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, April 1986

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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
April 1986 1-Month	56.2°F (13.4°C)	51.3°F (10.7°C)	4.9°F (2.7°C)	118th Coolest	Coolest since: 1984	2018
	56.2°F (13.4°C)	51.3°F (10.7°C)	4.9°F (2.7°C)	11th Warmest	Warmest since: 1985	2010
	Ties: 1948
Mar–Apr 1986 2-Month	49.7°F (9.8°C)	45.2°F (7.3°C)	4.5°F (2.5°C)	117th Coolest	Coolest since: 1984	1960
Mar–Apr 1986 2-Month	49.7°F (9.8°C)	45.2°F (7.3°C)	4.5°F (2.5°C)	12th Warmest	Warmest since: 1985	2012
Feb–Apr 1986 3-Month	41.4°F (5.2°C)	39.5°F (4.2°C)	1.9°F (1.0°C)	98th Coolest	Coolest since: 1985	1899
	41.4°F (5.2°C)	39.5°F (4.2°C)	1.9°F (1.0°C)	31st Warmest	Warmest since: 1985	2012
	Ties: 1935, 1955, 1957, 1985
Jan–Apr 1986 4-Month	37.9°F (3.3°C)	35.6°F (2.0°C)	2.3°F (1.3°C)	103rd Coolest	Coolest since: 1985	1912
	37.9°F (3.3°C)	35.6°F (2.0°C)	2.3°F (1.3°C)	26th Warmest	Warmest since: 1981	2012
	Ties: 1910, 1932, 1945, 1999
Dec 1985–Apr 1986 5-Month	34.1°F (1.2°C)	34.2°F (1.2°C)	-0.1°F (0.0°C)	59th Coolest	Coolest since: 1984	1978
	34.1°F (1.2°C)	34.2°F (1.2°C)	-0.1°F (0.0°C)	69th Warmest	Warmest since: 1985	2012
	Ties: 1910, 2019
Nov 1985–Apr 1986 6-Month	34.7°F (1.5°C)	35.2°F (1.8°C)	-0.5°F (-0.3°C)	46th Coolest	Coolest since: 1984	1904, 1912, 1978
	34.7°F (1.5°C)	35.2°F (1.8°C)	-0.5°F (-0.3°C)	82nd Warmest	Warmest since: 1985	2012
	Ties: 1898, 1948
Oct 1985–Apr 1986 7-Month	37.6°F (3.1°C)	37.9°F (3.3°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1984	1912
	37.6°F (3.1°C)	37.9°F (3.3°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1985	2012
	Ties: 1901, 1924, 2009
Sep 1985–Apr 1986 8-Month	41.2°F (5.1°C)	41.5°F (5.3°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1984	1904, 1978
	41.2°F (5.1°C)	41.5°F (5.3°C)	-0.3°F (-0.2°C)	81st Warmest	Warmest since: 1985	2017
	Ties: 1924, 1930, 2003, 2013, 2018
Aug 1985–Apr 1986 9-Month	44.4°F (6.9°C)	45.0°F (7.2°C)	-0.6°F (-0.3°C)	39th Coolest	Coolest since: 1982	1978
	44.4°F (6.9°C)	45.0°F (7.2°C)	-0.6°F (-0.3°C)	89th Warmest	Warmest since: 1985	2017
	Ties: 1952, 2018
Jul 1985–Apr 1986 10-Month	47.4°F (8.6°C)	48.1°F (8.9°C)	-0.7°F (-0.3°C)	36th Coolest	Coolest since: 1982	1904
	47.4°F (8.6°C)	48.1°F (8.9°C)	-0.7°F (-0.3°C)	92nd Warmest	Warmest since: 1985	2012
	Ties: 1940, 1944, 1952
Jun 1985–Apr 1986 11-Month	49.4°F (9.7°C)	50.3°F (10.2°C)	-0.9°F (-0.5°C)	32nd Coolest	Coolest since: 1982	1904
	49.4°F (9.7°C)	50.3°F (10.2°C)	-0.9°F (-0.5°C)	96th Warmest	Warmest since: 1985	2017
	Ties: 1929, 1965
May 1985–Apr 1986 12-Month	50.6°F (10.3°C)	51.3°F (10.7°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 1982	1918
	50.6°F (10.3°C)	51.3°F (10.7°C)	-0.7°F (-0.4°C)	94th Warmest	Warmest since: 1985	2017
	Ties: 1902, 1944, 1952, 1960, 1980, 2010
Nov 1984–Apr 1986 18-Month	45.7°F (7.6°C)	45.9°F (7.7°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1985	1979
	45.7°F (7.6°C)	45.9°F (7.7°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1984	2017
	Ties: 1941
May 1984–Apr 1986 24-Month	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	43rd Coolest	Coolest since: 1983	1905
	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1985	2017
	Ties: 1947, 1977, 1995, 1998
May 1983–Apr 1986 36-Month	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1984	1979
	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1985	2018
	Ties: 1908, 1929, 1975, 2011
May 1982–Apr 1986 48-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	64th Coolest	Coolest since: 1985	1980
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	61st Warmest	Warmest since: 1976	1935
	Ties: 1931, 1947, 1949, 2010, 2011
May 1981–Apr 1986 60-Month	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	28th Coolest	Coolest since: 1983	1906, 1979
	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	96th Warmest	Warmest since: 1985	1935
	Ties: 1902, 1913, 1928, 1964, 1965, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings