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 1970

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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 1970 1-Month	35.3°F (1.8°C)	32.4°F (0.2°C)	2.9°F (1.6°C)	93rd Coolest	Coolest since: 1969	1989
	35.3°F (1.8°C)	32.4°F (0.2°C)	2.9°F (1.6°C)	36th Warmest	Warmest since: 1965	2015
	Ties: 1921
Nov–Dec 1970 2-Month	38.8°F (3.8°C)	37.4°F (3.0°C)	1.4°F (0.8°C)	84th Coolest	Coolest since: 1969	1976
Nov–Dec 1970 2-Month	38.8°F (3.8°C)	37.4°F (3.0°C)	1.4°F (0.8°C)	45th Warmest	Warmest since: 1965	2015
Oct–Dec 1970 3-Month	44.4°F (6.9°C)	43.0°F (6.1°C)	1.4°F (0.8°C)	92nd Coolest	Coolest since: 1969	1917
	44.4°F (6.9°C)	43.0°F (6.1°C)	1.4°F (0.8°C)	37th Warmest	Warmest since: 1965	2015
	Ties: 2012, 2017
Sep–Dec 1970 4-Month	50.6°F (10.3°C)	48.7°F (9.3°C)	1.9°F (1.0°C)	105th Coolest	Coolest since: 1969	1976
	50.6°F (10.3°C)	48.7°F (9.3°C)	1.9°F (1.0°C)	24th Warmest	Warmest since: 1956	1931
	Ties: 1922, 2020
Aug–Dec 1970 5-Month	54.9°F (12.7°C)	53.4°F (11.9°C)	1.5°F (0.8°C)	109th Coolest	Coolest since: 1969	1976
	54.9°F (12.7°C)	53.4°F (11.9°C)	1.5°F (0.8°C)	20th Warmest	Warmest since: 1956	1931
	Ties: 1921, 1956, 1999, 2005
Jul–Dec 1970 6-Month	57.9°F (14.4°C)	56.8°F (13.8°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1969	1976
	57.9°F (14.4°C)	56.8°F (13.8°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 1956	1931
	Ties: 1956, 1984, 1991, 2006
Jun–Dec 1970 7-Month	59.6°F (15.3°C)	58.7°F (14.8°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1969	1976
	59.6°F (15.3°C)	58.7°F (14.8°C)	0.9°F (0.5°C)	36th Warmest	Warmest since: 1956	1931
	Ties: 1897, 1919, 1956, 1990, 2010
May–Dec 1970 8-Month	60.2°F (15.7°C)	59.0°F (15.0°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 1969	1917
	60.2°F (15.7°C)	59.0°F (15.0°C)	1.2°F (0.7°C)	32nd Warmest	Warmest since: 1959	1931
	Ties: 2022
Apr–Dec 1970 9-Month	59.4°F (15.2°C)	58.2°F (14.6°C)	1.2°F (0.6°C)	104th Coolest	Coolest since: 1969	1917
	59.4°F (15.2°C)	58.2°F (14.6°C)	1.2°F (0.6°C)	25th Warmest	Warmest since: 1959	2015
	Ties: 1913, 1959, 2005, 2017
Mar–Dec 1970 10-Month	57.3°F (14.1°C)	56.5°F (13.6°C)	0.8°F (0.5°C)	84th Coolest	Coolest since: 1969	1917
	57.3°F (14.1°C)	56.5°F (13.6°C)	0.8°F (0.5°C)	45th Warmest	Warmest since: 1959	2016
	Ties: 1985, 1994, 2005
Feb–Dec 1970 11-Month	54.7°F (12.6°C)	54.3°F (12.4°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1969	1917
	54.7°F (12.6°C)	54.3°F (12.4°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1959	2012
	Ties: 1925, 1944, 1971, 1984, 2009
Jan–Dec 1970 12-Month	52.0°F (11.1°C)	52.2°F (11.2°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1969	1917
	52.0°F (11.1°C)	52.2°F (11.2°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1965	2012
	Ties: 1945, 1992
Jul 1969–Dec 1970 18-Month	53.1°F (11.7°C)	53.7°F (12.1°C)	-0.6°F (-0.4°C)	26th Coolest	Coolest since: 1969	1904, 1917
	53.1°F (11.7°C)	53.7°F (12.1°C)	-0.6°F (-0.4°C)	102nd Warmest	Warmest since: 1965	2012, 2016
	Ties: 1940, 1961, 1982
Jan 1969–Dec 1970 24-Month	51.4°F (10.8°C)	52.2°F (11.2°C)	-0.8°F (-0.4°C)	18th Coolest	Coolest since: 1969	1979
	51.4°F (10.8°C)	52.2°F (11.2°C)	-0.8°F (-0.4°C)	110th Warmest	Warmest since: 1966	2017
	Ties: 1929, 1958, 1959, 1962, 1964
Jan 1968–Dec 1970 36-Month	51.3°F (10.7°C)	52.2°F (11.2°C)	-0.9°F (-0.5°C)	15th Coolest	Coolest since: 1969	1980
	51.3°F (10.7°C)	52.2°F (11.2°C)	-0.9°F (-0.5°C)	112th Warmest	Warmest since: 1967	2018
	Ties: 1964
Jan 1967–Dec 1970 48-Month	51.3°F (10.7°C)	52.2°F (11.2°C)	-0.9°F (-0.5°C)	11th Coolest	Coolest since: 1969	1979
	51.3°F (10.7°C)	52.2°F (11.2°C)	-0.9°F (-0.5°C)	115th Warmest	Warmest since: 1968	2019
	Ties: 1907, 1961, 1968, 1978
Jan 1966–Dec 1970 60-Month	51.2°F (10.7°C)	52.2°F (11.2°C)	-1.0°F (-0.5°C)	5th Coolest	Coolest since: 1969	1980
	51.2°F (10.7°C)	52.2°F (11.2°C)	-1.0°F (-0.5°C)	120th Warmest	Warmest since: 1969	2020
	Ties: 1905, 1969

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