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 1984

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1984 1-Month	76.8°F (24.9°C)	73.9°F (23.3°C)	2.9°F (1.6°C)	111th Coolest	Coolest since: 1983	1903
June 1984 1-Month	76.8°F (24.9°C)	73.9°F (23.3°C)	2.9°F (1.6°C)	18th Warmest	Warmest since: 1971	1952
May–Jun 1984 2-Month	69.4°F (20.8°C)	69.4°F (20.8°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1983	1907
	69.4°F (20.8°C)	69.4°F (20.8°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1982	2018
	Ties: 1925, 1931, 2002, 2020
Apr–Jun 1984 3-Month	64.1°F (17.8°C)	64.7°F (18.2°C)	-0.6°F (-0.4°C)	37th Coolest	Coolest since: 1983	1907
	64.1°F (17.8°C)	64.7°F (18.2°C)	-0.6°F (-0.4°C)	92nd Warmest	Warmest since: 1981	2010
	Ties: 1958, 1995, 2008, 2020
Mar–Jun 1984 4-Month	57.7°F (14.3°C)	59.7°F (15.4°C)	-2.0°F (-1.1°C)	13th Coolest	Coolest since: 1983	1960
	57.7°F (14.3°C)	59.7°F (15.4°C)	-2.0°F (-1.1°C)	116th Warmest	Warmest since: 1982	2012
	Ties: 1906
Feb–Jun 1984 5-Month	54.1°F (12.3°C)	54.7°F (12.6°C)	-0.6°F (-0.3°C)	44th Coolest	Coolest since: 1983	1912, 1960, 1978
	54.1°F (12.3°C)	54.7°F (12.6°C)	-0.6°F (-0.3°C)	85th Warmest	Warmest since: 1981	2012
	Ties: 1903, 1914, 1936, 1970, 1975, 2013
Jan–Jun 1984 6-Month	49.6°F (9.8°C)	50.8°F (10.4°C)	-1.2°F (-0.6°C)	28th Coolest	Coolest since: 1982	1912, 1978
	49.6°F (9.8°C)	50.8°F (10.4°C)	-1.2°F (-0.6°C)	101st Warmest	Warmest since: 1983	2012
	Ties: 1918, 1969
Dec 1983–Jun 1984 7-Month	45.7°F (7.6°C)	48.4°F (9.1°C)	-2.7°F (-1.5°C)	6th Coolest	Coolest since: 1979	1978
	45.7°F (7.6°C)	48.4°F (9.1°C)	-2.7°F (-1.5°C)	122nd Warmest	Warmest since: 1983	2012
	Ties: 1940
Nov 1983–Jun 1984 8-Month	46.0°F (7.8°C)	48.0°F (8.9°C)	-2.0°F (-1.1°C)	13th Coolest	Coolest since: 1979	1912
Nov 1983–Jun 1984 8-Month	46.0°F (7.8°C)	48.0°F (8.9°C)	-2.0°F (-1.1°C)	115th Warmest	Warmest since: 1983	2012
Oct 1983–Jun 1984 9-Month	47.4°F (8.6°C)	49.1°F (9.5°C)	-1.7°F (-0.9°C)	15th Coolest	Coolest since: 1982	1912, 1978
	47.4°F (8.6°C)	49.1°F (9.5°C)	-1.7°F (-0.9°C)	113th Warmest	Warmest since: 1983	2012
	Ties: 1920, 1982, 2014
Sep 1983–Jun 1984 10-Month	49.6°F (9.8°C)	51.1°F (10.6°C)	-1.5°F (-0.8°C)	15th Coolest	Coolest since: 1982	1978
	49.6°F (9.8°C)	51.1°F (10.6°C)	-1.5°F (-0.8°C)	113th Warmest	Warmest since: 1983	2012
	Ties: 1968
Aug 1983–Jun 1984 11-Month	52.5°F (11.4°C)	53.4°F (11.9°C)	-0.9°F (-0.5°C)	28th Coolest	Coolest since: 1982	1904, 1978
	52.5°F (11.4°C)	53.4°F (11.9°C)	-0.9°F (-0.5°C)	100th Warmest	Warmest since: 1983	2012
	Ties: 1929
Jul 1983–Jun 1984 12-Month	54.8°F (12.7°C)	55.4°F (13.0°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1982	1904, 1912, 1918, 1978
	54.8°F (12.7°C)	55.4°F (13.0°C)	-0.6°F (-0.3°C)	93rd Warmest	Warmest since: 1983	2012
	Ties: 1947, 1973, 1975, 1996
Jan 1983–Jun 1984 18-Month	53.2°F (11.8°C)	53.8°F (12.1°C)	-0.6°F (-0.3°C)	33rd Coolest	Coolest since: 1983	1979
	53.2°F (11.8°C)	53.8°F (12.1°C)	-0.6°F (-0.3°C)	95th Warmest	Warmest since: 1981	2017
	Ties: 1903, 1907, 1916, 1936, 1941, 1960, 1962, 1994
Jul 1982–Jun 1984 24-Month	55.0°F (12.8°C)	55.3°F (12.9°C)	-0.3°F (-0.1°C)	35th Coolest	Coolest since: 1983	1978, 1979
	55.0°F (12.8°C)	55.3°F (12.9°C)	-0.3°F (-0.1°C)	92nd Warmest	Warmest since: 1982	2017
	Ties: 1927
Jul 1981–Jun 1984 36-Month	54.6°F (12.6°C)	55.3°F (12.9°C)	-0.7°F (-0.3°C)	14th Coolest	Coolest since: 1980	1979
	54.6°F (12.6°C)	55.3°F (12.9°C)	-0.7°F (-0.3°C)	112th Warmest	Warmest since: 1983	2018
	Ties: 1912, 1919, 1962
Jul 1980–Jun 1984 48-Month	55.1°F (12.8°C)	55.3°F (12.9°C)	-0.2°F (-0.1°C)	36th Coolest	Coolest since: 1983	1980
	55.1°F (12.8°C)	55.3°F (12.9°C)	-0.2°F (-0.1°C)	89th Warmest	Warmest since: 1977	2019
	Ties: 1927, 1931, 1973
Jul 1979–Jun 1984 60-Month	54.9°F (12.7°C)	55.3°F (12.9°C)	-0.4°F (-0.2°C)	24th Coolest	Coolest since: 1983	1980
	54.9°F (12.7°C)	55.3°F (12.9°C)	-0.4°F (-0.2°C)	100th Warmest	Warmest since: 1977	2020
	Ties: 1909, 1930, 1961, 1973

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings