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 1973

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1973 1-Month	50.1°F (10.1°C)	51.3°F (10.7°C)	-1.2°F (-0.6°C)	41st Coolest	Coolest since: 1966	2018
	50.1°F (10.1°C)	51.3°F (10.7°C)	-1.2°F (-0.6°C)	88th Warmest	Warmest since: 1972	2010
	Ties: 1897
Mar–Apr 1973 2-Month	48.2°F (9.0°C)	45.2°F (7.3°C)	3.0°F (1.7°C)	101st Coolest	Coolest since: 1972	1960
Mar–Apr 1973 2-Month	48.2°F (9.0°C)	45.2°F (7.3°C)	3.0°F (1.7°C)	28th Warmest	Warmest since: 1963	2012
Feb–Apr 1973 3-Month	42.1°F (5.6°C)	39.5°F (4.2°C)	2.6°F (1.4°C)	101st Coolest	Coolest since: 1972	1899
Feb–Apr 1973 3-Month	42.1°F (5.6°C)	39.5°F (4.2°C)	2.6°F (1.4°C)	28th Warmest	Warmest since: 1954	2012
Jan–Apr 1973 4-Month	38.4°F (3.6°C)	35.6°F (2.0°C)	2.8°F (1.6°C)	108th Coolest	Coolest since: 1972	1912
Jan–Apr 1973 4-Month	38.4°F (3.6°C)	35.6°F (2.0°C)	2.8°F (1.6°C)	21st Warmest	Warmest since: 1954	2012
Dec 1972–Apr 1973 5-Month	35.5°F (1.9°C)	34.2°F (1.2°C)	1.3°F (0.7°C)	91st Coolest	Coolest since: 1972	1978
Dec 1972–Apr 1973 5-Month	35.5°F (1.9°C)	34.2°F (1.2°C)	1.3°F (0.7°C)	37th Warmest	Warmest since: 1955	2012
Nov 1972–Apr 1973 6-Month	35.7°F (2.1°C)	35.2°F (1.8°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1972	1904, 1912, 1978
	35.7°F (2.1°C)	35.2°F (1.8°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1967	2012
	Ties: 1927, 1933
Oct 1972–Apr 1973 7-Month	37.8°F (3.2°C)	37.9°F (3.3°C)	-0.1°F (-0.1°C)	49th Coolest	Coolest since: 1971	1912
	37.8°F (3.2°C)	37.9°F (3.3°C)	-0.1°F (-0.1°C)	79th Warmest	Warmest since: 1972	2012
	Ties: 1916, 1929, 1930, 1952, 1968, 1988, 1989, 2011
Sep 1972–Apr 1973 8-Month	41.5°F (5.3°C)	41.5°F (5.3°C)	0.0°F (0.0°C)	64th Coolest	Coolest since: 1971	1904, 1978
	41.5°F (5.3°C)	41.5°F (5.3°C)	0.0°F (0.0°C)	64th Warmest	Warmest since: 1972	2017
	Ties: 1903, 1910, 1916
Aug 1972–Apr 1973 9-Month	45.1°F (7.3°C)	45.0°F (7.2°C)	0.1°F (0.1°C)	63rd Coolest	Coolest since: 1971	1978
Aug 1972–Apr 1973 9-Month	45.1°F (7.3°C)	45.0°F (7.2°C)	0.1°F (0.1°C)	65th Warmest	Warmest since: 1972	2017
Jul 1972–Apr 1973 10-Month	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	52nd Coolest	Coolest since: 1971	1904
	48.0°F (8.9°C)	48.1°F (8.9°C)	-0.1°F (0.0°C)	76th Warmest	Warmest since: 1972	2012
	Ties: 1900, 1924
Jun 1972–Apr 1973 11-Month	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	47th Coolest	Coolest since: 1971	1904
	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	81st Warmest	Warmest since: 1972	2017
	Ties: 1906, 1911, 2018
May 1972–Apr 1973 12-Month	51.1°F (10.6°C)	51.3°F (10.7°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1971	1918
	51.1°F (10.6°C)	51.3°F (10.7°C)	-0.2°F (-0.1°C)	75th Warmest	Warmest since: 1972	2017
	Ties: 1897, 1924, 1928, 1940, 1984
Nov 1971–Apr 1973 18-Month	45.8°F (7.7°C)	45.9°F (7.7°C)	-0.1°F (0.0°C)	53rd Coolest	Coolest since: 1971	1979
	45.8°F (7.7°C)	45.9°F (7.7°C)	-0.1°F (0.0°C)	74th Warmest	Warmest since: 1972	2017
	Ties: 1911, 1924, 1964, 1966
May 1971–Apr 1973 24-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1972	1905
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 1972	2017
	Ties: 1948, 1953, 1966, 1972, 1985, 1993
May 1970–Apr 1973 36-Month	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1972	1979
	51.2°F (10.7°C)	51.2°F (10.7°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1967	2018
	Ties: 1902, 1909, 1914, 1938, 1945, 1965, 1967
May 1969–Apr 1973 48-Month	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	30th Coolest	Coolest since: 1972	1980
	50.8°F (10.4°C)	51.2°F (10.7°C)	-0.4°F (-0.3°C)	95th Warmest	Warmest since: 1968	1935
	Ties: 1899, 1952, 1964, 1965, 1968
May 1968–Apr 1973 60-Month	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	20th Coolest	Coolest since: 1972	1906, 1979
	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	104th Warmest	Warmest since: 1969	1935
	Ties: 1903, 1909, 1912, 1918, 1919, 1929, 1969

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings