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, June 1971

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1971 1-Month	77.1°F (25.1°C)	73.9°F (23.3°C)	3.2°F (1.8°C)	115th Coolest	Coolest since: 1970	1903
June 1971 1-Month	77.1°F (25.1°C)	73.9°F (23.3°C)	3.2°F (1.8°C)	14th Warmest	Warmest since: 1954	1952
May–Jun 1971 2-Month	69.2°F (20.7°C)	69.4°F (20.8°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1969	1907
	69.2°F (20.7°C)	69.4°F (20.8°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1970	2018
	Ties: 1900, 1926, 1942, 1954, 2008
Apr–Jun 1971 3-Month	64.5°F (18.1°C)	64.7°F (18.2°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1968	1907
	64.5°F (18.1°C)	64.7°F (18.2°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1970	2010
	Ties: 1900
Mar–Jun 1971 4-Month	58.9°F (14.9°C)	59.7°F (15.4°C)	-0.8°F (-0.5°C)	39th Coolest	Coolest since: 1969	1960
	58.9°F (14.9°C)	59.7°F (15.4°C)	-0.8°F (-0.5°C)	90th Warmest	Warmest since: 1970	2012
	Ties: 1899, 1901
Feb–Jun 1971 5-Month	53.9°F (12.2°C)	54.7°F (12.6°C)	-0.8°F (-0.4°C)	38th Coolest	Coolest since: 1969	1912, 1960, 1978
	53.9°F (12.2°C)	54.7°F (12.6°C)	-0.8°F (-0.4°C)	91st Warmest	Warmest since: 1970	2012
	Ties: 2003
Jan–Jun 1971 6-Month	49.7°F (9.8°C)	50.8°F (10.4°C)	-1.1°F (-0.6°C)	31st Coolest	Coolest since: 1970	1912, 1978
	49.7°F (9.8°C)	50.8°F (10.4°C)	-1.1°F (-0.6°C)	98th Warmest	Warmest since: 1967	2012
	Ties: 1900, 1906, 1985
Dec 1970–Jun 1971 7-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	45th Coolest	Coolest since: 1970	1978
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	83rd Warmest	Warmest since: 1967	2012
	Ties: 1897, 1907, 1962
Nov 1970–Jun 1971 8-Month	47.5°F (8.6°C)	48.0°F (8.9°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1970	1912
	47.5°F (8.6°C)	48.0°F (8.9°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 1967	2012
	Ties: 1901, 1937
Oct 1970–Jun 1971 9-Month	48.5°F (9.2°C)	49.1°F (9.5°C)	-0.6°F (-0.3°C)	36th Coolest	Coolest since: 1970	1912, 1978
	48.5°F (9.2°C)	49.1°F (9.5°C)	-0.6°F (-0.3°C)	92nd Warmest	Warmest since: 1967	2012
	Ties: 1910, 1928, 1929, 1937, 1973, 1994, 2001
Sep 1970–Jun 1971 10-Month	50.9°F (10.5°C)	51.1°F (10.6°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 1970	1978
	50.9°F (10.5°C)	51.1°F (10.6°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1967	2012
	Ties: 1928, 1930
Aug 1970–Jun 1971 11-Month	53.2°F (11.8°C)	53.3°F (11.8°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1970	1904, 1978
	53.2°F (11.8°C)	53.3°F (11.8°C)	-0.1°F (0.0°C)	77th Warmest	Warmest since: 1967	2012
	Ties: 1900, 1983
Jul 1970–Jun 1971 12-Month	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1970	1904, 1912, 1918, 1978
	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1967	2012
	Ties: 1900, 1903, 1930, 1962
Jan 1970–Jun 1971 18-Month	53.1°F (11.7°C)	53.8°F (12.1°C)	-0.7°F (-0.4°C)	26th Coolest	Coolest since: 1970	1979
	53.1°F (11.7°C)	53.8°F (12.1°C)	-0.7°F (-0.4°C)	102nd Warmest	Warmest since: 1967	2017
	Ties: 1896, 1912, 1917, 1930, 1963, 1982
Jul 1969–Jun 1971 24-Month	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	15th Coolest	Coolest since: 1970	1978, 1979
	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	112th Warmest	Warmest since: 1968	2017
	Ties: 1951, 1952, 1968, 1983, 1997
Jul 1968–Jun 1971 36-Month	54.4°F (12.4°C)	55.3°F (12.9°C)	-0.9°F (-0.5°C)	9th Coolest	Coolest since: 1970	1979
	54.4°F (12.4°C)	55.3°F (12.9°C)	-0.9°F (-0.5°C)	117th Warmest	Warmest since: 1969	2018
	Ties: 1907, 1960, 1969
Jul 1967–Jun 1971 48-Month	54.2°F (12.3°C)	55.4°F (13.0°C)	-1.2°F (-0.7°C)	6th Coolest	Coolest since: 1907	1980
	54.2°F (12.3°C)	55.4°F (13.0°C)	-1.2°F (-0.7°C)	119th Warmest	Warmest since: 1970	2019
	Ties: 1981
Jul 1966–Jun 1971 60-Month	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	9th Coolest	Coolest since: 1970	1980
	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	115th Warmest	Warmest since: 1969	2020
	Ties: 1905

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings