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 1927

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1927 1-Month	25.5°F (-3.6°C)	28.3°F (-2.1°C)	-2.8°F (-1.5°C)	32nd Coolest	Coolest since: 1925	1983
December 1927 1-Month	25.5°F (-3.6°C)	28.3°F (-2.1°C)	-2.8°F (-1.5°C)	97th Warmest	Warmest since: 1926	2015
Nov–Dec 1927 2-Month	34.0°F (1.1°C)	34.2°F (1.2°C)	-0.2°F (-0.1°C)	52nd Coolest	Coolest since: 1926	2000
	34.0°F (1.1°C)	34.2°F (1.2°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1923	1931
	Ties: 1958, 1960, 1967, 1992
Oct–Dec 1927 3-Month	41.9°F (5.5°C)	41.0°F (5.0°C)	0.9°F (0.5°C)	80th Coolest	Coolest since: 1926	1976
	41.9°F (5.5°C)	41.0°F (5.0°C)	0.9°F (0.5°C)	49th Warmest	Warmest since: 1923	1931
	Ties: 1908, 1963
Sep–Dec 1927 4-Month	48.8°F (9.3°C)	47.2°F (8.4°C)	1.6°F (0.9°C)	99th Coolest	Coolest since: 1926	1976
	48.8°F (9.3°C)	47.2°F (8.4°C)	1.6°F (0.9°C)	30th Warmest	Warmest since: 1922	1931
	Ties: 1908, 1912, 1921, 1984, 2017
Aug–Dec 1927 5-Month	52.8°F (11.6°C)	52.5°F (11.4°C)	0.3°F (0.2°C)	61st Coolest	Coolest since: 1926	1976
	52.8°F (11.6°C)	52.5°F (11.4°C)	0.3°F (0.2°C)	68th Warmest	Warmest since: 1923	1931
	Ties: 1963, 1978, 2002, 2022
Jul–Dec 1927 6-Month	56.4°F (13.6°C)	56.4°F (13.6°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1926	1976
	56.4°F (13.6°C)	56.4°F (13.6°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1923	1931
	Ties: 1906, 1964
Jun–Dec 1927 7-Month	58.0°F (14.4°C)	58.6°F (14.8°C)	-0.6°F (-0.4°C)	41st Coolest	Coolest since: 1926	1976
	58.0°F (14.4°C)	58.6°F (14.8°C)	-0.6°F (-0.4°C)	88th Warmest	Warmest since: 1923	1931
	Ties: 1942, 1968, 1995
May–Dec 1927 8-Month	58.2°F (14.6°C)	59.0°F (15.0°C)	-0.8°F (-0.4°C)	38th Coolest	Coolest since: 1926	1917
	58.2°F (14.6°C)	59.0°F (15.0°C)	-0.8°F (-0.4°C)	91st Warmest	Warmest since: 1923	1931
	Ties: 1997
Apr–Dec 1927 9-Month	57.5°F (14.2°C)	58.2°F (14.6°C)	-0.7°F (-0.4°C)	37th Coolest	Coolest since: 1926	1917
	57.5°F (14.2°C)	58.2°F (14.6°C)	-0.7°F (-0.4°C)	92nd Warmest	Warmest since: 1923	1931
	Ties: 1902, 1937, 1958
Mar–Dec 1927 10-Month	56.0°F (13.3°C)	56.3°F (13.5°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1926	1917
	56.0°F (13.3°C)	56.3°F (13.5°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1923	2012
	Ties: 1916, 1944, 1968, 1982
Feb–Dec 1927 11-Month	54.1°F (12.3°C)	53.7°F (12.1°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1926	1917
	54.1°F (12.3°C)	53.7°F (12.1°C)	0.4°F (0.2°C)	53rd Warmest	Warmest since: 1922	2012
	Ties: 1963
Jan–Dec 1927 12-Month	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	76th Coolest	Coolest since: 1926	1917
	51.5°F (10.8°C)	51.2°F (10.7°C)	0.3°F (0.1°C)	53rd Warmest	Warmest since: 1923	2012
	Ties: 1923, 1928, 1932, 1948, 1957, 1981, 1994
Jul 1926–Dec 1927 18-Month	52.7°F (11.5°C)	52.9°F (11.6°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1926	1904
	52.7°F (11.5°C)	52.9°F (11.6°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1923	2012
	Ties: 1906, 1909, 1966, 1986, 1994, 2008, 2013
Jan 1926–Dec 1927 24-Month	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	42nd Coolest	Coolest since: 1926	1979
	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	86th Warmest	Warmest since: 1923	2017
	Ties: 1912, 1950, 1966, 1976, 1983
Jan 1925–Dec 1927 36-Month	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	37th Coolest	Coolest since: 1926	1905
	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest since: 1924	2017
	Ties: 1900, 1901, 1902, 1937, 1976, 1977, 1985, 1994, 2010
Jan 1924–Dec 1927 48-Month	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	14th Coolest	Coolest since: 1926	1905
	50.4°F (10.2°C)	51.2°F (10.7°C)	-0.8°F (-0.5°C)	112th Warmest	Warmest since: 1926	1934
	Ties: 1919, 1920, 1926, 1963, 1972, 1978, 1982
Jan 1923–Dec 1927 60-Month	50.6°F (10.3°C)	51.2°F (10.7°C)	-0.6°F (-0.4°C)	21st Coolest	Coolest since: 1920	1905
	50.6°F (10.3°C)	51.2°F (10.7°C)	-0.6°F (-0.4°C)	104th Warmest	Warmest since: 1926	1934
	Ties: 1903, 1928, 1961, 1963, 1983

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings