Statewide 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

Average Temperature Rankings, August 1947

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1947 1-Month	80.8°F (27.1°C)	73.4°F (23.0°C)	7.4°F (4.1°C)	128th Coolest	Coolest since: 1946	1915
August 1947 1-Month	80.8°F (27.1°C)	73.4°F (23.0°C)	7.4°F (4.1°C)	1st Warmest	Warmest to Date	1947
Jul–Aug 1947 2-Month	76.6°F (24.8°C)	74.5°F (23.6°C)	2.1°F (1.2°C)	112th Coolest	Coolest since: 1946	1915
	76.6°F (24.8°C)	74.5°F (23.6°C)	2.1°F (1.2°C)	17th Warmest	Warmest since: 1936	1936
	Ties: 2002
Jun–Aug 1947 3-Month	74.0°F (23.3°C)	73.5°F (23.1°C)	0.5°F (0.2°C)	77th Coolest	Coolest since: 1946	1915
	74.0°F (23.3°C)	73.5°F (23.1°C)	0.5°F (0.2°C)	52nd Warmest	Warmest since: 1944	1936
	Ties: 1993, 1998
May–Aug 1947 4-Month	70.1°F (21.2°C)	70.6°F (21.4°C)	-0.5°F (-0.2°C)	47th Coolest	Coolest since: 1946	1915
May–Aug 1947 4-Month	70.1°F (21.2°C)	70.6°F (21.4°C)	-0.5°F (-0.2°C)	82nd Warmest	Warmest since: 1944	1934, 1936
Apr–Aug 1947 5-Month	66.3°F (19.1°C)	66.8°F (19.3°C)	-0.5°F (-0.2°C)	41st Coolest	Coolest since: 1946	1907
	66.3°F (19.1°C)	66.8°F (19.3°C)	-0.5°F (-0.2°C)	88th Warmest	Warmest since: 1944	1934
	Ties: 1898, 1908, 1912, 1984, 2013
Mar–Aug 1947 6-Month	60.8°F (16.0°C)	62.4°F (16.9°C)	-1.6°F (-0.9°C)	16th Coolest	Coolest since: 1927	1904, 1950, 1960
	60.8°F (16.0°C)	62.4°F (16.9°C)	-1.6°F (-0.9°C)	113th Warmest	Warmest since: 1946	2012
	Ties: 1984, 1997
Feb–Aug 1947 7-Month	55.4°F (13.0°C)	57.6°F (14.2°C)	-2.2°F (-1.2°C)	11th Coolest	Coolest since: 1924	1904
Feb–Aug 1947 7-Month	55.4°F (13.0°C)	57.6°F (14.2°C)	-2.2°F (-1.2°C)	118th Warmest	Warmest since: 1946	2012
Jan–Aug 1947 8-Month	52.2°F (11.2°C)	53.5°F (11.9°C)	-1.3°F (-0.7°C)	21st Coolest	Coolest since: 1940	1904, 1912
	52.2°F (11.2°C)	53.5°F (11.9°C)	-1.3°F (-0.7°C)	108th Warmest	Warmest since: 1946	2012
	Ties: 1971
Dec 1946–Aug 1947 9-Month	50.3°F (10.2°C)	50.9°F (10.5°C)	-0.6°F (-0.3°C)	42nd Coolest	Coolest since: 1945	1904
	50.3°F (10.2°C)	50.9°F (10.5°C)	-0.6°F (-0.3°C)	86th Warmest	Warmest since: 1946	2012
	Ties: 1927
Nov 1946–Aug 1947 10-Month	49.6°F (9.8°C)	49.9°F (9.9°C)	-0.3°F (-0.1°C)	50th Coolest	Coolest since: 1945	1904
	49.6°F (9.8°C)	49.9°F (9.9°C)	-0.3°F (-0.1°C)	78th Warmest	Warmest since: 1946	2012
	Ties: 1928
Oct 1946–Aug 1947 11-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1945	1904
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 1946	2012
	Ties: 1916, 1923, 1943, 1948, 1973, 1975, 2008
Sep 1946–Aug 1947 12-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1945	1904
	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1946	2012
	Ties: 1966, 1980
Mar 1946–Aug 1947 18-Month	55.6°F (13.1°C)	55.2°F (12.9°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1946	1904
	55.6°F (13.1°C)	55.2°F (12.9°C)	0.4°F (0.2°C)	50th Warmest	Warmest since: 1942	2012
	Ties: 1896, 1938, 1941, 1976
Sep 1945–Aug 1947 24-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1946	1905
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1943	2017
	Ties: 1941, 1965, 1972, 1981
Sep 1944–Aug 1947 36-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1946	1979
	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1946	2018
	Ties: 1937, 1946
Sep 1943–Aug 1947 48-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1946	1905
	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1946	2019
	Ties: 1911, 1914, 1946, 1977, 1983
Sep 1942–Aug 1947 60-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1931	1906
	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1946	2020
	Ties: 1931, 1974, 1977, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings