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 8. Southwest

Average Temperature Rankings, April 1930

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1930 1-Month	59.0°F (15.0°C)	55.3°F (12.9°C)	3.7°F (2.1°C)	110th Coolest	Coolest since: 1929	1907
	59.0°F (15.0°C)	55.3°F (12.9°C)	3.7°F (2.1°C)	19th Warmest	Warmest since: 1925	1896
	Ties: 1946, 2012
Mar–Apr 1930 2-Month	51.0°F (10.6°C)	50.0°F (10.0°C)	1.0°F (0.6°C)	80th Coolest	Coolest since: 1928	1926, 1960
	51.0°F (10.6°C)	50.0°F (10.0°C)	1.0°F (0.6°C)	49th Warmest	Warmest since: 1929	2012
	Ties: 1918, 1919, 2015
Feb–Apr 1930 3-Month	48.5°F (9.2°C)	44.9°F (7.2°C)	3.6°F (2.0°C)	115th Coolest	Coolest since: 1929	1899
Feb–Apr 1930 3-Month	48.5°F (9.2°C)	44.9°F (7.2°C)	3.6°F (2.0°C)	14th Warmest	Warmest since: 1927	2012
Jan–Apr 1930 4-Month	42.5°F (5.8°C)	41.5°F (5.3°C)	1.0°F (0.5°C)	80th Coolest	Coolest since: 1929	1978
Jan–Apr 1930 4-Month	42.5°F (5.8°C)	41.5°F (5.3°C)	1.0°F (0.5°C)	49th Warmest	Warmest since: 1927	2012
Dec 1929–Apr 1930 5-Month	41.1°F (5.1°C)	40.0°F (4.4°C)	1.1°F (0.7°C)	78th Coolest	Coolest since: 1929	1978
	41.1°F (5.1°C)	40.0°F (4.4°C)	1.1°F (0.7°C)	50th Warmest	Warmest since: 1927	2012
	Ties: 1922
Nov 1929–Apr 1930 6-Month	41.0°F (5.0°C)	40.9°F (4.9°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1929	1912
	41.0°F (5.0°C)	40.9°F (4.9°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1927	2012
	Ties: 1898, 1943, 1952, 1973, 1985, 2008
Oct 1929–Apr 1930 7-Month	43.2°F (6.2°C)	43.3°F (6.3°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1926	1899, 1978
	43.2°F (6.2°C)	43.3°F (6.3°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1929	2012
	Ties: 1933
Sep 1929–Apr 1930 8-Month	46.2°F (7.9°C)	46.4°F (8.0°C)	-0.2°F (-0.1°C)	42nd Coolest	Coolest since: 1929	1918
	46.2°F (7.9°C)	46.4°F (8.0°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1928	2017
	Ties: 1913, 1956, 1959, 2003
Aug 1929–Apr 1930 9-Month	49.3°F (9.6°C)	49.7°F (9.8°C)	-0.4°F (-0.2°C)	36th Coolest	Coolest since: 1926	1918
	49.3°F (9.6°C)	49.7°F (9.8°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest since: 1929	2017
	Ties: 1924
Jul 1929–Apr 1930 10-Month	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	36th Coolest	Coolest since: 1929	1918
	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest since: 1929	2012
	Ties: 1897, 1913, 1924, 1928, 1929, 1944, 1947, 1959, 1973, 1994
Jun 1929–Apr 1930 11-Month	53.9°F (12.2°C)	54.5°F (12.5°C)	-0.6°F (-0.3°C)	36th Coolest	Coolest since: 1929	1918
	53.9°F (12.2°C)	54.5°F (12.5°C)	-0.6°F (-0.3°C)	92nd Warmest	Warmest since: 1928	2012, 2017
	Ties: 1928, 1959
May 1929–Apr 1930 12-Month	54.6°F (12.6°C)	55.4°F (13.0°C)	-0.8°F (-0.4°C)	27th Coolest	Coolest since: 1929	1918
	54.6°F (12.6°C)	55.4°F (13.0°C)	-0.8°F (-0.4°C)	101st Warmest	Warmest since: 1929	2012, 2017
	Ties: 1911, 1916, 1929
Nov 1928–Apr 1930 18-Month	49.9°F (9.9°C)	50.5°F (10.3°C)	-0.6°F (-0.4°C)	32nd Coolest	Coolest since: 1929	1979
	49.9°F (9.9°C)	50.5°F (10.3°C)	-0.6°F (-0.4°C)	95th Warmest	Warmest since: 1929	2017
	Ties: 1929, 1968, 1994
May 1928–Apr 1930 24-Month	54.6°F (12.6°C)	55.4°F (13.0°C)	-0.8°F (-0.4°C)	24th Coolest	Coolest since: 1919	1978
	54.6°F (12.6°C)	55.4°F (13.0°C)	-0.8°F (-0.4°C)	103rd Warmest	Warmest since: 1929	2017
	Ties: 1951, 1977, 1997
May 1927–Apr 1930 36-Month	54.6°F (12.6°C)	55.3°F (12.9°C)	-0.7°F (-0.3°C)	17th Coolest	Coolest since: 1920	1979
	54.6°F (12.6°C)	55.3°F (12.9°C)	-0.7°F (-0.3°C)	109th Warmest	Warmest since: 1929	2018
	Ties: 1912, 1919, 1960, 1963
May 1926–Apr 1930 48-Month	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	31st Coolest	Coolest since: 1929	1980
	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	94th Warmest	Warmest since: 1928	2019
	Ties: 1901, 1912, 1921, 1952, 1968, 1977, 1983
May 1925–Apr 1930 60-Month	54.9°F (12.7°C)	55.4°F (13.0°C)	-0.5°F (-0.3°C)	22nd Coolest	Coolest since: 1920	1980, 1981
	54.9°F (12.7°C)	55.4°F (13.0°C)	-0.5°F (-0.3°C)	102nd Warmest	Warmest since: 1929	2020
	Ties: 1902, 1903, 1909, 1912, 1919, 1965, 1973, 1984

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