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 1986

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1986 1-Month	76.4°F (24.7°C)	73.9°F (23.3°C)	2.5°F (1.4°C)	108th Coolest	Coolest since: 1985	1903
	76.4°F (24.7°C)	73.9°F (23.3°C)	2.5°F (1.4°C)	21st Warmest	Warmest since: 1984	1952
	Ties: 1922, 1943, 2009
May–Jun 1986 2-Month	71.6°F (22.0°C)	69.4°F (20.8°C)	2.2°F (1.2°C)	104th Coolest	Coolest since: 1985	1907
	71.6°F (22.0°C)	69.4°F (20.8°C)	2.2°F (1.2°C)	25th Warmest	Warmest since: 1977	2018
	Ties: 1902, 1921, 1959
Apr–Jun 1986 3-Month	67.5°F (19.7°C)	64.8°F (18.2°C)	2.7°F (1.5°C)	120th Coolest	Coolest since: 1985	1907
	67.5°F (19.7°C)	64.8°F (18.2°C)	2.7°F (1.5°C)	9th Warmest	Warmest since: 1977	2010
	Ties: 1965
Mar–Jun 1986 4-Month	62.5°F (16.9°C)	59.7°F (15.4°C)	2.8°F (1.5°C)	119th Coolest	Coolest since: 1985	1960
Mar–Jun 1986 4-Month	62.5°F (16.9°C)	59.7°F (15.4°C)	2.8°F (1.5°C)	10th Warmest	Warmest since: 1977	2012
Feb–Jun 1986 5-Month	57.3°F (14.1°C)	54.7°F (12.6°C)	2.6°F (1.5°C)	115th Coolest	Coolest since: 1985	1912, 1960, 1978
Feb–Jun 1986 5-Month	57.3°F (14.1°C)	54.7°F (12.6°C)	2.6°F (1.5°C)	14th Warmest	Warmest since: 1977	2012
Jan–Jun 1986 6-Month	53.4°F (11.9°C)	50.8°F (10.4°C)	2.6°F (1.5°C)	115th Coolest	Coolest since: 1985	1912, 1978
	53.4°F (11.9°C)	50.8°F (10.4°C)	2.6°F (1.5°C)	14th Warmest	Warmest since: 1953	2012
	Ties: 1911, 1925, 1932, 1952
Dec 1985–Jun 1986 7-Month	49.7°F (9.8°C)	48.5°F (9.2°C)	1.2°F (0.6°C)	93rd Coolest	Coolest since: 1985	1978
	49.7°F (9.8°C)	48.5°F (9.2°C)	1.2°F (0.6°C)	35th Warmest	Warmest since: 1976	2012
	Ties: 1908, 1949, 1967
Nov 1985–Jun 1986 8-Month	49.4°F (9.7°C)	48.0°F (8.9°C)	1.4°F (0.8°C)	99th Coolest	Coolest since: 1985	1912
	49.4°F (9.7°C)	48.0°F (8.9°C)	1.4°F (0.8°C)	29th Warmest	Warmest since: 1976	2012
	Ties: 1938, 1939, 1967, 2020
Oct 1985–Jun 1986 9-Month	50.6°F (10.3°C)	49.1°F (9.5°C)	1.5°F (0.8°C)	103rd Coolest	Coolest since: 1985	1912, 1978
Oct 1985–Jun 1986 9-Month	50.6°F (10.3°C)	49.1°F (9.5°C)	1.5°F (0.8°C)	25th Warmest	Warmest since: 1976	2012
Sep 1985–Jun 1986 10-Month	52.4°F (11.3°C)	51.1°F (10.6°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1985	1978
	52.4°F (11.3°C)	51.1°F (10.6°C)	1.3°F (0.7°C)	26th Warmest	Warmest since: 1974	2012
	Ties: 1898, 1946, 1992, 2007
Aug 1985–Jun 1986 11-Month	54.3°F (12.4°C)	53.3°F (11.8°C)	1.0°F (0.6°C)	91st Coolest	Coolest since: 1985	1904, 1978
	54.3°F (12.4°C)	53.3°F (11.8°C)	1.0°F (0.6°C)	37th Warmest	Warmest since: 1976	2012
	Ties: 1941, 1976, 2011
Jul 1985–Jun 1986 12-Month	56.2°F (13.4°C)	55.4°F (13.0°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1985	1904, 1912, 1918, 1978
	56.2°F (13.4°C)	55.4°F (13.0°C)	0.8°F (0.4°C)	40th Warmest	Warmest since: 1981	2012
	Ties: 1938, 1941, 2013, 2019
Jan 1985–Jun 1986 18-Month	54.1°F (12.3°C)	53.9°F (12.2°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 1985	1979
	54.1°F (12.3°C)	53.9°F (12.2°C)	0.2°F (0.1°C)	55th Warmest	Warmest since: 1976	2017
	Ties: 1919, 1926, 1937, 1995
Jul 1984–Jun 1986 24-Month	55.8°F (13.2°C)	55.4°F (13.0°C)	0.4°F (0.2°C)	83rd Coolest	Coolest since: 1985	1978, 1979
	55.8°F (13.2°C)	55.4°F (13.0°C)	0.4°F (0.2°C)	44th Warmest	Warmest since: 1972	2017
	Ties: 1949, 1950, 1972
Jul 1983–Jun 1986 36-Month	55.4°F (13.0°C)	55.3°F (12.9°C)	0.1°F (0.1°C)	54th Coolest	Coolest since: 1985	1979
	55.4°F (13.0°C)	55.3°F (12.9°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1976	2018
	Ties: 1909, 1925, 1927, 1945, 1947, 1958, 1966, 1975
Jul 1982–Jun 1986 48-Month	55.4°F (13.0°C)	55.3°F (12.9°C)	0.1°F (0.1°C)	54th Coolest	Coolest since: 1985	1980
	55.4°F (13.0°C)	55.3°F (12.9°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1976	2019
	Ties: 1953, 1959, 1995, 1998
Jul 1981–Jun 1986 60-Month	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	35th Coolest	Coolest since: 1985	1980
	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	89th Warmest	Warmest since: 1985	2020
	Ties: 1901, 1910, 1921, 1929, 1951, 1960, 1965, 1966, 1968, 1977, 1985

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings