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 2015

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
February 2015 1-Month	18.4°F (-7.6°C)	28.1°F (-2.2°C)	-9.7°F (-5.4°C)	9th Coolest	Coolest since: 2014	1936
February 2015 1-Month	18.4°F (-7.6°C)	28.1°F (-2.2°C)	-9.7°F (-5.4°C)	120th Warmest	Warmest since: 2013	2017
Jan–Feb 2015 2-Month	21.5°F (-5.8°C)	25.9°F (-3.4°C)	-4.4°F (-2.4°C)	18th Coolest	Coolest since: 2014	1979
Jan–Feb 2015 2-Month	21.5°F (-5.8°C)	25.9°F (-3.4°C)	-4.4°F (-2.4°C)	111th Warmest	Warmest since: 2013	2017
Dec 2014–Feb 2015 3-Month	25.1°F (-3.8°C)	26.7°F (-2.9°C)	-1.6°F (-0.9°C)	33rd Coolest	Coolest since: 2014	1936
Dec 2014–Feb 2015 3-Month	25.1°F (-3.8°C)	26.7°F (-2.9°C)	-1.6°F (-0.9°C)	95th Warmest	Warmest since: 2013	1932
Nov 2014–Feb 2015 4-Month	27.2°F (-2.7°C)	30.1°F (-1.1°C)	-2.9°F (-1.6°C)	15th Coolest	Coolest since: 2014	1936
	27.2°F (-2.7°C)	30.1°F (-1.1°C)	-2.9°F (-1.6°C)	113th Warmest	Warmest since: 2013	1932
	Ties: 1951, 1982, 1986
Oct 2014–Feb 2015 5-Month	32.5°F (0.3°C)	35.0°F (1.7°C)	-2.5°F (-1.4°C)	17th Coolest	Coolest since: 2014	1977
Oct 2014–Feb 2015 5-Month	32.5°F (0.3°C)	35.0°F (1.7°C)	-2.5°F (-1.4°C)	111th Warmest	Warmest since: 2013	1932
Sep 2014–Feb 2015 6-Month	37.8°F (3.2°C)	40.2°F (4.6°C)	-2.4°F (-1.4°C)	15th Coolest	Coolest since: 2014	1977
	37.8°F (3.2°C)	40.2°F (4.6°C)	-2.4°F (-1.4°C)	113th Warmest	Warmest since: 2013	1932
	Ties: 1970
Aug 2014–Feb 2015 7-Month	42.9°F (6.1°C)	45.0°F (7.2°C)	-2.1°F (-1.1°C)	17th Coolest	Coolest since: 2014	1977
	42.9°F (6.1°C)	45.0°F (7.2°C)	-2.1°F (-1.1°C)	111th Warmest	Warmest since: 2013	1932
	Ties: 1970, 1986
Jul 2014–Feb 2015 8-Month	46.3°F (7.9°C)	48.8°F (9.3°C)	-2.5°F (-1.4°C)	12th Coolest	Coolest since: 2014	1977
	46.3°F (7.9°C)	48.8°F (9.3°C)	-2.5°F (-1.4°C)	116th Warmest	Warmest since: 2013	1932
	Ties: 1963
Jun 2014–Feb 2015 9-Month	49.3°F (9.6°C)	51.4°F (10.8°C)	-2.1°F (-1.2°C)	13th Coolest	Coolest since: 2014	1977
	49.3°F (9.6°C)	51.4°F (10.8°C)	-2.1°F (-1.2°C)	115th Warmest	Warmest since: 2013	1932
	Ties: 1970, 1986
May 2014–Feb 2015 10-Month	50.7°F (10.4°C)	52.5°F (11.4°C)	-1.8°F (-1.0°C)	15th Coolest	Coolest since: 2014	1918
May 2014–Feb 2015 10-Month	50.7°F (10.4°C)	52.5°F (11.4°C)	-1.8°F (-1.0°C)	113th Warmest	Warmest since: 2013	1932
Apr 2014–Feb 2015 11-Month	50.7°F (10.4°C)	52.3°F (11.3°C)	-1.6°F (-0.9°C)	17th Coolest	Coolest since: 2014	1918
Apr 2014–Feb 2015 11-Month	50.7°F (10.4°C)	52.3°F (11.3°C)	-1.6°F (-0.9°C)	111th Warmest	Warmest since: 2013	1932
Mar 2014–Feb 2015 12-Month	49.3°F (9.6°C)	51.3°F (10.7°C)	-2.0°F (-1.1°C)	10th Coolest	Coolest since: 2014	1918
	49.3°F (9.6°C)	51.3°F (10.7°C)	-2.0°F (-1.1°C)	118th Warmest	Warmest since: 2013	2017
	Ties: 1994
Sep 2013–Feb 2015 18-Month	45.0°F (7.2°C)	47.6°F (8.7°C)	-2.6°F (-1.5°C)	4th Coolest	Coolest since: 1979	1905
	45.0°F (7.2°C)	47.6°F (8.7°C)	-2.6°F (-1.5°C)	123rd Warmest	Warmest since: 2014	2017
	Ties: 1978
Mar 2013–Feb 2015 24-Month	48.8°F (9.3°C)	51.2°F (10.7°C)	-2.4°F (-1.4°C)	2nd Coolest	Coolest since: 1905	1905
Mar 2013–Feb 2015 24-Month	48.8°F (9.3°C)	51.2°F (10.7°C)	-2.4°F (-1.4°C)	125th Warmest	Warmest since: 2014	2017
Mar 2012–Feb 2015 36-Month	50.6°F (10.3°C)	51.2°F (10.7°C)	-0.6°F (-0.4°C)	24th Coolest	Coolest since: 1998	1979
	50.6°F (10.3°C)	51.2°F (10.7°C)	-0.6°F (-0.4°C)	102nd Warmest	Warmest since: 2014	2018
	Ties: 1912, 1952, 1961, 1972, 1998
Mar 2011–Feb 2015 48-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	71st Coolest	Coolest since: 2011	1905, 1980
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 2014	1934, 1935, 2019
	Ties: 1914, 1917, 1976, 1999, 2011, 2016
Mar 2010–Feb 2015 60-Month	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 2011	1905
	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	48th Warmest	Warmest since: 2014	1935
	Ties: 1945, 1988

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