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 Valley Climate Region

Precipitation Rankings, December 1950

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
December 1950
1-Month
1.86"
(47.24mm)
3.11"
(78.99mm)
-1.25"
(-31.75mm)
17th Driest
Driest since:
1958
112th Wettest
Wettest since:
1990
Nov–Dec 1950
2-Month
5.67"
(144.02mm)
6.23"
(158.24mm)
-0.56"
(-14.22mm)
53rd Driest
Driest since:
1976
76th Wettest
Wettest since:
2015
Oct–Dec 1950
3-Month
7.25"
(184.15mm)
9.13"
(231.90mm)
-1.88"
(-47.75mm)
27th Driest
Driest since:
1963
102nd Wettest
Wettest since:
1990
Sep–Dec 1950
4-Month
11.30"
(287.02mm)
12.60"
(320.04mm)
-1.30"
(-33.02mm)
45th Driest
Driest since:
1963
84th Wettest
Wettest since:
1926
Aug–Dec 1950
5-Month
15.87"
(403.10mm)
16.27"
(413.26mm)
-0.40"
(-10.16mm)
55th Driest
Driest since:
1953
74th Wettest
Wettest since:
1926
Jul–Dec 1950
6-Month
20.82"
(528.83mm)
20.27"
(514.86mm)
0.55"
(13.97mm)
68th Driest
Driest since:
1953
61st Wettest
Wettest since:
1926
Jun–Dec 1950
7-Month
25.99"
(660.15mm)
24.52"
(622.81mm)
1.47"
(37.34mm)
75th Driest
Driest since:
1953
54th Wettest
Wettest since:
2015
May–Dec 1950
8-Month
30.48"
(774.19mm)
28.79"
(731.27mm)
1.69"
(42.92mm)
72nd Driest
Driest since:
1953
57th Wettest
Wettest since:
2015
Apr–Dec 1950
9-Month
34.18"
(868.17mm)
32.70"
(830.58mm)
1.48"
(37.59mm)
71st Driest
Driest since:
1930
58th Wettest
Wettest since:
2015
Mar–Dec 1950
10-Month
37.41"
(950.21mm)
36.51"
(927.35mm)
0.90"
(22.86mm)
68th Driest
Driest since:
1930
61st Wettest
Wettest since:
2011
Ties: 1911
Feb–Dec 1950
11-Month
41.68"
(1,058.67mm)
39.19"
(995.43mm)
2.49"
(63.24mm)
83rd Driest
Driest since:
1930
46th Wettest
Wettest since:
2011
Jan–Dec 1950
12-Month
50.20"
(1,275.08mm)
42.23"
(1,072.64mm)
7.97"
(202.44mm)
121st Driest
Driest since:
1930
8th Wettest
Wettest since:
2019
Jul 1949–Dec 1950
18-Month
71.57"
(1,817.88mm)
62.51"
(1,587.75mm)
9.06"
(230.13mm)
116th Driest
Driest since:
1953
12th Wettest
Wettest since:
2019
Jan 1949–Dec 1950
24-Month
96.61"
(2,453.89mm)
84.45"
(2,145.03mm)
12.16"
(308.86mm)
118th Driest
Driest since:
1953
10th Wettest
Wettest since:
2019
Jan 1948–Dec 1950
36-Month
141.10"
(3,583.94mm)
126.69"
(3,217.93mm)
14.41"
(366.01mm)
116th Driest
Driest since:
1954
11th Wettest
Wettest since:
2020
Jan 1947–Dec 1950
48-Month
181.40"
(4,607.56mm)
168.95"
(4,291.33mm)
12.45"
(316.23mm)
103rd Driest
Driest since:
1955
23rd Wettest
Wettest since:
2021
Jan 1946–Dec 1950
60-Month
223.42"
(5,674.87mm)
211.20"
(5,364.48mm)
12.22"
(310.39mm)
96th Driest
Driest since:
1956
29th Wettest
Wettest since:
2021

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