Regional Rankings

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Year:

Month:

Region:

Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio River Basin

Average Temperature Rankings, December 2011

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 2011 1-Month	38.2°F (3.4°C)	32.4°F (0.2°C)	5.8°F (3.2°C)	116th Coolest	Coolest since: 2010	1989
	38.2°F (3.4°C)	32.4°F (0.2°C)	5.8°F (3.2°C)	13th Warmest	Warmest since: 2006	2015
	Ties: 1994
Nov–Dec 2011 2-Month	42.9°F (6.1°C)	37.4°F (3.0°C)	5.5°F (3.1°C)	124th Coolest	Coolest since: 2010	1976
Nov–Dec 2011 2-Month	42.9°F (6.1°C)	37.4°F (3.0°C)	5.5°F (3.1°C)	5th Warmest	Warmest since: 2001	2015
Oct–Dec 2011 3-Month	46.5°F (8.1°C)	43.0°F (6.1°C)	3.5°F (2.0°C)	119th Coolest	Coolest since: 2010	1917
	46.5°F (8.1°C)	43.0°F (6.1°C)	3.5°F (2.0°C)	10th Warmest	Warmest since: 2001	2015
	Ties: 1941, 1956, 2016
Sep–Dec 2011 4-Month	51.1°F (10.6°C)	48.7°F (9.3°C)	2.4°F (1.3°C)	116th Coolest	Coolest since: 2010	1976
	51.1°F (10.6°C)	48.7°F (9.3°C)	2.4°F (1.3°C)	13th Warmest	Warmest since: 2007	1931
	Ties: 1982
Aug–Dec 2011 5-Month	55.5°F (13.1°C)	53.4°F (11.9°C)	2.1°F (1.2°C)	118th Coolest	Coolest since: 2010	1976
	55.5°F (13.1°C)	53.4°F (11.9°C)	2.1°F (1.2°C)	11th Warmest	Warmest since: 2007	1931
	Ties: 2019
Jul–Dec 2011 6-Month	59.2°F (15.1°C)	56.8°F (13.8°C)	2.4°F (1.3°C)	120th Coolest	Coolest since: 2010	1976
Jul–Dec 2011 6-Month	59.2°F (15.1°C)	56.8°F (13.8°C)	2.4°F (1.3°C)	9th Warmest	Warmest since: 2007	1931
Jun–Dec 2011 7-Month	61.0°F (16.1°C)	58.7°F (14.8°C)	2.3°F (1.3°C)	121st Coolest	Coolest since: 2010	1976
Jun–Dec 2011 7-Month	61.0°F (16.1°C)	58.7°F (14.8°C)	2.3°F (1.3°C)	8th Warmest	Warmest since: 2007	1931
May–Dec 2011 8-Month	61.2°F (16.2°C)	59.0°F (15.0°C)	2.2°F (1.2°C)	119th Coolest	Coolest since: 2010	1917
May–Dec 2011 8-Month	61.2°F (16.2°C)	59.0°F (15.0°C)	2.2°F (1.2°C)	10th Warmest	Warmest since: 2007	1931
Apr–Dec 2011 9-Month	60.4°F (15.8°C)	58.2°F (14.6°C)	2.2°F (1.2°C)	123rd Coolest	Coolest since: 2010	1917
	60.4°F (15.8°C)	58.2°F (14.6°C)	2.2°F (1.2°C)	6th Warmest	Warmest since: 2007	2015
	Ties: 1900, 1921, 2007, 2021
Mar–Dec 2011 10-Month	58.7°F (14.8°C)	56.5°F (13.6°C)	2.2°F (1.2°C)	121st Coolest	Coolest since: 2010	1917
	58.7°F (14.8°C)	56.5°F (13.6°C)	2.2°F (1.2°C)	8th Warmest	Warmest since: 2007	2016
	Ties: 1931, 1998
Feb–Dec 2011 11-Month	56.5°F (13.6°C)	54.3°F (12.4°C)	2.2°F (1.2°C)	122nd Coolest	Coolest since: 2010	1917
Feb–Dec 2011 11-Month	56.5°F (13.6°C)	54.3°F (12.4°C)	2.2°F (1.2°C)	7th Warmest	Warmest since: 1998	2012
Jan–Dec 2011 12-Month	54.0°F (12.2°C)	52.2°F (11.2°C)	1.8°F (1.0°C)	116th Coolest	Coolest since: 2010	1917
	54.0°F (12.2°C)	52.2°F (11.2°C)	1.8°F (1.0°C)	13th Warmest	Warmest since: 2007	2012
	Ties: 1949, 1953, 2006
Jul 2010–Dec 2011 18-Month	55.1°F (12.8°C)	53.7°F (12.1°C)	1.4°F (0.7°C)	110th Coolest	Coolest since: 2010	1904, 1917
	55.1°F (12.8°C)	53.7°F (12.1°C)	1.4°F (0.7°C)	18th Warmest	Warmest since: 2007	2012, 2016
	Ties: 1939, 1949
Jan 2010–Dec 2011 24-Month	53.5°F (11.9°C)	52.2°F (11.2°C)	1.3°F (0.7°C)	107th Coolest	Coolest since: 2010	1979
	53.5°F (11.9°C)	52.2°F (11.2°C)	1.3°F (0.7°C)	21st Warmest	Warmest since: 2007	2017
	Ties: 1933
Jan 2009–Dec 2011 36-Month	53.1°F (11.7°C)	52.2°F (11.2°C)	0.9°F (0.5°C)	100th Coolest	Coolest since: 2010	1980
	53.1°F (11.7°C)	52.2°F (11.2°C)	0.9°F (0.5°C)	27th Warmest	Warmest since: 2008	2018
	Ties: 1939, 2016
Jan 2008–Dec 2011 48-Month	52.8°F (11.6°C)	52.2°F (11.2°C)	0.6°F (0.4°C)	86th Coolest	Coolest since: 1998	1979
	52.8°F (11.6°C)	52.2°F (11.2°C)	0.6°F (0.4°C)	40th Warmest	Warmest since: 2010	2019
	Ties: 1924, 1936, 2016
Jan 2007–Dec 2011 60-Month	53.1°F (11.7°C)	52.2°F (11.2°C)	0.9°F (0.5°C)	101st Coolest	Coolest since: 2010	1980
	53.1°F (11.7°C)	52.2°F (11.2°C)	0.9°F (0.5°C)	24th Warmest	Warmest since: 2010	2020
	Ties: 1922, 1923, 1955, 1991, 2010, 2014

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings