Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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 1951

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1951
1-Month
4.47"
(113.54mm)
3.11"
(78.99mm)
1.36"
(34.55mm)
111th Driest
Driest since:
1958
17th Wettest
Wettest since:
1990
Nov–Dec 1951
2-Month
9.12"
(231.65mm)
6.23"
(158.24mm)
2.89"
(73.41mm)
117th Driest
Driest since:
1976
11th Wettest
Wettest to Date
2015
Oct–Dec 1951
3-Month
11.84"
(300.74mm)
9.13"
(231.90mm)
2.71"
(68.84mm)
110th Driest
Driest since:
1963
18th Wettest
Wettest since:
1990
Sep–Dec 1951
4-Month
15.78"
(400.81mm)
12.60"
(320.04mm)
3.18"
(80.77mm)
108th Driest
Driest since:
1963
20th Wettest
Wettest since:
1926
Aug–Dec 1951
5-Month
19.03"
(483.36mm)
16.27"
(413.26mm)
2.76"
(70.10mm)
102nd Driest
Driest since:
1953
26th Wettest
Wettest since:
1926
Jul–Dec 1951
6-Month
23.29"
(591.57mm)
20.27"
(514.86mm)
3.02"
(76.71mm)
99th Driest
Driest since:
1953
29th Wettest
Wettest since:
1926
Jun–Dec 1951
7-Month
29.53"
(750.06mm)
24.52"
(622.81mm)
5.01"
(127.25mm)
118th Driest
Driest since:
1953
10th Wettest
Wettest since:
2015
May–Dec 1951
8-Month
32.62"
(828.55mm)
28.79"
(731.27mm)
3.83"
(97.28mm)
102nd Driest
Driest since:
1953
26th Wettest
Wettest since:
2015
Apr–Dec 1951
9-Month
36.19"
(919.23mm)
32.70"
(830.58mm)
3.49"
(88.65mm)
96th Driest
Driest since:
1930
32nd Wettest
Wettest since:
2015
Ties: 1919
Mar–Dec 1951
10-Month
40.44"
(1,027.18mm)
36.51"
(927.35mm)
3.93"
(99.83mm)
94th Driest
Driest since:
1930
34th Wettest
Wettest since:
2011
Feb–Dec 1951
11-Month
44.64"
(1,133.86mm)
39.19"
(995.43mm)
5.45"
(138.43mm)
110th Driest
Driest since:
1930
18th Wettest
Wettest since:
2011
Jan–Dec 1951
12-Month
48.71"
(1,237.23mm)
42.23"
(1,072.64mm)
6.48"
(164.59mm)
110th Driest
Driest since:
1930
18th Wettest
Wettest since:
2019
Jul 1950–Dec 1951
18-Month
69.53"
(1,766.06mm)
62.51"
(1,587.75mm)
7.02"
(178.31mm)
110th Driest
Driest since:
1953
17th Wettest
Wettest since:
2019
Jan 1950–Dec 1951
24-Month
98.91"
(2,512.31mm)
84.45"
(2,145.03mm)
14.46"
(367.28mm)
122nd Driest
Driest since:
1953
5th Wettest
Wettest to Date
2019
Jan 1949–Dec 1951
36-Month
145.32"
(3,691.13mm)
126.69"
(3,217.93mm)
18.63"
(473.20mm)
119th Driest
Driest since:
1954
7th Wettest
Wettest to Date
2020
Jan 1948–Dec 1951
48-Month
189.81"
(4,821.17mm)
168.95"
(4,291.33mm)
20.86"
(529.84mm)
118th Driest
Driest since:
1955
7th Wettest
Wettest to Date
2021
Jan 1947–Dec 1951
60-Month
230.11"
(5,844.79mm)
211.20"
(5,364.48mm)
18.91"
(480.31mm)
113th Driest
Driest since:
1956
11th Wettest
Wettest to Date
2021

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