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 1937

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1937 1-Month	62.8°F (17.1°C)	63.7°F (17.6°C)	-0.9°F (-0.5°C)	42nd Coolest	Coolest since: 1934	1918
	62.8°F (17.1°C)	63.7°F (17.6°C)	-0.9°F (-0.5°C)	87th Warmest	Warmest since: 1936	1897
	Ties: 1999
Aug–Sep 1937 2-Month	68.9°F (20.5°C)	67.4°F (19.7°C)	1.5°F (0.8°C)	97th Coolest	Coolest since: 1935	1902
	68.9°F (20.5°C)	67.4°F (19.7°C)	1.5°F (0.8°C)	32nd Warmest	Warmest since: 1936	1947
	Ties: 1908, 1930, 1938, 1973
Jul–Sep 1937 3-Month	70.4°F (21.3°C)	69.3°F (20.7°C)	1.1°F (0.6°C)	89th Coolest	Coolest since: 1934	1924
	70.4°F (21.3°C)	69.3°F (20.7°C)	1.1°F (0.6°C)	40th Warmest	Warmest since: 1936	1936
	Ties: 1898, 1934, 1948
Jun–Sep 1937 4-Month	69.5°F (20.8°C)	69.2°F (20.7°C)	0.3°F (0.1°C)	68th Coolest	Coolest since: 1935	1915
	69.5°F (20.8°C)	69.2°F (20.7°C)	0.3°F (0.1°C)	61st Warmest	Warmest since: 1936	2005
	Ties: 1968, 2015
May–Sep 1937 5-Month	67.4°F (19.7°C)	67.1°F (19.5°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1935	1924
	67.4°F (19.7°C)	67.1°F (19.5°C)	0.3°F (0.2°C)	62nd Warmest	Warmest since: 1936	1921, 1988
	Ties: 1908, 1971, 2006
Apr–Sep 1937 6-Month	63.9°F (17.7°C)	63.9°F (17.7°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1935	1907
	63.9°F (17.7°C)	63.9°F (17.7°C)	0.0°F (0.0°C)	77th Warmest	Warmest since: 1936	1921
	Ties: 1916, 2004
Mar–Sep 1937 7-Month	59.3°F (15.2°C)	59.9°F (15.5°C)	-0.6°F (-0.3°C)	40th Coolest	Coolest since: 1935	1924
Mar–Sep 1937 7-Month	59.3°F (15.2°C)	59.9°F (15.5°C)	-0.6°F (-0.3°C)	89th Warmest	Warmest since: 1936	2012
Feb–Sep 1937 8-Month	54.8°F (12.7°C)	55.5°F (13.1°C)	-0.7°F (-0.4°C)	35th Coolest	Coolest since: 1929	1904, 1917
	54.8°F (12.7°C)	55.5°F (13.1°C)	-0.7°F (-0.4°C)	94th Warmest	Warmest since: 1936	2012
	Ties: 1903, 1914, 1943, 1992, 2015
Jan–Sep 1937 9-Month	51.3°F (10.7°C)	51.8°F (11.0°C)	-0.5°F (-0.3°C)	49th Coolest	Coolest since: 1936	1904, 1912
	51.3°F (10.7°C)	51.8°F (11.0°C)	-0.5°F (-0.3°C)	80th Warmest	Warmest since: 1935	2012
	Ties: 1916, 1993
Dec 1936–Sep 1937 10-Month	49.2°F (9.6°C)	49.2°F (9.6°C)	0.0°F (0.0°C)	65th Coolest	Coolest since: 1936	1904
	49.2°F (9.6°C)	49.2°F (9.6°C)	0.0°F (0.0°C)	63rd Warmest	Warmest since: 1934	2012
	Ties: 1957
Nov 1936–Sep 1937 11-Month	47.8°F (8.8°C)	48.1°F (8.9°C)	-0.3°F (-0.1°C)	46th Coolest	Coolest since: 1936	1904
	47.8°F (8.8°C)	48.1°F (8.9°C)	-0.3°F (-0.1°C)	82nd Warmest	Warmest since: 1935	2012
	Ties: 1947, 1971
Oct 1936–Sep 1937 12-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	42nd Coolest	Coolest since: 1936	1904
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	86th Warmest	Warmest since: 1935	2012
	Ties: 1989, 2003
Apr 1936–Sep 1937 18-Month	53.9°F (12.2°C)	53.6°F (12.0°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1936	1904
	53.9°F (12.2°C)	53.6°F (12.0°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1935	2012
	Ties: 1911, 1923, 1944, 1957, 1974
Oct 1935–Sep 1937 24-Month	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	21st Coolest	Coolest since: 1927	1918
	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	106th Warmest	Warmest since: 1936	2017
	Ties: 1902
Oct 1934–Sep 1937 36-Month	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	29th Coolest	Coolest since: 1929	1979
	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	97th Warmest	Warmest since: 1936	2000
	Ties: 1903, 1909, 1969
Oct 1933–Sep 1937 48-Month	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	43rd Coolest	Coolest since: 1930	1905, 1918
	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	82nd Warmest	Warmest since: 1936	2001, 2002, 2019
	Ties: 1899, 1903, 1946, 1948, 1959, 1966, 1967, 1996
Oct 1932–Sep 1937 60-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1931	1905, 1906
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1936	2002
	Ties: 1924, 1939, 1946, 1954, 1975, 1985, 1986

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