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 1921

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1921 1-Month	31.5°F (-0.3°C)	28.3°F (-2.1°C)	3.2°F (1.8°C)	86th Coolest	Coolest since: 1920	1983
	31.5°F (-0.3°C)	28.3°F (-2.1°C)	3.2°F (1.8°C)	43rd Warmest	Warmest since: 1918	2015
	Ties: 1928
Nov–Dec 1921 2-Month	35.2°F (1.8°C)	34.3°F (1.3°C)	0.9°F (0.5°C)	72nd Coolest	Coolest since: 1920	2000
	35.2°F (1.8°C)	34.3°F (1.3°C)	0.9°F (0.5°C)	57th Warmest	Warmest since: 1918	1931
	Ties: 1936, 1970
Oct–Dec 1921 3-Month	41.8°F (5.4°C)	41.0°F (5.0°C)	0.8°F (0.4°C)	77th Coolest	Coolest since: 1919	1976
Oct–Dec 1921 3-Month	41.8°F (5.4°C)	41.0°F (5.0°C)	0.8°F (0.4°C)	52nd Warmest	Warmest since: 1920	1931
Sep–Dec 1921 4-Month	48.8°F (9.3°C)	47.3°F (8.5°C)	1.5°F (0.8°C)	99th Coolest	Coolest since: 1919	1976
	48.8°F (9.3°C)	47.3°F (8.5°C)	1.5°F (0.8°C)	30th Warmest	Warmest since: 1920	1931
	Ties: 1908, 1912, 1927, 1984, 2017
Aug–Dec 1921 5-Month	53.8°F (12.1°C)	52.5°F (11.4°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 1920	1976
	53.8°F (12.1°C)	52.5°F (11.4°C)	1.3°F (0.7°C)	30th Warmest	Warmest since: 1918	1931
	Ties: 1930, 1933, 1940, 1948
Jul–Dec 1921 6-Month	58.1°F (14.5°C)	56.5°F (13.6°C)	1.6°F (0.9°C)	111th Coolest	Coolest since: 1920	1976
	58.1°F (14.5°C)	56.5°F (13.6°C)	1.6°F (0.9°C)	18th Warmest	Warmest since: 1913	1931
	Ties: 1930, 2007
Jun–Dec 1921 7-Month	60.6°F (15.9°C)	58.6°F (14.8°C)	2.0°F (1.1°C)	116th Coolest	Coolest since: 1920	1976
	60.6°F (15.9°C)	58.6°F (14.8°C)	2.0°F (1.1°C)	13th Warmest	Warmest since: 1913	1931
	Ties: 1938, 1971
May–Dec 1921 8-Month	61.1°F (16.2°C)	59.1°F (15.1°C)	2.0°F (1.1°C)	118th Coolest	Coolest since: 1920	1917
	61.1°F (16.2°C)	59.1°F (15.1°C)	2.0°F (1.1°C)	11th Warmest	Warmest since: 1913	1931
	Ties: 1939, 1987, 2007
Apr–Dec 1921 9-Month	60.3°F (15.7°C)	58.2°F (14.6°C)	2.1°F (1.1°C)	118th Coolest	Coolest since: 1920	1917
	60.3°F (15.7°C)	58.2°F (14.6°C)	2.1°F (1.1°C)	11th Warmest	Warmest since: 1913	1931
	Ties: 1987
Mar–Dec 1921 10-Month	59.0°F (15.0°C)	56.3°F (13.5°C)	2.7°F (1.5°C)	125th Coolest	Coolest since: 1920	1917
	59.0°F (15.0°C)	56.3°F (13.5°C)	2.7°F (1.5°C)	4th Warmest	Warmest to Date	2012
	Ties: 1931
Feb–Dec 1921 11-Month	56.8°F (13.8°C)	53.7°F (12.1°C)	3.1°F (1.7°C)	126th Coolest	Coolest since: 1920	1917
	56.8°F (13.8°C)	53.7°F (12.1°C)	3.1°F (1.7°C)	3rd Warmest	Warmest to Date	2012
	Ties: 1998, 2016
Jan–Dec 1921 12-Month	54.7°F (12.6°C)	51.2°F (10.7°C)	3.5°F (1.9°C)	126th Coolest	Coolest since: 1920	1917
Jan–Dec 1921 12-Month	54.7°F (12.6°C)	51.2°F (10.7°C)	3.5°F (1.9°C)	3rd Warmest	Warmest to Date	2012
Jul 1920–Dec 1921 18-Month	55.5°F (13.1°C)	53.0°F (11.7°C)	2.5°F (1.4°C)	124th Coolest	Coolest since: 1920	1904
	55.5°F (13.1°C)	53.0°F (11.7°C)	2.5°F (1.4°C)	4th Warmest	Warmest to Date	2012
	Ties: 2017
Jan 1920–Dec 1921 24-Month	52.7°F (11.5°C)	51.2°F (10.7°C)	1.5°F (0.8°C)	112th Coolest	Coolest since: 1920	1979
	52.7°F (11.5°C)	51.2°F (10.7°C)	1.5°F (0.8°C)	16th Warmest	Warmest to Date	2017
	Ties: 1953, 2018, 2021
Jan 1919–Dec 1921 36-Month	52.4°F (11.3°C)	51.2°F (10.7°C)	1.2°F (0.6°C)	106th Coolest	Coolest since: 1920	1905
	52.4°F (11.3°C)	51.2°F (10.7°C)	1.2°F (0.6°C)	21st Warmest	Warmest to Date	2017
	Ties: 1939, 1992
Jan 1918–Dec 1921 48-Month	52.1°F (11.2°C)	51.2°F (10.7°C)	0.9°F (0.5°C)	100th Coolest	Coolest since: 1920	1905
	52.1°F (11.2°C)	51.2°F (10.7°C)	0.9°F (0.5°C)	26th Warmest	Warmest to Date	1934
	Ties: 1931, 1932, 1942, 1949, 2021
Jan 1917–Dec 1921 60-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1920	1905
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1915	1934
	Ties: 1900, 1911, 1975, 1977, 1995

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