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 1981

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1981 1-Month	75.2°F (24.0°C)	73.9°F (23.3°C)	1.3°F (0.7°C)	87th Coolest	Coolest since: 1980	1903
	75.2°F (24.0°C)	73.9°F (23.3°C)	1.3°F (0.7°C)	42nd Warmest	Warmest since: 1971	1952
	Ties: 1964, 1988, 1998
May–Jun 1981 2-Month	67.8°F (19.9°C)	69.5°F (20.8°C)	-1.7°F (-0.9°C)	24th Coolest	Coolest since: 1976	1907
	67.8°F (19.9°C)	69.5°F (20.8°C)	-1.7°F (-0.9°C)	105th Warmest	Warmest since: 1980	2018
	Ties: 1947
Apr–Jun 1981 3-Month	65.9°F (18.8°C)	64.7°F (18.2°C)	1.2°F (0.6°C)	88th Coolest	Coolest since: 1980	1907
	65.9°F (18.8°C)	64.7°F (18.2°C)	1.2°F (0.6°C)	41st Warmest	Warmest since: 1977	2010
	Ties: 1905
Mar–Jun 1981 4-Month	60.6°F (15.9°C)	59.7°F (15.4°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1980	1960
	60.6°F (15.9°C)	59.7°F (15.4°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1977	2012
	Ties: 1941, 1954, 2001
Feb–Jun 1981 5-Month	55.9°F (13.3°C)	54.7°F (12.6°C)	1.2°F (0.7°C)	88th Coolest	Coolest since: 1980	1912, 1960, 1978
	55.9°F (13.3°C)	54.7°F (12.6°C)	1.2°F (0.7°C)	41st Warmest	Warmest since: 1977	2012
	Ties: 2020, 2022
Jan–Jun 1981 6-Month	51.6°F (10.9°C)	50.8°F (10.4°C)	0.8°F (0.5°C)	81st Coolest	Coolest since: 1980	1912
	51.6°F (10.9°C)	50.8°F (10.4°C)	0.8°F (0.5°C)	48th Warmest	Warmest since: 1976	2012
	Ties: 1931, 2019
Dec 1980–Jun 1981 7-Month	49.3°F (9.6°C)	48.5°F (9.2°C)	0.8°F (0.4°C)	77th Coolest	Coolest since: 1980	1978
	49.3°F (9.6°C)	48.5°F (9.2°C)	0.8°F (0.4°C)	51st Warmest	Warmest since: 1976	2012
	Ties: 1930
Nov 1980–Jun 1981 8-Month	48.6°F (9.2°C)	48.0°F (8.9°C)	0.6°F (0.3°C)	74th Coolest	Coolest since: 1980	1912
	48.6°F (9.2°C)	48.0°F (8.9°C)	0.6°F (0.3°C)	54th Warmest	Warmest since: 1976	2012
	Ties: 1944, 2011, 2019
Oct 1980–Jun 1981 9-Month	49.3°F (9.6°C)	49.1°F (9.5°C)	0.2°F (0.1°C)	61st Coolest	Coolest since: 1980	1912, 1978
	49.3°F (9.6°C)	49.1°F (9.5°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1976	2012
	Ties: 1896, 1903, 1923, 1931, 1959
Sep 1980–Jun 1981 10-Month	51.5°F (10.8°C)	51.1°F (10.6°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1980	1978
	51.5°F (10.8°C)	51.1°F (10.6°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1976	2012
	Ties: 1901, 1931, 1935, 1990
Aug 1980–Jun 1981 11-Month	54.2°F (12.3°C)	53.3°F (11.8°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1980	1904, 1978
	54.2°F (12.3°C)	53.3°F (11.8°C)	0.9°F (0.5°C)	41st Warmest	Warmest since: 1976	2012
	Ties: 1901, 2019
Jul 1980–Jun 1981 12-Month	56.5°F (13.6°C)	55.4°F (13.0°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1980	1904, 1918, 1978
	56.5°F (13.6°C)	55.4°F (13.0°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1974	2012
	Ties: 1937, 1957, 1972, 2008, 2018
Jan 1980–Jun 1981 18-Month	53.9°F (12.2°C)	53.9°F (12.2°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1980	1979
	53.9°F (12.2°C)	53.9°F (12.2°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1976	2017
	Ties: 1901, 1915, 1964, 1975, 2009
Jul 1979–Jun 1981 24-Month	55.3°F (12.9°C)	55.4°F (13.0°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1980	1978, 1979
	55.3°F (12.9°C)	55.4°F (13.0°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1976	2017
	Ties: 1902, 1920, 1936, 1948, 1967, 1993, 1996
Jul 1978–Jun 1981 36-Month	54.7°F (12.6°C)	55.4°F (13.0°C)	-0.7°F (-0.4°C)	18th Coolest	Coolest since: 1980	1979
	54.7°F (12.6°C)	55.4°F (13.0°C)	-0.7°F (-0.4°C)	108th Warmest	Warmest since: 1977	2018
	Ties: 1913, 1961, 1963, 1968, 1977
Jul 1977–Jun 1981 48-Month	54.2°F (12.3°C)	55.3°F (12.9°C)	-1.1°F (-0.6°C)	6th Coolest	Coolest since: 1980	1980
	54.2°F (12.3°C)	55.3°F (12.9°C)	-1.1°F (-0.6°C)	119th Warmest	Warmest since: 1978	2019
	Ties: 1971
Jul 1976–Jun 1981 60-Month	54.0°F (12.2°C)	55.3°F (12.9°C)	-1.3°F (-0.7°C)	1st Coolest	Coolest since: 1980	1980, 1981
	54.0°F (12.2°C)	55.3°F (12.9°C)	-1.3°F (-0.7°C)	123rd Warmest	Warmest since: 1980	2020
	Ties: 1980

Citing This Page

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