest	Coolest since: 1956	1918, 1979
	57.4°F (14.1°C)	56.4°F (13.6°C)	1.0°F (0.5°C)	33rd Warmest	Warmest since: 1955	2012
	Ties: 1933
Aug 1955–Jul 1957 24-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	88th Coolest	Coolest since: 1952	1979
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	39th Warmest	Warmest since: 1956	2017
	Ties: 1921, 1949, 1986, 2009
Aug 1954–Jul 1957 36-Month	56.3°F (13.5°C)	55.3°F (12.9°C)	1.0°F (0.6°C)	100th Coolest	Coolest since: 1953	1979
	56.3°F (13.5°C)	55.3°F (12.9°C)	1.0°F (0.6°C)	26th Warmest	Warmest since: 1956	2018
	Ties: 1943, 1999, 2004
Aug 1953–Jul 1957 48-Month	56.6°F (13.7°C)	55.3°F (12.9°C)	1.3°F (0.8°C)	110th Coolest	Coolest since: 1956	1980
	56.6°F (13.7°C)	55.3°F (12.9°C)	1.3°F (0.8°C)	15th Warmest	Warmest since: 1956	2019
	Ties: 1956, 2000, 2006, 2009, 2017
Aug 1952–Jul 1957 60-Month	56.6°F (13.7°C)	55.3°F (12.9°C)	1.3°F (0.8°C)	113th Coolest	Coolest since: 1956	1906, 1980
	56.6°F (13.7°C)	55.3°F (12.9°C)	1.3°F (0.8°C)	11th Warmest	Warmest since: 1936	2020
	Ties: 1936, 2009, 2018, 2022

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