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, August 1949

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1949 1-Month	75.0°F (23.9°C)	76.0°F (24.4°C)	-1.0°F (-0.5°C)	40th Coolest	Coolest since: 1946	1915
	75.0°F (23.9°C)	76.0°F (24.4°C)	-1.0°F (-0.5°C)	89th Warmest	Warmest since: 1948	1936
	Ties: 1897, 2013
Jul–Aug 1949 2-Month	76.9°F (24.9°C)	76.9°F (24.9°C)	0.0°F (0.0°C)	67th Coolest	Coolest since: 1948	1967
	76.9°F (24.9°C)	76.9°F (24.9°C)	0.0°F (0.0°C)	62nd Warmest	Warmest since: 1947	1936
	Ties: 1903, 1925, 1944, 2000
Jun–Aug 1949 3-Month	76.3°F (24.6°C)	75.9°F (24.4°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1948	1915, 1927
	76.3°F (24.6°C)	75.9°F (24.4°C)	0.4°F (0.2°C)	51st Warmest	Warmest since: 1947	1936
	Ties: 1916, 1959, 1964, 1984
May–Aug 1949 4-Month	73.9°F (23.3°C)	73.2°F (22.9°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1948	1967
	73.9°F (23.3°C)	73.2°F (22.9°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 1944	1936
	Ties: 1916, 1955, 2015, 2019
Apr–Aug 1949 5-Month	69.9°F (21.1°C)	69.7°F (20.9°C)	0.2°F (0.2°C)	72nd Coolest	Coolest since: 1948	1907
	69.9°F (21.1°C)	69.7°F (20.9°C)	0.2°F (0.2°C)	57th Warmest	Warmest since: 1948	2010
	Ties: 1942, 1948, 1970, 2000
Mar–Aug 1949 6-Month	65.5°F (18.6°C)	65.5°F (18.6°C)	0.0°F (0.0°C)	60th Coolest	Coolest since: 1947	1904
	65.5°F (18.6°C)	65.5°F (18.6°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1948	2012
	Ties: 2003, 2009
Feb–Aug 1949 7-Month	61.5°F (16.4°C)	61.1°F (16.2°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1948	1904
	61.5°F (16.4°C)	61.1°F (16.2°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1946	2012
	Ties: 1919, 1973, 2004
Jan–Aug 1949 8-Month	58.0°F (14.4°C)	57.3°F (14.1°C)	0.7°F (0.3°C)	82nd Coolest	Coolest since: 1948	1912
	58.0°F (14.4°C)	57.3°F (14.1°C)	0.7°F (0.3°C)	47th Warmest	Warmest since: 1946	2012
	Ties: 1908, 1935, 1959, 1974
Dec 1948–Aug 1949 9-Month	55.8°F (13.2°C)	54.8°F (12.7°C)	1.0°F (0.5°C)	90th Coolest	Coolest since: 1948	1904
	55.8°F (13.2°C)	54.8°F (12.7°C)	1.0°F (0.5°C)	38th Warmest	Warmest since: 1946	2012
	Ties: 1939, 1946
Nov 1948–Aug 1949 10-Month	54.8°F (12.7°C)	53.8°F (12.1°C)	1.0°F (0.6°C)	94th Coolest	Coolest since: 1948	1904
	54.8°F (12.7°C)	53.8°F (12.1°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 1946	2012
	Ties: 1939, 1946, 1952, 1988, 2018
Oct 1948–Aug 1949 11-Month	54.8°F (12.7°C)	54.2°F (12.3°C)	0.6°F (0.4°C)	81st Coolest	Coolest since: 1948	1904
	54.8°F (12.7°C)	54.2°F (12.3°C)	0.6°F (0.4°C)	47th Warmest	Warmest since: 1946	2012
	Ties: 1901, 1911, 1933
Sep 1948–Aug 1949 12-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1948	1904
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	48th Warmest	Warmest since: 1946	2012
	Ties: 1913, 1935, 1943, 1952
Mar 1948–Aug 1949 18-Month	59.2°F (15.1°C)	58.7°F (14.8°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1948	1904
	59.2°F (15.1°C)	58.7°F (14.8°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1947	2012
	Ties: 1933, 1941, 1946, 1947, 2004
Sep 1947–Aug 1949 24-Month	55.7°F (13.2°C)	55.4°F (13.0°C)	0.3°F (0.2°C)	78th Coolest	Coolest since: 1948	1979
	55.7°F (13.2°C)	55.4°F (13.0°C)	0.3°F (0.2°C)	49th Warmest	Warmest since: 1947	2017
	Ties: 1972
Sep 1946–Aug 1949 36-Month	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1947	1979
	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 1948	2018
	Ties: 1898, 1911, 1937, 1953
Sep 1945–Aug 1949 48-Month	55.7°F (13.2°C)	55.3°F (12.9°C)	0.4°F (0.3°C)	74th Coolest	Coolest since: 1948	1980
	55.7°F (13.2°C)	55.3°F (12.9°C)	0.4°F (0.3°C)	51st Warmest	Warmest since: 1944	2019
	Ties: 1925, 1940, 1987, 1994, 2016
Sep 1944–Aug 1949 60-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1948	1906
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1946	2020
	Ties: 1922, 1940, 1950, 1959, 1975

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