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, October 1986

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1986
1-Month
4.45"
(113.03mm)
2.90"
(73.66mm)
1.55"
(39.37mm)
111th Driest
Driest since:
1963
18th Wettest
Wettest since:
1919
Sep–Oct 1986
2-Month
10.00"
(254.00mm)
6.37"
(161.80mm)
3.63"
(92.20mm)
126th Driest
Driest since:
1897
3rd Wettest
Wettest since:
1926
Aug–Oct 1986
3-Month
13.01"
(330.45mm)
10.04"
(255.02mm)
2.97"
(75.43mm)
115th Driest
Driest since:
1897
14th Wettest
Wettest since:
1926
Ties: 2014
Jul–Oct 1986
4-Month
17.65"
(448.31mm)
14.04"
(356.62mm)
3.61"
(91.69mm)
120th Driest
Driest since:
1953
9th Wettest
Wettest since:
1926
Jun–Oct 1986
5-Month
21.36"
(542.54mm)
18.29"
(464.57mm)
3.07"
(77.97mm)
108th Driest
Driest since:
1953
21st Wettest
Wettest since:
1926
May–Oct 1986
6-Month
25.92"
(658.37mm)
22.56"
(573.02mm)
3.36"
(85.35mm)
105th Driest
Driest since:
1930
24th Wettest
Wettest since:
2009
Apr–Oct 1986
7-Month
28.24"
(717.30mm)
26.47"
(672.34mm)
1.77"
(44.96mm)
74th Driest
Driest since:
1930
55th Wettest
Wettest since:
2009
Mar–Oct 1986
8-Month
30.43"
(772.92mm)
30.28"
(769.11mm)
0.15"
(3.81mm)
59th Driest
Driest since:
1930
70th Wettest
Wettest since:
2009
Feb–Oct 1986
9-Month
33.83"
(859.28mm)
32.95"
(836.93mm)
0.88"
(22.35mm)
69th Driest
Driest since:
1930
60th Wettest
Wettest since:
2019
Ties: 1939
Jan–Oct 1986
10-Month
34.58"
(878.33mm)
36.00"
(914.40mm)
-1.42"
(-36.07mm)
40th Driest
Driest since:
1930
89th Wettest
Wettest since:
2019
Dec 1985–Oct 1986
11-Month
36.67"
(931.42mm)
39.09"
(992.89mm)
-2.42"
(-61.47mm)
34th Driest
Driest since:
1930
94th Wettest
Wettest since:
2019
Nov 1985–Oct 1986
12-Month
44.36"
(1,126.74mm)
42.23"
(1,072.64mm)
2.13"
(54.10mm)
80th Driest
Driest since:
1963
48th Wettest
Wettest since:
2019
Ties: 1965
May 1985–Oct 1986
18-Month
68.06"
(1,728.72mm)
64.79"
(1,645.67mm)
3.27"
(83.05mm)
82nd Driest
Driest since:
1931
46th Wettest
Wettest since:
2019
Nov 1984–Oct 1986
24-Month
89.07"
(2,262.38mm)
84.46"
(2,145.28mm)
4.61"
(117.10mm)
86th Driest
Driest since:
1931
41st Wettest
Wettest since:
2020
Nov 1983–Oct 1986
36-Month
135.55"
(3,442.97mm)
126.69"
(3,217.93mm)
8.86"
(225.04mm)
98th Driest
Driest since:
1954
28th Wettest
Wettest since:
2020
Nov 1982–Oct 1986
48-Month
180.65"
(4,588.51mm)
168.97"
(4,291.84mm)
11.68"
(296.67mm)
100th Driest
Driest since:
1956
25th Wettest
Wettest since:
2021
Nov 1981–Oct 1986
60-Month
222.58"
(5,653.53mm)
211.20"
(5,364.48mm)
11.38"
(289.05mm)
92nd Driest
Driest since:
1956
32nd Wettest
Wettest since:
2020

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