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 8. Southwest

Average Temperature Rankings, April 2008

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2008 1-Month	53.8°F (12.1°C)	55.3°F (12.9°C)	-1.5°F (-0.8°C)	38th Coolest	Coolest since: 2007	1907
April 2008 1-Month	53.8°F (12.1°C)	55.3°F (12.9°C)	-1.5°F (-0.8°C)	91st Warmest	Warmest since: 2006	1896
Mar–Apr 2008 2-Month	49.2°F (9.6°C)	50.0°F (10.0°C)	-0.8°F (-0.4°C)	50th Coolest	Coolest since: 1996	1926, 1960
	49.2°F (9.6°C)	50.0°F (10.0°C)	-0.8°F (-0.4°C)	79th Warmest	Warmest since: 2007	2012
	Ties: 1898, 1941, 1956
Feb–Apr 2008 3-Month	43.8°F (6.6°C)	44.9°F (7.2°C)	-1.1°F (-0.6°C)	46th Coolest	Coolest since: 1996	1899
Feb–Apr 2008 3-Month	43.8°F (6.6°C)	44.9°F (7.2°C)	-1.1°F (-0.6°C)	83rd Warmest	Warmest since: 2007	2012
Jan–Apr 2008 4-Month	40.9°F (4.9°C)	41.4°F (5.2°C)	-0.5°F (-0.3°C)	48th Coolest	Coolest since: 2003	1978
	40.9°F (4.9°C)	41.4°F (5.2°C)	-0.5°F (-0.3°C)	81st Warmest	Warmest since: 2007	2012
	Ties: 1928, 1975
Dec 2007–Apr 2008 5-Month	40.1°F (4.5°C)	40.1°F (4.5°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 2003	1978
	40.1°F (4.5°C)	40.1°F (4.5°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 2007	2012
	Ties: 1944, 1966
Nov 2007–Apr 2008 6-Month	41.0°F (5.0°C)	40.8°F (4.9°C)	0.2°F (0.1°C)	56th Coolest	Coolest since: 2003	1912
	41.0°F (5.0°C)	40.8°F (4.9°C)	0.2°F (0.1°C)	72nd Warmest	Warmest since: 2007	2012
	Ties: 1898, 1930, 1943, 1952, 1973, 1985
Oct 2007–Apr 2008 7-Month	44.0°F (6.7°C)	43.2°F (6.2°C)	0.8°F (0.5°C)	84th Coolest	Coolest since: 2003	1899, 1978
	44.0°F (6.7°C)	43.2°F (6.2°C)	0.8°F (0.5°C)	44th Warmest	Warmest since: 2007	2012
	Ties: 1964, 1981, 1987
Sep 2007–Apr 2008 8-Month	47.6°F (8.7°C)	46.5°F (8.1°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 2007	1918
	47.6°F (8.7°C)	46.5°F (8.1°C)	1.1°F (0.6°C)	31st Warmest	Warmest since: 2006	2017
	Ties: 1909, 1919, 1934, 1938, 1986
Aug 2007–Apr 2008 9-Month	51.5°F (10.8°C)	49.8°F (9.9°C)	1.7°F (0.9°C)	108th Coolest	Coolest since: 2007	1918
	51.5°F (10.8°C)	49.8°F (9.9°C)	1.7°F (0.9°C)	20th Warmest	Warmest since: 2006	2017
	Ties: 1946, 1991, 2005
Jul 2007–Apr 2008 10-Month	53.9°F (12.2°C)	52.5°F (11.4°C)	1.4°F (0.8°C)	105th Coolest	Coolest since: 2007	1918
	53.9°F (12.2°C)	52.5°F (11.4°C)	1.4°F (0.8°C)	23rd Warmest	Warmest since: 2006	2012
	Ties: 1946, 1972, 2005
Jun 2007–Apr 2008 11-Month	55.8°F (13.2°C)	54.5°F (12.5°C)	1.3°F (0.7°C)	103rd Coolest	Coolest since: 2007	1918
	55.8°F (13.2°C)	54.5°F (12.5°C)	1.3°F (0.7°C)	25th Warmest	Warmest since: 2006	2012, 2017
	Ties: 1934, 1937, 2011
May 2007–Apr 2008 12-Month	57.0°F (13.9°C)	55.4°F (13.0°C)	1.6°F (0.9°C)	112th Coolest	Coolest since: 2007	1918
May 2007–Apr 2008 12-Month	57.0°F (13.9°C)	55.4°F (13.0°C)	1.6°F (0.9°C)	16th Warmest	Warmest since: 2006	2012, 2017
Nov 2006–Apr 2008 18-Month	52.4°F (11.3°C)	50.5°F (10.3°C)	1.9°F (1.0°C)	114th Coolest	Coolest since: 2007	1979
	52.4°F (11.3°C)	50.5°F (10.3°C)	1.9°F (1.0°C)	13th Warmest	Warmest since: 2006	2017
	Ties: 2018
May 2006–Apr 2008 24-Month	56.6°F (13.7°C)	55.3°F (12.9°C)	1.3°F (0.8°C)	109th Coolest	Coolest since: 2005	1978
	56.6°F (13.7°C)	55.3°F (12.9°C)	1.3°F (0.8°C)	18th Warmest	Warmest since: 2007	2017
	Ties: 1923, 1938, 2021
May 2005–Apr 2008 36-Month	57.1°F (13.9°C)	55.4°F (13.0°C)	1.7°F (0.9°C)	119th Coolest	Coolest since: 2007	1979
	57.1°F (13.9°C)	55.4°F (13.0°C)	1.7°F (0.9°C)	7th Warmest	Warmest since: 2000	2018
	Ties: 1934, 2012
May 2004–Apr 2008 48-Month	57.0°F (13.9°C)	55.4°F (13.0°C)	1.6°F (0.9°C)	121st Coolest	Coolest since: 2007	1980
	57.0°F (13.9°C)	55.4°F (13.0°C)	1.6°F (0.9°C)	4th Warmest	Warmest since: 2002	2019
	Ties: 2002, 2013, 2018
May 2003–Apr 2008 60-Month	56.8°F (13.8°C)	55.3°F (12.9°C)	1.5°F (0.9°C)	119th Coolest	Coolest since: 2007	1980, 1981
	56.8°F (13.8°C)	55.3°F (12.9°C)	1.5°F (0.9°C)	5th Warmest	Warmest since: 1957	2020
	Ties: 1957

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings