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 1897

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 1897
1-Month
33.1°F
(0.6°C)
32.4°F
(0.2°C)
0.7°F
(0.4°C)
61st Coolest
Coolest to Date
1989
68th Warmest
Warmest since:
2015
Ties: 1951
Nov–Dec 1897
2-Month
38.0°F
(3.3°C)
37.4°F
(3.0°C)
0.6°F
(0.3°C)
72nd Coolest
Coolest since:
1976
57th Warmest
Warmest since:
2015
Ties: 1953
Oct–Dec 1897
3-Month
44.7°F
(7.1°C)
43.0°F
(6.1°C)
1.7°F
(1.0°C)
97th Coolest
Coolest since:
1917
32nd Warmest
Warmest to Date
2015
Ties: 1922
Sep–Dec 1897
4-Month
50.4°F
(10.2°C)
48.7°F
(9.3°C)
1.7°F
(0.9°C)
101st Coolest
Coolest since:
1976
28th Warmest
Warmest to Date
1931
Aug–Dec 1897
5-Month
54.5°F
(12.5°C)
53.4°F
(11.9°C)
1.1°F
(0.6°C)
94th Coolest
Coolest since:
1976
35th Warmest
Warmest to Date
1931
Ties: 1959, 2003
Jul–Dec 1897
6-Month
58.0°F
(14.4°C)
56.8°F
(13.8°C)
1.2°F
(0.6°C)
106th Coolest
Coolest since:
1976
23rd Warmest
Warmest to Date
1931
Ties: 1938, 1982, 1990, 1994, 2002
Jun–Dec 1897
7-Month
59.6°F
(15.3°C)
58.7°F
(14.8°C)
0.9°F
(0.5°C)
93rd Coolest
Coolest since:
1976
36th Warmest
Warmest to Date
1931
Ties: 1919, 1956, 1970, 1990, 2010
May–Dec 1897
8-Month
59.4°F
(15.2°C)
59.0°F
(15.0°C)
0.4°F
(0.2°C)
69th Coolest
Coolest since:
1917
60th Warmest
Warmest since:
1931
Ties: 1898, 1914, 1948, 1977
Apr–Dec 1897
9-Month
58.4°F
(14.7°C)
58.2°F
(14.6°C)
0.2°F
(0.1°C)
56th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2015
Ties: 1923
Mar–Dec 1897
10-Month
56.9°F
(13.8°C)
56.5°F
(13.6°C)
0.4°F
(0.2°C)
70th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
2016
Ties: 1898, 1956, 1957, 1964
Feb–Dec 1897
11-Month
54.8°F
(12.7°C)
54.3°F
(12.4°C)
0.5°F
(0.3°C)
76th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
2012
Ties: 1896
Jan–Dec 1897
12-Month
52.4°F
(11.3°C)
52.2°F
(11.2°C)
0.2°F
(0.1°C)
72nd Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2012
Ties: 1936, 1942, 1964, 2000
Jul 1896–Dec 1897
18-Month
53.8°F
(12.1°C)
53.7°F
(12.1°C)
0.1°F
(0.0°C)
55th Coolest
Coolest to Date
1904, 1917
73rd Warmest
Warmest since:
2012, 2016
Ties: 1930, 1972, 1984, 1988
Jan 1896–Dec 1897
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 to Date
2017
Ties: 1919, 1950, 1986, 2004, 2010
Jan 1895–Dec 1897
36-Month
51.9°F
(11.1°C)
52.2°F
(11.2°C)
-0.3°F
(-0.1°C)
36th Coolest
Coolest to Date
1980
91st Warmest
Warmest to Date
2018
Ties: 1916, 1929, 1930, 1959, 1996

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