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 7. East Southeast

Average Temperature Rankings, May 2011

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2011 1-Month	63.4°F (17.4°C)	63.2°F (17.3°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 2008	1924
	63.4°F (17.4°C)	63.2°F (17.3°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 2010	2018
	Ties: 1957
Apr–May 2011 2-Month	59.7°F (15.4°C)	58.0°F (14.4°C)	1.7°F (1.0°C)	98th Coolest	Coolest since: 2009	1907
	59.7°F (15.4°C)	58.0°F (14.4°C)	1.7°F (1.0°C)	31st Warmest	Warmest since: 2010	1896
	Ties: 1944, 2014
Mar–May 2011 3-Month	54.4°F (12.4°C)	52.5°F (11.4°C)	1.9°F (1.0°C)	100th Coolest	Coolest since: 2008	1960
	54.4°F (12.4°C)	52.5°F (11.4°C)	1.9°F (1.0°C)	29th Warmest	Warmest since: 2010	2012
	Ties: 1918, 1929, 1974, 2022
Feb–May 2011 4-Month	49.2°F (9.6°C)	47.3°F (8.5°C)	1.9°F (1.1°C)	100th Coolest	Coolest since: 2008	1978
	49.2°F (9.6°C)	47.3°F (8.5°C)	1.9°F (1.1°C)	29th Warmest	Warmest since: 2010	2012
	Ties: 1990, 2006
Jan–May 2011 5-Month	44.3°F (6.8°C)	43.4°F (6.3°C)	0.9°F (0.5°C)	84th Coolest	Coolest since: 2010	1978
	44.3°F (6.8°C)	43.4°F (6.3°C)	0.9°F (0.5°C)	45th Warmest	Warmest since: 2010	2012
	Ties: 1898, 1908, 2009, 2010
Dec 2010–May 2011 6-Month	41.2°F (5.1°C)	41.4°F (5.2°C)	-0.2°F (-0.1°C)	52nd Coolest	Coolest since: 2008	1978
	41.2°F (5.1°C)	41.4°F (5.2°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 2010	2012
	Ties: 1907, 1945, 2003
Nov 2010–May 2011 7-Month	41.7°F (5.4°C)	41.5°F (5.3°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 2008	1978
	41.7°F (5.4°C)	41.5°F (5.3°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 2010	2012
	Ties: 1898, 1911
Oct 2010–May 2011 8-Month	43.7°F (6.5°C)	43.3°F (6.3°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 2009	1978
	43.7°F (6.5°C)	43.3°F (6.3°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 2010	2012
	Ties: 1909, 2009
Sep 2010–May 2011 9-Month	46.5°F (8.1°C)	46.0°F (7.8°C)	0.5°F (0.3°C)	76th Coolest	Coolest since: 2009	1978
	46.5°F (8.1°C)	46.0°F (7.8°C)	0.5°F (0.3°C)	52nd Warmest	Warmest since: 2010	2012
	Ties: 1896, 1925, 1928, 2009
Aug 2010–May 2011 10-Month	49.6°F (9.8°C)	48.8°F (9.3°C)	0.8°F (0.5°C)	88th Coolest	Coolest since: 2010	1978
	49.6°F (9.8°C)	48.8°F (9.3°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 2008	2012
	Ties: 1898, 1935, 1985, 2019
Jul 2010–May 2011 11-Month	52.2°F (11.2°C)	51.3°F (10.7°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 2010	1904
	52.2°F (11.2°C)	51.3°F (10.7°C)	0.9°F (0.5°C)	36th Warmest	Warmest since: 2008	2012
	Ties: 1919, 1941, 1950, 2018
Jun 2010–May 2011 12-Month	54.3°F (12.4°C)	53.1°F (11.7°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 2010	1904
	54.3°F (12.4°C)	53.1°F (11.7°C)	1.2°F (0.7°C)	28th Warmest	Warmest since: 2007	2012
	Ties: 1976, 2004, 2020
Dec 2009–May 2011 18-Month	50.2°F (10.1°C)	49.2°F (9.6°C)	1.0°F (0.5°C)	95th Coolest	Coolest since: 2010	1979
Dec 2009–May 2011 18-Month	50.2°F (10.1°C)	49.2°F (9.6°C)	1.0°F (0.5°C)	32nd Warmest	Warmest since: 2008	2017
Jun 2009–May 2011 24-Month	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	89th Coolest	Coolest since: 2010	1905, 1978
	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	38th Warmest	Warmest since: 2009	2017
	Ties: 1921, 1974, 2002, 2009, 2016
Jun 2008–May 2011 36-Month	53.6°F (12.0°C)	53.1°F (11.7°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 2010	1979
	53.6°F (12.0°C)	53.1°F (11.7°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 2009	2018
	Ties: 1915, 1942
Jun 2007–May 2011 48-Month	53.7°F (12.1°C)	53.0°F (11.7°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 2010	1980
	53.7°F (12.1°C)	53.0°F (11.7°C)	0.7°F (0.4°C)	38th Warmest	Warmest since: 2010	2019
	Ties: 1937, 1945, 2010
Jun 2006–May 2011 60-Month	53.8°F (12.1°C)	53.0°F (11.7°C)	0.8°F (0.4°C)	94th Coolest	Coolest since: 2005	1981
	53.8°F (12.1°C)	53.0°F (11.7°C)	0.8°F (0.4°C)	30th Warmest	Warmest since: 2010	2020
	Ties: 1942, 1945, 1989, 1993, 2005

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings