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 1984

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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 1984 1-Month	40.4°F (4.7°C)	32.4°F (0.2°C)	8.0°F (4.5°C)	123rd Coolest	Coolest since: 1983	1989
	40.4°F (4.7°C)	32.4°F (0.2°C)	8.0°F (4.5°C)	6th Warmest	Warmest since: 1982	2015
	Ties: 1971
Nov–Dec 1984 2-Month	40.6°F (4.8°C)	37.4°F (3.0°C)	3.2°F (1.8°C)	107th Coolest	Coolest since: 1983	1976
Nov–Dec 1984 2-Month	40.6°F (4.8°C)	37.4°F (3.0°C)	3.2°F (1.8°C)	22nd Warmest	Warmest since: 1982	2015
Oct–Dec 1984 3-Month	46.9°F (8.3°C)	43.0°F (6.1°C)	3.9°F (2.2°C)	123rd Coolest	Coolest since: 1983	1917
	46.9°F (8.3°C)	43.0°F (6.1°C)	3.9°F (2.2°C)	6th Warmest	Warmest since: 1982	2015
	Ties: 1982
Sep–Dec 1984 4-Month	51.0°F (10.6°C)	48.7°F (9.3°C)	2.3°F (1.3°C)	114th Coolest	Coolest since: 1983	1976
	51.0°F (10.6°C)	48.7°F (9.3°C)	2.3°F (1.3°C)	15th Warmest	Warmest since: 1982	1931
	Ties: 1990, 1994
Aug–Dec 1984 5-Month	55.3°F (12.9°C)	53.4°F (11.9°C)	1.9°F (1.0°C)	116th Coolest	Coolest since: 1983	1976
	55.3°F (12.9°C)	53.4°F (11.9°C)	1.9°F (1.0°C)	13th Warmest	Warmest since: 1971	1931
	Ties: 1947
Jul–Dec 1984 6-Month	57.9°F (14.4°C)	56.8°F (13.8°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1983	1976
	57.9°F (14.4°C)	56.8°F (13.8°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 1982	1931
	Ties: 1956, 1970, 1991, 2006
Jun–Dec 1984 7-Month	60.0°F (15.6°C)	58.7°F (14.8°C)	1.3°F (0.8°C)	106th Coolest	Coolest since: 1983	1976
	60.0°F (15.6°C)	58.7°F (14.8°C)	1.3°F (0.8°C)	23rd Warmest	Warmest since: 1973	1931
	Ties: 1953, 1994, 2002
May–Dec 1984 8-Month	59.8°F (15.4°C)	59.0°F (15.0°C)	0.8°F (0.4°C)	83rd Coolest	Coolest since: 1983	1917
	59.8°F (15.4°C)	59.0°F (15.0°C)	0.8°F (0.4°C)	46th Warmest	Warmest since: 1982	1931
	Ties: 1896, 1938, 1986
Apr–Dec 1984 9-Month	58.7°F (14.8°C)	58.2°F (14.6°C)	0.5°F (0.2°C)	73rd Coolest	Coolest since: 1983	1917
	58.7°F (14.8°C)	58.2°F (14.6°C)	0.5°F (0.2°C)	56th Warmest	Warmest since: 1982	2015
	Ties: 1952, 1956, 1957, 1964, 1975, 1982, 1985, 1990
Mar–Dec 1984 10-Month	56.4°F (13.6°C)	56.5°F (13.6°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1983	1917
	56.4°F (13.6°C)	56.5°F (13.6°C)	-0.1°F (0.0°C)	78th Warmest	Warmest since: 1982	2016
	Ties: 1914, 2008
Feb–Dec 1984 11-Month	54.7°F (12.6°C)	54.3°F (12.4°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1983	1917
	54.7°F (12.6°C)	54.3°F (12.4°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1977	2012
	Ties: 1925, 1944, 1970, 1971, 2009
Jan–Dec 1984 12-Month	52.1°F (11.2°C)	52.2°F (11.2°C)	-0.1°F (0.0°C)	52nd Coolest	Coolest since: 1982	1917
	52.1°F (11.2°C)	52.2°F (11.2°C)	-0.1°F (0.0°C)	77th Warmest	Warmest since: 1983	2012
	Ties: 1909, 1918, 1935, 2003, 2008
Jul 1983–Dec 1984 18-Month	53.8°F (12.1°C)	53.7°F (12.1°C)	0.1°F (0.0°C)	55th Coolest	Coolest since: 1982	1904, 1917
	53.8°F (12.1°C)	53.7°F (12.1°C)	0.1°F (0.0°C)	73rd Warmest	Warmest since: 1983	2012, 2016
	Ties: 1897, 1930, 1972, 1988
Jan 1983–Dec 1984 24-Month	52.2°F (11.2°C)	52.2°F (11.2°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1983	1979
	52.2°F (11.2°C)	52.2°F (11.2°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1975	2017
	Ties: 1901, 1928, 1940, 1995, 2009
Jan 1982–Dec 1984 36-Month	52.1°F (11.2°C)	52.2°F (11.2°C)	-0.1°F (0.0°C)	44th Coolest	Coolest since: 1983	1980
	52.1°F (11.2°C)	52.2°F (11.2°C)	-0.1°F (0.0°C)	83rd Warmest	Warmest since: 1975	2018
	Ties: 1902, 1909, 1910, 1920, 1927, 1937, 1952, 1985, 1994, 1995, 2015
Jan 1981–Dec 1984 48-Month	51.9°F (11.1°C)	52.2°F (11.2°C)	-0.3°F (-0.1°C)	33rd Coolest	Coolest since: 1983	1979
	51.9°F (11.1°C)	52.2°F (11.2°C)	-0.3°F (-0.1°C)	93rd Warmest	Warmest since: 1976	2019
	Ties: 1903, 1910, 1912, 1915, 1996
Jan 1980–Dec 1984 60-Month	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	29th Coolest	Coolest since: 1983	1980
	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	96th Warmest	Warmest since: 1977	2020
	Ties: 1927, 1929, 1960, 1997

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