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 1937

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1937 1-Month	61.4°F (16.3°C)	61.0°F (16.1°C)	0.4°F (0.2°C)	68th Coolest	Coolest since: 1935	1907
	61.4°F (16.3°C)	61.0°F (16.1°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1936	2018
	Ties: 1913, 1958, 2011
Apr–May 1937 2-Month	54.9°F (12.7°C)	55.5°F (13.1°C)	-0.6°F (-0.4°C)	43rd Coolest	Coolest since: 1935	1907
	54.9°F (12.7°C)	55.5°F (13.1°C)	-0.6°F (-0.4°C)	86th Warmest	Warmest since: 1936	1977
	Ties: 1951
Mar–May 1937 3-Month	48.2°F (9.0°C)	49.7°F (9.8°C)	-1.5°F (-0.8°C)	31st Coolest	Coolest since: 1932	1960
	48.2°F (9.0°C)	49.7°F (9.8°C)	-1.5°F (-0.8°C)	98th Warmest	Warmest since: 1936	2012
	Ties: 1899
Feb–May 1937 4-Month	42.8°F (6.0°C)	44.2°F (6.8°C)	-1.4°F (-0.8°C)	33rd Coolest	Coolest since: 1936	1978
	42.8°F (6.0°C)	44.2°F (6.8°C)	-1.4°F (-0.8°C)	96th Warmest	Warmest since: 1935	2012
	Ties: 1966, 1967
Jan–May 1937 5-Month	39.4°F (4.1°C)	40.1°F (4.5°C)	-0.7°F (-0.4°C)	43rd Coolest	Coolest since: 1936	1978
	39.4°F (4.1°C)	40.1°F (4.5°C)	-0.7°F (-0.4°C)	86th Warmest	Warmest since: 1935	2012
	Ties: 1913
Dec 1936–May 1937 6-Month	38.2°F (3.4°C)	38.1°F (3.4°C)	0.1°F (0.0°C)	64th Coolest	Coolest since: 1936	1904, 1978
	38.2°F (3.4°C)	38.1°F (3.4°C)	0.1°F (0.0°C)	64th Warmest	Warmest since: 1934	2012
	Ties: 1909, 1993
Nov 1936–May 1937 7-Month	37.9°F (3.3°C)	38.3°F (3.5°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1936	1904
	37.9°F (3.3°C)	38.3°F (3.5°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 1935	2012
	Ties: 1906, 2001, 2011
Oct 1936–May 1937 8-Month	39.7°F (4.3°C)	40.2°F (4.6°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1936	1904
	39.7°F (4.3°C)	40.2°F (4.6°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1935	2012
	Ties: 1916, 1969
Sep 1936–May 1937 9-Month	42.9°F (6.1°C)	43.0°F (6.1°C)	-0.1°F (0.0°C)	52nd Coolest	Coolest since: 1936	1904
	42.9°F (6.1°C)	43.0°F (6.1°C)	-0.1°F (0.0°C)	76th Warmest	Warmest since: 1935	2012
	Ties: 1927, 1956, 1993
Aug 1936–May 1937 10-Month	46.4°F (8.0°C)	45.9°F (7.7°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1936	1904
	46.4°F (8.0°C)	45.9°F (7.7°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1934	2012
	Ties: 2011
Jul 1936–May 1937 11-Month	49.6°F (9.8°C)	48.5°F (9.2°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1936	1904
	49.6°F (9.8°C)	48.5°F (9.2°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1932	2012
	Ties: 1931, 1985, 1995, 2021
Jun 1936–May 1937 12-Month	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	92nd Coolest	Coolest since: 1936	1904
	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	36th Warmest	Warmest since: 1935	2012
	Ties: 1931, 1941, 1989
Dec 1935–May 1937 18-Month	45.7°F (7.6°C)	46.2°F (7.9°C)	-0.5°F (-0.3°C)	42nd Coolest	Coolest since: 1936	1905
	45.7°F (7.6°C)	46.2°F (7.9°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 1935	2017
	Ties: 1919, 1930, 1994
Jun 1935–May 1937 24-Month	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	36th Coolest	Coolest since: 1930	1905
	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	91st Warmest	Warmest since: 1936	2017
	Ties: 1929, 1951, 1961, 1983
Jun 1934–May 1937 36-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	60th Coolest	Coolest since: 1931	1905, 1906
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	66th Warmest	Warmest since: 1936	2018
	Ties: 1947, 1948, 1951, 2016
Jun 1933–May 1937 48-Month	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1936	1905
	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1935	2019
	Ties: 1945, 1949, 1995, 2016
Jun 1932–May 1937 60-Month	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	75th Coolest	Coolest since: 1931	1905, 1906, 1908
	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	49th Warmest	Warmest since: 1936	2020
	Ties: 1924, 1938, 1939, 1943

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings