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, February 1999

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
February 1999 1-Month	38.7°F (3.7°C)	31.5°F (-0.3°C)	7.2°F (4.0°C)	118th Coolest	Coolest since: 1997	1978
February 1999 1-Month	38.7°F (3.7°C)	31.5°F (-0.3°C)	7.2°F (4.0°C)	11th Warmest	Warmest since: 1998	2017
Jan–Feb 1999 2-Month	33.6°F (0.9°C)	29.6°F (-1.3°C)	4.0°F (2.2°C)	108th Coolest	Coolest since: 1997	1979
	33.6°F (0.9°C)	29.6°F (-1.3°C)	4.0°F (2.2°C)	21st Warmest	Warmest since: 1998	2017
	Ties: 1911
Dec 1998–Feb 1999 3-Month	34.6°F (1.4°C)	30.3°F (-0.9°C)	4.3°F (2.3°C)	113th Coolest	Coolest since: 1997	1978
Dec 1998–Feb 1999 3-Month	34.6°F (1.4°C)	30.3°F (-0.9°C)	4.3°F (2.3°C)	15th Warmest	Warmest since: 1998	1932
Nov 1998–Feb 1999 4-Month	37.6°F (3.1°C)	33.3°F (0.7°C)	4.3°F (2.4°C)	121st Coolest	Coolest since: 1998	1977
Nov 1998–Feb 1999 4-Month	37.6°F (3.1°C)	33.3°F (0.7°C)	4.3°F (2.4°C)	7th Warmest	Warmest since: 1932	1932
Oct 1998–Feb 1999 5-Month	41.7°F (5.4°C)	37.8°F (3.2°C)	3.9°F (2.2°C)	121st Coolest	Coolest since: 1998	1977
Oct 1998–Feb 1999 5-Month	41.7°F (5.4°C)	37.8°F (3.2°C)	3.9°F (2.2°C)	7th Warmest	Warmest since: 1932	1932
Sep 1998–Feb 1999 6-Month	46.7°F (8.2°C)	42.7°F (5.9°C)	4.0°F (2.3°C)	124th Coolest	Coolest since: 1998	1977
Sep 1998–Feb 1999 6-Month	46.7°F (8.2°C)	42.7°F (5.9°C)	4.0°F (2.3°C)	4th Warmest	Warmest since: 1932	1932
Aug 1998–Feb 1999 7-Month	50.8°F (10.4°C)	47.2°F (8.4°C)	3.6°F (2.0°C)	125th Coolest	Coolest since: 1998	1977
Aug 1998–Feb 1999 7-Month	50.8°F (10.4°C)	47.2°F (8.4°C)	3.6°F (2.0°C)	3rd Warmest	Warmest since: 1932	1932
Jul 1998–Feb 1999 8-Month	54.0°F (12.2°C)	50.9°F (10.5°C)	3.1°F (1.7°C)	124th Coolest	Coolest since: 1998	1977
Jul 1998–Feb 1999 8-Month	54.0°F (12.2°C)	50.9°F (10.5°C)	3.1°F (1.7°C)	4th Warmest	Warmest since: 1932	1932
Jun 1998–Feb 1999 9-Month	56.1°F (13.4°C)	53.3°F (11.8°C)	2.8°F (1.6°C)	123rd Coolest	Coolest since: 1998	1977
Jun 1998–Feb 1999 9-Month	56.1°F (13.4°C)	53.3°F (11.8°C)	2.8°F (1.6°C)	5th Warmest	Warmest since: 1954	1932
May 1998–Feb 1999 10-Month	57.3°F (14.1°C)	54.3°F (12.4°C)	3.0°F (1.7°C)	125th Coolest	Coolest since: 1998	1977
May 1998–Feb 1999 10-Month	57.3°F (14.1°C)	54.3°F (12.4°C)	3.0°F (1.7°C)	3rd Warmest	Warmest since: 1932	1932
Apr 1998–Feb 1999 11-Month	57.0°F (13.9°C)	54.1°F (12.3°C)	2.9°F (1.6°C)	123rd Coolest	Coolest since: 1998	1918
	57.0°F (13.9°C)	54.1°F (12.3°C)	2.9°F (1.6°C)	5th Warmest	Warmest since: 1992	1932
	Ties: 2002
Mar 1998–Feb 1999 12-Month	55.7°F (13.2°C)	53.0°F (11.7°C)	2.7°F (1.5°C)	122nd Coolest	Coolest since: 1998	1918
Mar 1998–Feb 1999 12-Month	55.7°F (13.2°C)	53.0°F (11.7°C)	2.7°F (1.5°C)	6th Warmest	Warmest since: 1992	2017
Sep 1997–Feb 1999 18-Month	52.3°F (11.3°C)	49.6°F (9.8°C)	2.7°F (1.5°C)	122nd Coolest	Coolest since: 1998	1905
	52.3°F (11.3°C)	49.6°F (9.8°C)	2.7°F (1.5°C)	5th Warmest	Warmest since: 1992	2017
	Ties: 1992, 2000
Mar 1997–Feb 1999 24-Month	54.7°F (12.6°C)	53.1°F (11.7°C)	1.6°F (0.9°C)	114th Coolest	Coolest since: 1998	1905
	54.7°F (12.6°C)	53.1°F (11.7°C)	1.6°F (0.9°C)	13th Warmest	Warmest since: 1992	2013, 2017
	Ties: 2008
Mar 1996–Feb 1999 36-Month	53.8°F (12.1°C)	53.1°F (11.7°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 1998	1979
	53.8°F (12.1°C)	53.1°F (11.7°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1993	2013
	Ties: 1944, 1950, 1990
Mar 1995–Feb 1999 48-Month	53.6°F (12.0°C)	53.1°F (11.7°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1998	1980
	53.6°F (12.0°C)	53.1°F (11.7°C)	0.5°F (0.3°C)	41st Warmest	Warmest since: 1995	2019
	Ties: 1943, 1945, 1994, 1995, 2010, 2015, 2017
Mar 1994–Feb 1999 60-Month	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	87th Coolest	Coolest since: 1998	1981
	53.7°F (12.1°C)	53.1°F (11.7°C)	0.6°F (0.4°C)	37th Warmest	Warmest since: 1995	2020
	Ties: 1937, 1939, 1941, 1950, 1989, 1995

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings