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 1999

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1999 1-Month	50.6°F (10.3°C)	47.8°F (8.8°C)	2.8°F (1.5°C)	101st Coolest	Coolest since: 1998	1907
	50.6°F (10.3°C)	47.8°F (8.8°C)	2.8°F (1.5°C)	28th Warmest	Warmest since: 1994	1915
	Ties: 1987, 2021
Mar–Apr 1999 2-Month	42.9°F (6.1°C)	41.8°F (5.4°C)	1.1°F (0.7°C)	82nd Coolest	Coolest since: 1997	1926
Mar–Apr 1999 2-Month	42.9°F (6.1°C)	41.8°F (5.4°C)	1.1°F (0.7°C)	47th Warmest	Warmest since: 1998	2012
Feb–Apr 1999 3-Month	39.9°F (4.4°C)	36.2°F (2.3°C)	3.7°F (2.1°C)	112th Coolest	Coolest since: 1997	1904
	39.9°F (4.4°C)	36.2°F (2.3°C)	3.7°F (2.1°C)	17th Warmest	Warmest since: 1998	2012
	Ties: 2005
Jan–Apr 1999 4-Month	34.9°F (1.6°C)	32.4°F (0.2°C)	2.5°F (1.4°C)	103rd Coolest	Coolest since: 1997	1912
	34.9°F (1.6°C)	32.4°F (0.2°C)	2.5°F (1.4°C)	26th Warmest	Warmest since: 1998	2012
	Ties: 1945, 1981
Dec 1998–Apr 1999 5-Month	34.7°F (1.5°C)	31.2°F (-0.4°C)	3.5°F (1.9°C)	115th Coolest	Coolest since: 1997	1904
Dec 1998–Apr 1999 5-Month	34.7°F (1.5°C)	31.2°F (-0.4°C)	3.5°F (1.9°C)	13th Warmest	Warmest since: 1998	2012
Nov 1998–Apr 1999 6-Month	36.1°F (2.3°C)	32.3°F (0.2°C)	3.8°F (2.1°C)	119th Coolest	Coolest since: 1997	1904
	36.1°F (2.3°C)	32.3°F (0.2°C)	3.8°F (2.1°C)	9th Warmest	Warmest since: 1998	2012
	Ties: 2006
Oct 1998–Apr 1999 7-Month	38.7°F (3.7°C)	35.1°F (1.7°C)	3.6°F (2.0°C)	119th Coolest	Coolest since: 1997	1904
	38.7°F (3.7°C)	35.1°F (1.7°C)	3.6°F (2.0°C)	9th Warmest	Warmest since: 1998	2012
	Ties: 2006
Sep 1998–Apr 1999 8-Month	42.4°F (5.8°C)	38.7°F (3.7°C)	3.7°F (2.1°C)	120th Coolest	Coolest since: 1998	1904
Sep 1998–Apr 1999 8-Month	42.4°F (5.8°C)	38.7°F (3.7°C)	3.7°F (2.1°C)	8th Warmest	Warmest since: 1932	2012
Aug 1998–Apr 1999 9-Month	45.8°F (7.7°C)	42.3°F (5.7°C)	3.5°F (2.0°C)	120th Coolest	Coolest since: 1998	1904
Aug 1998–Apr 1999 9-Month	45.8°F (7.7°C)	42.3°F (5.7°C)	3.5°F (2.0°C)	8th Warmest	Warmest since: 1932	2012, 2017
Jul 1998–Apr 1999 10-Month	48.6°F (9.2°C)	45.4°F (7.4°C)	3.2°F (1.8°C)	121st Coolest	Coolest since: 1998	1904
	48.6°F (9.2°C)	45.4°F (7.4°C)	3.2°F (1.8°C)	7th Warmest	Warmest since: 1932	2012
	Ties: 1921
Jun 1998–Apr 1999 11-Month	50.4°F (10.2°C)	47.5°F (8.6°C)	2.9°F (1.6°C)	120th Coolest	Coolest since: 1998	1904
	50.4°F (10.2°C)	47.5°F (8.6°C)	2.9°F (1.6°C)	8th Warmest	Warmest since: 1932	2012
	Ties: 2000
May 1998–Apr 1999 12-Month	51.6°F (10.9°C)	48.4°F (9.1°C)	3.2°F (1.8°C)	124th Coolest	Coolest since: 1998	1904, 1918
	51.6°F (10.9°C)	48.4°F (9.1°C)	3.2°F (1.8°C)	4th Warmest	Warmest to Date	2012
	Ties: 2006
Nov 1997–Apr 1999 18-Month	46.7°F (8.2°C)	43.1°F (6.2°C)	3.6°F (2.0°C)	125th Coolest	Coolest since: 1998	1905, 1918
	46.7°F (8.2°C)	43.1°F (6.2°C)	3.6°F (2.0°C)	2nd Warmest	Warmest to Date	2017
	Ties: 2013
May 1997–Apr 1999 24-Month	50.8°F (10.4°C)	48.4°F (9.1°C)	2.4°F (1.3°C)	122nd Coolest	Coolest since: 1998	1905
	50.8°F (10.4°C)	48.4°F (9.1°C)	2.4°F (1.3°C)	5th Warmest	Warmest to Date	2017
	Ties: 2006
May 1996–Apr 1999 36-Month	49.7°F (9.8°C)	48.5°F (9.2°C)	1.2°F (0.6°C)	104th Coolest	Coolest since: 1998	1918
	49.7°F (9.8°C)	48.5°F (9.2°C)	1.2°F (0.6°C)	22nd Warmest	Warmest since: 1992	2000
	Ties: 2014
May 1995–Apr 1999 48-Month	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1998	1980
	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1993	2002
	Ties: 1923, 1933, 1942, 1955, 1993
May 1994–Apr 1999 60-Month	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	97th Coolest	Coolest since: 1998	1908, 1920
	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	27th Warmest	Warmest since: 1993	2002
	Ties: 1923, 1993

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings