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 1915

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1915
1-Month
4.40"
(111.76mm)
3.11"
(78.99mm)
1.29"
(32.77mm)
109th Driest
Driest since:
1958
19th Wettest
Wettest since:
1990
Nov–Dec 1915
2-Month
7.90"
(200.66mm)
6.23"
(158.24mm)
1.67"
(42.42mm)
102nd Driest
Driest since:
1976
26th Wettest
Wettest since:
2015
Oct–Dec 1915
3-Month
10.06"
(255.52mm)
9.13"
(231.90mm)
0.93"
(23.62mm)
77th Driest
Driest since:
1963
51st Wettest
Wettest since:
1990
Sep–Dec 1915
4-Month
14.31"
(363.47mm)
12.60"
(320.04mm)
1.71"
(43.43mm)
88th Driest
Driest since:
1963
40th Wettest
Wettest since:
1926
Aug–Dec 1915
5-Month
20.73"
(526.54mm)
16.27"
(413.26mm)
4.46"
(113.28mm)
118th Driest
Driest since:
1953
10th Wettest
Wettest since:
1926
Ties: 1982
Jul–Dec 1915
6-Month
26.47"
(672.34mm)
20.27"
(514.86mm)
6.20"
(157.48mm)
124th Driest
Driest since:
1953
4th Wettest
Wettest to Date
1926
Jun–Dec 1915
7-Month
31.23"
(793.24mm)
24.52"
(622.81mm)
6.71"
(170.43mm)
123rd Driest
Driest since:
1953
5th Wettest
Wettest to Date
2015
May–Dec 1915
8-Month
37.35"
(948.69mm)
28.79"
(731.27mm)
8.56"
(217.42mm)
125th Driest
Driest since:
1953
3rd Wettest
Wettest to Date
2015
Apr–Dec 1915
9-Month
38.88"
(987.55mm)
32.70"
(830.58mm)
6.18"
(156.97mm)
114th Driest
Driest since:
1930
14th Wettest
Wettest to Date
2015
Mar–Dec 1915
10-Month
40.46"
(1,027.68mm)
36.51"
(927.35mm)
3.95"
(100.33mm)
95th Driest
Driest since:
1930
33rd Wettest
Wettest since:
2011
Feb–Dec 1915
11-Month
42.97"
(1,091.44mm)
39.19"
(995.43mm)
3.78"
(96.01mm)
94th Driest
Driest since:
1930
34th Wettest
Wettest since:
2011
Jan–Dec 1915
12-Month
46.71"
(1,186.43mm)
42.23"
(1,072.64mm)
4.48"
(113.79mm)
100th Driest
Driest since:
1930
28th Wettest
Wettest since:
2019
Jul 1914–Dec 1915
18-Month
66.36"
(1,685.54mm)
62.51"
(1,587.75mm)
3.85"
(97.79mm)
81st Driest
Driest since:
1953
46th Wettest
Wettest since:
2019
Ties: 1906
Jan 1914–Dec 1915
24-Month
82.58"
(2,097.53mm)
84.45"
(2,145.03mm)
-1.87"
(-47.50mm)
40th Driest
Driest since:
1953
87th Wettest
Wettest since:
2019
Jan 1913–Dec 1915
36-Month
125.16"
(3,179.06mm)
126.69"
(3,217.93mm)
-1.53"
(-38.87mm)
48th Driest
Driest since:
1954
78th Wettest
Wettest since:
2020
Jan 1912–Dec 1915
48-Month
167.43"
(4,252.72mm)
168.95"
(4,291.33mm)
-1.52"
(-38.61mm)
43rd Driest
Driest since:
1955
82nd Wettest
Wettest since:
2021
Jan 1911–Dec 1915
60-Month
210.58"
(5,348.73mm)
211.20"
(5,364.48mm)
-0.62"
(-15.75mm)
51st Driest
Driest since:
1956
73rd Wettest
Wettest since:
2021

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