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 1899

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1899 1-Month	30.6°F (-0.8°C)	32.4°F (0.2°C)	-1.8°F (-1.0°C)	36th Coolest	Coolest since: 1898	1989
	30.6°F (-0.8°C)	32.4°F (0.2°C)	-1.8°F (-1.0°C)	93rd Warmest	Warmest since: 1897	2015
	Ties: 1930, 1968
Nov–Dec 1899 2-Month	37.7°F (3.2°C)	37.3°F (2.9°C)	0.4°F (0.3°C)	62nd Coolest	Coolest since: 1898	1976
	37.7°F (3.2°C)	37.3°F (2.9°C)	0.4°F (0.3°C)	67th Warmest	Warmest since: 1897	2015
	Ties: 1986, 2017
Oct–Dec 1899 3-Month	44.3°F (6.8°C)	43.0°F (6.1°C)	1.3°F (0.7°C)	89th Coolest	Coolest since: 1898	1917
	44.3°F (6.8°C)	43.0°F (6.1°C)	1.3°F (0.7°C)	40th Warmest	Warmest since: 1897	2015
	Ties: 1921, 1991
Sep–Dec 1899 4-Month	49.4°F (9.7°C)	48.7°F (9.3°C)	0.7°F (0.4°C)	71st Coolest	Coolest since: 1898	1976
	49.4°F (9.7°C)	48.7°F (9.3°C)	0.7°F (0.4°C)	58th Warmest	Warmest since: 1897	1931
	Ties: 1918, 1934, 1940
Aug–Dec 1899 5-Month	54.4°F (12.4°C)	53.4°F (11.9°C)	1.0°F (0.5°C)	91st Coolest	Coolest since: 1898	1976
	54.4°F (12.4°C)	53.4°F (11.9°C)	1.0°F (0.5°C)	38th Warmest	Warmest since: 1897	1931
	Ties: 1911, 1923, 1933, 1975, 1991, 2002, 2004
Jul–Dec 1899 6-Month	57.7°F (14.3°C)	56.8°F (13.8°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1898	1976
	57.7°F (14.3°C)	56.8°F (13.8°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 1897	1931
	Ties: 1906, 1953, 1954, 1959
Jun–Dec 1899 7-Month	59.8°F (15.4°C)	58.7°F (14.8°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 1898	1976
	59.8°F (15.4°C)	58.7°F (14.8°C)	1.1°F (0.6°C)	31st Warmest	Warmest to Date	1931
	Ties: 1922, 1954
May–Dec 1899 8-Month	60.4°F (15.8°C)	59.1°F (15.1°C)	1.3°F (0.7°C)	106th Coolest	Coolest since: 1898	1917
	60.4°F (15.8°C)	59.1°F (15.1°C)	1.3°F (0.7°C)	23rd Warmest	Warmest to Date	1931
	Ties: 1913, 1922, 1939, 1971
Apr–Dec 1899 9-Month	59.6°F (15.3°C)	58.2°F (14.6°C)	1.4°F (0.7°C)	109th Coolest	Coolest since: 1898	1917
	59.6°F (15.3°C)	58.2°F (14.6°C)	1.4°F (0.7°C)	20th Warmest	Warmest since: 1896	2015
	Ties: 1896, 1922, 1936
Mar–Dec 1899 10-Month	57.5°F (14.2°C)	56.5°F (13.6°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 1898	1917
	57.5°F (14.2°C)	56.5°F (13.6°C)	1.0°F (0.6°C)	36th Warmest	Warmest to Date	2016
	Ties: 1939, 1948, 2002, 2006
Feb–Dec 1899 11-Month	54.3°F (12.4°C)	54.3°F (12.4°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1895	1917
	54.3°F (12.4°C)	54.3°F (12.4°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1898	2012
	Ties: 1965
Jan–Dec 1899 12-Month	52.2°F (11.2°C)	52.2°F (11.2°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1895	1917
	52.2°F (11.2°C)	52.2°F (11.2°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1898	2012
	Ties: 1974, 1983, 1995, 2009, 2013
Jul 1898–Dec 1899 18-Month	53.6°F (12.0°C)	53.7°F (12.1°C)	-0.1°F (-0.1°C)	46th Coolest	Coolest since: 1899	1904, 1917
	53.6°F (12.0°C)	53.7°F (12.1°C)	-0.1°F (-0.1°C)	82nd Warmest	Warmest since: 1898	2012, 2016
	Ties: 2009
Jan 1898–Dec 1899 24-Month	52.5°F (11.4°C)	52.2°F (11.2°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1896	1979
	52.5°F (11.4°C)	52.2°F (11.2°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1898	2017
	Ties: 1909, 1911, 1935, 1952, 1975
Jan 1897–Dec 1899 36-Month	52.5°F (11.4°C)	52.2°F (11.2°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1897	1980
	52.5°F (11.4°C)	52.2°F (11.2°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1898	2018
	Ties: 1936, 1943, 1947, 2010
Jan 1896–Dec 1899 48-Month	52.6°F (11.4°C)	52.2°F (11.2°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1898	1979
	52.6°F (11.4°C)	52.2°F (11.2°C)	0.4°F (0.2°C)	48th Warmest	Warmest to Date	2019
	Ties: 1931, 1938, 1944, 1946, 1947, 1953, 1988
Jan 1895–Dec 1899 60-Month	52.2°F (11.2°C)	52.2°F (11.2°C)	0.0°F (0.0°C)	46th Coolest	Coolest since: 1899	1980
	52.2°F (11.2°C)	52.2°F (11.2°C)	0.0°F (0.0°C)	79th Warmest	Warmest to Date	2020
	Ties: 1913, 1914, 1921, 1944, 1951, 1959, 1974

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings