Statewide 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

Average Temperature Rankings, November 1999

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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
November 1999 1-Month	48.4°F (9.1°C)	40.8°F (4.9°C)	7.6°F (4.2°C)	125th Coolest	Coolest since: 1998	1976
November 1999 1-Month	48.4°F (9.1°C)	40.8°F (4.9°C)	7.6°F (4.2°C)	4th Warmest	Warmest since: 1931	2001
Oct–Nov 1999 2-Month	51.5°F (10.8°C)	47.7°F (8.7°C)	3.8°F (2.1°C)	122nd Coolest	Coolest since: 1998	1976
Oct–Nov 1999 2-Month	51.5°F (10.8°C)	47.7°F (8.7°C)	3.8°F (2.1°C)	7th Warmest	Warmest since: 1971	1963, 2016
Sep–Nov 1999 3-Month	56.0°F (13.3°C)	53.9°F (12.2°C)	2.1°F (1.1°C)	109th Coolest	Coolest since: 1997	1976
	56.0°F (13.3°C)	53.9°F (12.2°C)	2.1°F (1.1°C)	20th Warmest	Warmest since: 1998	1931
	Ties: 1994, 2001
Aug–Nov 1999 4-Month	60.0°F (15.6°C)	58.8°F (14.9°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 1997	1976
	60.0°F (15.6°C)	58.8°F (14.9°C)	1.2°F (0.7°C)	29th Warmest	Warmest since: 1998	2016
	Ties: 1939, 1990
Jul–Nov 1999 5-Month	63.7°F (17.6°C)	62.1°F (16.7°C)	1.6°F (0.9°C)	107th Coolest	Coolest since: 1997	1976
	63.7°F (17.6°C)	62.1°F (16.7°C)	1.6°F (0.9°C)	22nd Warmest	Warmest since: 1998	1931
	Ties: 1897, 1947, 2001
Jun–Nov 1999 6-Month	65.1°F (18.4°C)	63.7°F (17.6°C)	1.4°F (0.8°C)	105th Coolest	Coolest since: 1997	1976
	65.1°F (18.4°C)	63.7°F (17.6°C)	1.4°F (0.8°C)	24th Warmest	Warmest since: 1998	1931
	Ties: 1899, 1922, 2015
May–Nov 1999 7-Month	65.0°F (18.3°C)	63.5°F (17.5°C)	1.5°F (0.8°C)	107th Coolest	Coolest since: 1997	1917, 1976
	65.0°F (18.3°C)	63.5°F (17.5°C)	1.5°F (0.8°C)	22nd Warmest	Warmest since: 1998	1934, 2016
	Ties: 1933, 2012
Apr–Nov 1999 8-Month	63.6°F (17.6°C)	62.0°F (16.7°C)	1.6°F (0.9°C)	112th Coolest	Coolest since: 1997	1907
	63.6°F (17.6°C)	62.0°F (16.7°C)	1.6°F (0.9°C)	17th Warmest	Warmest since: 1998	2010, 2016
	Ties: 1922, 1963, 1987, 2021
Mar–Nov 1999 9-Month	60.8°F (16.0°C)	59.5°F (15.3°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1997	1917
Mar–Nov 1999 9-Month	60.8°F (16.0°C)	59.5°F (15.3°C)	1.3°F (0.7°C)	27th Warmest	Warmest since: 1998	2016
Feb–Nov 1999 10-Month	58.5°F (14.7°C)	56.5°F (13.6°C)	2.0°F (1.1°C)	116th Coolest	Coolest since: 1997	1917
Feb–Nov 1999 10-Month	58.5°F (14.7°C)	56.5°F (13.6°C)	2.0°F (1.1°C)	13th Warmest	Warmest since: 1998	2012, 2016
Jan–Nov 1999 11-Month	55.4°F (13.0°C)	53.6°F (12.0°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 1997	1904, 1979
	55.4°F (13.0°C)	53.6°F (12.0°C)	1.8°F (1.0°C)	18th Warmest	Warmest since: 1998	2012
	Ties: 1933, 1946
Dec 1998–Nov 1999 12-Month	53.7°F (12.1°C)	51.6°F (10.9°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 1997	1904
	53.7°F (12.1°C)	51.6°F (10.9°C)	2.1°F (1.2°C)	14th Warmest	Warmest since: 1998	2016
	Ties: 1983
Jun 1998–Nov 1999 18-Month	57.8°F (14.3°C)	55.7°F (13.2°C)	2.1°F (1.1°C)	123rd Coolest	Coolest since: 1998	1904
	57.8°F (14.3°C)	55.7°F (13.2°C)	2.1°F (1.1°C)	5th Warmest	Warmest since: 1954	2012, 2016
	Ties: 1932, 1954
Dec 1997–Nov 1999 24-Month	54.4°F (12.4°C)	51.6°F (10.9°C)	2.8°F (1.5°C)	125th Coolest	Coolest since: 1998	1979
Dec 1997–Nov 1999 24-Month	54.4°F (12.4°C)	51.6°F (10.9°C)	2.8°F (1.5°C)	2nd Warmest	Warmest to Date	2017
Dec 1996–Nov 1999 36-Month	53.2°F (11.8°C)	51.6°F (10.9°C)	1.6°F (0.9°C)	114th Coolest	Coolest since: 1998	1905
	53.2°F (11.8°C)	51.6°F (10.9°C)	1.6°F (0.9°C)	12th Warmest	Warmest since: 1955	2000, 2017, 2018
	Ties: 1932, 2022
Dec 1995–Nov 1999 48-Month	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	96th Coolest	Coolest since: 1998	1905
	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	29th Warmest	Warmest since: 1992	2007, 2018
	Ties: 1924, 1932, 1936, 1989, 1992, 2004, 2009
Dec 1994–Nov 1999 60-Month	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1998	1907
	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F (0.4°C)	35th Warmest	Warmest since: 1992	2002, 2020
	Ties: 1922, 1941, 1958, 1987, 1989

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings