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 1970

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1970 1-Month	31.2°F (-0.4°C)	28.3°F (-2.1°C)	2.9°F (1.7°C)	80th Coolest	Coolest since: 1969	1983
December 1970 1-Month	31.2°F (-0.4°C)	28.3°F (-2.1°C)	2.9°F (1.7°C)	49th Warmest	Warmest since: 1965	2015
Nov–Dec 1970 2-Month	35.2°F (1.8°C)	34.3°F (1.3°C)	0.9°F (0.5°C)	72nd Coolest	Coolest since: 1969	2000
	35.2°F (1.8°C)	34.3°F (1.3°C)	0.9°F (0.5°C)	57th Warmest	Warmest since: 1966	1931
	Ties: 1921, 1936
Oct–Dec 1970 3-Month	41.6°F (5.3°C)	41.0°F (5.0°C)	0.6°F (0.3°C)	76th Coolest	Coolest since: 1969	1976
Oct–Dec 1970 3-Month	41.6°F (5.3°C)	41.0°F (5.0°C)	0.6°F (0.3°C)	53rd Warmest	Warmest since: 1965	1931
Sep–Dec 1970 4-Month	47.8°F (8.8°C)	47.3°F (8.5°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1969	1976
	47.8°F (8.8°C)	47.3°F (8.5°C)	0.5°F (0.3°C)	57th Warmest	Warmest since: 1965	1931
	Ties: 1978, 1986
Aug–Dec 1970 5-Month	52.9°F (11.6°C)	52.5°F (11.4°C)	0.4°F (0.2°C)	69th Coolest	Coolest since: 1969	1976
	52.9°F (11.6°C)	52.5°F (11.4°C)	0.4°F (0.2°C)	60th Warmest	Warmest since: 1965	1931
	Ties: 1905, 1959, 2018
Jul–Dec 1970 6-Month	56.6°F (13.7°C)	56.5°F (13.6°C)	0.1°F (0.1°C)	63rd Coolest	Coolest since: 1969	1976
	56.6°F (13.7°C)	56.5°F (13.6°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1965	1931
	Ties: 1963, 2018
Jun–Dec 1970 7-Month	58.6°F (14.8°C)	58.6°F (14.8°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1969	1976
Jun–Dec 1970 7-Month	58.6°F (14.8°C)	58.6°F (14.8°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1965	1931
May–Dec 1970 8-Month	59.4°F (15.2°C)	59.1°F (15.1°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1969	1917
	59.4°F (15.2°C)	59.1°F (15.1°C)	0.3°F (0.1°C)	59th Warmest	Warmest since: 1965	1931
	Ties: 1908, 1920, 1957, 1963, 1979, 1986
Apr–Dec 1970 9-Month	58.6°F (14.8°C)	58.2°F (14.6°C)	0.4°F (0.2°C)	71st Coolest	Coolest since: 1969	1917
	58.6°F (14.8°C)	58.2°F (14.6°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1965	1931
	Ties: 1908, 1962
Mar–Dec 1970 10-Month	56.4°F (13.6°C)	56.3°F (13.5°C)	0.1°F (0.1°C)	69th Coolest	Coolest since: 1969	1917
	56.4°F (13.6°C)	56.3°F (13.5°C)	0.1°F (0.1°C)	60th Warmest	Warmest since: 1965	2012
	Ties: 1899, 1940, 1952, 1965
Feb–Dec 1970 11-Month	53.8°F (12.1°C)	53.7°F (12.1°C)	0.1°F (0.0°C)	70th Coolest	Coolest since: 1969	1917
	53.8°F (12.1°C)	53.7°F (12.1°C)	0.1°F (0.0°C)	59th Warmest	Warmest since: 1964	2012
	Ties: 1897, 1900, 1914, 1940, 1942, 1983
Jan–Dec 1970 12-Month	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1969	1917
	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	86th Warmest	Warmest since: 1968	2012
	Ties: 1901, 1915, 1968
Jul 1969–Dec 1970 18-Month	52.2°F (11.2°C)	53.0°F (11.7°C)	-0.8°F (-0.5°C)	27th Coolest	Coolest since: 1969	1904
	52.2°F (11.2°C)	53.0°F (11.7°C)	-0.8°F (-0.5°C)	101st Warmest	Warmest since: 1966	2012
	Ties: 1902, 1943, 1958, 1985
Jan 1969–Dec 1970 24-Month	50.3°F (10.2°C)	51.2°F (10.7°C)	-0.9°F (-0.5°C)	17th Coolest	Coolest since: 1969	1979
	50.3°F (10.2°C)	51.2°F (10.7°C)	-0.9°F (-0.5°C)	111th Warmest	Warmest since: 1969	2017
	Ties: 1968, 1969, 2009
Jan 1968–Dec 1970 36-Month	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	19th Coolest	Coolest since: 1969	1905
	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	108th Warmest	Warmest since: 1967	2017
	Ties: 2015
Jan 1967–Dec 1970 48-Month	50.3°F (10.2°C)	51.2°F (10.7°C)	-0.9°F (-0.5°C)	10th Coolest	Coolest since: 1969	1905
	50.3°F (10.2°C)	51.2°F (10.7°C)	-0.9°F (-0.5°C)	116th Warmest	Warmest since: 1968	1934
	Ties: 1917, 1961, 1996
Jan 1966–Dec 1970 60-Month	50.3°F (10.2°C)	51.2°F (10.7°C)	-0.9°F (-0.5°C)	8th Coolest	Coolest since: 1907	1905
	50.3°F (10.2°C)	51.2°F (10.7°C)	-0.9°F (-0.5°C)	117th Warmest	Warmest since: 1969	1934
	Ties: 1981, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings