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 3. West

Average Temperature Rankings, February 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
February 1940 1-Month	27.9°F (-2.3°C)	28.1°F (-2.2°C)	-0.2°F (-0.1°C)	61st Coolest	Coolest since: 1939	1936
	27.9°F (-2.3°C)	28.1°F (-2.2°C)	-0.2°F (-0.1°C)	68th Warmest	Warmest since: 1938	2017
	Ties: 1918, 2001
Jan–Feb 1940 2-Month	19.3°F (-7.1°C)	25.9°F (-3.4°C)	-6.6°F (-3.7°C)	13th Coolest	Coolest since: 1936	1979
Jan–Feb 1940 2-Month	19.3°F (-7.1°C)	25.9°F (-3.4°C)	-6.6°F (-3.7°C)	116th Warmest	Warmest since: 1939	2017
Dec 1939–Feb 1940 3-Month	24.2°F (-4.3°C)	26.8°F (-2.9°C)	-2.6°F (-1.4°C)	24th Coolest	Coolest since: 1936	1936
	24.2°F (-4.3°C)	26.8°F (-2.9°C)	-2.6°F (-1.4°C)	104th Warmest	Warmest since: 1939	1932
	Ties: 2011
Nov 1939–Feb 1940 4-Month	28.2°F (-2.1°C)	30.1°F (-1.1°C)	-1.9°F (-1.0°C)	23rd Coolest	Coolest since: 1936	1936
	28.2°F (-2.1°C)	30.1°F (-1.1°C)	-1.9°F (-1.0°C)	105th Warmest	Warmest since: 1939	1932
	Ties: 1917, 1997
Oct 1939–Feb 1940 5-Month	33.9°F (1.1°C)	35.0°F (1.7°C)	-1.1°F (-0.6°C)	34th Coolest	Coolest since: 1936	1977
	33.9°F (1.1°C)	35.0°F (1.7°C)	-1.1°F (-0.6°C)	94th Warmest	Warmest since: 1939	1932
	Ties: 1959, 1996
Sep 1939–Feb 1940 6-Month	40.0°F (4.4°C)	40.2°F (4.6°C)	-0.2°F (-0.2°C)	56th Coolest	Coolest since: 1936	1977
	40.0°F (4.4°C)	40.2°F (4.6°C)	-0.2°F (-0.2°C)	72nd Warmest	Warmest since: 1939	1932
	Ties: 1943, 1967, 1980
Aug 1939–Feb 1940 7-Month	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F (-0.2°C)	48th Coolest	Coolest since: 1936	1977
	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F (-0.2°C)	80th Warmest	Warmest since: 1939	1932
	Ties: 1946, 2021
Jul 1939–Feb 1940 8-Month	48.6°F (9.2°C)	48.9°F (9.4°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1936	1977
	48.6°F (9.2°C)	48.9°F (9.4°C)	-0.3°F (-0.2°C)	81st Warmest	Warmest since: 1939	1932
	Ties: 1927, 1943, 1967, 2003, 2019, 2021
Jun 1939–Feb 1940 9-Month	51.3°F (10.7°C)	51.4°F (10.8°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest since: 1936	1977
Jun 1939–Feb 1940 9-Month	51.3°F (10.7°C)	51.4°F (10.8°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1939	1932
May 1939–Feb 1940 10-Month	52.8°F (11.6°C)	52.5°F (11.4°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1936	1918
	52.8°F (11.6°C)	52.5°F (11.4°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1939	1932
	Ties: 1913, 1945, 1974, 2007, 2018
Apr 1939–Feb 1940 11-Month	52.4°F (11.3°C)	52.4°F (11.3°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1936	1918
	52.4°F (11.3°C)	52.4°F (11.3°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1939	1932
	Ties: 1926, 1990
Mar 1939–Feb 1940 12-Month	51.5°F (10.8°C)	51.3°F (10.7°C)	0.2°F (0.1°C)	68th Coolest	Coolest since: 1938	1918
	51.5°F (10.8°C)	51.3°F (10.7°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1939	2017
	Ties: 1898, 1926, 1941, 2019
Sep 1938–Feb 1940 18-Month	48.7°F (9.3°C)	47.5°F (8.6°C)	1.2°F (0.7°C)	102nd Coolest	Coolest since: 1938	1905
	48.7°F (9.3°C)	47.5°F (8.6°C)	1.2°F (0.7°C)	25th Warmest	Warmest since: 1939	2017
	Ties: 1934, 2002, 2005, 2008
Mar 1938–Feb 1940 24-Month	52.6°F (11.4°C)	51.2°F (10.7°C)	1.4°F (0.7°C)	109th Coolest	Coolest since: 1939	1905
	52.6°F (11.4°C)	51.2°F (10.7°C)	1.4°F (0.7°C)	18th Warmest	Warmest since: 1935	2017
	Ties: 1989
Mar 1937–Feb 1940 36-Month	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	103rd Coolest	Coolest since: 1938	1979
	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	23rd Warmest	Warmest since: 1939	2018
	Ties: 1922, 1957, 1988, 1990
Mar 1936–Feb 1940 48-Month	52.5°F (11.4°C)	51.2°F (10.7°C)	1.3°F (0.7°C)	114th Coolest	Coolest since: 1939	1905, 1980
	52.5°F (11.4°C)	51.2°F (10.7°C)	1.3°F (0.7°C)	11th Warmest	Warmest since: 1935	1934, 1935, 2019
	Ties: 1942, 1956, 2007
Mar 1935–Feb 1940 60-Month	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	82nd Coolest	Coolest since: 1931	1905
	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	42nd Warmest	Warmest since: 1939	1935
	Ties: 1926, 1944, 2010, 2014, 2018

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