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 7. East Southeast

Average Temperature Rankings, September 1946

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1946 1-Month	66.1°F (18.9°C)	67.4°F (19.7°C)	-1.3°F (-0.8°C)	41st Coolest	Coolest since: 1943	1918
	66.1°F (18.9°C)	67.4°F (19.7°C)	-1.3°F (-0.8°C)	88th Warmest	Warmest since: 1945	1925
	Ties: 1942, 1956, 1979
Aug–Sep 1946 2-Month	67.9°F (19.9°C)	70.8°F (21.6°C)	-2.9°F (-1.7°C)	7th Coolest	Coolest since: 1902	1967
	67.9°F (19.9°C)	70.8°F (21.6°C)	-2.9°F (-1.7°C)	122nd Warmest	Warmest since: 1945	1936
	Ties: 1949
Jul–Sep 1946 3-Month	70.5°F (21.4°C)	72.6°F (22.6°C)	-2.1°F (-1.2°C)	10th Coolest	Coolest since: 1924	1967
	70.5°F (21.4°C)	72.6°F (22.6°C)	-2.1°F (-1.2°C)	119th Warmest	Warmest since: 1945	1936
	Ties: 1904
Jun–Sep 1946 4-Month	71.0°F (21.7°C)	72.5°F (22.5°C)	-1.5°F (-0.8°C)	20th Coolest	Coolest since: 1945	1967
	71.0°F (21.7°C)	72.5°F (22.5°C)	-1.5°F (-0.8°C)	109th Warmest	Warmest since: 1944	1936
	Ties: 1918, 1985, 2014
May–Sep 1946 5-Month	68.8°F (20.4°C)	70.7°F (21.5°C)	-1.9°F (-1.1°C)	15th Coolest	Coolest since: 1945	1924
May–Sep 1946 5-Month	68.8°F (20.4°C)	70.7°F (21.5°C)	-1.9°F (-1.1°C)	114th Warmest	Warmest since: 1944	1936
Apr–Sep 1946 6-Month	66.7°F (19.3°C)	67.8°F (19.9°C)	-1.1°F (-0.6°C)	28th Coolest	Coolest since: 1945	1907
	66.7°F (19.3°C)	67.8°F (19.9°C)	-1.1°F (-0.6°C)	101st Warmest	Warmest since: 1944	2010
	Ties: 1903, 1918, 1929
Mar–Sep 1946 7-Month	64.8°F (18.2°C)	64.0°F (17.8°C)	0.8°F (0.4°C)	90th Coolest	Coolest since: 1945	1924
	64.8°F (18.2°C)	64.0°F (17.8°C)	0.8°F (0.4°C)	39th Warmest	Warmest since: 1944	2012
	Ties: 1905, 1919, 1944, 1995, 2019
Feb–Sep 1946 8-Month	61.2°F (16.2°C)	60.0°F (15.6°C)	1.2°F (0.6°C)	100th Coolest	Coolest since: 1945	1904, 1924
	61.2°F (16.2°C)	60.0°F (15.6°C)	1.2°F (0.6°C)	29th Warmest	Warmest since: 1938	2012
	Ties: 1952
Jan–Sep 1946 9-Month	57.7°F (14.3°C)	56.4°F (13.6°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1945	1979
	57.7°F (14.3°C)	56.4°F (13.6°C)	1.3°F (0.7°C)	27th Warmest	Warmest since: 1944	2012
	Ties: 1919, 1930, 1999, 2000, 2018
Dec 1945–Sep 1946 10-Month	54.4°F (12.4°C)	53.8°F (12.1°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1945	1904
	54.4°F (12.4°C)	53.8°F (12.1°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1944	2012
	Ties: 1898, 1976, 1990
Nov 1945–Sep 1946 11-Month	53.4°F (11.9°C)	52.9°F (11.6°C)	0.5°F (0.3°C)	81st Coolest	Coolest since: 1945	1904
	53.4°F (11.9°C)	52.9°F (11.6°C)	0.5°F (0.3°C)	47th Warmest	Warmest since: 1944	2012
	Ties: 1930, 1935, 1972, 1990, 2011
Oct 1945–Sep 1946 12-Month	53.4°F (11.9°C)	53.1°F (11.7°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1945	1904
	53.4°F (11.9°C)	53.1°F (11.7°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1944	2012
	Ties: 1901, 1985, 2008
Apr 1945–Sep 1946 18-Month	57.6°F (14.2°C)	58.0°F (14.4°C)	-0.4°F (-0.2°C)	41st Coolest	Coolest since: 1940	1918
	57.6°F (14.2°C)	58.0°F (14.4°C)	-0.4°F (-0.2°C)	87th Warmest	Warmest since: 1945	2012
	Ties: 1916, 2001
Oct 1944–Sep 1946 24-Month	53.0°F (11.7°C)	53.1°F (11.7°C)	-0.1°F (0.0°C)	52nd Coolest	Coolest since: 1937	1979
	53.0°F (11.7°C)	53.1°F (11.7°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1945	2017
	Ties: 1898, 1930
Oct 1943–Sep 1946 36-Month	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	70th Coolest	Coolest since: 1945	1979
	53.2°F (11.8°C)	53.1°F (11.7°C)	0.1°F (0.1°C)	56th Warmest	Warmest since: 1945	2018
	Ties: 1937, 1938, 1945, 1953, 1975, 1985, 1995
Oct 1942–Sep 1946 48-Month	53.2°F (11.8°C)	53.0°F (11.7°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1940	1980
	53.2°F (11.8°C)	53.0°F (11.7°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1945	2019
	Ties: 1940, 1947, 1953, 1958
Oct 1941–Sep 1946 60-Month	53.4°F (11.9°C)	53.0°F (11.7°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1940	1982
	53.4°F (11.9°C)	53.0°F (11.7°C)	0.4°F (0.2°C)	56th Warmest	Warmest since: 1945	2020
	Ties: 1950, 1953

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings