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, July 1949

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1949 1-Month	78.9°F (26.1°C)	77.9°F (25.5°C)	1.0°F (0.6°C)	92nd Coolest	Coolest since: 1948	2014
July 1949 1-Month	78.9°F (26.1°C)	77.9°F (25.5°C)	1.0°F (0.6°C)	37th Warmest	Warmest since: 1943	2012
Jun–Jul 1949 2-Month	77.0°F (25.0°C)	75.9°F (24.4°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 1948	1904, 1927
	77.0°F (25.0°C)	75.9°F (24.4°C)	1.1°F (0.6°C)	34th Warmest	Warmest since: 1944	1934
	Ties: 1977, 1993, 2015, 2017
May–Jul 1949 3-Month	73.6°F (23.1°C)	72.3°F (22.4°C)	1.3°F (0.7°C)	98th Coolest	Coolest since: 1948	1924
	73.6°F (23.1°C)	72.3°F (22.4°C)	1.3°F (0.7°C)	31st Warmest	Warmest since: 1944	1934
	Ties: 1896, 1922, 1954
Apr–Jul 1949 4-Month	68.6°F (20.3°C)	68.1°F (20.1°C)	0.5°F (0.2°C)	80th Coolest	Coolest since: 1948	1907
	68.6°F (20.3°C)	68.1°F (20.1°C)	0.5°F (0.2°C)	49th Warmest	Warmest since: 1944	2012
	Ties: 1902, 1931, 2007
Mar–Jul 1949 5-Month	63.6°F (17.6°C)	63.4°F (17.4°C)	0.2°F (0.2°C)	63rd Coolest	Coolest since: 1947	1960
	63.6°F (17.6°C)	63.4°F (17.4°C)	0.2°F (0.2°C)	66th Warmest	Warmest since: 1948	2012
	Ties: 1932, 1995
Feb–Jul 1949 6-Month	59.2°F (15.1°C)	58.6°F (14.8°C)	0.6°F (0.3°C)	79th Coolest	Coolest since: 1948	1947
	59.2°F (15.1°C)	58.6°F (14.8°C)	0.6°F (0.3°C)	50th Warmest	Warmest since: 1946	2012
	Ties: 1919
Jan–Jul 1949 7-Month	55.6°F (13.1°C)	54.7°F (12.6°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1948	1912
	55.6°F (13.1°C)	54.7°F (12.6°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1946	2012
	Ties: 1914, 1922, 2022
Dec 1948–Jul 1949 8-Month	53.4°F (11.9°C)	52.2°F (11.2°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 1948	1978
	53.4°F (11.9°C)	52.2°F (11.2°C)	1.2°F (0.7°C)	33rd Warmest	Warmest since: 1946	2012
	Ties: 1930, 1939, 1941, 2019
Nov 1948–Jul 1949 9-Month	52.6°F (11.4°C)	51.3°F (10.7°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 1948	1904, 1912
	52.6°F (11.4°C)	51.3°F (10.7°C)	1.3°F (0.7°C)	29th Warmest	Warmest since: 1946	2012
	Ties: 1922, 1938, 1939, 1955, 1992
Oct 1948–Jul 1949 10-Month	52.7°F (11.5°C)	52.0°F (11.1°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 1948	1904, 1912
	52.7°F (11.5°C)	52.0°F (11.1°C)	0.7°F (0.4°C)	45th Warmest	Warmest since: 1946	2012
	Ties: 1933, 2021
Sep 1948–Jul 1949 11-Month	54.3°F (12.4°C)	53.5°F (11.9°C)	0.8°F (0.5°C)	86th Coolest	Coolest since: 1948	1904
	54.3°F (12.4°C)	53.5°F (11.9°C)	0.8°F (0.5°C)	42nd Warmest	Warmest since: 1946	2012
	Ties: 1919, 1938, 1952, 1964, 1976
Aug 1948–Jul 1949 12-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	82nd Coolest	Coolest since: 1948	1904
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	46th Warmest	Warmest since: 1948	2012
	Ties: 1911, 1933, 1935, 1948, 1952, 1964, 2010
Feb 1948–Jul 1949 18-Month	57.0°F (13.9°C)	56.5°F (13.6°C)	0.5°F (0.3°C)	85th Coolest	Coolest since: 1948	1918, 1979
	57.0°F (13.9°C)	56.5°F (13.6°C)	0.5°F (0.3°C)	43rd Warmest	Warmest since: 1946	2012
	Ties: 1909, 1956, 1995, 2004
Aug 1947–Jul 1949 24-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	88th Coolest	Coolest since: 1948	1979
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	39th Warmest	Warmest since: 1943	2017
	Ties: 1921, 1957, 1986, 2009
Aug 1946–Jul 1949 36-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	67th Coolest	Coolest since: 1947	1979
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	59th Warmest	Warmest since: 1948	2018
	Ties: 1909, 1924, 1937, 1973, 1990
Aug 1945–Jul 1949 48-Month	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1948	1980
	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	47th Warmest	Warmest since: 1944	2019
	Ties: 1943, 1974, 1990
Aug 1944–Jul 1949 60-Month	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	66th Coolest	Coolest since: 1948	1906
	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1946	2020
	Ties: 1922, 1940, 1959, 1975

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