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 1947

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1947 1-Month	31.6°F (-0.2°C)	28.3°F (-2.1°C)	3.3°F (1.9°C)	89th Coolest	Coolest since: 1945	1983
	31.6°F (-0.2°C)	28.3°F (-2.1°C)	3.3°F (1.9°C)	40th Warmest	Warmest since: 1946	2015
	Ties: 1975, 2020
Nov–Dec 1947 2-Month	33.3°F (0.7°C)	34.3°F (1.3°C)	-1.0°F (-0.6°C)	39th Coolest	Coolest since: 1945	2000
Nov–Dec 1947 2-Month	33.3°F (0.7°C)	34.3°F (1.3°C)	-1.0°F (-0.6°C)	90th Warmest	Warmest since: 1946	1931
Oct–Dec 1947 3-Month	43.0°F (6.1°C)	41.0°F (5.0°C)	2.0°F (1.1°C)	102nd Coolest	Coolest since: 1945	1976
	43.0°F (6.1°C)	41.0°F (5.0°C)	2.0°F (1.1°C)	27th Warmest	Warmest since: 1946	1931
	Ties: 1922, 1928, 2004
Sep–Dec 1947 4-Month	49.5°F (9.7°C)	47.3°F (8.5°C)	2.2°F (1.2°C)	112th Coolest	Coolest since: 1945	1976
Sep–Dec 1947 4-Month	49.5°F (9.7°C)	47.3°F (8.5°C)	2.2°F (1.2°C)	17th Warmest	Warmest since: 1946	1931
Aug–Dec 1947 5-Month	55.9°F (13.3°C)	52.5°F (11.4°C)	3.4°F (1.9°C)	121st Coolest	Coolest since: 1946	1976
Aug–Dec 1947 5-Month	55.9°F (13.3°C)	52.5°F (11.4°C)	3.4°F (1.9°C)	8th Warmest	Warmest since: 1941	1931
Jul–Dec 1947 6-Month	58.8°F (14.9°C)	56.5°F (13.6°C)	2.3°F (1.3°C)	118th Coolest	Coolest since: 1946	1976
	58.8°F (14.9°C)	56.5°F (13.6°C)	2.3°F (1.3°C)	11th Warmest	Warmest since: 1941	1931
	Ties: 1953
Jun–Dec 1947 7-Month	60.2°F (15.7°C)	58.6°F (14.8°C)	1.6°F (0.9°C)	108th Coolest	Coolest since: 1946	1976
	60.2°F (15.7°C)	58.6°F (14.8°C)	1.6°F (0.9°C)	21st Warmest	Warmest since: 1941	1931
	Ties: 2005, 2007
May–Dec 1947 8-Month	59.9°F (15.5°C)	59.1°F (15.1°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1946	1917
	59.9°F (15.5°C)	59.1°F (15.1°C)	0.8°F (0.4°C)	41st Warmest	Warmest since: 1941	1931
	Ties: 1940, 1959, 2006
Apr–Dec 1947 9-Month	58.8°F (14.9°C)	58.2°F (14.6°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1945	1917
	58.8°F (14.9°C)	58.2°F (14.6°C)	0.6°F (0.3°C)	52nd Warmest	Warmest since: 1946	1931
	Ties: 1975
Mar–Dec 1947 10-Month	56.2°F (13.4°C)	56.3°F (13.5°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1945	1917
	56.2°F (13.4°C)	56.3°F (13.5°C)	-0.1°F (-0.1°C)	73rd Warmest	Warmest since: 1946	2012
	Ties: 1895, 1897, 1910, 1979
Feb–Dec 1947 11-Month	53.1°F (11.7°C)	53.7°F (12.1°C)	-0.6°F (-0.4°C)	40th Coolest	Coolest since: 1945	1917
	53.1°F (11.7°C)	53.7°F (12.1°C)	-0.6°F (-0.4°C)	89th Warmest	Warmest since: 1946	2012
	Ties: 1966, 1992
Jan–Dec 1947 12-Month	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1945	1917
	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	73rd Warmest	Warmest since: 1946	2012
	Ties: 1977, 1980
Jul 1946–Dec 1947 18-Month	53.2°F (11.8°C)	53.0°F (11.7°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1945	1904
	53.2°F (11.8°C)	53.0°F (11.7°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 1946	2012
	Ties: 1896, 1936, 1984, 2001
Jan 1946–Dec 1947 24-Month	52.3°F (11.3°C)	51.2°F (10.7°C)	1.1°F (0.6°C)	101st Coolest	Coolest since: 1946	1979
	52.3°F (11.3°C)	51.2°F (10.7°C)	1.1°F (0.6°C)	27th Warmest	Warmest since: 1942	2017
	Ties: 1914, 2000
Jan 1945–Dec 1947 36-Month	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	75th Coolest	Coolest since: 1945	1905
Jan 1945–Dec 1947 36-Month	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	52nd Warmest	Warmest since: 1946	2017
Jan 1944–Dec 1947 48-Month	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1946	1905
	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	48th Warmest	Warmest since: 1944	1934
	Ties: 1914, 1937
Jan 1943–Dec 1947 60-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1930	1905
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	66th Warmest	Warmest since: 1946	1934
	Ties: 1953, 1998

Citing This Page

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