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 2. Northeast

Average Temperature Rankings, April 2021

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2021 1-Month	50.6°F (10.3°C)	47.8°F (8.8°C)	2.8°F (1.5°C)	101st Coolest	Coolest since: 2020	1907
	50.6°F (10.3°C)	47.8°F (8.8°C)	2.8°F (1.5°C)	28th Warmest	Warmest since: 2017	1915
	Ties: 1987, 1999
Mar–Apr 2021 2-Month	46.5°F (8.1°C)	41.8°F (5.4°C)	4.7°F (2.7°C)	120th Coolest	Coolest since: 2020	1926
Mar–Apr 2021 2-Month	46.5°F (8.1°C)	41.8°F (5.4°C)	4.7°F (2.7°C)	9th Warmest	Warmest since: 2012	2012
Feb–Apr 2021 3-Month	36.6°F (2.6°C)	36.2°F (2.3°C)	0.4°F (0.3°C)	73rd Coolest	Coolest since: 2019	1904
	36.6°F (2.6°C)	36.2°F (2.3°C)	0.4°F (0.3°C)	56th Warmest	Warmest since: 2020	2012
	Ties: 1964, 2011
Jan–Apr 2021 4-Month	34.0°F (1.1°C)	32.4°F (0.2°C)	1.6°F (0.9°C)	86th Coolest	Coolest since: 2019	1912
	34.0°F (1.1°C)	32.4°F (0.2°C)	1.6°F (0.9°C)	43rd Warmest	Warmest since: 2020	2012
	Ties: 1915
Dec 2020–Apr 2021 5-Month	33.4°F (0.8°C)	31.2°F (-0.4°C)	2.2°F (1.2°C)	101st Coolest	Coolest since: 2019	1904
Dec 2020–Apr 2021 5-Month	33.4°F (0.8°C)	31.2°F (-0.4°C)	2.2°F (1.2°C)	27th Warmest	Warmest since: 2020	2012
Nov 2020–Apr 2021 6-Month	35.4°F (1.9°C)	32.3°F (0.2°C)	3.1°F (1.7°C)	111th Coolest	Coolest since: 2020	1904
Nov 2020–Apr 2021 6-Month	35.4°F (1.9°C)	32.3°F (0.2°C)	3.1°F (1.7°C)	17th Warmest	Warmest since: 2017	2012
Oct 2020–Apr 2021 7-Month	37.3°F (2.9°C)	35.1°F (1.7°C)	2.2°F (1.2°C)	106th Coolest	Coolest since: 2020	1904
Oct 2020–Apr 2021 7-Month	37.3°F (2.9°C)	35.1°F (1.7°C)	2.2°F (1.2°C)	22nd Warmest	Warmest since: 2017	2012
Sep 2020–Apr 2021 8-Month	40.6°F (4.8°C)	38.7°F (3.7°C)	1.9°F (1.1°C)	106th Coolest	Coolest since: 2019	1904
	40.6°F (4.8°C)	38.7°F (3.7°C)	1.9°F (1.1°C)	22nd Warmest	Warmest since: 2020	2012
	Ties: 1992
Aug 2020–Apr 2021 9-Month	44.2°F (6.8°C)	42.3°F (5.7°C)	1.9°F (1.1°C)	107th Coolest	Coolest since: 2019	1904
	44.2°F (6.8°C)	42.3°F (5.7°C)	1.9°F (1.1°C)	21st Warmest	Warmest since: 2020	2012, 2017
	Ties: 1919, 1992
Jul 2020–Apr 2021 10-Month	47.4°F (8.6°C)	45.4°F (7.4°C)	2.0°F (1.2°C)	112th Coolest	Coolest since: 2019	1904
	47.4°F (8.6°C)	45.4°F (7.4°C)	2.0°F (1.2°C)	16th Warmest	Warmest since: 2020	2012
	Ties: 1976
Jun 2020–Apr 2021 11-Month	49.6°F (9.8°C)	47.5°F (8.6°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 2020	1904
Jun 2020–Apr 2021 11-Month	49.6°F (9.8°C)	47.5°F (8.6°C)	2.1°F (1.2°C)	14th Warmest	Warmest since: 2017	2012
May 2020–Apr 2021 12-Month	50.3°F (10.2°C)	48.4°F (9.1°C)	1.9°F (1.1°C)	112th Coolest	Coolest since: 2020	1904, 1918
	50.3°F (10.2°C)	48.4°F (9.1°C)	1.9°F (1.1°C)	16th Warmest	Warmest since: 2017	2012
	Ties: 1935
Nov 2019–Apr 2021 18-Month	45.2°F (7.3°C)	43.1°F (6.2°C)	2.1°F (1.1°C)	114th Coolest	Coolest since: 2020	1905, 1918
Nov 2019–Apr 2021 18-Month	45.2°F (7.3°C)	43.1°F (6.2°C)	2.1°F (1.1°C)	13th Warmest	Warmest since: 2017	2017
May 2019–Apr 2021 24-Month	50.2°F (10.1°C)	48.4°F (9.1°C)	1.8°F (1.0°C)	114th Coolest	Coolest since: 2020	1905
	50.2°F (10.1°C)	48.4°F (9.1°C)	1.8°F (1.0°C)	13th Warmest	Warmest since: 2018	2017
	Ties: 1955, 2003
May 2018–Apr 2021 36-Month	50.0°F (10.0°C)	48.5°F (9.2°C)	1.5°F (0.8°C)	112th Coolest	Coolest since: 2020	1918
	50.0°F (10.0°C)	48.5°F (9.2°C)	1.5°F (0.8°C)	14th Warmest	Warmest since: 2019	2000
	Ties: 1933, 1992, 2004
May 2017–Apr 2021 48-Month	49.6°F (9.8°C)	48.5°F (9.2°C)	1.1°F (0.6°C)	104th Coolest	Coolest since: 2017	1980
	49.6°F (9.8°C)	48.5°F (9.2°C)	1.1°F (0.6°C)	21st Warmest	Warmest since: 2020	2002
	Ties: 1922, 1924, 1957, 1989, 1991, 2004, 2014
May 2016–Apr 2021 60-Month	50.2°F (10.1°C)	48.4°F (9.1°C)	1.8°F (1.0°C)	119th Coolest	Coolest since: 2019	1908, 1920
May 2016–Apr 2021 60-Month	50.2°F (10.1°C)	48.4°F (9.1°C)	1.8°F (1.0°C)	5th Warmest	Warmest since: 2020	2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings