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 1930

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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
April 1930 1-Month	55.2°F (12.9°C)	51.3°F (10.7°C)	3.9°F (2.2°C)	111th Coolest	Coolest since: 1929	2018
April 1930 1-Month	55.2°F (12.9°C)	51.3°F (10.7°C)	3.9°F (2.2°C)	19th Warmest	Warmest since: 1925	2010
Mar–Apr 1930 2-Month	47.0°F (8.3°C)	45.2°F (7.3°C)	1.8°F (1.0°C)	92nd Coolest	Coolest since: 1928	1960
Mar–Apr 1930 2-Month	47.0°F (8.3°C)	45.2°F (7.3°C)	1.8°F (1.0°C)	38th Warmest	Warmest since: 1929	2012
Feb–Apr 1930 3-Month	44.0°F (6.7°C)	39.5°F (4.2°C)	4.5°F (2.5°C)	119th Coolest	Coolest since: 1929	1899
Feb–Apr 1930 3-Month	44.0°F (6.7°C)	39.5°F (4.2°C)	4.5°F (2.5°C)	11th Warmest	Warmest since: 1925	2012
Jan–Apr 1930 4-Month	37.0°F (2.8°C)	35.6°F (2.0°C)	1.4°F (0.8°C)	88th Coolest	Coolest since: 1929	1912
	37.0°F (2.8°C)	35.6°F (2.0°C)	1.4°F (0.8°C)	42nd Warmest	Warmest since: 1927	2012
	Ties: 1911, 1964
Dec 1929–Apr 1930 5-Month	35.2°F (1.8°C)	34.2°F (1.2°C)	1.0°F (0.6°C)	86th Coolest	Coolest since: 1929	1978
	35.2°F (1.8°C)	34.2°F (1.2°C)	1.0°F (0.6°C)	43rd Warmest	Warmest since: 1927	2012
	Ties: 1914, 1967
Nov 1929–Apr 1930 6-Month	35.2°F (1.8°C)	35.2°F (1.8°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1929	1904, 1912, 1978
	35.2°F (1.8°C)	35.2°F (1.8°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1928	2012
	Ties: 1897, 1913, 1923, 1972
Oct 1929–Apr 1930 7-Month	37.8°F (3.2°C)	37.9°F (3.3°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1929	1912
	37.8°F (3.2°C)	37.9°F (3.3°C)	-0.1°F (-0.1°C)	80th Warmest	Warmest since: 1929	2012
	Ties: 1916, 1929, 1952, 1968, 1973, 1988, 1989, 2011
Sep 1929–Apr 1930 8-Month	41.2°F (5.1°C)	41.5°F (5.3°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1929	1904, 1978
	41.2°F (5.1°C)	41.5°F (5.3°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1928	2017
	Ties: 1924, 1986, 2003, 2013, 2018
Aug 1929–Apr 1930 9-Month	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1929	1978
	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1928	2017
	Ties: 1984, 2010
Jul 1929–Apr 1930 10-Month	47.7°F (8.7°C)	48.1°F (8.9°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1929	1904
	47.7°F (8.7°C)	48.1°F (8.9°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1929	2012
	Ties: 1917, 1929, 2019
Jun 1929–Apr 1930 11-Month	49.7°F (9.8°C)	50.3°F (10.2°C)	-0.6°F (-0.4°C)	41st Coolest	Coolest since: 1929	1904
	49.7°F (9.8°C)	50.3°F (10.2°C)	-0.6°F (-0.4°C)	88th Warmest	Warmest since: 1928	2017
	Ties: 1940, 1943, 1971, 2009
May 1929–Apr 1930 12-Month	50.5°F (10.3°C)	51.3°F (10.7°C)	-0.8°F (-0.4°C)	29th Coolest	Coolest since: 1929	1918
	50.5°F (10.3°C)	51.3°F (10.7°C)	-0.8°F (-0.4°C)	100th Warmest	Warmest since: 1929	2017
	Ties: 1911, 1929, 1958, 2009
Nov 1928–Apr 1930 18-Month	45.2°F (7.3°C)	45.9°F (7.7°C)	-0.7°F (-0.4°C)	30th Coolest	Coolest since: 1918	1979
	45.2°F (7.3°C)	45.9°F (7.7°C)	-0.7°F (-0.4°C)	98th Warmest	Warmest since: 1929	2017
	Ties: 1917, 1944, 1968, 1969, 2009
May 1928–Apr 1930 24-Month	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1927	1905
	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1929	2017
	Ties: 1927, 1951, 1983, 2010
May 1927–Apr 1930 36-Month	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	33rd Coolest	Coolest since: 1928	1979
	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	94th Warmest	Warmest since: 1929	2018
	Ties: 1928, 1972, 1984
May 1926–Apr 1930 48-Month	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	36th Coolest	Coolest since: 1929	1980
	50.9°F (10.5°C)	51.2°F (10.7°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest since: 1926	1935
	Ties: 1901, 1926, 1953, 1977, 1985, 1998
May 1925–Apr 1930 60-Month	50.6°F (10.3°C)	51.2°F (10.7°C)	-0.6°F (-0.4°C)	18th Coolest	Coolest since: 1920	1906, 1979
	50.6°F (10.3°C)	51.2°F (10.7°C)	-0.6°F (-0.4°C)	107th Warmest	Warmest since: 1929	1935
	Ties: 1983

Citing This Page

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