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 7. East Southeast

Average Temperature Rankings, May 1981

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1981 1-Month	58.9°F (14.9°C)	63.2°F (17.3°C)	-4.3°F (-2.4°C)	10th Coolest	Coolest since: 1961	1924
May 1981 1-Month	58.9°F (14.9°C)	63.2°F (17.3°C)	-4.3°F (-2.4°C)	119th Warmest	Warmest since: 1980	2018
Apr–May 1981 2-Month	58.9°F (14.9°C)	58.0°F (14.4°C)	0.9°F (0.5°C)	75th Coolest	Coolest since: 1980	1907
	58.9°F (14.9°C)	58.0°F (14.4°C)	0.9°F (0.5°C)	54th Warmest	Warmest since: 1977	1896
	Ties: 2000
Mar–May 1981 3-Month	53.1°F (11.7°C)	52.5°F (11.4°C)	0.6°F (0.3°C)	72nd Coolest	Coolest since: 1980	1960
	53.1°F (11.7°C)	52.5°F (11.4°C)	0.6°F (0.3°C)	57th Warmest	Warmest since: 1977	2012
	Ties: 1957, 1972
Feb–May 1981 4-Month	48.2°F (9.0°C)	47.3°F (8.5°C)	0.9°F (0.5°C)	81st Coolest	Coolest since: 1980	1978
	48.2°F (9.0°C)	47.3°F (8.5°C)	0.9°F (0.5°C)	48th Warmest	Warmest since: 1977	2012
	Ties: 1952
Jan–May 1981 5-Month	43.7°F (6.5°C)	43.4°F (6.3°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1980	1978
	43.7°F (6.5°C)	43.4°F (6.3°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1976	2012
	Ties: 1989, 2021, 2022
Dec 1980–May 1981 6-Month	41.9°F (5.5°C)	41.4°F (5.2°C)	0.5°F (0.3°C)	68th Coolest	Coolest since: 1980	1978
	41.9°F (5.5°C)	41.4°F (5.2°C)	0.5°F (0.3°C)	60th Warmest	Warmest since: 1976	2012
	Ties: 1909, 1975
Nov 1980–May 1981 7-Month	41.9°F (5.5°C)	41.5°F (5.3°C)	0.4°F (0.2°C)	69th Coolest	Coolest since: 1980	1978
	41.9°F (5.5°C)	41.5°F (5.3°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1976	2012
	Ties: 2009
Oct 1980–May 1981 8-Month	43.2°F (6.2°C)	43.3°F (6.3°C)	-0.1°F (-0.1°C)	46th Coolest	Coolest since: 1980	1978
	43.2°F (6.2°C)	43.3°F (6.3°C)	-0.1°F (-0.1°C)	82nd Warmest	Warmest since: 1976	2012
	Ties: 1943, 1962, 1966, 1973
Sep 1980–May 1981 9-Month	46.1°F (7.8°C)	46.0°F (7.8°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1980	1978
	46.1°F (7.8°C)	46.0°F (7.8°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1976	2012
	Ties: 1913, 1973, 1988
Aug 1980–May 1981 10-Month	49.3°F (9.6°C)	48.8°F (9.3°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1980	1978
	49.3°F (9.6°C)	48.8°F (9.3°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1976	2012
	Ties: 1896, 1925, 1927, 1931, 1983, 1990
Jul 1980–May 1981 11-Month	52.1°F (11.2°C)	51.4°F (10.8°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 1980	1904
	52.1°F (11.2°C)	51.4°F (10.8°C)	0.7°F (0.4°C)	41st Warmest	Warmest since: 1976	2012
	Ties: 1931, 2013
Jun 1980–May 1981 12-Month	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	83rd Coolest	Coolest since: 1980	1904
	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	45th Warmest	Warmest since: 1976	2012
	Ties: 1931, 2003
Dec 1979–May 1981 18-Month	49.1°F (9.5°C)	49.2°F (9.6°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1980	1979
	49.1°F (9.5°C)	49.2°F (9.6°C)	-0.1°F (-0.1°C)	71st Warmest	Warmest since: 1976	2017
	Ties: 1897, 1928, 1948, 1984, 1996
Jun 1979–May 1981 24-Month	52.8°F (11.6°C)	53.1°F (11.7°C)	-0.3°F (-0.1°C)	46th Coolest	Coolest since: 1980	1905, 1978
	52.8°F (11.6°C)	53.1°F (11.7°C)	-0.3°F (-0.1°C)	81st Warmest	Warmest since: 1976	2017
	Ties: 1903, 1967
Jun 1978–May 1981 36-Month	52.2°F (11.2°C)	53.0°F (11.7°C)	-0.8°F (-0.5°C)	14th Coolest	Coolest since: 1980	1979
	52.2°F (11.2°C)	53.0°F (11.7°C)	-0.8°F (-0.5°C)	112th Warmest	Warmest since: 1977	2018
	Ties: 1912, 1960, 1968, 1969, 2015
Jun 1977–May 1981 48-Month	51.7°F (10.9°C)	53.1°F (11.7°C)	-1.4°F (-0.8°C)	6th Coolest	Coolest since: 1980	1980
Jun 1977–May 1981 48-Month	51.7°F (10.9°C)	53.1°F (11.7°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1978	2019
Jun 1976–May 1981 60-Month	51.5°F (10.8°C)	53.0°F (11.7°C)	-1.5°F (-0.9°C)	1st Coolest	Coolest since: 1981	1981
Jun 1976–May 1981 60-Month	51.5°F (10.8°C)	53.0°F (11.7°C)	-1.5°F (-0.9°C)	123rd Warmest	Warmest since: 1980	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings