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 1949

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1949 1-Month	53.7°F (12.1°C)	55.3°F (12.9°C)	-1.6°F (-0.8°C)	34th Coolest	Coolest since: 1944	1907
	53.7°F (12.1°C)	55.3°F (12.9°C)	-1.6°F (-0.8°C)	95th Warmest	Warmest since: 1948	1896
	Ties: 1944, 1990, 2007
Mar–Apr 1949 2-Month	48.6°F (9.2°C)	50.0°F (10.0°C)	-1.4°F (-0.8°C)	39th Coolest	Coolest since: 1947	1926, 1960
	48.6°F (9.2°C)	50.0°F (10.0°C)	-1.4°F (-0.8°C)	90th Warmest	Warmest since: 1948	2012
	Ties: 1934, 1952, 2014
Feb–Apr 1949 3-Month	44.8°F (7.1°C)	44.9°F (7.2°C)	-0.1°F (-0.1°C)	59th Coolest	Coolest since: 1947	1899
	44.8°F (7.1°C)	44.9°F (7.2°C)	-0.1°F (-0.1°C)	70th Warmest	Warmest since: 1948	2012
	Ties: 1929
Jan–Apr 1949 4-Month	42.2°F (5.7°C)	41.5°F (5.3°C)	0.7°F (0.4°C)	76th Coolest	Coolest since: 1948	1978
	42.2°F (5.7°C)	41.5°F (5.3°C)	0.7°F (0.4°C)	53rd Warmest	Warmest since: 1946	2012
	Ties: 1944
Dec 1948–Apr 1949 5-Month	41.3°F (5.2°C)	40.1°F (4.5°C)	1.2°F (0.7°C)	83rd Coolest	Coolest since: 1948	1978
	41.3°F (5.2°C)	40.1°F (4.5°C)	1.2°F (0.7°C)	45th Warmest	Warmest since: 1946	2012
	Ties: 1983
Nov 1948–Apr 1949 6-Month	42.1°F (5.6°C)	40.9°F (4.9°C)	1.2°F (0.7°C)	93rd Coolest	Coolest since: 1948	1912
	42.1°F (5.6°C)	40.9°F (4.9°C)	1.2°F (0.7°C)	35th Warmest	Warmest since: 1946	2012
	Ties: 1909, 1950, 1957
Oct 1948–Apr 1949 7-Month	43.8°F (6.6°C)	43.2°F (6.2°C)	0.6°F (0.4°C)	78th Coolest	Coolest since: 1948	1899, 1978
	43.8°F (6.6°C)	43.2°F (6.2°C)	0.6°F (0.4°C)	50th Warmest	Warmest since: 1946	2012
	Ties: 2019
Sep 1948–Apr 1949 8-Month	47.0°F (8.3°C)	46.5°F (8.1°C)	0.5°F (0.2°C)	80th Coolest	Coolest since: 1948	1918
	47.0°F (8.3°C)	46.5°F (8.1°C)	0.5°F (0.2°C)	48th Warmest	Warmest since: 1946	2017
	Ties: 1927, 1928, 1931, 1964, 1983
Aug 1948–Apr 1949 9-Month	50.2°F (10.1°C)	49.8°F (9.9°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1947	1918
	50.2°F (10.1°C)	49.8°F (9.9°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1948	2017
	Ties: 1910, 1989
Jul 1948–Apr 1949 10-Month	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1947	1918
	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1948	2012
	Ties: 1907, 1945, 1950
Jun 1948–Apr 1949 11-Month	54.8°F (12.7°C)	54.5°F (12.5°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1947	1918
	54.8°F (12.7°C)	54.5°F (12.5°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1948	2012, 2017
	Ties: 1910, 1964, 1985, 1986, 1988, 1990
May 1948–Apr 1949 12-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	61st Coolest	Coolest since: 1947	1918
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	67th Warmest	Warmest since: 1948	2012, 2017
	Ties: 1910, 1964
Nov 1947–Apr 1949 18-Month	50.4°F (10.2°C)	50.5°F (10.3°C)	-0.1°F (-0.1°C)	47th Coolest	Coolest since: 1941	1979
	50.4°F (10.2°C)	50.5°F (10.3°C)	-0.1°F (-0.1°C)	80th Warmest	Warmest since: 1948	2017
	Ties: 1907, 1917, 1927, 1984, 1993
May 1947–Apr 1949 24-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1948	1978
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1946	2017
	Ties: 1901, 1914, 1924, 1976, 1986
May 1946–Apr 1949 36-Month	55.4°F (13.0°C)	55.4°F (13.0°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1931	1979
	55.4°F (13.0°C)	55.4°F (13.0°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1948	2018
	Ties: 1910, 1911, 1958
May 1945–Apr 1949 48-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	57th Coolest	Coolest since: 1931	1980
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1948	2019
	Ties: 1910, 1916, 1950, 1967, 1987
May 1944–Apr 1949 60-Month	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1948	1980, 1981
	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1948	2020
	Ties: 1926, 1940, 1944, 1948, 1950, 1959, 1994

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings