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 1950

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1950
1-Month
26.2°F
(-3.2°C)
32.4°F
(0.2°C)
-6.2°F
(-3.4°C)
12th Coolest
Coolest since:
1989
117th Warmest
Warmest since:
2015
Nov–Dec 1950
2-Month
31.7°F
(-0.2°C)
37.4°F
(3.0°C)
-5.7°F
(-3.2°C)
5th Coolest
Coolest since:
1976
124th Warmest
Warmest since:
2015
Ties: 1910
Oct–Dec 1950
3-Month
40.4°F
(4.7°C)
43.0°F
(6.1°C)
-2.6°F
(-1.4°C)
10th Coolest
Coolest since:
1917
119th Warmest
Warmest since:
2015
Ties: 1969
Sep–Dec 1950
4-Month
46.3°F
(7.9°C)
48.7°F
(9.3°C)
-2.4°F
(-1.4°C)
7th Coolest
Coolest since:
1976
122nd Warmest
Warmest since:
1931
Ties: 1901, 1969
Aug–Dec 1950
5-Month
50.9°F
(10.5°C)
53.4°F
(11.9°C)
-2.5°F
(-1.4°C)
5th Coolest
Coolest since:
1976
124th Warmest
Warmest since:
1931
Jul–Dec 1950
6-Month
54.2°F
(12.3°C)
56.8°F
(13.8°C)
-2.6°F
(-1.5°C)
3rd Coolest
Coolest since:
1976
126th Warmest
Warmest since:
1931
Jun–Dec 1950
7-Month
56.3°F
(13.5°C)
58.7°F
(14.8°C)
-2.4°F
(-1.3°C)
4th Coolest
Coolest since:
1976
125th Warmest
Warmest since:
1931
May–Dec 1950
8-Month
57.1°F
(13.9°C)
59.0°F
(15.0°C)
-1.9°F
(-1.1°C)
5th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
1931
Ties: 1910, 1924
Apr–Dec 1950
9-Month
56.0°F
(13.3°C)
58.2°F
(14.6°C)
-2.2°F
(-1.3°C)
4th Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2015
Mar–Dec 1950
10-Month
54.2°F
(12.3°C)
56.5°F
(13.6°C)
-2.3°F
(-1.3°C)
3rd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2016
Feb–Dec 1950
11-Month
52.3°F
(11.3°C)
54.3°F
(12.4°C)
-2.0°F
(-1.1°C)
3rd Coolest
Coolest since:
1917
126th Warmest
Warmest since:
2012
Ties: 1924
Jan–Dec 1950
12-Month
51.3°F
(10.7°C)
52.2°F
(11.2°C)
-0.9°F
(-0.5°C)
25th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2012
Ties: 1905, 1910, 1929, 1962, 1972, 1980
Jul 1949–Dec 1950
18-Month
53.4°F
(11.9°C)
53.7°F
(12.1°C)
-0.3°F
(-0.2°C)
38th Coolest
Coolest since:
1904, 1917
90th Warmest
Warmest since:
2012, 2016
Ties: 1907, 1915, 1928
Jan 1949–Dec 1950
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, 1986, 2004, 2010
Jan 1948–Dec 1950
36-Month
52.6°F
(11.4°C)
52.2°F
(11.2°C)
0.4°F
(0.2°C)
76th Coolest
Coolest since:
1980
51st Warmest
Warmest since:
2018
Ties: 1913, 1941
Jan 1947–Dec 1950
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, 1951, 1974
Jan 1946–Dec 1950
60-Month
52.7°F
(11.5°C)
52.2°F
(11.2°C)
0.5°F
(0.3°C)
81st Coolest
Coolest since:
1980
44th Warmest
Warmest since:
2020
Ties: 1900, 1932, 1941, 1992

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