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 1938

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1938 1-Month	60.6°F (15.9°C)	61.0°F (16.1°C)	-0.4°F (-0.2°C)	54th Coolest	Coolest since: 1935	1907
	60.6°F (15.9°C)	61.0°F (16.1°C)	-0.4°F (-0.2°C)	75th Warmest	Warmest since: 1937	2018
	Ties: 1898
Apr–May 1938 2-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	70th Coolest	Coolest since: 1937	1907
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	59th Warmest	Warmest since: 1934	1977
	Ties: 1932, 1949, 1974, 2009
Mar–May 1938 3-Month	52.5°F (11.4°C)	49.7°F (9.8°C)	2.8°F (1.6°C)	113th Coolest	Coolest since: 1937	1960
	52.5°F (11.4°C)	49.7°F (9.8°C)	2.8°F (1.6°C)	16th Warmest	Warmest since: 1921	2012
	Ties: 1896, 2017
Feb–May 1938 4-Month	48.2°F (9.0°C)	44.1°F (6.7°C)	4.1°F (2.3°C)	120th Coolest	Coolest since: 1937	1978
Feb–May 1938 4-Month	48.2°F (9.0°C)	44.1°F (6.7°C)	4.1°F (2.3°C)	9th Warmest	Warmest since: 1921	2012
Jan–May 1938 5-Month	43.6°F (6.4°C)	40.1°F (4.5°C)	3.5°F (1.9°C)	119th Coolest	Coolest since: 1937	1978
Jan–May 1938 5-Month	43.6°F (6.4°C)	40.1°F (4.5°C)	3.5°F (1.9°C)	10th Warmest	Warmest since: 1921	2012
Dec 1937–May 1938 6-Month	40.6°F (4.8°C)	38.1°F (3.4°C)	2.5°F (1.4°C)	112th Coolest	Coolest since: 1937	1978
	40.6°F (4.8°C)	38.1°F (3.4°C)	2.5°F (1.4°C)	16th Warmest	Warmest since: 1932	2012
	Ties: 1954, 2007
Nov 1937–May 1938 7-Month	39.8°F (4.3°C)	38.3°F (3.5°C)	1.5°F (0.8°C)	95th Coolest	Coolest since: 1937	1904
	39.8°F (4.3°C)	38.3°F (3.5°C)	1.5°F (0.8°C)	33rd Warmest	Warmest since: 1932	2012
	Ties: 1946, 1988
Oct 1937–May 1938 8-Month	41.1°F (5.1°C)	40.2°F (4.6°C)	0.9°F (0.5°C)	84th Coolest	Coolest since: 1937	1904
Oct 1937–May 1938 8-Month	41.1°F (5.1°C)	40.2°F (4.6°C)	0.9°F (0.5°C)	44th Warmest	Warmest since: 1932	2012
Sep 1937–May 1938 9-Month	43.6°F (6.4°C)	43.0°F (6.1°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1937	1904
	43.6°F (6.4°C)	43.0°F (6.1°C)	0.6°F (0.3°C)	48th Warmest	Warmest since: 1934	2012
	Ties: 1914, 1988
Aug 1937–May 1938 10-Month	46.8°F (8.2°C)	45.9°F (7.7°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1937	1904
	46.8°F (8.2°C)	45.9°F (7.7°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1932	2012
	Ties: 1914, 1953
Jul 1937–May 1938 11-Month	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 1936	1904
	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	45th Warmest	Warmest since: 1937	2012
	Ties: 1898, 1957, 1988
Jun 1937–May 1938 12-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	79th Coolest	Coolest since: 1936	1904
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	49th Warmest	Warmest since: 1937	2012
	Ties: 1898, 1983, 2003
Dec 1936–May 1938 18-Month	46.6°F (8.1°C)	46.2°F (7.9°C)	0.4°F (0.2°C)	73rd Coolest	Coolest since: 1937	1905
	46.6°F (8.1°C)	46.2°F (7.9°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1935	2017
	Ties: 1909, 1915, 1947
Jun 1936–May 1938 24-Month	51.1°F (10.6°C)	50.3°F (10.2°C)	0.8°F (0.4°C)	91st Coolest	Coolest since: 1937	1905
	51.1°F (10.6°C)	50.3°F (10.2°C)	0.8°F (0.4°C)	36th Warmest	Warmest since: 1935	2017
	Ties: 1949, 1986, 1990, 2019
Jun 1935–May 1938 36-Month	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1931	1905, 1906
	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1937	2018
	Ties: 1898, 1931, 1972, 1983, 1997
Jun 1934–May 1938 48-Month	50.5°F (10.3°C)	50.2°F (10.1°C)	0.3°F (0.2°C)	60th Coolest	Coolest since: 1931	1905
	50.5°F (10.3°C)	50.2°F (10.1°C)	0.3°F (0.2°C)	65th Warmest	Warmest since: 1937	2019
	Ties: 1947, 1948, 1977
Jun 1933–May 1938 60-Month	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	75th Coolest	Coolest since: 1937	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: 1937	2020
	Ties: 1924, 1937, 1939, 1943

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings