Regional Rankings

Regional Data Info
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 1986

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 1986
1-Month		33.5°F
(0.8°C)		32.4°F
(0.2°C)		1.1°F
(0.6°C)		68th Coolest
Coolest since:
1989
61st Warmest
Warmest since:
2015
Ties: 1953, 1974
Nov–Dec 1986
2-Month		37.7°F
(3.2°C)		37.4°F
(3.0°C)		0.3°F
(0.2°C)		61st Coolest
Coolest since:
1976
68th Warmest
Warmest since:
2015
Ties: 1899, 1985, 2017
Oct–Dec 1986
3-Month		43.6°F
(6.4°C)		43.0°F
(6.1°C)		0.6°F
(0.3°C)		73rd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2015
Ties: 1939
Sep–Dec 1986
4-Month		49.7°F
(9.8°C)		48.7°F
(9.3°C)		1.0°F
(0.5°C)		87th Coolest
Coolest since:
1976
42nd Warmest
Warmest since:
1931
Ties: 1911, 1920, 1948, 1953, 1991, 2003
Aug–Dec 1986
5-Month		53.7°F
(12.1°C)		53.4°F
(11.9°C)		0.3°F
(0.2°C)		63rd Coolest
Coolest since:
1976
66th Warmest
Warmest since:
1931
Ties: 1912
Jul–Dec 1986
6-Month		57.4°F
(14.1°C)		56.8°F
(13.8°C)		0.6°F
(0.3°C)		74th Coolest
Coolest since:
1976
55th Warmest
Warmest since:
1931
Ties: 1940, 1948, 2004, 2017
Jun–Dec 1986
7-Month		59.3°F
(15.2°C)		58.7°F
(14.8°C)		0.6°F
(0.4°C)		79th Coolest
Coolest since:
1976
50th Warmest
Warmest since:
1931
Ties: 1940, 1947, 1948, 1952, 1975, 1978
May–Dec 1986
8-Month		59.8°F
(15.4°C)		59.0°F
(15.0°C)		0.8°F
(0.4°C)		83rd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
1931
Ties: 1896, 1938, 1984
Apr–Dec 1986
9-Month		59.2°F
(15.1°C)		58.2°F
(14.6°C)		1.0°F
(0.5°C)		95th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2015
Ties: 1906, 1949, 1954, 2004, 2006
Mar–Dec 1986
10-Month		57.6°F
(14.2°C)		56.5°F
(13.6°C)		1.1°F
(0.6°C)		96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2016
Ties: 1913, 1918
Feb–Dec 1986
11-Month		55.4°F
(13.0°C)		54.3°F
(12.4°C)		1.1°F
(0.6°C)		98th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2012
Ties: 1918, 1933, 1939, 1941, 2005
Jan–Dec 1986
12-Month		53.3°F
(11.8°C)		52.2°F
(11.2°C)		1.1°F
(0.6°C)		95th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2012
Ties: 1900, 1952
Jul 1985–Dec 1986
18-Month		54.5°F
(12.5°C)		53.7°F
(12.1°C)		0.8°F
(0.4°C)		91st Coolest
Coolest since:
1904, 1917
37th Warmest
Warmest since:
2012, 2016
Ties: 1938, 2000
Jan 1985–Dec 1986
24-Month		52.6°F
(11.4°C)		52.2°F
(11.2°C)		0.4°F
(0.2°C)		80th Coolest
Coolest since:
1979
48th Warmest
Warmest since:
2017
Ties: 1897, 1919, 1950, 2004, 2010
Jan 1984–Dec 1986
36-Month		52.4°F
(11.3°C)		52.2°F
(11.2°C)		0.2°F
(0.1°C)		68th Coolest
Coolest since:
1980
59th Warmest
Warmest since:
2018
Ties: 1911, 1915, 1944, 1990
Jan 1983–Dec 1986
48-Month		52.4°F
(11.3°C)		52.2°F
(11.2°C)		0.2°F
(0.1°C)		60th Coolest
Coolest since:
1979
66th Warmest
Warmest since:
2019
Ties: 1901, 1914, 1975
Jan 1982–Dec 1986
60-Month		52.3°F
(11.3°C)		52.2°F
(11.2°C)		0.1°F
(0.1°C)		54th Coolest
Coolest since:
1980
71st Warmest
Warmest since:
2020
Ties: 1902, 1911, 1915, 1989

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