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 1988

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 1988
1-Month		32.8°F
(0.4°C)		32.4°F
(0.2°C)		0.4°F
(0.2°C)		52nd Coolest
Coolest since:
1989
77th Warmest
Warmest since:
2015
Nov–Dec 1988
2-Month		38.3°F
(3.5°C)		37.4°F
(3.0°C)		0.9°F
(0.5°C)		76th Coolest
Coolest since:
1976
53rd Warmest
Warmest since:
2015
Ties: 1934
Oct–Dec 1988
3-Month		41.4°F
(5.2°C)		43.0°F
(6.1°C)		-1.6°F
(-0.9°C)		26th Coolest
Coolest since:
1917
103rd Warmest
Warmest since:
2015
Ties: 1926, 1962
Sep–Dec 1988
4-Month		47.3°F
(8.5°C)		48.7°F
(9.3°C)		-1.4°F
(-0.8°C)		22nd Coolest
Coolest since:
1976
107th Warmest
Warmest since:
1931
Ties: 1907, 1924, 1951
Aug–Dec 1988
5-Month		53.0°F
(11.7°C)		53.4°F
(11.9°C)		-0.4°F
(-0.2°C)		40th Coolest
Coolest since:
1976
89th Warmest
Warmest since:
1931
Ties: 1916, 1942
Jul–Dec 1988
6-Month		56.8°F
(13.8°C)		56.8°F
(13.8°C)		0.0°F
(0.0°C)		55th Coolest
Coolest since:
1976
74th Warmest
Warmest since:
1931
Ties: 1930
Jun–Dec 1988
7-Month		58.7°F
(14.8°C)		58.7°F
(14.8°C)		0.0°F
(0.0°C)		57th Coolest
Coolest since:
1976
72nd Warmest
Warmest since:
1931
Ties: 1930, 1980, 2008
May–Dec 1988
8-Month		59.1°F
(15.1°C)		59.0°F
(15.0°C)		0.1°F
(0.1°C)		50th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
1931
Ties: 1912, 1980, 1985, 2003, 2013
Apr–Dec 1988
9-Month		58.2°F
(14.6°C)		58.2°F
(14.6°C)		0.0°F
(0.0°C)		50th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2015
Ties: 1915
Mar–Dec 1988
10-Month		56.5°F
(13.6°C)		56.5°F
(13.6°C)		0.0°F
(0.0°C)		54th Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2016
Ties: 1995
Feb–Dec 1988
11-Month		54.1°F
(12.3°C)		54.3°F
(12.4°C)		-0.2°F
(-0.1°C)		50th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2012
Ties: 1902, 1995, 2008
Jan–Dec 1988
12-Month		51.8°F
(11.0°C)		52.2°F
(11.2°C)		-0.4°F
(-0.2°C)		40th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2012
Ties: 1915
Jul 1987–Dec 1988
18-Month		53.8°F
(12.1°C)		53.7°F
(12.1°C)		0.1°F
(0.0°C)		55th Coolest
Coolest since:
1904, 1917
73rd Warmest
Warmest since:
2012, 2016
Ties: 1897, 1930, 1972, 1984
Jan 1987–Dec 1988
24-Month		52.7°F
(11.5°C)		52.2°F
(11.2°C)		0.5°F
(0.3°C)		86th Coolest
Coolest since:
1979
42nd Warmest
Warmest since:
2017
Ties: 1898, 1900, 1914, 1957, 1990
Jan 1986–Dec 1988
36-Month		52.9°F
(11.6°C)		52.2°F
(11.2°C)		0.7°F
(0.4°C)		93rd Coolest
Coolest since:
1980
34th Warmest
Warmest since:
2018
Ties: 1931, 1946, 1987, 2005, 2014
Jan 1985–Dec 1988
48-Month		52.6°F
(11.4°C)		52.2°F
(11.2°C)		0.4°F
(0.2°C)		77th Coolest
Coolest since:
1979
49th Warmest
Warmest since:
2019
Ties: 1899, 1931, 1938, 1944, 1947, 1953
Jan 1984–Dec 1988
60-Month		52.5°F
(11.4°C)		52.2°F
(11.2°C)		0.3°F
(0.2°C)		69th Coolest
Coolest since:
1980
56th Warmest
Warmest since:
2020
Ties: 1924, 1940, 1945, 1947, 1952, 1998

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