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 1897

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1897 1-Month	23.3°F (-4.8°C)	28.3°F (-2.1°C)	-5.0°F (-2.7°C)	18th Coolest	Coolest to Date	1983
December 1897 1-Month	23.3°F (-4.8°C)	28.3°F (-2.1°C)	-5.0°F (-2.7°C)	111th Warmest	Warmest since: 1896	2015
Nov–Dec 1897 2-Month	30.9°F (-0.6°C)	34.3°F (1.3°C)	-3.4°F (-1.9°C)	21st Coolest	Coolest to Date	2000
	30.9°F (-0.6°C)	34.3°F (1.3°C)	-3.4°F (-1.9°C)	108th Warmest	Warmest since: 1896	1931
	Ties: 1925, 1926, 1937, 1996
Oct–Dec 1897 3-Month	40.7°F (4.8°C)	41.0°F (5.0°C)	-0.3°F (-0.2°C)	53rd Coolest	Coolest since: 1896	1976
	40.7°F (4.8°C)	41.0°F (5.0°C)	-0.3°F (-0.2°C)	76th Warmest	Warmest to Date	1931
	Ties: 1905, 1981
Sep–Dec 1897 4-Month	48.6°F (9.2°C)	47.3°F (8.5°C)	1.3°F (0.7°C)	89th Coolest	Coolest since: 1896	1976
	48.6°F (9.2°C)	47.3°F (8.5°C)	1.3°F (0.7°C)	40th Warmest	Warmest to Date	1931
	Ties: 1915, 1936, 2005
Aug–Dec 1897 5-Month	53.2°F (11.8°C)	52.5°F (11.4°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 1896	1976
	53.2°F (11.8°C)	52.5°F (11.4°C)	0.7°F (0.4°C)	50th Warmest	Warmest to Date	1931
	Ties: 1980, 2010, 2019, 2020
Jul–Dec 1897 6-Month	57.1°F (13.9°C)	56.5°F (13.6°C)	0.6°F (0.3°C)	76th Coolest	Coolest since: 1896	1976
	57.1°F (13.9°C)	56.5°F (13.6°C)	0.6°F (0.3°C)	53rd Warmest	Warmest to Date	1931
	Ties: 1920, 1990
Jun–Dec 1897 7-Month	59.3°F (15.2°C)	58.6°F (14.8°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1896	1976
	59.3°F (15.2°C)	58.6°F (14.8°C)	0.7°F (0.4°C)	47th Warmest	Warmest to Date	1931
	Ties: 1948, 2018, 2019
May–Dec 1897 8-Month	59.3°F (15.2°C)	59.1°F (15.1°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1896	1917
	59.3°F (15.2°C)	59.1°F (15.1°C)	0.2°F (0.1°C)	68th Warmest	Warmest to Date	1931
	Ties: 1973, 2002
Apr–Dec 1897 9-Month	58.3°F (14.6°C)	58.2°F (14.6°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1895	1917
	58.3°F (14.6°C)	58.2°F (14.6°C)	0.1°F (0.0°C)	72nd Warmest	Warmest since: 1896	1931
	Ties: 1895, 1973, 2022
Mar–Dec 1897 10-Month	56.2°F (13.4°C)	56.3°F (13.5°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1895	1917
	56.2°F (13.4°C)	56.3°F (13.5°C)	-0.1°F (-0.1°C)	73rd Warmest	Warmest since: 1896	2012
	Ties: 1895, 1910, 1947, 1979
Feb–Dec 1897 11-Month	53.8°F (12.1°C)	53.7°F (12.1°C)	0.1°F (0.0°C)	70th Coolest	Coolest since: 1895	1917
	53.8°F (12.1°C)	53.7°F (12.1°C)	0.1°F (0.0°C)	59th Warmest	Warmest since: 1896	2012
	Ties: 1900, 1914, 1940, 1942, 1970, 1983
Jan–Dec 1897 12-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1895	1917
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1896	2012
	Ties: 1918, 1925, 1959, 2019
Jul 1896–Dec 1897 18-Month	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	43rd Coolest	Coolest to Date	1904
Jul 1896–Dec 1897 18-Month	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	85th Warmest	Warmest since: 1896	2012
Jan 1896–Dec 1897 24-Month	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	81st Coolest	Coolest since: 1896	1979
	51.6°F (10.9°C)	51.2°F (10.7°C)	0.4°F (0.2°C)	47th Warmest	Warmest to Date	2017
	Ties: 1911
Jan 1895–Dec 1897 36-Month	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest to Date	1905
	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest to Date	2017
	Ties: 1909, 1924, 1928, 1950, 1974, 1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings