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 3. West

Average Temperature Rankings, December 1938

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1938 1-Month	29.3°F (-1.5°C)	28.3°F (-2.1°C)	1.0°F (0.6°C)	64th Coolest	Coolest since: 1937	1983
December 1938 1-Month	29.3°F (-1.5°C)	28.3°F (-2.1°C)	1.0°F (0.6°C)	65th Warmest	Warmest since: 1936	2015
Nov–Dec 1938 2-Month	35.8°F (2.1°C)	34.3°F (1.3°C)	1.5°F (0.8°C)	87th Coolest	Coolest since: 1937	2000
	35.8°F (2.1°C)	34.3°F (1.3°C)	1.5°F (0.8°C)	42nd Warmest	Warmest since: 1933	1931
	Ties: 1896, 1922, 1988
Oct–Dec 1938 3-Month	43.9°F (6.6°C)	41.0°F (5.0°C)	2.9°F (1.6°C)	108th Coolest	Coolest since: 1937	1976
	43.9°F (6.6°C)	41.0°F (5.0°C)	2.9°F (1.6°C)	21st Warmest	Warmest since: 1931	1931
	Ties: 1899
Sep–Dec 1938 4-Month	50.0°F (10.0°C)	47.3°F (8.5°C)	2.7°F (1.5°C)	116th Coolest	Coolest since: 1937	1976
	50.0°F (10.0°C)	47.3°F (8.5°C)	2.7°F (1.5°C)	13th Warmest	Warmest since: 1931	1931
	Ties: 1946
Aug–Dec 1938 5-Month	55.4°F (13.0°C)	52.6°F (11.4°C)	2.8°F (1.6°C)	120th Coolest	Coolest since: 1937	1976
	55.4°F (13.0°C)	52.6°F (11.4°C)	2.8°F (1.6°C)	9th Warmest	Warmest since: 1931	1931
	Ties: 2001
Jul–Dec 1938 6-Month	59.0°F (15.0°C)	56.4°F (13.6°C)	2.6°F (1.4°C)	120th Coolest	Coolest since: 1937	1976
Jul–Dec 1938 6-Month	59.0°F (15.0°C)	56.4°F (13.6°C)	2.6°F (1.4°C)	9th Warmest	Warmest since: 1936	1931
Jun–Dec 1938 7-Month	60.6°F (15.9°C)	58.6°F (14.8°C)	2.0°F (1.1°C)	116th Coolest	Coolest since: 1937	1976
	60.6°F (15.9°C)	58.6°F (14.8°C)	2.0°F (1.1°C)	13th Warmest	Warmest since: 1936	1931
	Ties: 1921, 1971
May–Dec 1938 8-Month	60.8°F (16.0°C)	59.1°F (15.1°C)	1.7°F (0.9°C)	111th Coolest	Coolest since: 1937	1917
	60.8°F (16.0°C)	59.1°F (15.1°C)	1.7°F (0.9°C)	18th Warmest	Warmest since: 1936	1931
	Ties: 1900, 2018
Apr–Dec 1938 9-Month	59.9°F (15.5°C)	58.2°F (14.6°C)	1.7°F (0.9°C)	114th Coolest	Coolest since: 1937	1917
	59.9°F (15.5°C)	58.2°F (14.6°C)	1.7°F (0.9°C)	15th Warmest	Warmest since: 1936	1931
	Ties: 1900, 1954
Mar–Dec 1938 10-Month	58.7°F (14.8°C)	56.3°F (13.5°C)	2.4°F (1.3°C)	122nd Coolest	Coolest since: 1937	1917
	58.7°F (14.8°C)	56.3°F (13.5°C)	2.4°F (1.3°C)	7th Warmest	Warmest since: 1936	2012
	Ties: 1941, 1987
Feb–Dec 1938 11-Month	56.6°F (13.7°C)	53.8°F (12.1°C)	2.8°F (1.6°C)	123rd Coolest	Coolest since: 1937	1917
	56.6°F (13.7°C)	53.8°F (12.1°C)	2.8°F (1.6°C)	6th Warmest	Warmest since: 1931	2012
	Ties: 1987
Jan–Dec 1938 12-Month	54.0°F (12.2°C)	51.2°F (10.7°C)	2.8°F (1.5°C)	122nd Coolest	Coolest since: 1937	1917
Jan–Dec 1938 12-Month	54.0°F (12.2°C)	51.2°F (10.7°C)	2.8°F (1.5°C)	7th Warmest	Warmest since: 1931	2012
Jul 1937–Dec 1938 18-Month	54.5°F (12.5°C)	53.0°F (11.7°C)	1.5°F (0.8°C)	111th Coolest	Coolest since: 1937	1904
	54.5°F (12.5°C)	53.0°F (11.7°C)	1.5°F (0.8°C)	17th Warmest	Warmest since: 1934	2012
	Ties: 1922
Jan 1937–Dec 1938 24-Month	52.1°F (11.2°C)	51.3°F (10.7°C)	0.8°F (0.5°C)	96th Coolest	Coolest since: 1937	1979
	52.1°F (11.2°C)	51.3°F (10.7°C)	0.8°F (0.5°C)	32nd Warmest	Warmest since: 1935	2017
	Ties: 1935, 1992, 2011
Jan 1936–Dec 1938 36-Month	52.0°F (11.1°C)	51.2°F (10.7°C)	0.8°F (0.4°C)	94th Coolest	Coolest since: 1937	1905
	52.0°F (11.1°C)	51.2°F (10.7°C)	0.8°F (0.4°C)	33rd Warmest	Warmest since: 1936	2017
	Ties: 1936, 1948, 1957, 1987, 1989, 1991
Jan 1935–Dec 1938 48-Month	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	80th Coolest	Coolest since: 1937	1905
	51.7°F (10.9°C)	51.2°F (10.7°C)	0.5°F (0.2°C)	46th Warmest	Warmest since: 1936	1934
	Ties: 1944
Jan 1934–Dec 1938 60-Month	52.0°F (11.1°C)	51.2°F (10.7°C)	0.8°F (0.4°C)	100th Coolest	Coolest since: 1937	1905
	52.0°F (11.1°C)	51.2°F (10.7°C)	0.8°F (0.4°C)	25th Warmest	Warmest since: 1936	1934
	Ties: 1931, 1932, 1939, 1955, 2004, 2012, 2013, 2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings