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 1964

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1964 1-Month	75.2°F (24.0°C)	73.9°F (23.3°C)	1.3°F (0.7°C)	87th Coolest	Coolest since: 1963	1903
	75.2°F (24.0°C)	73.9°F (23.3°C)	1.3°F (0.7°C)	42nd Warmest	Warmest since: 1954	1952
	Ties: 1981, 1988, 1998
May–Jun 1964 2-Month	71.7°F (22.1°C)	69.5°F (20.8°C)	2.2°F (1.3°C)	106th Coolest	Coolest since: 1963	1907
	71.7°F (22.1°C)	69.5°F (20.8°C)	2.2°F (1.3°C)	23rd Warmest	Warmest since: 1962	2018
	Ties: 1896
Apr–Jun 1964 3-Month	67.4°F (19.7°C)	64.7°F (18.2°C)	2.7°F (1.5°C)	118th Coolest	Coolest since: 1963	1907
Apr–Jun 1964 3-Month	67.4°F (19.7°C)	64.7°F (18.2°C)	2.7°F (1.5°C)	11th Warmest	Warmest since: 1941	2010
Mar–Jun 1964 4-Month	61.6°F (16.4°C)	59.8°F (15.4°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 1963	1960
	61.6°F (16.4°C)	59.8°F (15.4°C)	1.8°F (1.0°C)	18th Warmest	Warmest since: 1963	2012
	Ties: 1911, 1922, 1953, 1963, 2021, 2022
Feb–Jun 1964 5-Month	56.1°F (13.4°C)	54.8°F (12.7°C)	1.3°F (0.7°C)	95th Coolest	Coolest since: 1963	1912, 1960, 1978
	56.1°F (13.4°C)	54.8°F (12.7°C)	1.3°F (0.7°C)	34th Warmest	Warmest since: 1959	2012
	Ties: 1927, 1959, 1992, 2001
Jan–Jun 1964 6-Month	52.4°F (11.3°C)	50.8°F (10.4°C)	1.6°F (0.9°C)	100th Coolest	Coolest since: 1963	1912, 1978
	52.4°F (11.3°C)	50.8°F (10.4°C)	1.6°F (0.9°C)	29th Warmest	Warmest since: 1954	2012
	Ties: 2004
Dec 1963–Jun 1964 7-Month	48.4°F (9.1°C)	48.5°F (9.2°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 1963	1978
	48.4°F (9.1°C)	48.5°F (9.2°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1959	2012
	Ties: 1937, 1959, 2008
Nov 1963–Jun 1964 8-Month	48.2°F (9.0°C)	48.0°F (8.9°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1963	1912
Nov 1963–Jun 1964 8-Month	48.2°F (9.0°C)	48.0°F (8.9°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1959	2012
Oct 1963–Jun 1964 9-Month	50.1°F (10.1°C)	49.1°F (9.5°C)	1.0°F (0.6°C)	90th Coolest	Coolest since: 1963	1912, 1978
	50.1°F (10.1°C)	49.1°F (9.5°C)	1.0°F (0.6°C)	38th Warmest	Warmest since: 1957	2012
	Ties: 1950
Sep 1963–Jun 1964 10-Month	52.0°F (11.1°C)	51.1°F (10.6°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1963	1978
	52.0°F (11.1°C)	51.1°F (10.6°C)	0.9°F (0.5°C)	39th Warmest	Warmest since: 1957	2012
	Ties: 2019
Aug 1963–Jun 1964 11-Month	54.1°F (12.3°C)	53.4°F (11.9°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1963	1904, 1978
	54.1°F (12.3°C)	53.4°F (11.9°C)	0.7°F (0.4°C)	44th Warmest	Warmest since: 1957	2012
	Ties: 1948, 1995
Jul 1963–Jun 1964 12-Month	55.9°F (13.3°C)	55.4°F (13.0°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1963	1904, 1912, 1918, 1978
	55.9°F (13.3°C)	55.4°F (13.0°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1957	2012
	Ties: 1909, 1911, 1949, 1995
Jan 1963–Jun 1964 18-Month	53.8°F (12.1°C)	53.8°F (12.1°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1963	1979
	53.8°F (12.1°C)	53.8°F (12.1°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1957	2017
	Ties: 1952, 1975, 1989
Jul 1962–Jun 1964 24-Month	55.1°F (12.8°C)	55.3°F (12.9°C)	-0.2°F (-0.1°C)	37th Coolest	Coolest since: 1963	1978, 1979
	55.1°F (12.8°C)	55.3°F (12.9°C)	-0.2°F (-0.1°C)	90th Warmest	Warmest since: 1958	2017
	Ties: 1924, 1928, 1958, 1985, 2014
Jul 1961–Jun 1964 36-Month	55.1°F (12.8°C)	55.3°F (12.9°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1963	1979
	55.1°F (12.8°C)	55.3°F (12.9°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1959	2018
	Ties: 1972, 1985
Jul 1960–Jun 1964 48-Month	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	31st Coolest	Coolest since: 1963	1980
	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	94th Warmest	Warmest since: 1959	2019
	Ties: 1899, 1915, 1930, 1997
Jul 1959–Jun 1964 60-Month	54.8°F (12.7°C)	55.3°F (12.9°C)	-0.5°F (-0.2°C)	19th Coolest	Coolest since: 1963	1980
	54.8°F (12.7°C)	55.3°F (12.9°C)	-0.5°F (-0.2°C)	105th Warmest	Warmest since: 1961	2020
	Ties: 1903, 1918, 1919, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings