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 1991

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1991 1-Month	52.4°F (11.3°C)	47.8°F (8.8°C)	4.6°F (2.5°C)	113th Coolest	Coolest since: 1990	1907
	52.4°F (11.3°C)	47.8°F (8.8°C)	4.6°F (2.5°C)	16th Warmest	Warmest since: 1986	1915
	Ties: 1921
Mar–Apr 1991 2-Month	46.1°F (7.8°C)	41.9°F (5.5°C)	4.2°F (2.3°C)	116th Coolest	Coolest since: 1990	1926
Mar–Apr 1991 2-Month	46.1°F (7.8°C)	41.9°F (5.5°C)	4.2°F (2.3°C)	13th Warmest	Warmest since: 1986	2012
Feb–Apr 1991 3-Month	40.7°F (4.8°C)	36.2°F (2.3°C)	4.5°F (2.5°C)	118th Coolest	Coolest since: 1990	1904
Feb–Apr 1991 3-Month	40.7°F (4.8°C)	36.2°F (2.3°C)	4.5°F (2.5°C)	11th Warmest	Warmest since: 1987	2012
Jan–Apr 1991 4-Month	35.4°F (1.9°C)	32.5°F (0.3°C)	2.9°F (1.6°C)	109th Coolest	Coolest since: 1989	1912
Jan–Apr 1991 4-Month	35.4°F (1.9°C)	32.5°F (0.3°C)	2.9°F (1.6°C)	20th Warmest	Warmest since: 1990	2012
Dec 1990–Apr 1991 5-Month	33.9°F (1.1°C)	31.1°F (-0.5°C)	2.8°F (1.6°C)	108th Coolest	Coolest since: 1990	1904
	33.9°F (1.1°C)	31.1°F (-0.5°C)	2.8°F (1.6°C)	20th Warmest	Warmest since: 1987	2012
	Ties: 1942
Nov 1990–Apr 1991 6-Month	35.5°F (1.9°C)	32.3°F (0.2°C)	3.2°F (1.7°C)	113th Coolest	Coolest since: 1990	1904
	35.5°F (1.9°C)	32.3°F (0.2°C)	3.2°F (1.7°C)	15th Warmest	Warmest since: 1987	2012
	Ties: 1954
Oct 1990–Apr 1991 7-Month	37.7°F (3.2°C)	35.1°F (1.7°C)	2.6°F (1.5°C)	111th Coolest	Coolest since: 1990	1904
Oct 1990–Apr 1991 7-Month	37.7°F (3.2°C)	35.1°F (1.7°C)	2.6°F (1.5°C)	17th Warmest	Warmest since: 1987	2012
Sep 1990–Apr 1991 8-Month	41.2°F (5.1°C)	38.7°F (3.7°C)	2.5°F (1.4°C)	113th Coolest	Coolest since: 1990	1904
	41.2°F (5.1°C)	38.7°F (3.7°C)	2.5°F (1.4°C)	15th Warmest	Warmest since: 1987	2012
	Ties: 1942
Aug 1990–Apr 1991 9-Month	44.5°F (6.9°C)	42.3°F (5.7°C)	2.2°F (1.2°C)	113th Coolest	Coolest since: 1990	1904
	44.5°F (6.9°C)	42.3°F (5.7°C)	2.2°F (1.2°C)	15th Warmest	Warmest since: 1987	2012, 2017
	Ties: 1987, 2004, 2005
Jul 1990–Apr 1991 10-Month	47.2°F (8.4°C)	45.4°F (7.4°C)	1.8°F (1.0°C)	108th Coolest	Coolest since: 1990	1904
	47.2°F (8.4°C)	45.4°F (7.4°C)	1.8°F (1.0°C)	20th Warmest	Warmest since: 1987	2012
	Ties: 2004, 2005
Jun 1990–Apr 1991 11-Month	49.2°F (9.6°C)	47.5°F (8.6°C)	1.7°F (1.0°C)	109th Coolest	Coolest since: 1990	1904
	49.2°F (9.6°C)	47.5°F (8.6°C)	1.7°F (1.0°C)	19th Warmest	Warmest since: 1987	2012
	Ties: 1922, 1974
May 1990–Apr 1991 12-Month	49.8°F (9.9°C)	48.5°F (9.2°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 1990	1904, 1918
	49.8°F (9.9°C)	48.5°F (9.2°C)	1.3°F (0.7°C)	28th Warmest	Warmest since: 1989	2012
	Ties: 1931
Nov 1989–Apr 1991 18-Month	44.6°F (7.0°C)	43.1°F (6.2°C)	1.5°F (0.8°C)	103rd Coolest	Coolest since: 1990	1905, 1918
	44.6°F (7.0°C)	43.1°F (6.2°C)	1.5°F (0.8°C)	24th Warmest	Warmest since: 1988	2017
	Ties: 1933, 1942
May 1989–Apr 1991 24-Month	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	96th Coolest	Coolest since: 1986	1905
May 1989–Apr 1991 24-Month	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1990	2017
May 1988–Apr 1991 36-Month	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	102nd Coolest	Coolest since: 1990	1918
	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	24th Warmest	Warmest since: 1989	2000
	Ties: 2003
May 1987–Apr 1991 48-Month	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	104th Coolest	Coolest since: 1989	1980
	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	21st Warmest	Warmest since: 1990	2002
	Ties: 1922, 1924, 1957, 1989, 2004, 2014, 2021
May 1986–Apr 1991 60-Month	49.7°F (9.8°C)	48.4°F (9.1°C)	1.3°F (0.7°C)	107th Coolest	Coolest since: 1990	1908, 1920
	49.7°F (9.8°C)	48.4°F (9.1°C)	1.3°F (0.7°C)	17th Warmest	Warmest since: 1935	2002
	Ties: 2000, 2005

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings