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 1926

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1926 1-Month	50.1°F (10.1°C)	55.3°F (12.9°C)	-5.2°F (-2.8°C)	5th Coolest	Coolest since: 1907	1907
April 1926 1-Month	50.1°F (10.1°C)	55.3°F (12.9°C)	-5.2°F (-2.8°C)	124th Warmest	Warmest since: 1925	1896
Mar–Apr 1926 2-Month	44.4°F (6.9°C)	49.9°F (9.9°C)	-5.5°F (-3.0°C)	1st Coolest	Coolest since: 1926	1926, 1960
	44.4°F (6.9°C)	49.9°F (9.9°C)	-5.5°F (-3.0°C)	128th Warmest	Warmest since: 1925	2012
	Ties: 1960
Feb–Apr 1926 3-Month	42.6°F (5.9°C)	44.9°F (7.2°C)	-2.3°F (-1.3°C)	22nd Coolest	Coolest since: 1923	1899
	42.6°F (5.9°C)	44.9°F (7.2°C)	-2.3°F (-1.3°C)	107th Warmest	Warmest since: 1925	2012
	Ties: 1982
Jan–Apr 1926 4-Month	40.2°F (4.6°C)	41.5°F (5.3°C)	-1.3°F (-0.7°C)	35th Coolest	Coolest since: 1924	1978
	40.2°F (4.6°C)	41.5°F (5.3°C)	-1.3°F (-0.7°C)	94th Warmest	Warmest since: 1925	2012
	Ties: 1937, 1951, 1985, 2018
Dec 1925–Apr 1926 5-Month	38.6°F (3.7°C)	40.1°F (4.5°C)	-1.5°F (-0.8°C)	24th Coolest	Coolest since: 1920	1978
	38.6°F (3.7°C)	40.1°F (4.5°C)	-1.5°F (-0.8°C)	104th Warmest	Warmest since: 1925	2012
	Ties: 1915, 1960, 1969
Nov 1925–Apr 1926 6-Month	39.3°F (4.1°C)	40.9°F (4.9°C)	-1.6°F (-0.8°C)	24th Coolest	Coolest since: 1920	1912
	39.3°F (4.1°C)	40.9°F (4.9°C)	-1.6°F (-0.8°C)	104th Warmest	Warmest since: 1925	2012
	Ties: 2001
Oct 1925–Apr 1926 7-Month	40.7°F (4.8°C)	43.2°F (6.2°C)	-2.5°F (-1.4°C)	11th Coolest	Coolest since: 1918	1899, 1978
	40.7°F (4.8°C)	43.2°F (6.2°C)	-2.5°F (-1.4°C)	117th Warmest	Warmest since: 1925	2012
	Ties: 1970
Sep 1925–Apr 1926 8-Month	45.1°F (7.3°C)	46.5°F (8.1°C)	-1.4°F (-0.8°C)	21st Coolest	Coolest since: 1918	1918
	45.1°F (7.3°C)	46.5°F (8.1°C)	-1.4°F (-0.8°C)	107th Warmest	Warmest since: 1925	2017
	Ties: 1963, 1969
Aug 1925–Apr 1926 9-Month	48.6°F (9.2°C)	49.8°F (9.9°C)	-1.2°F (-0.7°C)	23rd Coolest	Coolest since: 1920	1918
	48.6°F (9.2°C)	49.8°F (9.9°C)	-1.2°F (-0.7°C)	105th Warmest	Warmest since: 1925	2017
	Ties: 1969, 1975, 1996
Jul 1925–Apr 1926 10-Month	51.5°F (10.8°C)	52.6°F (11.4°C)	-1.1°F (-0.6°C)	25th Coolest	Coolest since: 1918	1918
	51.5°F (10.8°C)	52.6°F (11.4°C)	-1.1°F (-0.6°C)	103rd Warmest	Warmest since: 1925	2012
	Ties: 1962, 1996
Jun 1925–Apr 1926 11-Month	53.8°F (12.1°C)	54.5°F (12.5°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1920	1918
	53.8°F (12.1°C)	54.5°F (12.5°C)	-0.7°F (-0.4°C)	96th Warmest	Warmest since: 1925	2012, 2017
	Ties: 1920, 1984, 2001
May 1925–Apr 1926 12-Month	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	23rd Coolest	Coolest since: 1920	1918
	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	105th Warmest	Warmest since: 1925	2012, 2017
	Ties: 1920, 1984, 2015
Nov 1924–Apr 1926 18-Month	50.6°F (10.3°C)	50.5°F (10.3°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 1925	1979
	50.6°F (10.3°C)	50.5°F (10.3°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1925	2017
	Ties: 1921, 1925, 1948, 1998, 2009
May 1924–Apr 1926 24-Month	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	32nd Coolest	Coolest since: 1919	1978
	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1925	2017
	Ties: 1911, 1937, 1985
May 1923–Apr 1926 36-Month	54.9°F (12.7°C)	55.3°F (12.9°C)	-0.4°F (-0.2°C)	30th Coolest	Coolest since: 1920	1979
	54.9°F (12.7°C)	55.3°F (12.9°C)	-0.4°F (-0.2°C)	96th Warmest	Warmest since: 1925	2018
	Ties: 1951, 1968
May 1922–Apr 1926 48-Month	55.3°F (12.9°C)	55.4°F (13.0°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1921	1980
	55.3°F (12.9°C)	55.4°F (13.0°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1925	2019
	Ties: 1903, 1909, 1915, 1953, 1986, 1998
May 1921–Apr 1926 60-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1922	1980, 1981
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	54th Warmest	Warmest since: 1925	2020
	Ties: 1940, 1944, 1948, 1949, 1950, 1959, 1994

Citing This Page

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