Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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 1978

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1978 1-Month	33.8°F (1.0°C)	32.4°F (0.2°C)	1.4°F (0.8°C)	73rd Coolest	Coolest since: 1977	1989
	33.8°F (1.0°C)	32.4°F (0.2°C)	1.4°F (0.8°C)	56th Warmest	Warmest since: 1975	2015
	Ties: 1907, 1920, 1964
Nov–Dec 1978 2-Month	39.6°F (4.2°C)	37.4°F (3.0°C)	2.2°F (1.2°C)	97th Coolest	Coolest since: 1977	1976
	39.6°F (4.2°C)	37.4°F (3.0°C)	2.2°F (1.2°C)	32nd Warmest	Warmest since: 1975	2015
	Ties: 1964, 2009
Oct–Dec 1978 3-Month	43.5°F (6.4°C)	42.9°F (6.1°C)	0.6°F (0.3°C)	71st Coolest	Coolest since: 1977	1917
	43.5°F (6.4°C)	42.9°F (6.1°C)	0.6°F (0.3°C)	58th Warmest	Warmest since: 1975	2015
	Ties: 1912, 2005, 2009
Sep–Dec 1978 4-Month	49.8°F (9.9°C)	48.7°F (9.3°C)	1.1°F (0.6°C)	92nd Coolest	Coolest since: 1977	1976
	49.8°F (9.9°C)	48.7°F (9.3°C)	1.1°F (0.6°C)	37th Warmest	Warmest since: 1973	1931
	Ties: 1908, 1938, 1947, 2005
Aug–Dec 1978 5-Month	54.3°F (12.4°C)	53.3°F (11.8°C)	1.0°F (0.6°C)	83rd Coolest	Coolest since: 1977	1976
	54.3°F (12.4°C)	53.3°F (11.8°C)	1.0°F (0.6°C)	46th Warmest	Warmest since: 1975	1931
	Ties: 1908, 1953, 1965
Jul–Dec 1978 6-Month	57.5°F (14.2°C)	56.8°F (13.8°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 1977	1976
	57.5°F (14.2°C)	56.8°F (13.8°C)	0.7°F (0.4°C)	50th Warmest	Warmest since: 1975	1931
	Ties: 1918, 1923, 1975, 2022
Jun–Dec 1978 7-Month	59.3°F (15.2°C)	58.7°F (14.8°C)	0.6°F (0.4°C)	79th Coolest	Coolest since: 1977	1976
	59.3°F (15.2°C)	58.7°F (14.8°C)	0.6°F (0.4°C)	50th Warmest	Warmest since: 1975	1931
	Ties: 1940, 1947, 1948, 1952, 1975, 1986
May–Dec 1978 8-Month	59.3°F (15.2°C)	59.0°F (15.0°C)	0.3°F (0.2°C)	59th Coolest	Coolest since: 1976	1917
	59.3°F (15.2°C)	59.0°F (15.0°C)	0.3°F (0.2°C)	70th Warmest	Warmest since: 1977	1931
	Ties: 1940, 1942, 1947, 1957, 1964
Apr–Dec 1978 9-Month	58.6°F (14.8°C)	58.2°F (14.6°C)	0.4°F (0.2°C)	59th Coolest	Coolest since: 1976	1917
	58.6°F (14.8°C)	58.2°F (14.6°C)	0.4°F (0.2°C)	70th Warmest	Warmest since: 1977	2015
	Ties: 1912, 1930, 1944, 1947, 2003
Mar–Dec 1978 10-Month	56.3°F (13.5°C)	56.5°F (13.6°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1976	1917
	56.3°F (13.5°C)	56.5°F (13.6°C)	-0.2°F (-0.1°C)	82nd Warmest	Warmest since: 1977	2016
	Ties: 1895, 1925, 1968
Feb–Dec 1978 11-Month	52.9°F (11.6°C)	54.2°F (12.3°C)	-1.3°F (-0.7°C)	11th Coolest	Coolest since: 1976	1917
	52.9°F (11.6°C)	54.2°F (12.3°C)	-1.3°F (-0.7°C)	118th Warmest	Warmest since: 1977	2012
	Ties: 1963
Jan–Dec 1978 12-Month	50.1°F (10.1°C)	52.1°F (11.2°C)	-2.0°F (-1.1°C)	2nd Coolest	Coolest since: 1958	1917
	50.1°F (10.1°C)	52.1°F (11.2°C)	-2.0°F (-1.1°C)	127th Warmest	Warmest since: 1977	2012
	Ties: 1924, 1958
Jul 1977–Dec 1978 18-Month	52.4°F (11.3°C)	53.7°F (12.1°C)	-1.3°F (-0.8°C)	8th Coolest	Coolest since: 1977	1904, 1917
Jul 1977–Dec 1978 18-Month	52.4°F (11.3°C)	53.7°F (12.1°C)	-1.3°F (-0.8°C)	120th Warmest	Warmest since: 1976	2012, 2016
Jan 1977–Dec 1978 24-Month	50.9°F (10.5°C)	52.2°F (11.2°C)	-1.3°F (-0.7°C)	8th Coolest	Coolest since: 1967	1979
	50.9°F (10.5°C)	52.2°F (11.2°C)	-1.3°F (-0.7°C)	120th Warmest	Warmest since: 1977	2017
	Ties: 1967
Jan 1976–Dec 1978 36-Month	50.8°F (10.4°C)	52.2°F (11.2°C)	-1.4°F (-0.8°C)	3rd Coolest	Coolest since: 1978	1980
Jan 1976–Dec 1978 36-Month	50.8°F (10.4°C)	52.2°F (11.2°C)	-1.4°F (-0.8°C)	124th Warmest	Warmest since: 1977	2018
Jan 1975–Dec 1978 48-Month	51.3°F (10.7°C)	52.2°F (11.2°C)	-0.9°F (-0.5°C)	11th Coolest	Coolest since: 1970	1979
	51.3°F (10.7°C)	52.2°F (11.2°C)	-0.9°F (-0.5°C)	115th Warmest	Warmest since: 1977	2019
	Ties: 1907, 1961, 1968, 1970
Jan 1974–Dec 1978 60-Month	51.4°F (10.8°C)	52.1°F (11.2°C)	-0.7°F (-0.4°C)	12th Coolest	Coolest since: 1970	1980
	51.4°F (10.8°C)	52.1°F (11.2°C)	-0.7°F (-0.4°C)	113th Warmest	Warmest since: 1977	2020
	Ties: 1918, 1966, 1967, 1983

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings