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 1938

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1938 1-Month	64.1°F (17.8°C)	63.7°F (17.6°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1937	1918
	64.1°F (17.8°C)	63.7°F (17.6°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1936	1897
	Ties: 1972
Aug–Sep 1938 2-Month	68.9°F (20.5°C)	67.4°F (19.7°C)	1.5°F (0.8°C)	97th Coolest	Coolest since: 1937	1902
	68.9°F (20.5°C)	67.4°F (19.7°C)	1.5°F (0.8°C)	32nd Warmest	Warmest since: 1937	1947
	Ties: 1908, 1930, 1937, 1973
Jul–Sep 1938 3-Month	70.3°F (21.3°C)	69.3°F (20.7°C)	1.0°F (0.6°C)	85th Coolest	Coolest since: 1932	1924
Jul–Sep 1938 3-Month	70.3°F (21.3°C)	69.3°F (20.7°C)	1.0°F (0.6°C)	44th Warmest	Warmest since: 1937	1936
Jun–Sep 1938 4-Month	69.4°F (20.8°C)	69.2°F (20.7°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1935	1915
	69.4°F (20.8°C)	69.2°F (20.7°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 1937	2005
	Ties: 1908, 1916, 1940, 1961, 2006
May–Sep 1938 5-Month	67.3°F (19.6°C)	67.1°F (19.5°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1935	1924
	67.3°F (19.6°C)	67.1°F (19.5°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1937	1921, 1988
	Ties: 1916, 2017
Apr–Sep 1938 6-Month	64.2°F (17.9°C)	63.9°F (17.7°C)	0.3°F (0.2°C)	64th Coolest	Coolest since: 1937	1907
	64.2°F (17.9°C)	63.9°F (17.7°C)	0.3°F (0.2°C)	65th Warmest	Warmest since: 1936	1921
	Ties: 1908, 1971, 1973
Mar–Sep 1938 7-Month	61.2°F (16.2°C)	59.9°F (15.5°C)	1.3°F (0.7°C)	104th Coolest	Coolest since: 1937	1924
	61.2°F (16.2°C)	59.9°F (15.5°C)	1.3°F (0.7°C)	25th Warmest	Warmest since: 1936	2012
	Ties: 1911, 1999, 2006, 2022
Feb–Sep 1938 8-Month	57.5°F (14.2°C)	55.5°F (13.1°C)	2.0°F (1.1°C)	114th Coolest	Coolest since: 1937	1904, 1917
Feb–Sep 1938 8-Month	57.5°F (14.2°C)	55.5°F (13.1°C)	2.0°F (1.1°C)	15th Warmest	Warmest since: 1921	2012
Jan–Sep 1938 9-Month	53.6°F (12.0°C)	51.7°F (10.9°C)	1.9°F (1.1°C)	109th Coolest	Coolest since: 1937	1904, 1912
	53.6°F (12.0°C)	51.7°F (10.9°C)	1.9°F (1.1°C)	20th Warmest	Warmest since: 1933	2012
	Ties: 1955, 1999
Dec 1937–Sep 1938 10-Month	50.6°F (10.3°C)	49.2°F (9.6°C)	1.4°F (0.7°C)	100th Coolest	Coolest since: 1937	1904
	50.6°F (10.3°C)	49.2°F (9.6°C)	1.4°F (0.7°C)	28th Warmest	Warmest since: 1934	2012
	Ties: 1922, 1939, 1973, 2022
Nov 1937–Sep 1938 11-Month	49.1°F (9.5°C)	48.2°F (9.0°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1937	1904
	49.1°F (9.5°C)	48.2°F (9.0°C)	0.9°F (0.5°C)	36th Warmest	Warmest since: 1934	2012
	Ties: 1941, 1949
Oct 1937–Sep 1938 12-Month	49.0°F (9.4°C)	48.4°F (9.1°C)	0.6°F (0.3°C)	81st Coolest	Coolest since: 1937	1904
	49.0°F (9.4°C)	48.4°F (9.1°C)	0.6°F (0.3°C)	47th Warmest	Warmest since: 1934	2012
	Ties: 1944, 1957
Apr 1937–Sep 1938 18-Month	54.0°F (12.2°C)	53.6°F (12.0°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1937	1904
	54.0°F (12.2°C)	53.6°F (12.0°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1935	2012
	Ties: 1941, 1981, 1985
Oct 1936–Sep 1938 24-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1937	1918
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1935	2017
	Ties: 1897, 1920, 1950, 1957, 1964, 1977
Oct 1935–Sep 1938 36-Month	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1937	1979
	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	85th Warmest	Warmest since: 1936	2000
	Ties: 1899, 1902, 1908, 1958, 1961, 1965, 1968, 1994, 1997
Oct 1934–Sep 1938 48-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	39th Coolest	Coolest since: 1930	1905, 1918
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1937	2001, 2002, 2019
	Ties: 1909, 1914, 1964
Oct 1933–Sep 1938 60-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	53rd Coolest	Coolest since: 1931	1905, 1906
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1937	2002
	Ties: 1900, 1901, 1940, 1948, 1949, 1950, 1974, 1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings