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 2010

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
February 2010 1-Month	22.6°F (-5.2°C)	28.1°F (-2.2°C)	-5.5°F (-3.0°C)	24th Coolest	Coolest since: 2007	1936
February 2010 1-Month	22.6°F (-5.2°C)	28.1°F (-2.2°C)	-5.5°F (-3.0°C)	105th Warmest	Warmest since: 2009	2017
Jan–Feb 2010 2-Month	20.8°F (-6.2°C)	26.0°F (-3.3°C)	-5.2°F (-2.9°C)	17th Coolest	Coolest since: 1985	1979
Jan–Feb 2010 2-Month	20.8°F (-6.2°C)	26.0°F (-3.3°C)	-5.2°F (-2.9°C)	112th Warmest	Warmest since: 2009	2017
Dec 2009–Feb 2010 3-Month	23.0°F (-5.0°C)	26.8°F (-2.9°C)	-3.8°F (-2.1°C)	17th Coolest	Coolest since: 2001	1936
	23.0°F (-5.0°C)	26.8°F (-2.9°C)	-3.8°F (-2.1°C)	111th Warmest	Warmest since: 2009	1932
	Ties: 1929
Nov 2009–Feb 2010 4-Month	28.9°F (-1.7°C)	30.1°F (-1.1°C)	-1.2°F (-0.6°C)	33rd Coolest	Coolest since: 2001	1936
	28.9°F (-1.7°C)	30.1°F (-1.1°C)	-1.2°F (-0.6°C)	95th Warmest	Warmest since: 2009	1932
	Ties: 1945
Oct 2009–Feb 2010 5-Month	32.9°F (0.5°C)	35.0°F (1.7°C)	-2.1°F (-1.2°C)	20th Coolest	Coolest since: 2001	1977
Oct 2009–Feb 2010 5-Month	32.9°F (0.5°C)	35.0°F (1.7°C)	-2.1°F (-1.2°C)	108th Warmest	Warmest since: 2009	1932
Sep 2009–Feb 2010 6-Month	38.2°F (3.4°C)	40.1°F (4.5°C)	-1.9°F (-1.1°C)	19th Coolest	Coolest since: 2001	1977
	38.2°F (3.4°C)	40.1°F (4.5°C)	-1.9°F (-1.1°C)	109th Warmest	Warmest since: 2009	1932
	Ties: 2001
Aug 2009–Feb 2010 7-Month	42.8°F (6.0°C)	44.9°F (7.2°C)	-2.1°F (-1.2°C)	16th Coolest	Coolest since: 1994	1977
Aug 2009–Feb 2010 7-Month	42.8°F (6.0°C)	44.9°F (7.2°C)	-2.1°F (-1.2°C)	112th Warmest	Warmest since: 2009	1932
Jul 2009–Feb 2010 8-Month	46.2°F (7.9°C)	48.8°F (9.3°C)	-2.6°F (-1.4°C)	11th Coolest	Coolest since: 1979	1977
Jul 2009–Feb 2010 8-Month	46.2°F (7.9°C)	48.8°F (9.3°C)	-2.6°F (-1.4°C)	117th Warmest	Warmest since: 2009	1932
Jun 2009–Feb 2010 9-Month	49.1°F (9.5°C)	51.3°F (10.7°C)	-2.2°F (-1.2°C)	10th Coolest	Coolest since: 1979	1977
	49.1°F (9.5°C)	51.3°F (10.7°C)	-2.2°F (-1.2°C)	118th Warmest	Warmest since: 2009	1932
	Ties: 1968
May 2009–Feb 2010 10-Month	50.5°F (10.3°C)	52.5°F (11.4°C)	-2.0°F (-1.1°C)	12th Coolest	Coolest since: 1982	1918
May 2009–Feb 2010 10-Month	50.5°F (10.3°C)	52.5°F (11.4°C)	-2.0°F (-1.1°C)	116th Warmest	Warmest since: 2009	1932
Apr 2009–Feb 2010 11-Month	50.5°F (10.3°C)	52.4°F (11.3°C)	-1.9°F (-1.0°C)	11th Coolest	Coolest since: 1979	1918
	50.5°F (10.3°C)	52.4°F (11.3°C)	-1.9°F (-1.0°C)	117th Warmest	Warmest since: 2009	1932
	Ties: 1929, 1962
Mar 2009–Feb 2010 12-Month	49.8°F (9.9°C)	51.3°F (10.7°C)	-1.5°F (-0.8°C)	18th Coolest	Coolest since: 1997	1918
	49.8°F (9.9°C)	51.3°F (10.7°C)	-1.5°F (-0.8°C)	110th Warmest	Warmest since: 2009	2017
	Ties: 1910, 1963
Sep 2008–Feb 2010 18-Month	46.3°F (7.9°C)	47.5°F (8.6°C)	-1.2°F (-0.7°C)	17th Coolest	Coolest since: 1997	1905
	46.3°F (7.9°C)	47.5°F (8.6°C)	-1.2°F (-0.7°C)	110th Warmest	Warmest since: 2009	2017
	Ties: 1900, 1952, 1968, 1977
Mar 2008–Feb 2010 24-Month	50.0°F (10.0°C)	51.3°F (10.7°C)	-1.3°F (-0.7°C)	13th Coolest	Coolest since: 1997	1905
	50.0°F (10.0°C)	51.3°F (10.7°C)	-1.3°F (-0.7°C)	114th Warmest	Warmest since: 2009	2017
	Ties: 1906
Mar 2007–Feb 2010 36-Month	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1998	1979
	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	85th Warmest	Warmest since: 2009	2018
	Ties: 1903, 1913, 1946, 1982, 2011
Mar 2006–Feb 2010 48-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	50th Coolest	Coolest since: 1998	1905, 1980
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 2009	1934, 1935, 2019
	Ties: 1926, 1954, 1960, 1966, 1994
Mar 2005–Feb 2010 60-Month	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	82nd Coolest	Coolest since: 1999	1905
	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	42nd Warmest	Warmest since: 2009	1935
	Ties: 1926, 1940, 1944, 2014, 2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings