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 1973

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1973 1-Month	53.6°F (12.0°C)	55.3°F (12.9°C)	-1.7°F (-0.9°C)	29th Coolest	Coolest since: 1966	1907
	53.6°F (12.0°C)	55.3°F (12.9°C)	-1.7°F (-0.9°C)	100th Warmest	Warmest since: 1972	1896
	Ties: 1911, 1917, 1956, 1979
Mar–Apr 1973 2-Month	52.6°F (11.4°C)	50.0°F (10.0°C)	2.6°F (1.4°C)	102nd Coolest	Coolest since: 1972	1926, 1960
	52.6°F (11.4°C)	50.0°F (10.0°C)	2.6°F (1.4°C)	27th Warmest	Warmest since: 1967	2012
	Ties: 1905, 1942
Feb–Apr 1973 3-Month	46.7°F (8.2°C)	44.9°F (7.2°C)	1.8°F (1.0°C)	94th Coolest	Coolest since: 1972	1899
	46.7°F (8.2°C)	44.9°F (7.2°C)	1.8°F (1.0°C)	35th Warmest	Warmest since: 1967	2012
	Ties: 1953
Jan–Apr 1973 4-Month	43.2°F (6.2°C)	41.5°F (5.3°C)	1.7°F (0.9°C)	94th Coolest	Coolest since: 1972	1978
	43.2°F (6.2°C)	41.5°F (5.3°C)	1.7°F (0.9°C)	35th Warmest	Warmest since: 1967	2012
	Ties: 2004
Dec 1972–Apr 1973 5-Month	41.0°F (5.0°C)	40.1°F (4.5°C)	0.9°F (0.5°C)	76th Coolest	Coolest since: 1971	1978
Dec 1972–Apr 1973 5-Month	41.0°F (5.0°C)	40.1°F (4.5°C)	0.9°F (0.5°C)	52nd Warmest	Warmest since: 1972	2012
Nov 1972–Apr 1973 6-Month	41.0°F (5.0°C)	40.9°F (4.9°C)	0.1°F (0.1°C)	56th Coolest	Coolest since: 1971	1912
	41.0°F (5.0°C)	40.9°F (4.9°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1972	2012
	Ties: 1898, 1930, 1943, 1952, 1985, 2008
Oct 1972–Apr 1973 7-Month	42.9°F (6.1°C)	43.2°F (6.2°C)	-0.3°F (-0.1°C)	42nd Coolest	Coolest since: 1971	1899, 1978
	42.9°F (6.1°C)	43.2°F (6.2°C)	-0.3°F (-0.1°C)	86th Warmest	Warmest since: 1972	2012
	Ties: 1896, 1900, 1913
Sep 1972–Apr 1973 8-Month	46.4°F (8.0°C)	46.5°F (8.1°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1971	1918
	46.4°F (8.0°C)	46.5°F (8.1°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1972	2017
	Ties: 1933
Aug 1972–Apr 1973 9-Month	49.5°F (9.7°C)	49.7°F (9.8°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1970	1918
	49.5°F (9.7°C)	49.7°F (9.8°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1972	2017
	Ties: 1917, 1959
Jul 1972–Apr 1973 10-Month	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	36th Coolest	Coolest since: 1970	1918
	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest since: 1972	2012
	Ties: 1897, 1913, 1924, 1928, 1929, 1930, 1944, 1947, 1959, 1994
Jun 1972–Apr 1973 11-Month	54.0°F (12.2°C)	54.5°F (12.5°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1970	1918
	54.0°F (12.2°C)	54.5°F (12.5°C)	-0.5°F (-0.3°C)	89th Warmest	Warmest since: 1972	2012, 2017
	Ties: 1911
May 1972–Apr 1973 12-Month	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	42nd Coolest	Coolest since: 1970	1918
	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	86th Warmest	Warmest since: 1972	2012, 2017
	Ties: 1963, 1994, 2001
Nov 1971–Apr 1973 18-Month	50.8°F (10.4°C)	50.5°F (10.3°C)	0.3°F (0.1°C)	68th Coolest	Coolest since: 1971	1979
	50.8°F (10.4°C)	50.5°F (10.3°C)	0.3°F (0.1°C)	59th Warmest	Warmest since: 1972	2017
	Ties: 1897
May 1971–Apr 1973 24-Month	55.7°F (13.2°C)	55.3°F (12.9°C)	0.4°F (0.3°C)	78th Coolest	Coolest since: 1971	1978
	55.7°F (13.2°C)	55.3°F (12.9°C)	0.4°F (0.3°C)	49th Warmest	Warmest since: 1972	2017
	Ties: 1898, 1920, 1921, 1950, 1967, 1990, 1993
May 1970–Apr 1973 36-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1972	1979
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1957	2018
	Ties: 1925, 1945, 2016
May 1969–Apr 1973 48-Month	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	39th Coolest	Coolest since: 1972	1980
	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest since: 1967	2019
	Ties: 1928, 1931, 1951, 1960, 1984, 1997
May 1968–Apr 1973 60-Month	54.9°F (12.7°C)	55.3°F (12.9°C)	-0.4°F (-0.2°C)	22nd Coolest	Coolest since: 1972	1980, 1981
	54.9°F (12.7°C)	55.3°F (12.9°C)	-0.4°F (-0.2°C)	102nd Warmest	Warmest since: 1968	2020
	Ties: 1902, 1903, 1909, 1912, 1919, 1930, 1965, 1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings