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, April 2010

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2010 1-Month	59.0°F (15.0°C)	51.3°F (10.7°C)	7.7°F (4.3°C)	128th Coolest	Coolest since: 2009	2018
April 2010 1-Month	59.0°F (15.0°C)	51.3°F (10.7°C)	7.7°F (4.3°C)	1st Warmest	Warmest to Date	2010
Mar–Apr 2010 2-Month	51.0°F (10.6°C)	45.2°F (7.3°C)	5.8°F (3.3°C)	124th Coolest	Coolest since: 2009	1960
Mar–Apr 2010 2-Month	51.0°F (10.6°C)	45.2°F (7.3°C)	5.8°F (3.3°C)	5th Warmest	Warmest since: 1977	2012
Feb–Apr 2010 3-Month	41.5°F (5.3°C)	39.5°F (4.2°C)	2.0°F (1.1°C)	100th Coolest	Coolest since: 2009	1899
	41.5°F (5.3°C)	39.5°F (4.2°C)	2.0°F (1.1°C)	29th Warmest	Warmest since: 2009	2012
	Ties: 2009
Jan–Apr 2010 4-Month	35.9°F (2.2°C)	35.6°F (2.0°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 2008	1912
	35.9°F (2.2°C)	35.6°F (2.0°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 2009	2012
	Ties: 1957
Dec 2009–Apr 2010 5-Month	34.2°F (1.2°C)	34.2°F (1.2°C)	0.0°F (0.0°C)	62nd Coolest	Coolest since: 2009	1978
	34.2°F (1.2°C)	34.2°F (1.2°C)	0.0°F (0.0°C)	66th Warmest	Warmest since: 2007	2012
	Ties: 1988
Nov 2009–Apr 2010 6-Month	36.3°F (2.4°C)	35.2°F (1.8°C)	1.1°F (0.6°C)	87th Coolest	Coolest since: 2009	1904, 1912, 1978
Nov 2009–Apr 2010 6-Month	36.3°F (2.4°C)	35.2°F (1.8°C)	1.1°F (0.6°C)	41st Warmest	Warmest since: 2007	2012
Oct 2009–Apr 2010 7-Month	38.0°F (3.3°C)	37.9°F (3.3°C)	0.1°F (0.0°C)	61st Coolest	Coolest since: 2009	1912
	38.0°F (3.3°C)	37.9°F (3.3°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 2008	2012
	Ties: 1896, 1900, 1911, 1913, 2008
Sep 2009–Apr 2010 8-Month	41.4°F (5.2°C)	41.4°F (5.2°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 2009	1904, 1978
	41.4°F (5.2°C)	41.4°F (5.2°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 2008	2017
	Ties: 1901, 1933, 2011
Aug 2009–Apr 2010 9-Month	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 2009	1978
	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 2008	2017
	Ties: 1930, 1984
Jul 2009–Apr 2010 10-Month	47.2°F (8.4°C)	48.1°F (8.9°C)	-0.9°F (-0.5°C)	31st Coolest	Coolest since: 2001	1904
	47.2°F (8.4°C)	48.1°F (8.9°C)	-0.9°F (-0.5°C)	97th Warmest	Warmest since: 2009	2012
	Ties: 1902
Jun 2009–Apr 2010 11-Month	49.5°F (9.7°C)	50.3°F (10.2°C)	-0.8°F (-0.5°C)	35th Coolest	Coolest since: 2001	1904
	49.5°F (9.7°C)	50.3°F (10.2°C)	-0.8°F (-0.5°C)	93rd Warmest	Warmest since: 2009	2017
	Ties: 1897, 1958
May 2009–Apr 2010 12-Month	50.6°F (10.3°C)	51.3°F (10.7°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 2009	1918
	50.6°F (10.3°C)	51.3°F (10.7°C)	-0.7°F (-0.4°C)	94th Warmest	Warmest since: 2008	2017
	Ties: 1902, 1944, 1952, 1960, 1980, 1986
Nov 2008–Apr 2010 18-Month	45.4°F (7.4°C)	45.9°F (7.7°C)	-0.5°F (-0.3°C)	40th Coolest	Coolest since: 2009	1979
	45.4°F (7.4°C)	45.9°F (7.7°C)	-0.5°F (-0.3°C)	87th Warmest	Warmest since: 2008	2017
	Ties: 1937, 1983, 1993
May 2008–Apr 2010 24-Month	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1997	1905
	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	99th Warmest	Warmest since: 2009	2017
	Ties: 1927, 1930, 1951, 1983
May 2007–Apr 2010 36-Month	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1998	1979
	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 2009	2018
	Ties: 1903, 1910, 1911, 1959
May 2006–Apr 2010 48-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1998	1980
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	66th Warmest	Warmest since: 2009	1935
	Ties: 1931, 1947, 1949, 1986, 2011
May 2005–Apr 2010 60-Month	51.9°F (11.1°C)	51.3°F (10.7°C)	0.6°F (0.4°C)	91st Coolest	Coolest since: 2005	1906, 1979
	51.9°F (11.1°C)	51.3°F (10.7°C)	0.6°F (0.4°C)	33rd Warmest	Warmest since: 2009	1935
	Ties: 1937, 1945, 1989, 2000, 2005, 2016, 2017

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings