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 1958

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1958 1-Month	73.6°F (23.1°C)	73.4°F (23.0°C)	0.2°F (0.1°C)	68th Coolest	Coolest since: 1952	1915
	73.6°F (23.1°C)	73.4°F (23.0°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1957	1947
	Ties: 1925, 1949, 2012, 2022
Jul–Aug 1958 2-Month	73.3°F (22.9°C)	74.5°F (23.6°C)	-1.2°F (-0.7°C)	31st Coolest	Coolest since: 1951	1915
	73.3°F (22.9°C)	74.5°F (23.6°C)	-1.2°F (-0.7°C)	98th Warmest	Warmest since: 1957	1936
	Ties: 1905, 1990, 2017
Jun–Aug 1958 3-Month	71.3°F (21.8°C)	73.5°F (23.1°C)	-2.2°F (-1.3°C)	13th Coolest	Coolest since: 1950	1915
	71.3°F (21.8°C)	73.5°F (23.1°C)	-2.2°F (-1.3°C)	116th Warmest	Warmest since: 1957	1936
	Ties: 1985, 2009
May–Aug 1958 4-Month	69.1°F (20.6°C)	70.6°F (21.4°C)	-1.5°F (-0.8°C)	17th Coolest	Coolest since: 1950	1915
May–Aug 1958 4-Month	69.1°F (20.6°C)	70.6°F (21.4°C)	-1.5°F (-0.8°C)	112th Warmest	Warmest since: 1957	1934, 1936
Apr–Aug 1958 5-Month	65.7°F (18.7°C)	66.8°F (19.3°C)	-1.1°F (-0.6°C)	24th Coolest	Coolest since: 1951	1907
	65.7°F (18.7°C)	66.8°F (19.3°C)	-1.1°F (-0.6°C)	105th Warmest	Warmest since: 1957	1934
	Ties: 1903, 1929, 1979, 1990
Mar–Aug 1958 6-Month	60.7°F (15.9°C)	62.3°F (16.8°C)	-1.6°F (-0.9°C)	14th Coolest	Coolest since: 1951	1904, 1950, 1960
	60.7°F (15.9°C)	62.3°F (16.8°C)	-1.6°F (-0.9°C)	115th Warmest	Warmest since: 1957	2012
	Ties: 1927
Feb–Aug 1958 7-Month	55.0°F (12.8°C)	57.5°F (14.2°C)	-2.5°F (-1.4°C)	6th Coolest	Coolest since: 1917	1904
Feb–Aug 1958 7-Month	55.0°F (12.8°C)	57.5°F (14.2°C)	-2.5°F (-1.4°C)	123rd Warmest	Warmest since: 1957	2012
Jan–Aug 1958 8-Month	51.4°F (10.8°C)	53.5°F (11.9°C)	-2.1°F (-1.1°C)	10th Coolest	Coolest since: 1940	1904, 1912
	51.4°F (10.8°C)	53.5°F (11.9°C)	-2.1°F (-1.1°C)	119th Warmest	Warmest since: 1957	2012
	Ties: 1895, 1960
Dec 1957–Aug 1958 9-Month	49.6°F (9.8°C)	50.8°F (10.4°C)	-1.2°F (-0.6°C)	20th Coolest	Coolest since: 1951	1904
	49.6°F (9.8°C)	50.8°F (10.4°C)	-1.2°F (-0.6°C)	108th Warmest	Warmest since: 1957	2012
	Ties: 1910, 1960, 1970
Nov 1957–Aug 1958 10-Month	48.6°F (9.2°C)	49.8°F (9.9°C)	-1.2°F (-0.7°C)	22nd Coolest	Coolest since: 1951	1904
	48.6°F (9.2°C)	49.8°F (9.9°C)	-1.2°F (-0.7°C)	106th Warmest	Warmest since: 1957	2012
	Ties: 1926
Oct 1957–Aug 1958 11-Month	48.9°F (9.4°C)	50.3°F (10.2°C)	-1.4°F (-0.8°C)	19th Coolest	Coolest since: 1951	1904
	48.9°F (9.4°C)	50.3°F (10.2°C)	-1.4°F (-0.8°C)	109th Warmest	Warmest since: 1957	2012
	Ties: 1915, 1970
Sep 1957–Aug 1958 12-Month	50.2°F (10.1°C)	51.7°F (10.9°C)	-1.5°F (-0.8°C)	16th Coolest	Coolest since: 1951	1904
	50.2°F (10.1°C)	51.7°F (10.9°C)	-1.5°F (-0.8°C)	112th Warmest	Warmest since: 1957	2012
	Ties: 1905, 1924, 1926
Mar 1957–Aug 1958 18-Month	54.3°F (12.4°C)	55.2°F (12.9°C)	-0.9°F (-0.5°C)	24th Coolest	Coolest since: 1951	1904
	54.3°F (12.4°C)	55.2°F (12.9°C)	-0.9°F (-0.5°C)	104th Warmest	Warmest since: 1957	2012
	Ties: 1907, 1908, 1963
Sep 1956–Aug 1958 24-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1952	1905
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1957	2017
	Ties: 1897, 1910, 1945, 1966
Sep 1955–Aug 1958 36-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1952	1979
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1957	2018
	Ties: 1910, 1914, 1925, 1964, 1998
Sep 1954–Aug 1958 48-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1953	1905
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	55th Warmest	Warmest since: 1957	2019
	Ties: 1916, 1945, 1986, 1998
Sep 1953–Aug 1958 60-Month	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 1954	1906
	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F (0.4°C)	38th Warmest	Warmest since: 1957	2020
	Ties: 1943, 1995, 1999, 2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings