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 5. East

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	72.5°F (22.5°C)	72.1°F (22.3°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1946	1915
August 1949 1-Month	72.5°F (22.5°C)	72.1°F (22.3°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1948	1947
Jul–Aug 1949 2-Month	74.9°F (23.8°C)	73.3°F (22.9°C)	1.6°F (0.9°C)	105th Coolest	Coolest since: 1948	1915
	74.9°F (23.8°C)	73.3°F (22.9°C)	1.6°F (0.9°C)	24th Warmest	Warmest since: 1947	1936
	Ties: 1938
Jun–Aug 1949 3-Month	74.4°F (23.6°C)	72.3°F (22.4°C)	2.1°F (1.2°C)	110th Coolest	Coolest since: 1948	1915
	74.4°F (23.6°C)	72.3°F (22.4°C)	2.1°F (1.2°C)	19th Warmest	Warmest since: 1943	1936
	Ties: 1943, 1952, 1953, 1959
May–Aug 1949 4-Month	71.5°F (21.9°C)	69.5°F (20.8°C)	2.0°F (1.1°C)	113th Coolest	Coolest since: 1948	1915
	71.5°F (21.9°C)	69.5°F (20.8°C)	2.0°F (1.1°C)	16th Warmest	Warmest since: 1944	1934
	Ties: 1913, 1995
Apr–Aug 1949 5-Month	67.0°F (19.4°C)	65.5°F (18.6°C)	1.5°F (0.8°C)	103rd Coolest	Coolest since: 1948	1907
	67.0°F (19.4°C)	65.5°F (18.6°C)	1.5°F (0.8°C)	26th Warmest	Warmest since: 1944	1991
	Ties: 1986, 2006, 2016, 2018
Mar–Aug 1949 6-Month	62.3°F (16.8°C)	61.0°F (16.1°C)	1.3°F (0.7°C)	105th Coolest	Coolest since: 1948	1904
	62.3°F (16.8°C)	61.0°F (16.1°C)	1.3°F (0.7°C)	24th Warmest	Warmest since: 1942	2012
	Ties: 1925, 1942, 1985, 2000
Feb–Aug 1949 7-Month	57.7°F (14.3°C)	56.2°F (13.4°C)	1.5°F (0.9°C)	105th Coolest	Coolest since: 1948	1904
	57.7°F (14.3°C)	56.2°F (13.4°C)	1.5°F (0.9°C)	24th Warmest	Warmest since: 1946	2012
	Ties: 1946, 1959, 1983
Jan–Aug 1949 8-Month	54.0°F (12.2°C)	52.2°F (11.2°C)	1.8°F (1.0°C)	107th Coolest	Coolest since: 1948	1904, 1912
	54.0°F (12.2°C)	52.2°F (11.2°C)	1.8°F (1.0°C)	22nd Warmest	Warmest since: 1938	2012
	Ties: 1931, 1952, 1983, 1999
Dec 1948–Aug 1949 9-Month	51.5°F (10.8°C)	49.5°F (9.7°C)	2.0°F (1.1°C)	108th Coolest	Coolest since: 1948	1904
	51.5°F (10.8°C)	49.5°F (9.7°C)	2.0°F (1.1°C)	20th Warmest	Warmest since: 1934	2012
	Ties: 1919, 1955, 2000, 2007
Nov 1948–Aug 1949 10-Month	50.6°F (10.3°C)	48.5°F (9.2°C)	2.1°F (1.1°C)	107th Coolest	Coolest since: 1948	1904
Nov 1948–Aug 1949 10-Month	50.6°F (10.3°C)	48.5°F (9.2°C)	2.1°F (1.1°C)	21st Warmest	Warmest since: 1932	2012
Oct 1948–Aug 1949 11-Month	50.7°F (10.4°C)	49.0°F (9.4°C)	1.7°F (1.0°C)	110th Coolest	Coolest since: 1948	1904
	50.7°F (10.4°C)	49.0°F (9.4°C)	1.7°F (1.0°C)	18th Warmest	Warmest since: 1932	2012
	Ties: 1955, 2007, 2010, 2022
Sep 1948–Aug 1949 12-Month	52.0°F (11.1°C)	50.3°F (10.2°C)	1.7°F (0.9°C)	108th Coolest	Coolest since: 1948	1904
	52.0°F (11.1°C)	50.3°F (10.2°C)	1.7°F (0.9°C)	20th Warmest	Warmest since: 1942	2012
	Ties: 1934, 1942, 2010
Mar 1948–Aug 1949 18-Month	55.2°F (12.9°C)	53.9°F (12.2°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1948	1904
	55.2°F (12.9°C)	53.9°F (12.2°C)	1.3°F (0.7°C)	26th Warmest	Warmest since: 1942	2012
	Ties: 2008, 2018
Sep 1947–Aug 1949 24-Month	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	97th Coolest	Coolest since: 1948	1905
	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	30th Warmest	Warmest since: 1942	2017
	Ties: 1935, 1939
Sep 1946–Aug 1949 36-Month	51.0°F (10.6°C)	50.3°F (10.2°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 1948	1904
	51.0°F (10.6°C)	50.3°F (10.2°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1943	2018
	Ties: 1939, 1942
Sep 1945–Aug 1949 48-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1948	1905
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	41st Warmest	Warmest since: 1944	2019
	Ties: 1941, 1944, 1954, 1975, 1976, 1986, 2011, 2015
Sep 1944–Aug 1949 60-Month	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1948	1906
	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	49th Warmest	Warmest since: 1945	2020
	Ties: 1937, 1944, 1945, 1950, 1954, 1959, 1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on May 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings