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 1955

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
October 1955
1-Month
3.58"
(90.93mm)
2.90"
(73.66mm)
0.68"
(17.27mm)
84th Driest
Driest since:
1963
45th Wettest
Wettest since:
1919
Sep–Oct 1955
2-Month
6.62"
(168.15mm)
6.37"
(161.80mm)
0.25"
(6.35mm)
68th Driest
Driest since:
1897
61st Wettest
Wettest since:
1926
Aug–Oct 1955
3-Month
9.48"
(240.79mm)
10.04"
(255.02mm)
-0.56"
(-14.23mm)
49th Driest
Driest since:
1897
80th Wettest
Wettest since:
1926
Jul–Oct 1955
4-Month
13.24"
(336.30mm)
14.04"
(356.62mm)
-0.80"
(-20.32mm)
41st Driest
Driest since:
1953
88th Wettest
Wettest since:
1926
Jun–Oct 1955
5-Month
17.08"
(433.83mm)
18.29"
(464.57mm)
-1.21"
(-30.74mm)
35th Driest
Driest since:
1953
94th Wettest
Wettest since:
1926
May–Oct 1955
6-Month
21.29"
(540.77mm)
22.56"
(573.02mm)
-1.27"
(-32.25mm)
34th Driest
Driest since:
1930
95th Wettest
Wettest since:
2009
Apr–Oct 1955
7-Month
24.87"
(631.70mm)
26.47"
(672.34mm)
-1.60"
(-40.64mm)
38th Driest
Driest since:
1930
91st Wettest
Wettest since:
2009
Mar–Oct 1955
8-Month
29.68"
(753.87mm)
30.28"
(769.11mm)
-0.60"
(-15.24mm)
51st Driest
Driest since:
1930
78th Wettest
Wettest since:
2009
Feb–Oct 1955
9-Month
33.96"
(862.58mm)
32.95"
(836.93mm)
1.01"
(25.65mm)
71st Driest
Driest since:
1930
58th Wettest
Wettest since:
2019
Jan–Oct 1955
10-Month
35.70"
(906.78mm)
36.00"
(914.40mm)
-0.30"
(-7.62mm)
53rd Driest
Driest since:
1930
76th Wettest
Wettest since:
2019
Dec 1954–Oct 1955
11-Month
39.32"
(998.73mm)
39.09"
(992.89mm)
0.23"
(5.84mm)
52nd Driest
Driest since:
1930
76th Wettest
Wettest since:
2019
Nov 1954–Oct 1955
12-Month
40.82"
(1,036.83mm)
42.23"
(1,072.64mm)
-1.41"
(-35.81mm)
40th Driest
Driest since:
1963
88th Wettest
Wettest since:
2019
Ties: 1942
May 1954–Oct 1955
18-Month
62.14"
(1,578.36mm)
64.79"
(1,645.67mm)
-2.65"
(-67.31mm)
28th Driest
Driest since:
1931
100th Wettest
Wettest since:
2019
Nov 1953–Oct 1955
24-Month
78.07"
(1,982.98mm)
84.46"
(2,145.28mm)
-6.39"
(-162.30mm)
16th Driest
Driest since:
1931
111th Wettest
Wettest since:
2020
Nov 1952–Oct 1955
36-Month
112.29"
(2,852.17mm)
126.69"
(3,217.93mm)
-14.40"
(-365.76mm)
3rd Driest
Driest since:
1954
123rd Wettest
Wettest since:
2020
Nov 1951–Oct 1955
48-Month
152.85"
(3,882.39mm)
168.97"
(4,291.84mm)
-16.12"
(-409.45mm)
3rd Driest
Driest since:
1956
122nd Wettest
Wettest since:
2021
Nov 1950–Oct 1955
60-Month
198.11"
(5,031.99mm)
211.20"
(5,364.48mm)
-13.09"
(-332.49mm)
12th Driest
Driest since:
1956
112th Wettest
Wettest since:
2020

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