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 5. East

Average Temperature Rankings, June 1981

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1981 1-Month	72.4°F (22.4°C)	70.4°F (21.3°C)	2.0°F (1.1°C)	96th Coolest	Coolest since: 1980	1903
	72.4°F (22.4°C)	70.4°F (21.3°C)	2.0°F (1.1°C)	33rd Warmest	Warmest since: 1971	1933
	Ties: 1964, 1995, 2014, 2017
May–Jun 1981 2-Month	64.8°F (18.2°C)	65.7°F (18.7°C)	-0.9°F (-0.5°C)	37th Coolest	Coolest since: 1976	1907
	64.8°F (18.2°C)	65.7°F (18.7°C)	-0.9°F (-0.5°C)	92nd Warmest	Warmest since: 1980	2018
	Ties: 1973, 1983
Apr–Jun 1981 3-Month	61.6°F (16.4°C)	60.4°F (15.8°C)	1.2°F (0.6°C)	83rd Coolest	Coolest since: 1980	1907
	61.6°F (16.4°C)	60.4°F (15.8°C)	1.2°F (0.6°C)	46th Warmest	Warmest since: 1977	1991
	Ties: 1994
Mar–Jun 1981 4-Month	56.0°F (13.3°C)	54.9°F (12.7°C)	1.1°F (0.6°C)	86th Coolest	Coolest since: 1980	1926, 1960
	56.0°F (13.3°C)	54.9°F (12.7°C)	1.1°F (0.6°C)	43rd Warmest	Warmest since: 1977	2012
	Ties: 1941, 1994
Feb–Jun 1981 5-Month	50.7°F (10.4°C)	49.4°F (9.7°C)	1.3°F (0.7°C)	93rd Coolest	Coolest since: 1980	1904, 1947
	50.7°F (10.4°C)	49.4°F (9.7°C)	1.3°F (0.7°C)	36th Warmest	Warmest since: 1977	2012
	Ties: 1955, 1959, 2020
Jan–Jun 1981 6-Month	46.0°F (7.8°C)	45.2°F (7.3°C)	0.8°F (0.5°C)	80th Coolest	Coolest since: 1980	1912
	46.0°F (7.8°C)	45.2°F (7.3°C)	0.8°F (0.5°C)	49th Warmest	Warmest since: 1976	2012
	Ties: 1941
Dec 1980–Jun 1981 7-Month	43.6°F (6.4°C)	42.7°F (5.9°C)	0.9°F (0.5°C)	81st Coolest	Coolest since: 1980	1904
	43.6°F (6.4°C)	42.7°F (5.9°C)	0.9°F (0.5°C)	47th Warmest	Warmest since: 1976	2012
	Ties: 1914, 2018
Nov 1980–Jun 1981 8-Month	43.2°F (6.2°C)	42.3°F (5.7°C)	0.9°F (0.5°C)	85th Coolest	Coolest since: 1980	1904
	43.2°F (6.2°C)	42.3°F (5.7°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1976	2012
	Ties: 1941, 1973, 1986, 2018
Oct 1980–Jun 1981 9-Month	44.0°F (6.7°C)	43.6°F (6.4°C)	0.4°F (0.3°C)	72nd Coolest	Coolest since: 1980	1904
	44.0°F (6.7°C)	43.6°F (6.4°C)	0.4°F (0.3°C)	56th Warmest	Warmest since: 1976	2012
	Ties: 1973
Sep 1980–Jun 1981 10-Month	46.2°F (7.9°C)	45.7°F (7.6°C)	0.5°F (0.3°C)	77th Coolest	Coolest since: 1980	1904
	46.2°F (7.9°C)	45.7°F (7.6°C)	0.5°F (0.3°C)	51st Warmest	Warmest since: 1976	2012
	Ties: 1896, 2019
Aug 1980–Jun 1981 11-Month	48.9°F (9.4°C)	48.1°F (8.9°C)	0.8°F (0.5°C)	83rd Coolest	Coolest since: 1980	1904
	48.9°F (9.4°C)	48.1°F (8.9°C)	0.8°F (0.5°C)	45th Warmest	Warmest since: 1976	2012, 2017
	Ties: 1964, 1988, 2013
Jul 1980–Jun 1981 12-Month	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	94th Coolest	Coolest since: 1980	1904
	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	34th Warmest	Warmest since: 1976	2012
	Ties: 1919, 1941, 1974, 2008, 2018
Jan 1980–Jun 1981 18-Month	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	61st Coolest	Coolest since: 1980	1905
	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 1976	2017
	Ties: 1898, 1911, 1943
Jul 1979–Jun 1981 24-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1980	1905
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1976	2017
	Ties: 1941, 1945, 1946, 1948, 1965
Jul 1978–Jun 1981 36-Month	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	31st Coolest	Coolest since: 1980	1905, 1906
	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	95th Warmest	Warmest since: 1977	2018
	Ties: 1900, 1910, 1952, 1961, 1962, 1965
Jul 1977–Jun 1981 48-Month	49.2°F (9.6°C)	50.2°F (10.1°C)	-1.0°F (-0.5°C)	8th Coolest	Coolest since: 1980	1905
	49.2°F (9.6°C)	50.2°F (10.1°C)	-1.0°F (-0.5°C)	117th Warmest	Warmest since: 1978	2019
	Ties: 1902, 1908, 1919, 1920
Jul 1976–Jun 1981 60-Month	49.0°F (9.4°C)	50.2°F (10.1°C)	-1.2°F (-0.7°C)	6th Coolest	Coolest since: 1908	1906
	49.0°F (9.4°C)	50.2°F (10.1°C)	-1.2°F (-0.7°C)	118th Warmest	Warmest since: 1980	2020
	Ties: 1982

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings