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 1950

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1950 1-Month	62.5°F (16.9°C)	63.7°F (17.6°C)	-1.2°F (-0.7°C)	35th Coolest	Coolest since: 1949	1918
	62.5°F (16.9°C)	63.7°F (17.6°C)	-1.2°F (-0.7°C)	94th Warmest	Warmest since: 1948	1897
	Ties: 1899, 1982
Aug–Sep 1950 2-Month	65.1°F (18.4°C)	67.4°F (19.7°C)	-2.3°F (-1.3°C)	10th Coolest	Coolest since: 1949	1902
	65.1°F (18.4°C)	67.4°F (19.7°C)	-2.3°F (-1.3°C)	119th Warmest	Warmest since: 1949	1947
	Ties: 1949
Jul–Sep 1950 3-Month	66.8°F (19.3°C)	69.4°F (20.8°C)	-2.6°F (-1.5°C)	7th Coolest	Coolest since: 1924	1924
	66.8°F (19.3°C)	69.4°F (20.8°C)	-2.6°F (-1.5°C)	122nd Warmest	Warmest since: 1949	1936
	Ties: 1904
Jun–Sep 1950 4-Month	67.0°F (19.4°C)	69.1°F (20.6°C)	-2.1°F (-1.2°C)	11th Coolest	Coolest since: 1945	1915
	67.0°F (19.4°C)	69.1°F (20.6°C)	-2.1°F (-1.2°C)	118th Warmest	Warmest since: 1949	2005
	Ties: 1945, 1982
May–Sep 1950 5-Month	65.5°F (18.6°C)	67.1°F (19.5°C)	-1.6°F (-0.9°C)	16th Coolest	Coolest since: 1945	1924
May–Sep 1950 5-Month	65.5°F (18.6°C)	67.1°F (19.5°C)	-1.6°F (-0.9°C)	113th Warmest	Warmest since: 1949	1921, 1988
Apr–Sep 1950 6-Month	61.4°F (16.3°C)	63.9°F (17.7°C)	-2.5°F (-1.4°C)	6th Coolest	Coolest since: 1924	1907
Apr–Sep 1950 6-Month	61.4°F (16.3°C)	63.9°F (17.7°C)	-2.5°F (-1.4°C)	123rd Warmest	Warmest since: 1949	1921
Mar–Sep 1950 7-Month	57.1°F (13.9°C)	59.9°F (15.5°C)	-2.8°F (-1.6°C)	2nd Coolest	Coolest since: 1926	1924
	57.1°F (13.9°C)	59.9°F (15.5°C)	-2.8°F (-1.6°C)	127th Warmest	Warmest since: 1949	2012
	Ties: 1917, 1926
Feb–Sep 1950 8-Month	52.9°F (11.6°C)	55.5°F (13.1°C)	-2.6°F (-1.5°C)	4th Coolest	Coolest since: 1924	1904, 1917
	52.9°F (11.6°C)	55.5°F (13.1°C)	-2.6°F (-1.5°C)	125th Warmest	Warmest since: 1949	2012
	Ties: 1912
Jan–Sep 1950 9-Month	50.1°F (10.1°C)	51.8°F (11.0°C)	-1.7°F (-0.9°C)	15th Coolest	Coolest since: 1940	1904, 1912
	50.1°F (10.1°C)	51.8°F (11.0°C)	-1.7°F (-0.9°C)	114th Warmest	Warmest since: 1949	2012
	Ties: 1907, 1958, 1963
Dec 1949–Sep 1950 10-Month	48.0°F (8.9°C)	49.1°F (9.5°C)	-1.1°F (-0.6°C)	23rd Coolest	Coolest since: 1943	1904
	48.0°F (8.9°C)	49.1°F (9.5°C)	-1.1°F (-0.6°C)	105th Warmest	Warmest since: 1949	2012
	Ties: 1899, 1936, 1940, 1943, 1965, 2009
Nov 1949–Sep 1950 11-Month	47.1°F (8.4°C)	48.1°F (8.9°C)	-1.0°F (-0.5°C)	24th Coolest	Coolest since: 1943	1904
	47.1°F (8.4°C)	48.1°F (8.9°C)	-1.0°F (-0.5°C)	104th Warmest	Warmest since: 1949	2012
	Ties: 1940, 1943, 1960, 2009
Oct 1949–Sep 1950 12-Month	47.8°F (8.8°C)	48.4°F (9.1°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1945	1904
	47.8°F (8.8°C)	48.4°F (9.1°C)	-0.6°F (-0.3°C)	93rd Warmest	Warmest since: 1949	2012
	Ties: 1945, 1994
Apr 1949–Sep 1950 18-Month	53.3°F (11.8°C)	53.6°F (12.0°C)	-0.3°F (-0.2°C)	44th Coolest	Coolest since: 1946	1904
	53.3°F (11.8°C)	53.6°F (12.0°C)	-0.3°F (-0.2°C)	84th Warmest	Warmest since: 1949	2012
	Ties: 1975, 1984
Oct 1948–Sep 1950 24-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1948	1918
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1949	2017
	Ties: 1897, 1920, 1938, 1957, 1964, 1977
Oct 1947–Sep 1950 36-Month	48.5°F (9.2°C)	48.5°F (9.2°C)	0.0°F (0.0°C)	60th Coolest	Coolest since: 1948	1979
	48.5°F (9.2°C)	48.5°F (9.2°C)	0.0°F (0.0°C)	66th Warmest	Warmest since: 1949	2000
	Ties: 1900, 1915, 1946, 1948, 1977
Oct 1946–Sep 1950 48-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	54th Coolest	Coolest since: 1948	1905, 1918
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1949	2001, 2002, 2019
	Ties: 1900, 1911, 1916, 1945, 1947, 1984
Oct 1945–Sep 1950 60-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	53rd Coolest	Coolest since: 1949	1905, 1906
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1949	2002
	Ties: 1900, 1901, 1938, 1940, 1948, 1949, 1974, 1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings