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 2003

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2003 1-Month	52.7°F (11.5°C)	51.3°F (10.7°C)	1.4°F (0.8°C)	88th Coolest	Coolest since: 2002	2018
	52.7°F (11.5°C)	51.3°F (10.7°C)	1.4°F (0.8°C)	41st Warmest	Warmest since: 2001	2010
	Ties: 1910, 1934
Mar–Apr 2003 2-Month	46.4°F (8.0°C)	45.2°F (7.3°C)	1.2°F (0.7°C)	85th Coolest	Coolest since: 2002	1960
	46.4°F (8.0°C)	45.2°F (7.3°C)	1.2°F (0.7°C)	44th Warmest	Warmest since: 2001	2012
	Ties: 1935, 2011, 2015
Feb–Apr 2003 3-Month	39.3°F (4.1°C)	39.5°F (4.2°C)	-0.2°F (-0.1°C)	61st Coolest	Coolest since: 1996	1899
	39.3°F (4.1°C)	39.5°F (4.2°C)	-0.2°F (-0.1°C)	68th Warmest	Warmest since: 2002	2012
	Ties: 1907, 1964, 1984
Jan–Apr 2003 4-Month	35.0°F (1.7°C)	35.6°F (2.0°C)	-0.6°F (-0.3°C)	53rd Coolest	Coolest since: 1996	1912
Jan–Apr 2003 4-Month	35.0°F (1.7°C)	35.6°F (2.0°C)	-0.6°F (-0.3°C)	76th Warmest	Warmest since: 2002	2012
Dec 2002–Apr 2003 5-Month	34.4°F (1.3°C)	34.2°F (1.2°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 2001	1978
	34.4°F (1.3°C)	34.2°F (1.2°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 2002	2012
	Ties: 1924, 2013
Nov 2002–Apr 2003 6-Month	35.1°F (1.7°C)	35.2°F (1.8°C)	-0.1°F (-0.1°C)	58th Coolest	Coolest since: 2001	1904, 1912, 1978
Nov 2002–Apr 2003 6-Month	35.1°F (1.7°C)	35.2°F (1.8°C)	-0.1°F (-0.1°C)	70th Warmest	Warmest since: 2002	2012
Oct 2002–Apr 2003 7-Month	37.3°F (2.9°C)	37.9°F (3.3°C)	-0.6°F (-0.4°C)	39th Coolest	Coolest since: 2001	1912
	37.3°F (2.9°C)	37.9°F (3.3°C)	-0.6°F (-0.4°C)	89th Warmest	Warmest since: 2002	2012
	Ties: 1897, 1971, 2018
Sep 2002–Apr 2003 8-Month	41.2°F (5.1°C)	41.4°F (5.2°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 2001	1904, 1978
	41.2°F (5.1°C)	41.4°F (5.2°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 2002	2017
	Ties: 1900, 1924, 1930, 1986, 2013, 2018
Aug 2002–Apr 2003 9-Month	44.9°F (7.2°C)	45.0°F (7.2°C)	-0.1°F (0.0°C)	55th Coolest	Coolest since: 2001	1978
	44.9°F (7.2°C)	45.0°F (7.2°C)	-0.1°F (0.0°C)	73rd Warmest	Warmest since: 2002	2017
	Ties: 1906
Jul 2002–Apr 2003 10-Month	48.2°F (9.0°C)	48.2°F (9.0°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 2001	1904
	48.2°F (9.0°C)	48.2°F (9.0°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 2002	2012
	Ties: 1933, 1961
Jun 2002–Apr 2003 11-Month	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 2001	1904
	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 2002	2017
	Ties: 1909, 1933, 2013
May 2002–Apr 2003 12-Month	51.2°F (10.7°C)	51.3°F (10.7°C)	-0.1°F (0.0°C)	59th Coolest	Coolest since: 2001	1918
	51.2°F (10.7°C)	51.3°F (10.7°C)	-0.1°F (0.0°C)	69th Warmest	Warmest since: 2002	2017
	Ties: 1900, 1910, 1946
Nov 2001–Apr 2003 18-Month	47.5°F (8.6°C)	45.9°F (7.7°C)	1.6°F (0.9°C)	110th Coolest	Coolest since: 2002	1979
	47.5°F (8.6°C)	45.9°F (7.7°C)	1.6°F (0.9°C)	17th Warmest	Warmest since: 2000	2017
	Ties: 1988, 2005, 2018
May 2001–Apr 2003 24-Month	52.4°F (11.3°C)	51.3°F (10.7°C)	1.1°F (0.6°C)	105th Coolest	Coolest since: 2002	1905
May 2001–Apr 2003 24-Month	52.4°F (11.3°C)	51.3°F (10.7°C)	1.1°F (0.6°C)	22nd Warmest	Warmest since: 2000	2017
May 2000–Apr 2003 36-Month	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	83rd Coolest	Coolest since: 1998	1979
	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	43rd Warmest	Warmest since: 2002	2018
	Ties: 1936, 1937, 1944, 1950, 1976, 1987
May 1999–Apr 2003 48-Month	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	101st Coolest	Coolest since: 1999	1980
	52.2°F (11.2°C)	51.2°F (10.7°C)	1.0°F (0.5°C)	24th Warmest	Warmest since: 2002	1935
	Ties: 1923, 1932, 2009
May 1998–Apr 2003 60-Month	52.5°F (11.4°C)	51.2°F (10.7°C)	1.3°F (0.7°C)	119th Coolest	Coolest since: 2001	1906, 1979
	52.5°F (11.4°C)	51.2°F (10.7°C)	1.3°F (0.7°C)	5th Warmest	Warmest since: 2002	1935
	Ties: 1934, 1957, 2008

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings