Regional Rankings

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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 2012

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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
December 2012 1-Month	39.5°F (4.2°C)	32.4°F (0.2°C)	7.1°F (4.0°C)	120th Coolest	Coolest since: 2011	1989
	39.5°F (4.2°C)	32.4°F (0.2°C)	7.1°F (4.0°C)	9th Warmest	Warmest since: 1984	2015
	Ties: 1918
Nov–Dec 2012 2-Month	40.1°F (4.5°C)	37.4°F (3.0°C)	2.7°F (1.5°C)	101st Coolest	Coolest since: 2010	1976
	40.1°F (4.5°C)	37.4°F (3.0°C)	2.7°F (1.5°C)	28th Warmest	Warmest since: 2011	2015
	Ties: 1902
Oct–Dec 2012 3-Month	44.4°F (6.9°C)	43.0°F (6.1°C)	1.4°F (0.8°C)	92nd Coolest	Coolest since: 2010	1917
	44.4°F (6.9°C)	43.0°F (6.1°C)	1.4°F (0.8°C)	37th Warmest	Warmest since: 2011	2015
	Ties: 1970, 2017
Sep–Dec 2012 4-Month	49.5°F (9.7°C)	48.7°F (9.3°C)	0.8°F (0.4°C)	75th Coolest	Coolest since: 2010	1976
	49.5°F (9.7°C)	48.7°F (9.3°C)	0.8°F (0.4°C)	54th Warmest	Warmest since: 2011	1931
	Ties: 1936, 1940, 1954, 1975
Aug–Dec 2012 5-Month	54.0°F (12.2°C)	53.4°F (11.9°C)	0.6°F (0.3°C)	73rd Coolest	Coolest since: 2010	1976
	54.0°F (12.2°C)	53.4°F (11.9°C)	0.6°F (0.3°C)	56th Warmest	Warmest since: 2011	1931
	Ties: 1934, 1949, 1961, 2017, 2022
Jul–Dec 2012 6-Month	58.1°F (14.5°C)	56.8°F (13.8°C)	1.3°F (0.7°C)	108th Coolest	Coolest since: 2010	1976
	58.1°F (14.5°C)	56.8°F (13.8°C)	1.3°F (0.7°C)	21st Warmest	Warmest since: 2011	1931
	Ties: 1934
Jun–Dec 2012 7-Month	59.9°F (15.5°C)	58.7°F (14.8°C)	1.2°F (0.7°C)	102nd Coolest	Coolest since: 2010	1976
	59.9°F (15.5°C)	58.7°F (14.8°C)	1.2°F (0.7°C)	27th Warmest	Warmest since: 2011	1931
	Ties: 1939, 1949, 1991
May–Dec 2012 8-Month	60.8°F (16.0°C)	59.0°F (15.0°C)	1.8°F (1.0°C)	113th Coolest	Coolest since: 2010	1917
May–Dec 2012 8-Month	60.8°F (16.0°C)	59.0°F (15.0°C)	1.8°F (1.0°C)	16th Warmest	Warmest since: 2011	1931
Apr–Dec 2012 9-Month	60.0°F (15.6°C)	58.2°F (14.6°C)	1.8°F (1.0°C)	114th Coolest	Coolest since: 2010	1917
	60.0°F (15.6°C)	58.2°F (14.6°C)	1.8°F (1.0°C)	15th Warmest	Warmest since: 2011	2015
	Ties: 1934
Mar–Dec 2012 10-Month	59.4°F (15.2°C)	56.5°F (13.6°C)	2.9°F (1.6°C)	127th Coolest	Coolest since: 2011	1917
	59.4°F (15.2°C)	56.5°F (13.6°C)	2.9°F (1.6°C)	2nd Warmest	Warmest since: 1921	2016
	Ties: 1921
Feb–Dec 2012 11-Month	57.4°F (14.1°C)	54.3°F (12.4°C)	3.1°F (1.7°C)	128th Coolest	Coolest since: 2011	1917
Feb–Dec 2012 11-Month	57.4°F (14.1°C)	54.3°F (12.4°C)	3.1°F (1.7°C)	1st Warmest	Warmest to Date	2012
Jan–Dec 2012 12-Month	55.5°F (13.1°C)	52.2°F (11.2°C)	3.3°F (1.9°C)	128th Coolest	Coolest since: 2011	1917
Jan–Dec 2012 12-Month	55.5°F (13.1°C)	52.2°F (11.2°C)	3.3°F (1.9°C)	1st Warmest	Warmest to Date	2012
Jul 2011–Dec 2012 18-Month	56.7°F (13.7°C)	53.7°F (12.1°C)	3.0°F (1.6°C)	127th Coolest	Coolest since: 2011	1904, 1917
	56.7°F (13.7°C)	53.7°F (12.1°C)	3.0°F (1.6°C)	1st Warmest	Warmest to Date	2012, 2016
	Ties: 2016
Jan 2011–Dec 2012 24-Month	54.7°F (12.6°C)	52.2°F (11.2°C)	2.5°F (1.4°C)	126th Coolest	Coolest since: 2011	1979
Jan 2011–Dec 2012 24-Month	54.7°F (12.6°C)	52.2°F (11.2°C)	2.5°F (1.4°C)	2nd Warmest	Warmest to Date	2017
Jan 2010–Dec 2012 36-Month	54.2°F (12.3°C)	52.2°F (11.2°C)	2.0°F (1.1°C)	124th Coolest	Coolest since: 2011	1980
Jan 2010–Dec 2012 36-Month	54.2°F (12.3°C)	52.2°F (11.2°C)	2.0°F (1.1°C)	3rd Warmest	Warmest to Date	2018
Jan 2009–Dec 2012 48-Month	53.7°F (12.1°C)	52.2°F (11.2°C)	1.5°F (0.9°C)	119th Coolest	Coolest since: 2011	1979
	53.7°F (12.1°C)	52.2°F (11.2°C)	1.5°F (0.9°C)	7th Warmest	Warmest since: 2007	2019
	Ties: 2007, 2013
Jan 2008–Dec 2012 60-Month	53.4°F (11.9°C)	52.2°F (11.2°C)	1.2°F (0.7°C)	117th Coolest	Coolest since: 2011	1980
	53.4°F (11.9°C)	52.2°F (11.2°C)	1.2°F (0.7°C)	8th Warmest	Warmest since: 2008	2020
	Ties: 2001, 2007, 2008, 2013, 2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings