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 1951

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 1951
1-Month
33.1°F
(0.6°C)
32.4°F
(0.2°C)
0.7°F
(0.4°C)
61st Coolest
Coolest since:
1989
68th Warmest
Warmest since:
2015
Ties: 1897
Nov–Dec 1951
2-Month
34.5°F
(1.4°C)
37.4°F
(3.0°C)
-2.9°F
(-1.6°C)
17th Coolest
Coolest since:
1976
112th Warmest
Warmest since:
2015
Ties: 1960
Oct–Dec 1951
3-Month
41.8°F
(5.4°C)
43.0°F
(6.1°C)
-1.2°F
(-0.7°C)
33rd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2015
Ties: 2010
Sep–Dec 1951
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, 1988
Aug–Dec 1951
5-Month
52.2°F
(11.2°C)
53.4°F
(11.9°C)
-1.2°F
(-0.7°C)
21st Coolest
Coolest since:
1976
108th Warmest
Warmest since:
1931
Ties: 1904, 1935, 1974
Jul–Dec 1951
6-Month
55.7°F
(13.2°C)
56.8°F
(13.8°C)
-1.1°F
(-0.6°C)
22nd Coolest
Coolest since:
1976
107th Warmest
Warmest since:
1931
Ties: 1974
Jun–Dec 1951
7-Month
57.7°F
(14.3°C)
58.7°F
(14.8°C)
-1.0°F
(-0.5°C)
22nd Coolest
Coolest since:
1976
107th Warmest
Warmest since:
1931
Ties: 1909, 1981
May–Dec 1951
8-Month
58.3°F
(14.6°C)
59.0°F
(15.0°C)
-0.7°F
(-0.4°C)
28th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
1931
Apr–Dec 1951
9-Month
57.3°F
(14.1°C)
58.2°F
(14.6°C)
-0.9°F
(-0.5°C)
24th Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2015
Ties: 1928, 1929, 1969, 1972
Mar–Dec 1951
10-Month
55.6°F
(13.1°C)
56.5°F
(13.6°C)
-0.9°F
(-0.5°C)
21st Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2016
Ties: 1928
Feb–Dec 1951
11-Month
53.5°F
(11.9°C)
54.3°F
(12.4°C)
-0.8°F
(-0.5°C)
27th Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2012
Ties: 1914, 1920, 1928, 1929, 1962, 1968, 2014
Jan–Dec 1951
12-Month
51.7°F
(10.9°C)
52.2°F
(11.2°C)
-0.5°F
(-0.3°C)
36th Coolest
Coolest since:
1917
93rd Warmest
Warmest since:
2012
Ties: 1937, 1947, 1977
Jul 1950–Dec 1951
18-Month
52.5°F
(11.4°C)
53.7°F
(12.1°C)
-1.2°F
(-0.7°C)
9th Coolest
Coolest since:
1904, 1917
119th Warmest
Warmest since:
2012, 2016
Ties: 1926
Jan 1950–Dec 1951
24-Month
51.5°F
(10.8°C)
52.2°F
(11.2°C)
-0.7°F
(-0.4°C)
24th Coolest
Coolest since:
1979
104th Warmest
Warmest since:
2017
Ties: 1902, 1966, 1989, 2014
Jan 1949–Dec 1951
36-Month
52.3°F
(11.3°C)
52.2°F
(11.2°C)
0.1°F
(0.1°C)
60th Coolest
Coolest since:
1980
67th Warmest
Warmest since:
2018
Ties: 1908, 1973, 1974
Jan 1948–Dec 1951
48-Month
52.3°F
(11.3°C)
52.2°F
(11.2°C)
0.1°F
(0.1°C)
54th Coolest
Coolest since:
1979
72nd Warmest
Warmest since:
2019
Ties: 1916, 1937, 1945, 1950, 1974
Jan 1947–Dec 1951
60-Month
52.2°F
(11.2°C)
52.2°F
(11.2°C)
0.0°F
(0.0°C)
46th Coolest
Coolest since:
1980
79th Warmest
Warmest since:
2020
Ties: 1899, 1913, 1914, 1921, 1944, 1959, 1974

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