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 2. Northeast

Average Temperature Rankings, September 1957

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1957 1-Month	61.5°F (16.4°C)	63.7°F (17.6°C)	-2.2°F (-1.2°C)	19th Coolest	Coolest since: 1951	1918
September 1957 1-Month	61.5°F (16.4°C)	63.7°F (17.6°C)	-2.2°F (-1.2°C)	110th Warmest	Warmest since: 1956	1897
Aug–Sep 1957 2-Month	66.2°F (19.0°C)	67.5°F (19.7°C)	-1.3°F (-0.7°C)	27th Coolest	Coolest since: 1951	1902
	66.2°F (19.0°C)	67.5°F (19.7°C)	-1.3°F (-0.7°C)	102nd Warmest	Warmest since: 1956	1947
	Ties: 1962, 1963, 1997, 1999
Jul–Sep 1957 3-Month	68.8°F (20.4°C)	69.4°F (20.8°C)	-0.6°F (-0.4°C)	42nd Coolest	Coolest since: 1956	1924
	68.8°F (20.4°C)	69.4°F (20.8°C)	-0.6°F (-0.4°C)	87th Warmest	Warmest since: 1955	1936
	Ties: 1949, 1985
Jun–Sep 1957 4-Month	68.8°F (20.4°C)	69.1°F (20.6°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1951	1915
	68.8°F (20.4°C)	69.1°F (20.6°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1956	2005
	Ties: 1905, 1979, 2000
May–Sep 1957 5-Month	66.6°F (19.2°C)	67.1°F (19.5°C)	-0.5°F (-0.3°C)	36th Coolest	Coolest since: 1951	1924
	66.6°F (19.2°C)	67.1°F (19.5°C)	-0.5°F (-0.3°C)	93rd Warmest	Warmest since: 1956	1921, 1988
	Ties: 1942, 1961, 1982, 1990
Apr–Sep 1957 6-Month	63.5°F (17.5°C)	63.9°F (17.7°C)	-0.4°F (-0.2°C)	39th Coolest	Coolest since: 1951	1907
	63.5°F (17.5°C)	63.9°F (17.7°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1956	1921
	Ties: 1905, 1943, 1946, 2003
Mar–Sep 1957 7-Month	59.5°F (15.3°C)	59.9°F (15.5°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1956	1924
	59.5°F (15.3°C)	59.9°F (15.5°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1956	2012
	Ties: 1903, 1956
Feb–Sep 1957 8-Month	55.8°F (13.2°C)	55.5°F (13.1°C)	0.3°F (0.1°C)	72nd Coolest	Coolest since: 1956	1904, 1917
	55.8°F (13.2°C)	55.5°F (13.1°C)	0.3°F (0.1°C)	57th Warmest	Warmest since: 1955	2012
	Ties: 1897, 1908, 1910, 1949
Jan–Sep 1957 9-Month	51.4°F (10.8°C)	51.7°F (10.9°C)	-0.3°F (-0.1°C)	52nd Coolest	Coolest since: 1951	1904, 1912
	51.4°F (10.8°C)	51.7°F (10.9°C)	-0.3°F (-0.1°C)	77th Warmest	Warmest since: 1956	2012
	Ties: 1974, 1975, 1980, 1984, 1989, 2008
Dec 1956–Sep 1957 10-Month	49.2°F (9.6°C)	49.1°F (9.5°C)	0.1°F (0.1°C)	65th Coolest	Coolest since: 1956	1904
	49.2°F (9.6°C)	49.1°F (9.5°C)	0.1°F (0.1°C)	63rd Warmest	Warmest since: 1955	2012
	Ties: 1937
Nov 1956–Sep 1957 11-Month	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	64th Coolest	Coolest since: 1956	1904
	48.2°F (9.0°C)	48.1°F (8.9°C)	0.1°F (0.1°C)	64th Warmest	Warmest since: 1955	2012
	Ties: 1959, 1975, 1989, 1992
Oct 1956–Sep 1957 12-Month	49.0°F (9.4°C)	48.5°F (9.2°C)	0.5°F (0.2°C)	81st Coolest	Coolest since: 1956	1904
	49.0°F (9.4°C)	48.5°F (9.2°C)	0.5°F (0.2°C)	47th Warmest	Warmest since: 1955	2012
	Ties: 1938, 1944
Apr 1956–Sep 1957 18-Month	53.9°F (12.2°C)	53.6°F (12.0°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1952	1904
	53.9°F (12.2°C)	53.6°F (12.0°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1956	2012
	Ties: 1911, 1923, 1937, 1944, 1974
Oct 1955–Sep 1957 24-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1952	1918
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1956	2017
	Ties: 1897, 1920, 1938, 1950, 1964, 1977
Oct 1954–Sep 1957 36-Month	49.1°F (9.5°C)	48.5°F (9.2°C)	0.6°F (0.3°C)	89th Coolest	Coolest since: 1953	1979
	49.1°F (9.5°C)	48.5°F (9.2°C)	0.6°F (0.3°C)	37th Warmest	Warmest since: 1956	2000
	Ties: 1939, 1941, 1990
Oct 1953–Sep 1957 48-Month	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	98th Coolest	Coolest since: 1954	1905, 1918
	49.4°F (9.7°C)	48.4°F (9.1°C)	1.0°F (0.6°C)	27th Warmest	Warmest since: 1956	2001, 2002, 2019
	Ties: 2017
Oct 1952–Sep 1957 60-Month	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1956	1905, 1906
	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	24th Warmest	Warmest since: 1935	2002
	Ties: 1923, 1990, 1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings