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 1931

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1931 1-Month	59.8°F (15.4°C)	63.2°F (17.3°C)	-3.4°F (-1.9°C)	17th Coolest	Coolest since: 1925	1924
	59.8°F (15.4°C)	63.2°F (17.3°C)	-3.4°F (-1.9°C)	112th Warmest	Warmest since: 1930	2018
	Ties: 1960, 1989
Apr–May 1931 2-Month	56.6°F (13.7°C)	58.0°F (14.4°C)	-1.4°F (-0.7°C)	31st Coolest	Coolest since: 1928	1907
Apr–May 1931 2-Month	56.6°F (13.7°C)	58.0°F (14.4°C)	-1.4°F (-0.7°C)	98th Warmest	Warmest since: 1930	1896
Mar–May 1931 3-Month	50.0°F (10.0°C)	52.6°F (11.4°C)	-2.6°F (-1.4°C)	8th Coolest	Coolest since: 1926	1960
	50.0°F (10.0°C)	52.6°F (11.4°C)	-2.6°F (-1.4°C)	121st Warmest	Warmest since: 1930	2012
	Ties: 1940
Feb–May 1931 4-Month	46.9°F (8.3°C)	47.3°F (8.5°C)	-0.4°F (-0.2°C)	52nd Coolest	Coolest since: 1928	1978
	46.9°F (8.3°C)	47.3°F (8.5°C)	-0.4°F (-0.2°C)	77th Warmest	Warmest since: 1930	2012
	Ties: 1963, 1994
Jan–May 1931 5-Month	44.1°F (6.7°C)	43.4°F (6.3°C)	0.7°F (0.4°C)	78th Coolest	Coolest since: 1929	1978
	44.1°F (6.7°C)	43.4°F (6.3°C)	0.7°F (0.4°C)	51st Warmest	Warmest since: 1930	2012
	Ties: 1950, 1967, 1995, 2018
Dec 1930–May 1931 6-Month	42.0°F (5.6°C)	41.4°F (5.2°C)	0.6°F (0.4°C)	72nd Coolest	Coolest since: 1929	1978
	42.0°F (5.6°C)	41.4°F (5.2°C)	0.6°F (0.4°C)	56th Warmest	Warmest since: 1930	2012
	Ties: 1935, 1986, 2009
Nov 1930–May 1931 7-Month	42.0°F (5.6°C)	41.5°F (5.3°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1930	1978
	42.0°F (5.6°C)	41.5°F (5.3°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1925	2012
	Ties: 1908, 1965
Oct 1930–May 1931 8-Month	43.4°F (6.3°C)	43.3°F (6.3°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 1930	1978
	43.4°F (6.3°C)	43.3°F (6.3°C)	0.1°F (0.0°C)	70th Warmest	Warmest since: 1928	2012
	Ties: 1923, 1944, 1945, 1947, 1988
Sep 1930–May 1931 9-Month	46.3°F (7.9°C)	46.0°F (7.8°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1930	1978
	46.3°F (7.9°C)	46.0°F (7.8°C)	0.3°F (0.1°C)	58th Warmest	Warmest since: 1928	2012
	Ties: 1911, 1927, 1933, 1948
Aug 1930–May 1931 10-Month	49.3°F (9.6°C)	48.8°F (9.3°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1930	1978
	49.3°F (9.6°C)	48.8°F (9.3°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1927	2012
	Ties: 1896, 1925, 1927, 1981, 1983, 1990
Jul 1930–May 1931 11-Month	52.1°F (11.2°C)	51.3°F (10.7°C)	0.8°F (0.5°C)	87th Coolest	Coolest since: 1930	1904
	52.1°F (11.2°C)	51.3°F (10.7°C)	0.8°F (0.5°C)	41st Warmest	Warmest since: 1922	2012
	Ties: 1981, 2013
Jun 1930–May 1931 12-Month	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	83rd Coolest	Coolest since: 1930	1904
	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	45th Warmest	Warmest since: 1922	2012
	Ties: 1915, 1981, 2003
Dec 1929–May 1931 18-Month	49.9°F (9.9°C)	49.2°F (9.6°C)	0.7°F (0.3°C)	88th Coolest	Coolest since: 1930	1979
	49.9°F (9.9°C)	49.2°F (9.6°C)	0.7°F (0.3°C)	39th Warmest	Warmest since: 1923	2017
	Ties: 1949, 1956, 1957, 2001, 2004
Jun 1929–May 1931 24-Month	53.1°F (11.7°C)	53.1°F (11.7°C)	0.0°F (0.0°C)	60th Coolest	Coolest since: 1930	1905, 1978
	53.1°F (11.7°C)	53.1°F (11.7°C)	0.0°F (0.0°C)	67th Warmest	Warmest since: 1923	2017
	Ties: 1901, 1920, 1985
Jun 1928–May 1931 36-Month	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 1930	1979
	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1927	2018
	Ties: 1914, 1925, 1927, 1959, 1983, 1995, 2016
Jun 1927–May 1931 48-Month	52.7°F (11.5°C)	53.0°F (11.7°C)	-0.3°F (-0.2°C)	34th Coolest	Coolest since: 1930	1980
	52.7°F (11.5°C)	53.0°F (11.7°C)	-0.3°F (-0.2°C)	91st Warmest	Warmest since: 1928	2019
	Ties: 1901, 1910, 1928, 1966, 1972, 1973, 1984, 1985, 1997
Jun 1926–May 1931 60-Month	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1930	1981
	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1927	2020
	Ties: 1916, 1927, 1967

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings