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 1961

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1961 1-Month	66.0°F (18.9°C)	63.7°F (17.6°C)	2.3°F (1.3°C)	96th Coolest	Coolest since: 1958	1918
September 1961 1-Month	66.0°F (18.9°C)	63.7°F (17.6°C)	2.3°F (1.3°C)	33rd Warmest	Warmest since: 1960	1897
Aug–Sep 1961 2-Month	68.7°F (20.4°C)	67.4°F (19.7°C)	1.3°F (0.7°C)	90th Coolest	Coolest since: 1958	1902
Aug–Sep 1961 2-Month	68.7°F (20.4°C)	67.4°F (19.7°C)	1.3°F (0.7°C)	39th Warmest	Warmest since: 1960	1947
Jul–Sep 1961 3-Month	69.8°F (21.0°C)	69.3°F (20.7°C)	0.5°F (0.3°C)	71st Coolest	Coolest since: 1958	1924
	69.8°F (21.0°C)	69.3°F (20.7°C)	0.5°F (0.3°C)	58th Warmest	Warmest since: 1960	1936
	Ties: 1899, 2001
Jun–Sep 1961 4-Month	69.4°F (20.8°C)	69.1°F (20.6°C)	0.3°F (0.2°C)	60th Coolest	Coolest since: 1960	1915
	69.4°F (20.8°C)	69.1°F (20.6°C)	0.3°F (0.2°C)	69th Warmest	Warmest since: 1959	2005
	Ties: 1908, 1916, 1938, 1940, 2006
May–Sep 1961 5-Month	66.6°F (19.2°C)	67.1°F (19.5°C)	-0.5°F (-0.3°C)	36th Coolest	Coolest since: 1958	1924
	66.6°F (19.2°C)	67.1°F (19.5°C)	-0.5°F (-0.3°C)	93rd Warmest	Warmest since: 1960	1921, 1988
	Ties: 1942, 1957, 1982, 1990
Apr–Sep 1961 6-Month	62.6°F (17.0°C)	63.8°F (17.7°C)	-1.2°F (-0.7°C)	20th Coolest	Coolest since: 1951	1907
	62.6°F (17.0°C)	63.8°F (17.7°C)	-1.2°F (-0.7°C)	109th Warmest	Warmest since: 1960	1921
	Ties: 1903, 1929, 1966
Mar–Sep 1961 7-Month	59.2°F (15.1°C)	59.9°F (15.5°C)	-0.7°F (-0.4°C)	35th Coolest	Coolest since: 1960	1924
	59.2°F (15.1°C)	59.9°F (15.5°C)	-0.7°F (-0.4°C)	94th Warmest	Warmest since: 1959	2012
	Ties: 1935, 1966, 1974, 1979
Feb–Sep 1961 8-Month	55.7°F (13.2°C)	55.5°F (13.1°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1960	1904, 1917
	55.7°F (13.2°C)	55.5°F (13.1°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1959	2012
	Ties: 1984
Jan–Sep 1961 9-Month	51.8°F (11.0°C)	51.7°F (10.9°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 1960	1904, 1912
	51.8°F (11.0°C)	51.7°F (10.9°C)	0.1°F (0.1°C)	63rd Warmest	Warmest since: 1959	2012
	Ties: 1897, 1992
Dec 1960–Sep 1961 10-Month	48.9°F (9.4°C)	49.1°F (9.5°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 1960	1904
	48.9°F (9.4°C)	49.1°F (9.5°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1959	2012
	Ties: 1927, 1948, 1959, 1966, 1977, 2008
Nov 1960–Sep 1961 11-Month	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1960	1904
	48.1°F (8.9°C)	48.1°F (8.9°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1959	2012
	Ties: 1910, 1935, 1952, 1966
Oct 1960–Sep 1961 12-Month	48.4°F (9.1°C)	48.4°F (9.1°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1960	1904
	48.4°F (9.1°C)	48.4°F (9.1°C)	0.0°F (0.0°C)	77th Warmest	Warmest since: 1959	2012
	Ties: 1897, 1903, 1948, 1966
Apr 1960–Sep 1961 18-Month	53.7°F (12.1°C)	53.6°F (12.0°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1960	1904
	53.7°F (12.1°C)	53.6°F (12.0°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1957	2012
	Ties: 1906, 1913, 1972
Oct 1959–Sep 1961 24-Month	47.9°F (8.8°C)	48.5°F (9.2°C)	-0.6°F (-0.4°C)	25th Coolest	Coolest since: 1952	1918
	47.9°F (8.8°C)	48.5°F (9.2°C)	-0.6°F (-0.4°C)	102nd Warmest	Warmest since: 1960	2017
	Ties: 1906, 1908, 1928, 1929, 1962, 1971
Oct 1958–Sep 1961 36-Month	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1960	1979
	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	85th Warmest	Warmest since: 1959	2000
	Ties: 1899, 1902, 1908, 1938, 1958, 1965, 1968, 1994, 1997
Oct 1957–Sep 1961 48-Month	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	25th Coolest	Coolest since: 1952	1905, 1918
	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	100th Warmest	Warmest since: 1960	2001, 2002, 2019
	Ties: 1910, 1930, 1952, 1962, 1965, 1968, 1978
Oct 1956–Sep 1961 60-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	39th Coolest	Coolest since: 1960	1905, 1906
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1959	2002
	Ties: 1902, 1910, 1911, 1914, 1921, 1972, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings