Regional Rankings

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Year:

Month:

Region:

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, January 1991

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
January 1991 1-Month	30.0°F (-1.1°C)	29.3°F (-1.5°C)	0.7°F (0.4°C)	69th Coolest	Coolest since: 1988	1977
January 1991 1-Month	30.0°F (-1.1°C)	29.3°F (-1.5°C)	0.7°F (0.4°C)	61st Warmest	Warmest since: 1990	2006
Dec 1990–Jan 1991 2-Month	33.4°F (0.8°C)	30.9°F (-0.6°C)	2.5°F (1.4°C)	85th Coolest	Coolest since: 1990	1918
	33.4°F (0.8°C)	30.9°F (-0.6°C)	2.5°F (1.4°C)	44th Warmest	Warmest since: 1989	1932
	Ties: 1898, 1975
Nov 1990–Jan 1991 3-Month	37.9°F (3.3°C)	34.7°F (1.5°C)	3.2°F (1.8°C)	111th Coolest	Coolest since: 1990	1977
	37.9°F (3.3°C)	34.7°F (1.5°C)	3.2°F (1.8°C)	18th Warmest	Warmest since: 1983	1932
	Ties: 2005
Oct 1990–Jan 1991 4-Month	42.0°F (5.6°C)	39.6°F (4.2°C)	2.4°F (1.4°C)	105th Coolest	Coolest since: 1990	1977
	42.0°F (5.6°C)	39.6°F (4.2°C)	2.4°F (1.4°C)	24th Warmest	Warmest since: 1983	1932
	Ties: 1916, 1923, 1942
Sep 1990–Jan 1991 5-Month	46.8°F (8.2°C)	44.8°F (7.1°C)	2.0°F (1.1°C)	100th Coolest	Coolest since: 1990	1977
	46.8°F (8.2°C)	44.8°F (7.1°C)	2.0°F (1.1°C)	29th Warmest	Warmest since: 1983	1932
	Ties: 1907, 1914
Aug 1990–Jan 1991 6-Month	50.9°F (10.5°C)	49.4°F (9.7°C)	1.5°F (0.8°C)	99th Coolest	Coolest since: 1990	1977
	50.9°F (10.5°C)	49.4°F (9.7°C)	1.5°F (0.8°C)	30th Warmest	Warmest since: 1974	1932
	Ties: 1995, 2005
Jul 1990–Jan 1991 7-Month	54.0°F (12.2°C)	52.9°F (11.6°C)	1.1°F (0.6°C)	91st Coolest	Coolest since: 1990	1977
	54.0°F (12.2°C)	52.9°F (11.6°C)	1.1°F (0.6°C)	38th Warmest	Warmest since: 1983	1932
	Ties: 1900, 1919, 1983
Jun 1990–Jan 1991 8-Month	55.9°F (13.3°C)	55.0°F (12.8°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1990	1977
	55.9°F (13.3°C)	55.0°F (12.8°C)	0.9°F (0.5°C)	41st Warmest	Warmest since: 1989	1932
	Ties: 1919, 1955, 1989, 2005
May 1990–Jan 1991 9-Month	56.3°F (13.5°C)	55.8°F (13.2°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1990	1977
	56.3°F (13.5°C)	55.8°F (13.2°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1989	1932
	Ties: 1971, 1987
Apr 1990–Jan 1991 10-Month	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1990	1918
	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1989	1932
	Ties: 1956, 1965, 1983, 1986, 2003
Mar 1990–Jan 1991 11-Month	54.9°F (12.7°C)	54.0°F (12.2°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1990	1918
	54.9°F (12.7°C)	54.0°F (12.2°C)	0.9°F (0.5°C)	41st Warmest	Warmest since: 1988	2017
	Ties: 1943, 1953, 1995, 2018
Feb 1990–Jan 1991 12-Month	53.6°F (12.0°C)	52.2°F (11.2°C)	1.4°F (0.8°C)	103rd Coolest	Coolest since: 1990	1918
	53.6°F (12.0°C)	52.2°F (11.2°C)	1.4°F (0.8°C)	26th Warmest	Warmest since: 1974	2017
	Ties: 1934
Aug 1989–Jan 1991 18-Month	51.9°F (11.1°C)	51.3°F (10.7°C)	0.6°F (0.4°C)	85th Coolest	Coolest since: 1990	1918
	51.9°F (11.1°C)	51.3°F (10.7°C)	0.6°F (0.4°C)	43rd Warmest	Warmest since: 1988	2017
	Ties: 1940, 1958, 2016
Feb 1989–Jan 1991 24-Month	52.4°F (11.3°C)	52.2°F (11.2°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1990	1918
	52.4°F (11.3°C)	52.2°F (11.2°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1989	2013
	Ties: 1946, 1948, 1951, 1996, 2016
Feb 1988–Jan 1991 36-Month	52.5°F (11.4°C)	52.2°F (11.2°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1990	1918, 1979
Feb 1988–Jan 1991 36-Month	52.5°F (11.4°C)	52.2°F (11.2°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1989	2019
Feb 1987–Jan 1991 48-Month	52.7°F (11.5°C)	52.2°F (11.2°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1990	1980
	52.7°F (11.5°C)	52.2°F (11.2°C)	0.5°F (0.3°C)	46th Warmest	Warmest since: 1989	2020
	Ties: 1925, 1936, 1947, 1995, 2011
Feb 1986–Jan 1991 60-Month	52.8°F (11.6°C)	52.2°F (11.2°C)	0.6°F (0.4°C)	88th Coolest	Coolest since: 1990	1981
	52.8°F (11.6°C)	52.2°F (11.2°C)	0.6°F (0.4°C)	37th Warmest	Warmest since: 1958	2021
	Ties: 1932, 1933, 1943, 1953, 2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings