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 1930

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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 1930 1-Month	64.3°F (17.9°C)	63.2°F (17.3°C)	1.1°F (0.6°C)	72nd Coolest	Coolest since: 1929	1924
	64.3°F (17.9°C)	63.2°F (17.3°C)	1.1°F (0.6°C)	57th Warmest	Warmest since: 1926	2018
	Ties: 1899
Apr–May 1930 2-Month	60.0°F (15.6°C)	58.0°F (14.4°C)	2.0°F (1.2°C)	103rd Coolest	Coolest since: 1929	1907
	60.0°F (15.6°C)	58.0°F (14.4°C)	2.0°F (1.2°C)	26th Warmest	Warmest since: 1922	1896
	Ties: 1912
Mar–May 1930 3-Month	53.3°F (11.8°C)	52.6°F (11.4°C)	0.7°F (0.4°C)	78th Coolest	Coolest since: 1928	1960
	53.3°F (11.8°C)	52.6°F (11.4°C)	0.7°F (0.4°C)	51st Warmest	Warmest since: 1929	2012
	Ties: 1927, 1995, 1999
Feb–May 1930 4-Month	50.1°F (10.1°C)	47.3°F (8.5°C)	2.8°F (1.6°C)	115th Coolest	Coolest since: 1929	1978
	50.1°F (10.1°C)	47.3°F (8.5°C)	2.8°F (1.6°C)	14th Warmest	Warmest since: 1925	2012
	Ties: 1925
Jan–May 1930 5-Month	44.4°F (6.9°C)	43.4°F (6.3°C)	1.0°F (0.6°C)	87th Coolest	Coolest since: 1929	1978
	44.4°F (6.9°C)	43.4°F (6.3°C)	1.0°F (0.6°C)	42nd Warmest	Warmest since: 1927	2012
	Ties: 1942, 1945
Dec 1929–May 1930 6-Month	42.2°F (5.7°C)	41.4°F (5.2°C)	0.8°F (0.5°C)	77th Coolest	Coolest since: 1929	1978
	42.2°F (5.7°C)	41.4°F (5.2°C)	0.8°F (0.5°C)	51st Warmest	Warmest since: 1927	2012
	Ties: 2021
Nov 1929–May 1930 7-Month	41.5°F (5.3°C)	41.5°F (5.3°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1929	1978
	41.5°F (5.3°C)	41.5°F (5.3°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1927	2012
	Ties: 1913, 1959, 1964, 1966
Oct 1929–May 1930 8-Month	43.1°F (6.2°C)	43.3°F (6.3°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1926	1978
	43.1°F (6.2°C)	43.3°F (6.3°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1929	2012
	Ties: 2001
Sep 1929–May 1930 9-Month	45.6°F (7.6°C)	46.0°F (7.8°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 1929	1978
	45.6°F (7.6°C)	46.0°F (7.8°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1928	2012
	Ties: 1961, 1975, 2001
Aug 1929–May 1930 10-Month	48.3°F (9.1°C)	48.8°F (9.3°C)	-0.5°F (-0.2°C)	34th Coolest	Coolest since: 1926	1978
	48.3°F (9.1°C)	48.8°F (9.3°C)	-0.5°F (-0.2°C)	94th Warmest	Warmest since: 1929	2012
	Ties: 1916, 1947, 1971, 1975
Jul 1929–May 1930 11-Month	50.8°F (10.4°C)	51.3°F (10.7°C)	-0.5°F (-0.3°C)	36th Coolest	Coolest since: 1926	1904
	50.8°F (10.4°C)	51.3°F (10.7°C)	-0.5°F (-0.3°C)	92nd Warmest	Warmest since: 1929	2012
	Ties: 1917, 1947, 1966, 2001
Jun 1929–May 1930 12-Month	52.4°F (11.3°C)	53.1°F (11.7°C)	-0.7°F (-0.4°C)	33rd Coolest	Coolest since: 1929	1904
	52.4°F (11.3°C)	53.1°F (11.7°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1928	2012
	Ties: 1902, 1908, 1910, 1928, 1971, 1975
Dec 1928–May 1930 18-Month	48.6°F (9.2°C)	49.2°F (9.6°C)	-0.6°F (-0.4°C)	38th Coolest	Coolest since: 1929	1979
	48.6°F (9.2°C)	49.2°F (9.6°C)	-0.6°F (-0.4°C)	89th Warmest	Warmest since: 1928	2017
	Ties: 1903, 1964
Jun 1928–May 1930 24-Month	52.3°F (11.3°C)	53.1°F (11.7°C)	-0.8°F (-0.4°C)	22nd Coolest	Coolest since: 1919	1905, 1978
	52.3°F (11.3°C)	53.1°F (11.7°C)	-0.8°F (-0.4°C)	105th Warmest	Warmest since: 1929	2017
	Ties: 1899, 1960, 1961, 1963
Jun 1927–May 1930 36-Month	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	21st Coolest	Coolest since: 1926	1979
	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	105th Warmest	Warmest since: 1929	2018
	Ties: 1901, 1926, 1961, 1963, 1977, 1982, 1984
Jun 1926–May 1930 48-Month	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	27th Coolest	Coolest since: 1929	1980
	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	98th Warmest	Warmest since: 1928	2019
	Ties: 1926, 1927, 1960, 1964, 1983, 1996
Jun 1925–May 1930 60-Month	52.5°F (11.4°C)	53.0°F (11.7°C)	-0.5°F (-0.3°C)	19th Coolest	Coolest since: 1920	1981
	52.5°F (11.4°C)	53.0°F (11.7°C)	-0.5°F (-0.3°C)	105th Warmest	Warmest since: 1929	2020
	Ties: 1901, 1909, 1912, 1913, 1918, 1964, 1969, 1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings