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 1956

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1956
1-Month
40.0°F
(4.4°C)
32.4°F
(0.2°C)
7.6°F
(4.2°C)
121st Coolest
Coolest since:
1989
8th Warmest
Warmest since:
2015
Nov–Dec 1956
2-Month
40.8°F
(4.9°C)
37.4°F
(3.0°C)
3.4°F
(1.9°C)
111th Coolest
Coolest since:
1976
18th Warmest
Warmest since:
2015
Oct–Dec 1956
3-Month
46.5°F
(8.1°C)
43.0°F
(6.1°C)
3.5°F
(2.0°C)
119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2015
Ties: 1941, 2011, 2016
Sep–Dec 1956
4-Month
50.7°F
(10.4°C)
48.7°F
(9.3°C)
2.0°F
(1.1°C)
107th Coolest
Coolest since:
1976
22nd Warmest
Warmest since:
1931
Ties: 1999
Aug–Dec 1956
5-Month
54.9°F
(12.7°C)
53.4°F
(11.9°C)
1.5°F
(0.8°C)
109th Coolest
Coolest since:
1976
20th Warmest
Warmest since:
1931
Ties: 1921, 1970, 1999, 2005
Jul–Dec 1956
6-Month
57.9°F
(14.4°C)
56.8°F
(13.8°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1976
29th Warmest
Warmest since:
1931
Ties: 1970, 1984, 1991, 2006
Jun–Dec 1956
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 since:
1931
Ties: 1897, 1919, 1970, 1990, 2010
May–Dec 1956
8-Month
59.9°F
(15.5°C)
59.0°F
(15.0°C)
0.9°F
(0.5°C)
89th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1931
Ties: 1902, 1906, 1908, 1965, 2002
Apr–Dec 1956
9-Month
58.7°F
(14.8°C)
58.2°F
(14.6°C)
0.5°F
(0.2°C)
73rd Coolest
Coolest since:
1917
56th Warmest
Warmest since:
2015
Ties: 1952, 1957, 1964, 1975, 1982, 1984, 1985, 1990
Mar–Dec 1956
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: 1897, 1898, 1957, 1964
Feb–Dec 1956
11-Month
55.0°F
(12.8°C)
54.3°F
(12.4°C)
0.7°F
(0.4°C)
83rd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
2012
Ties: 1913, 1919, 1927, 1955
Jan–Dec 1956
12-Month
52.7°F
(11.5°C)
52.2°F
(11.2°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2012
Ties: 1957
Jul 1955–Dec 1956
18-Month
54.2°F
(12.3°C)
53.7°F
(12.1°C)
0.5°F
(0.2°C)
81st Coolest
Coolest since:
1904, 1917
47th Warmest
Warmest since:
2012, 2016
Ties: 1948, 1971
Jan 1955–Dec 1956
24-Month
52.8°F
(11.6°C)
52.2°F
(11.2°C)
0.6°F
(0.4°C)
89th Coolest
Coolest since:
1979
39th Warmest
Warmest since:
2017
Ties: 1947, 1974
Jan 1954–Dec 1956
36-Month
53.0°F
(11.7°C)
52.2°F
(11.2°C)
0.8°F
(0.5°C)
97th Coolest
Coolest since:
1980
30th Warmest
Warmest since:
2018
Ties: 1935, 1953, 2004
Jan 1953–Dec 1956
48-Month
53.3°F
(11.8°C)
52.2°F
(11.2°C)
1.1°F
(0.6°C)
110th Coolest
Coolest since:
1979
16th Warmest
Warmest since:
2019
Ties: 1922, 2000
Jan 1952–Dec 1956
60-Month
53.3°F
(11.8°C)
52.2°F
(11.2°C)
1.1°F
(0.6°C)
111th Coolest
Coolest since:
1980
14th Warmest
Warmest since:
2020
Ties: 1935, 2005, 2006

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