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 1897

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1897 1-Month	50.1°F (10.1°C)	51.3°F (10.7°C)	-1.2°F (-0.6°C)	41st Coolest	Coolest since: 1897	2018
	50.1°F (10.1°C)	51.3°F (10.7°C)	-1.2°F (-0.6°C)	88th Warmest	Warmest since: 1896	2010
	Ties: 1973
Mar–Apr 1897 2-Month	43.8°F (6.6°C)	45.2°F (7.3°C)	-1.4°F (-0.7°C)	40th Coolest	Coolest since: 1897	1960
	43.8°F (6.6°C)	45.2°F (7.3°C)	-1.4°F (-0.7°C)	89th Warmest	Warmest since: 1896	2012
	Ties: 1958
Feb–Apr 1897 3-Month	39.1°F (3.9°C)	39.5°F (4.2°C)	-0.4°F (-0.3°C)	54th Coolest	Coolest since: 1895	1899
	39.1°F (3.9°C)	39.5°F (4.2°C)	-0.4°F (-0.3°C)	75th Warmest	Warmest since: 1896	2012
	Ties: 1909, 1939, 1941, 1956
Jan–Apr 1897 4-Month	34.9°F (1.6°C)	35.6°F (2.0°C)	-0.7°F (-0.4°C)	51st Coolest	Coolest since: 1895	1912
	34.9°F (1.6°C)	35.6°F (2.0°C)	-0.7°F (-0.4°C)	78th Warmest	Warmest since: 1896	2012
	Ties: 1906
Dec 1896–Apr 1897 5-Month	34.7°F (1.5°C)	34.2°F (1.2°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1897	1978
	34.7°F (1.5°C)	34.2°F (1.2°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1896	2012
	Ties: 1909, 1911, 1948, 1949
Nov 1896–Apr 1897 6-Month	35.2°F (1.8°C)	35.2°F (1.8°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1897	1904, 1912, 1978
	35.2°F (1.8°C)	35.2°F (1.8°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1896	2012
	Ties: 1913, 1923, 1930, 1972
Oct 1896–Apr 1897 7-Month	37.3°F (2.9°C)	37.9°F (3.3°C)	-0.6°F (-0.4°C)	39th Coolest	Coolest since: 1897	1912
	37.3°F (2.9°C)	37.9°F (3.3°C)	-0.6°F (-0.4°C)	89th Warmest	Warmest since: 1896	2012
	Ties: 1971, 2003, 2018
Sep 1896–Apr 1897 8-Month	40.4°F (4.7°C)	41.5°F (5.3°C)	-1.1°F (-0.6°C)	33rd Coolest	Coolest since: 1897	1904, 1978
Sep 1896–Apr 1897 8-Month	40.4°F (4.7°C)	41.5°F (5.3°C)	-1.1°F (-0.6°C)	95th Warmest	Warmest since: 1896	2017
Aug 1896–Apr 1897 9-Month	44.1°F (6.7°C)	45.0°F (7.2°C)	-0.9°F (-0.5°C)	31st Coolest	Coolest since: 1897	1978
	44.1°F (6.7°C)	45.0°F (7.2°C)	-0.9°F (-0.5°C)	97th Warmest	Warmest since: 1896	2017
	Ties: 1940, 1944, 2001
Jul 1896–Apr 1897 10-Month	47.3°F (8.5°C)	48.1°F (8.9°C)	-0.8°F (-0.4°C)	33rd Coolest	Coolest since: 1897	1904
	47.3°F (8.5°C)	48.1°F (8.9°C)	-0.8°F (-0.4°C)	95th Warmest	Warmest since: 1896	2012
	Ties: 1958, 1980
Jun 1896–Apr 1897 11-Month	49.5°F (9.7°C)	50.3°F (10.2°C)	-0.8°F (-0.5°C)	35th Coolest	Coolest since: 1897	1904
	49.5°F (9.7°C)	50.3°F (10.2°C)	-0.8°F (-0.5°C)	93rd Warmest	Warmest since: 1896	2017
	Ties: 1958, 2010
May 1896–Apr 1897 12-Month	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest since: 1897	1918
	51.1°F (10.6°C)	51.2°F (10.7°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1896	2017
	Ties: 1924, 1928, 1940, 1973, 1984
Nov 1895–Apr 1897 18-Month	46.2°F (7.9°C)	45.9°F (7.7°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1897	1979
	46.2°F (7.9°C)	45.9°F (7.7°C)	0.3°F (0.2°C)	54th Warmest	Warmest to Date	2017
	Ties: 1898, 1946
May 1895–Apr 1897 24-Month	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1897	1905
	51.4°F (10.8°C)	51.2°F (10.7°C)	0.2°F (0.1°C)	58th Warmest	Warmest to Date	2017
	Ties: 1898, 1910, 1964, 1965, 1967, 2009

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published November 2022, retrieved on December 5, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings