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, August 1956

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1956
1-Month
3.50"
(88.90mm)
3.67"
(93.22mm)
-0.17"
(-4.32mm)
57th Driest
Driest since:
1953
72nd Wettest
Wettest since:
1915
Ties: 1972
Jul–Aug 1956
2-Month
8.48"
(215.39mm)
7.67"
(194.82mm)
0.81"
(20.57mm)
92nd Driest
Driest since:
1930
37th Wettest
Wettest since:
1915
Jun–Aug 1956
3-Month
11.91"
(302.51mm)
11.92"
(302.77mm)
-0.01"
(-0.26mm)
55th Driest
Driest since:
1930
74th Wettest
Wettest since:
1958
May–Aug 1956
4-Month
16.36"
(415.54mm)
16.19"
(411.23mm)
0.17"
(4.31mm)
59th Driest
Driest since:
1936
70th Wettest
Wettest since:
1915
Apr–Aug 1956
5-Month
20.29"
(515.37mm)
20.10"
(510.54mm)
0.19"
(4.83mm)
60th Driest
Driest since:
1930
69th Wettest
Wettest since:
2015
Mar–Aug 1956
6-Month
23.20"
(589.28mm)
23.91"
(607.31mm)
-0.71"
(-18.03mm)
43rd Driest
Driest since:
1930
86th Wettest
Wettest since:
2015
Feb–Aug 1956
7-Month
28.43"
(722.12mm)
26.58"
(675.13mm)
1.85"
(46.99mm)
82nd Driest
Driest since:
1930
47th Wettest
Wettest since:
2019
Jan–Aug 1956
8-Month
30.54"
(775.72mm)
29.63"
(752.60mm)
0.91"
(23.12mm)
70th Driest
Driest since:
1936
59th Wettest
Wettest since:
2019
Dec 1955–Aug 1956
9-Month
31.47"
(799.34mm)
32.72"
(831.09mm)
-1.25"
(-31.75mm)
37th Driest
Driest since:
1936
91st Wettest
Wettest since:
2019
Nov 1955–Aug 1956
10-Month
33.98"
(863.09mm)
35.86"
(910.84mm)
-1.88"
(-47.75mm)
33rd Driest
Driest since:
1936
95th Wettest
Wettest since:
2019
Oct 1955–Aug 1956
11-Month
37.56"
(954.02mm)
38.78"
(985.01mm)
-1.22"
(-30.99mm)
41st Driest
Driest since:
1936
87th Wettest
Wettest since:
2019
Sep 1955–Aug 1956
12-Month
40.60"
(1,031.24mm)
42.24"
(1,072.90mm)
-1.64"
(-41.66mm)
37th Driest
Driest since:
1936
91st Wettest
Wettest since:
2019
Mar 1955–Aug 1956
18-Month
63.66"
(1,616.96mm)
66.13"
(1,679.70mm)
-2.47"
(-62.74mm)
36th Driest
Driest since:
1931
92nd Wettest
Wettest since:
2019
Ties: 1944
Sep 1954–Aug 1956
24-Month
81.95"
(2,081.53mm)
84.47"
(2,145.54mm)
-2.52"
(-64.01mm)
41st Driest
Driest since:
1941
86th Wettest
Wettest since:
2020
Sep 1953–Aug 1956
36-Month
114.81"
(2,916.17mm)
126.74"
(3,219.20mm)
-11.93"
(-303.03mm)
10th Driest
Driest since:
1941
116th Wettest
Wettest since:
2020
Sep 1952–Aug 1956
48-Month
149.55"
(3,798.57mm)
168.98"
(4,292.09mm)
-19.43"
(-493.52mm)
1st Driest
Driest since:
1956
124th Wettest
Wettest since:
2022
Sep 1951–Aug 1956
60-Month
193.49"
(4,914.65mm)
211.20"
(5,364.48mm)
-17.71"
(-449.83mm)
5th Driest
Driest since:
1934
119th Wettest
Wettest since:
2020

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