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 1920

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1920 1-Month	30.6°F (-0.8°C)	28.3°F (-2.1°C)	2.3°F (1.3°C)	77th Coolest	Coolest since: 1919	1983
December 1920 1-Month	30.6°F (-0.8°C)	28.3°F (-2.1°C)	2.3°F (1.3°C)	52nd Warmest	Warmest since: 1918	2015
Nov–Dec 1920 2-Month	34.1°F (1.2°C)	34.3°F (1.3°C)	-0.2°F (-0.1°C)	57th Coolest	Coolest since: 1919	2000
	34.1°F (1.2°C)	34.3°F (1.3°C)	-0.2°F (-0.1°C)	72nd Warmest	Warmest since: 1918	1931
	Ties: 1973
Oct–Dec 1920 3-Month	42.6°F (5.9°C)	41.0°F (5.0°C)	1.6°F (0.9°C)	92nd Coolest	Coolest since: 1919	1976
Oct–Dec 1920 3-Month	42.6°F (5.9°C)	41.0°F (5.0°C)	1.6°F (0.9°C)	37th Warmest	Warmest since: 1918	1931
Sep–Dec 1920 4-Month	49.1°F (9.5°C)	47.3°F (8.5°C)	1.8°F (1.0°C)	105th Coolest	Coolest since: 1919	1976
	49.1°F (9.5°C)	47.3°F (8.5°C)	1.8°F (1.0°C)	24th Warmest	Warmest since: 1913	1931
	Ties: 1954, 1982
Aug–Dec 1920 5-Month	53.7°F (12.1°C)	52.5°F (11.4°C)	1.2°F (0.7°C)	94th Coolest	Coolest since: 1919	1976
	53.7°F (12.1°C)	52.5°F (11.4°C)	1.2°F (0.7°C)	35th Warmest	Warmest since: 1918	1931
	Ties: 2003
Jul–Dec 1920 6-Month	57.1°F (13.9°C)	56.5°F (13.6°C)	0.6°F (0.3°C)	76th Coolest	Coolest since: 1919	1976
	57.1°F (13.9°C)	56.5°F (13.6°C)	0.6°F (0.3°C)	53rd Warmest	Warmest since: 1918	1931
	Ties: 1897, 1990
Jun–Dec 1920 7-Month	59.2°F (15.1°C)	58.6°F (14.8°C)	0.6°F (0.3°C)	78th Coolest	Coolest since: 1919	1976
	59.2°F (15.1°C)	58.6°F (14.8°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1918	1931
	Ties: 1952, 1990, 2017
May–Dec 1920 8-Month	59.4°F (15.2°C)	59.1°F (15.1°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1919	1917
	59.4°F (15.2°C)	59.1°F (15.1°C)	0.3°F (0.1°C)	59th Warmest	Warmest since: 1918	1931
	Ties: 1908, 1957, 1963, 1970, 1979, 1986
Apr–Dec 1920 9-Month	57.8°F (14.3°C)	58.2°F (14.6°C)	-0.4°F (-0.3°C)	46th Coolest	Coolest since: 1919	1917
Apr–Dec 1920 9-Month	57.8°F (14.3°C)	58.2°F (14.6°C)	-0.4°F (-0.3°C)	83rd Warmest	Warmest since: 1918	1931
Mar–Dec 1920 10-Month	56.1°F (13.4°C)	56.3°F (13.5°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1919	1917
	56.1°F (13.4°C)	56.3°F (13.5°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1919	2012
	Ties: 1901, 1919, 1944, 1962
Feb–Dec 1920 11-Month	53.6°F (12.0°C)	53.7°F (12.1°C)	-0.1°F (-0.1°C)	54th Coolest	Coolest since: 1917	1917
	53.6°F (12.0°C)	53.7°F (12.1°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1919	2012
	Ties: 1974, 1975
Jan–Dec 1920 12-Month	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	47th Coolest	Coolest since: 1917	1917
	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	82nd Warmest	Warmest since: 1919	2012
	Ties: 1910, 1916, 1935, 1963
Jul 1919–Dec 1920 18-Month	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	35th Coolest	Coolest since: 1918	1904
	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	93rd Warmest	Warmest since: 1919	2012
	Ties: 1916, 1963, 1972
Jan 1919–Dec 1920 24-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	61st Coolest	Coolest since: 1918	1979
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	67th Warmest	Warmest since: 1919	2017
	Ties: 1901, 1908, 1909, 1971, 1975
Jan 1918–Dec 1920 36-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1919	1905
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	68th Warmest	Warmest since: 1915	2017
	Ties: 1911, 1930, 1944, 1958, 1964, 1966, 1973, 2009, 2014
Jan 1917–Dec 1920 48-Month	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	14th Coolest	Coolest since: 1919	1905
	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	112th Warmest	Warmest since: 1919	1934
	Ties: 1919, 1926, 1927, 1963, 1972, 1978, 1982
Jan 1916–Dec 1920 60-Month	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	11th Coolest	Coolest since: 1919	1905
	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	114th Warmest	Warmest since: 1919	1934
	Ties: 1908, 1919, 1962, 1969

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings