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, February 1987

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
February 1987 1-Month	36.3°F (2.4°C)	28.1°F (-2.2°C)	8.2°F (4.6°C)	121st Coolest	Coolest since: 1986	1936
February 1987 1-Month	36.3°F (2.4°C)	28.1°F (-2.2°C)	8.2°F (4.6°C)	9th Warmest	Warmest since: 1976	2017
Jan–Feb 1987 2-Month	31.1°F (-0.5°C)	26.0°F (-3.3°C)	5.1°F (2.8°C)	114th Coolest	Coolest since: 1986	1979
Jan–Feb 1987 2-Month	31.1°F (-0.5°C)	26.0°F (-3.3°C)	5.1°F (2.8°C)	16th Warmest	Warmest since: 1954	2017
Dec 1986–Feb 1987 3-Month	31.2°F (-0.4°C)	26.8°F (-2.9°C)	4.4°F (2.5°C)	113th Coolest	Coolest since: 1986	1936
	31.2°F (-0.4°C)	26.8°F (-2.9°C)	4.4°F (2.5°C)	16th Warmest	Warmest since: 1983	1932
	Ties: 1999
Nov 1986–Feb 1987 4-Month	32.4°F (0.2°C)	30.1°F (-1.1°C)	2.3°F (1.3°C)	102nd Coolest	Coolest since: 1986	1936
	32.4°F (0.2°C)	30.1°F (-1.1°C)	2.3°F (1.3°C)	27th Warmest	Warmest since: 1983	1932
	Ties: 1909
Oct 1986–Feb 1987 5-Month	36.9°F (2.7°C)	35.0°F (1.7°C)	1.9°F (1.0°C)	103rd Coolest	Coolest since: 1986	1977
	36.9°F (2.7°C)	35.0°F (1.7°C)	1.9°F (1.0°C)	26th Warmest	Warmest since: 1983	1932
	Ties: 1935, 1953
Sep 1986–Feb 1987 6-Month	42.2°F (5.7°C)	40.2°F (4.6°C)	2.0°F (1.1°C)	108th Coolest	Coolest since: 1986	1977
	42.2°F (5.7°C)	40.2°F (4.6°C)	2.0°F (1.1°C)	21st Warmest	Warmest since: 1983	1932
	Ties: 1934, 2020, 2022
Aug 1986–Feb 1987 7-Month	46.0°F (7.8°C)	45.0°F (7.2°C)	1.0°F (0.6°C)	89th Coolest	Coolest since: 1986	1977
	46.0°F (7.8°C)	45.0°F (7.2°C)	1.0°F (0.6°C)	40th Warmest	Warmest since: 1983	1932
	Ties: 1922, 1949, 1953, 1961, 1964, 1974, 1981
Jul 1986–Feb 1987 8-Month	50.0°F (10.0°C)	48.9°F (9.4°C)	1.1°F (0.6°C)	96th Coolest	Coolest since: 1986	1977
	50.0°F (10.0°C)	48.9°F (9.4°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 1983	1932
	Ties: 1909, 1941, 1948, 2005
Jun 1986–Feb 1987 9-Month	52.6°F (11.4°C)	51.4°F (10.8°C)	1.2°F (0.6°C)	96th Coolest	Coolest since: 1986	1977
	52.6°F (11.4°C)	51.4°F (10.8°C)	1.2°F (0.6°C)	33rd Warmest	Warmest since: 1976	1932
	Ties: 1941
May 1986–Feb 1987 10-Month	53.7°F (12.1°C)	52.5°F (11.4°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 1986	1918
	53.7°F (12.1°C)	52.5°F (11.4°C)	1.2°F (0.7°C)	32nd Warmest	Warmest since: 1983	1932
	Ties: 2022
Apr 1986–Feb 1987 11-Month	53.9°F (12.2°C)	52.4°F (11.3°C)	1.5°F (0.9°C)	109th Coolest	Coolest since: 1986	1918
	53.9°F (12.2°C)	52.4°F (11.3°C)	1.5°F (0.9°C)	20th Warmest	Warmest since: 1954	1932
	Ties: 1950
Mar 1986–Feb 1987 12-Month	53.0°F (11.7°C)	51.2°F (10.7°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 1986	1918
Mar 1986–Feb 1987 12-Month	53.0°F (11.7°C)	51.2°F (10.7°C)	1.8°F (1.0°C)	18th Warmest	Warmest since: 1954	2017
Sep 1985–Feb 1987 18-Month	48.2°F (9.0°C)	47.5°F (8.6°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 1986	1905
	48.2°F (9.0°C)	47.5°F (8.6°C)	0.7°F (0.4°C)	41st Warmest	Warmest since: 1984	2017
	Ties: 1909, 1989
Mar 1985–Feb 1987 24-Month	51.9°F (11.1°C)	51.2°F (10.7°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 1986	1905
	51.9°F (11.1°C)	51.2°F (10.7°C)	0.7°F (0.4°C)	38th Warmest	Warmest since: 1965	2017
	Ties: 1990, 1993, 2019
Mar 1984–Feb 1987 36-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	66th Coolest	Coolest since: 1986	1979
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	61st Warmest	Warmest since: 1983	2018
	Ties: 1911, 1914, 1951, 1975, 1983
Mar 1983–Feb 1987 48-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1986	1905, 1980
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	70th Warmest	Warmest since: 1984	1934, 1935, 2019
	Ties: 1909, 1947, 1948, 1959, 1974, 1975, 1984, 1995
Mar 1982–Feb 1987 60-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1986	1905
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1976	1935
	Ties: 1922, 1947, 1949, 1951, 1955, 1976, 1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings