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 1951

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1951 1-Month	64.4°F (18.0°C)	63.2°F (17.3°C)	1.2°F (0.7°C)	77th Coolest	Coolest since: 1948	1924
	64.4°F (18.0°C)	63.2°F (17.3°C)	1.2°F (0.7°C)	52nd Warmest	Warmest since: 1950	2018
	Ties: 1905, 1906, 1913, 1996
Apr–May 1951 2-Month	57.1°F (13.9°C)	58.0°F (14.4°C)	-0.9°F (-0.5°C)	35th Coolest	Coolest since: 1950	1907
	57.1°F (13.9°C)	58.0°F (14.4°C)	-0.9°F (-0.5°C)	94th Warmest	Warmest since: 1949	1896
	Ties: 1996
Mar–May 1951 3-Month	50.7°F (10.4°C)	52.6°F (11.4°C)	-1.9°F (-1.0°C)	26th Coolest	Coolest since: 1950	1960
	50.7°F (10.4°C)	52.6°F (11.4°C)	-1.9°F (-1.0°C)	103rd Warmest	Warmest since: 1949	2012
	Ties: 1958
Feb–May 1951 4-Month	46.1°F (7.8°C)	47.3°F (8.5°C)	-1.2°F (-0.7°C)	40th Coolest	Coolest since: 1950	1978
	46.1°F (7.8°C)	47.3°F (8.5°C)	-1.2°F (-0.7°C)	89th Warmest	Warmest since: 1949	2012
	Ties: 1905
Jan–May 1951 5-Month	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	44th Coolest	Coolest since: 1947	1978
	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	85th Warmest	Warmest since: 1950	2012
	Ties: 1914, 1928, 1937, 2003
Dec 1950–May 1951 6-Month	39.5°F (4.2°C)	41.4°F (5.2°C)	-1.9°F (-1.0°C)	17th Coolest	Coolest since: 1940	1978
	39.5°F (4.2°C)	41.4°F (5.2°C)	-1.9°F (-1.0°C)	111th Warmest	Warmest since: 1950	2012
	Ties: 1905
Nov 1950–May 1951 7-Month	38.9°F (3.8°C)	41.5°F (5.3°C)	-2.6°F (-1.5°C)	12th Coolest	Coolest since: 1940	1978
Nov 1950–May 1951 7-Month	38.9°F (3.8°C)	41.5°F (5.3°C)	-2.6°F (-1.5°C)	116th Warmest	Warmest since: 1950	2012
Oct 1950–May 1951 8-Month	41.5°F (5.3°C)	43.3°F (6.3°C)	-1.8°F (-1.0°C)	17th Coolest	Coolest since: 1940	1978
	41.5°F (5.3°C)	43.3°F (6.3°C)	-1.8°F (-1.0°C)	111th Warmest	Warmest since: 1950	2012
	Ties: 1982, 1996
Sep 1950–May 1951 9-Month	44.1°F (6.7°C)	46.0°F (7.8°C)	-1.9°F (-1.1°C)	11th Coolest	Coolest since: 1936	1978
	44.1°F (6.7°C)	46.0°F (7.8°C)	-1.9°F (-1.1°C)	117th Warmest	Warmest since: 1950	2012
	Ties: 1902, 1982, 1984, 1996
Aug 1950–May 1951 10-Month	46.7°F (8.2°C)	48.8°F (9.3°C)	-2.1°F (-1.1°C)	8th Coolest	Coolest since: 1918	1978
	46.7°F (8.2°C)	48.8°F (9.3°C)	-2.1°F (-1.1°C)	120th Warmest	Warmest since: 1950	2012
	Ties: 1968
Jul 1950–May 1951 11-Month	49.1°F (9.5°C)	51.3°F (10.7°C)	-2.2°F (-1.2°C)	7th Coolest	Coolest since: 1918	1904
	49.1°F (9.5°C)	51.3°F (10.7°C)	-2.2°F (-1.2°C)	121st Warmest	Warmest since: 1950	2012
	Ties: 1912, 1979
Jun 1950–May 1951 12-Month	50.9°F (10.5°C)	53.1°F (11.7°C)	-2.2°F (-1.2°C)	5th Coolest	Coolest since: 1918	1904
Jun 1950–May 1951 12-Month	50.9°F (10.5°C)	53.1°F (11.7°C)	-2.2°F (-1.2°C)	123rd Warmest	Warmest since: 1950	2012
Dec 1949–May 1951 18-Month	48.2°F (9.0°C)	49.2°F (9.6°C)	-1.0°F (-0.6°C)	15th Coolest	Coolest since: 1936	1979
	48.2°F (9.0°C)	49.2°F (9.6°C)	-1.0°F (-0.6°C)	112th Warmest	Warmest since: 1950	2017
	Ties: 1902, 1906, 1916, 1936, 1952, 1963, 2014
Jun 1949–May 1951 24-Month	52.5°F (11.4°C)	53.1°F (11.7°C)	-0.6°F (-0.3°C)	29th Coolest	Coolest since: 1930	1905, 1978
	52.5°F (11.4°C)	53.1°F (11.7°C)	-0.6°F (-0.3°C)	98th Warmest	Warmest since: 1950	2017
	Ties: 1925, 1926, 1964, 1977, 2014
Jun 1948–May 1951 36-Month	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	64th Coolest	Coolest since: 1948	1979
	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	62nd Warmest	Warmest since: 1950	2018
	Ties: 1938, 1948, 1985, 1994
Jun 1947–May 1951 48-Month	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1931	1980
	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1950	2019
	Ties: 1917, 2016
Jun 1946–May 1951 60-Month	53.0°F (11.7°C)	53.0°F (11.7°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1931	1981
	53.0°F (11.7°C)	53.0°F (11.7°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1950	2020
	Ties: 1915, 1917, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings