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 5. East

Average Temperature Rankings, May 1933

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1933 1-Month	62.7°F (17.1°C)	61.0°F (16.1°C)	1.7°F (1.0°C)	83rd Coolest	Coolest since: 1932	1907
	62.7°F (17.1°C)	61.0°F (16.1°C)	1.7°F (1.0°C)	46th Warmest	Warmest since: 1922	2018
	Ties: 1956, 2014
Apr–May 1933 2-Month	56.2°F (13.4°C)	55.5°F (13.1°C)	0.7°F (0.3°C)	77th Coolest	Coolest since: 1932	1907
	56.2°F (13.4°C)	55.5°F (13.1°C)	0.7°F (0.3°C)	52nd Warmest	Warmest since: 1930	1977
	Ties: 1958, 1963, 1981, 1982, 2011, 2016
Mar–May 1933 3-Month	50.0°F (10.0°C)	49.7°F (9.8°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1932	1960
	50.0°F (10.0°C)	49.7°F (9.8°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1930	2012
	Ties: 1968, 2020
Feb–May 1933 4-Month	44.0°F (6.7°C)	44.2°F (6.8°C)	-0.2°F (-0.1°C)	56th Coolest	Coolest since: 1929	1978
	44.0°F (6.7°C)	44.2°F (6.8°C)	-0.2°F (-0.1°C)	73rd Warmest	Warmest since: 1932	2012
	Ties: 1929, 1997
Jan–May 1933 5-Month	42.3°F (5.7°C)	40.1°F (4.5°C)	2.2°F (1.2°C)	108th Coolest	Coolest since: 1931	1978
	42.3°F (5.7°C)	40.1°F (4.5°C)	2.2°F (1.2°C)	21st Warmest	Warmest since: 1932	2012
	Ties: 1953, 1955, 1973, 1976, 2002, 2020
Dec 1932–May 1933 6-Month	39.8°F (4.3°C)	38.2°F (3.4°C)	1.6°F (0.9°C)	98th Coolest	Coolest since: 1931	1978
	39.8°F (4.3°C)	38.2°F (3.4°C)	1.6°F (0.9°C)	30th Warmest	Warmest since: 1932	2012
	Ties: 1946, 1985, 1995
Nov 1932–May 1933 7-Month	38.9°F (3.8°C)	38.4°F (3.6°C)	0.5°F (0.2°C)	77th Coolest	Coolest since: 1930	1904
	38.9°F (3.8°C)	38.4°F (3.6°C)	0.5°F (0.2°C)	51st Warmest	Warmest since: 1932	2012
	Ties: 1957, 2018
Oct 1932–May 1933 8-Month	40.6°F (4.8°C)	40.2°F (4.6°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1930	1904
	40.6°F (4.8°C)	40.2°F (4.6°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1932	2012
	Ties: 1973
Sep 1932–May 1933 9-Month	43.2°F (6.2°C)	43.0°F (6.1°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1930	1904
	43.2°F (6.2°C)	43.0°F (6.1°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1932	2012
	Ties: 1950
Aug 1932–May 1933 10-Month	46.2°F (7.9°C)	45.9°F (7.7°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1930	1904
	46.2°F (7.9°C)	45.9°F (7.7°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1932	2012
	Ties: 1928, 1950
Jul 1932–May 1933 11-Month	48.8°F (9.3°C)	48.4°F (9.1°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1930	1904
	48.8°F (9.3°C)	48.4°F (9.1°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1932	2012
	Ties: 1909, 2003
Jun 1932–May 1933 12-Month	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	75th Coolest	Coolest since: 1930	1904
	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	53rd Warmest	Warmest since: 1932	2012
	Ties: 1896, 1945, 1964, 1990
Dec 1931–May 1933 18-Month	47.7°F (8.7°C)	46.2°F (7.9°C)	1.5°F (0.8°C)	104th Coolest	Coolest since: 1931	1905
	47.7°F (8.7°C)	46.2°F (7.9°C)	1.5°F (0.8°C)	23rd Warmest	Warmest since: 1932	2017
	Ties: 1934, 1974, 2008
Jun 1931–May 1933 24-Month	52.4°F (11.3°C)	50.3°F (10.2°C)	2.1°F (1.1°C)	115th Coolest	Coolest since: 1931	1905
	52.4°F (11.3°C)	50.3°F (10.2°C)	2.1°F (1.1°C)	12th Warmest	Warmest since: 1932	2017
	Ties: 2006
Jun 1930–May 1933 36-Month	52.1°F (11.2°C)	50.3°F (10.2°C)	1.8°F (1.0°C)	115th Coolest	Coolest since: 1932	1905, 1906
	52.1°F (11.2°C)	50.3°F (10.2°C)	1.8°F (1.0°C)	11th Warmest	Warmest to Date	2018
	Ties: 2008
Jun 1929–May 1933 48-Month	51.5°F (10.8°C)	50.3°F (10.2°C)	1.2°F (0.6°C)	103rd Coolest	Coolest since: 1932	1905
	51.5°F (10.8°C)	50.3°F (10.2°C)	1.2°F (0.6°C)	22nd Warmest	Warmest to Date	2019
	Ties: 1988, 1991, 2014, 2017
Jun 1928–May 1933 60-Month	51.1°F (10.6°C)	50.3°F (10.2°C)	0.8°F (0.4°C)	90th Coolest	Coolest since: 1932	1905, 1906, 1908
	51.1°F (10.6°C)	50.3°F (10.2°C)	0.8°F (0.4°C)	34th Warmest	Warmest since: 1923	2020
	Ties: 1923, 1942, 1987, 1988, 1995, 2015

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings