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 2020

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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
May 2020 1-Month	61.3°F (16.3°C)	63.2°F (17.3°C)	-1.9°F (-1.0°C)	37th Coolest	Coolest since: 2008	1924
May 2020 1-Month	61.3°F (16.3°C)	63.2°F (17.3°C)	-1.9°F (-1.0°C)	92nd Warmest	Warmest since: 2019	2018
Apr–May 2020 2-Month	55.9°F (13.3°C)	58.0°F (14.4°C)	-2.1°F (-1.1°C)	18th Coolest	Coolest since: 1997	1907
	55.9°F (13.3°C)	58.0°F (14.4°C)	-2.1°F (-1.1°C)	111th Warmest	Warmest since: 2019	1896
	Ties: 1923, 1926, 1973
Mar–May 2020 3-Month	52.6°F (11.4°C)	52.5°F (11.4°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 2019	1960
	52.6°F (11.4°C)	52.5°F (11.4°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 2019	2012
	Ties: 1944, 1956, 2019
Feb–May 2020 4-Month	48.0°F (8.9°C)	47.2°F (8.4°C)	0.8°F (0.5°C)	77th Coolest	Coolest since: 2019	1978
	48.0°F (8.9°C)	47.2°F (8.4°C)	0.8°F (0.5°C)	52nd Warmest	Warmest since: 2018	2012
	Ties: 1915, 1935, 1956
Jan–May 2020 5-Month	45.3°F (7.4°C)	43.3°F (6.3°C)	2.0°F (1.1°C)	100th Coolest	Coolest since: 2019	1978
	45.3°F (7.4°C)	43.3°F (6.3°C)	2.0°F (1.1°C)	29th Warmest	Warmest since: 2017	2012
	Ties: 1974
Dec 2019–May 2020 6-Month	43.9°F (6.6°C)	41.4°F (5.2°C)	2.5°F (1.4°C)	113th Coolest	Coolest since: 2019	1978
	43.9°F (6.6°C)	41.4°F (5.2°C)	2.5°F (1.4°C)	15th Warmest	Warmest since: 2017	2012
	Ties: 1938, 1999
Nov 2019–May 2020 7-Month	43.0°F (6.1°C)	41.6°F (5.3°C)	1.4°F (0.8°C)	98th Coolest	Coolest since: 2019	1978
	43.0°F (6.1°C)	41.6°F (5.3°C)	1.4°F (0.8°C)	30th Warmest	Warmest since: 2017	2012
	Ties: 1939, 2010, 2021
Oct 2019–May 2020 8-Month	44.6°F (7.0°C)	43.3°F (6.3°C)	1.3°F (0.7°C)	97th Coolest	Coolest since: 2019	1978
	44.6°F (7.0°C)	43.3°F (6.3°C)	1.3°F (0.7°C)	31st Warmest	Warmest since: 2017	2012
	Ties: 1903, 1925, 1953, 1986
Sep 2019–May 2020 9-Month	47.7°F (8.7°C)	46.0°F (7.8°C)	1.7°F (0.9°C)	104th Coolest	Coolest since: 2019	1978
	47.7°F (8.7°C)	46.0°F (7.8°C)	1.7°F (0.9°C)	24th Warmest	Warmest since: 2017	2012
	Ties: 1995
Aug 2019–May 2020 10-Month	50.3°F (10.2°C)	48.8°F (9.3°C)	1.5°F (0.9°C)	105th Coolest	Coolest since: 2019	1978
	50.3°F (10.2°C)	48.8°F (9.3°C)	1.5°F (0.9°C)	23rd Warmest	Warmest since: 2017	2012
	Ties: 1987, 2007
Jul 2019–May 2020 11-Month	52.8°F (11.6°C)	51.4°F (10.8°C)	1.4°F (0.8°C)	106th Coolest	Coolest since: 2019	1904
Jul 2019–May 2020 11-Month	52.8°F (11.6°C)	51.4°F (10.8°C)	1.4°F (0.8°C)	22nd Warmest	Warmest since: 2017	2012
Jun 2019–May 2020 12-Month	54.3°F (12.4°C)	53.0°F (11.7°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 2019	1904
	54.3°F (12.4°C)	53.0°F (11.7°C)	1.3°F (0.7°C)	28th Warmest	Warmest since: 2017	2012
	Ties: 1976, 2004, 2011
Dec 2018–May 2020 18-Month	50.4°F (10.2°C)	49.1°F (9.5°C)	1.3°F (0.7°C)	96th Coolest	Coolest since: 2019	1979
Dec 2018–May 2020 18-Month	50.4°F (10.2°C)	49.1°F (9.5°C)	1.3°F (0.7°C)	31st Warmest	Warmest since: 2018	2017
Jun 2018–May 2020 24-Month	54.2°F (12.3°C)	53.1°F (11.7°C)	1.1°F (0.6°C)	108th Coolest	Coolest since: 2019	1905, 1978
	54.2°F (12.3°C)	53.1°F (11.7°C)	1.1°F (0.6°C)	19th Warmest	Warmest since: 2018	2017
	Ties: 1923, 1991, 2003, 2008
Jun 2017–May 2020 36-Month	54.1°F (12.3°C)	53.1°F (11.7°C)	1.0°F (0.6°C)	100th Coolest	Coolest since: 2016	1979
	54.1°F (12.3°C)	53.1°F (11.7°C)	1.0°F (0.6°C)	26th Warmest	Warmest since: 2019	2018
	Ties: 1954
Jun 2016–May 2020 48-Month	54.8°F (12.7°C)	53.0°F (11.7°C)	1.8°F (1.0°C)	122nd Coolest	Coolest since: 2018	1980
Jun 2016–May 2020 48-Month	54.8°F (12.7°C)	53.0°F (11.7°C)	1.8°F (1.0°C)	3rd Warmest	Warmest since: 2019	2019
Jun 2015–May 2020 60-Month	55.0°F (12.8°C)	53.1°F (11.7°C)	1.9°F (1.1°C)	123rd Coolest	Coolest since: 2019	1981
Jun 2015–May 2020 60-Month	55.0°F (12.8°C)	53.1°F (11.7°C)	1.9°F (1.1°C)	1st Warmest	Warmest to Date	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