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 1930

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 1930
1-Month
2.11"
(53.59mm)
2.90"
(73.66mm)
-0.79"
(-20.07mm)
29th Driest
Driest since:
1963
100th Wettest
Wettest since:
1919
Sep–Oct 1930
2-Month
5.42"
(137.67mm)
6.37"
(161.80mm)
-0.95"
(-24.13mm)
35th Driest
Driest since:
1897
94th Wettest
Wettest since:
1926
Aug–Oct 1930
3-Month
7.62"
(193.55mm)
10.04"
(255.02mm)
-2.42"
(-61.47mm)
14th Driest
Driest since:
1897
115th Wettest
Wettest since:
1926
Jul–Oct 1930
4-Month
9.08"
(230.63mm)
14.04"
(356.62mm)
-4.96"
(-125.99mm)
3rd Driest
Driest since:
1953
126th Wettest
Wettest since:
1926
Jun–Oct 1930
5-Month
11.78"
(299.21mm)
18.29"
(464.57mm)
-6.51"
(-165.36mm)
2nd Driest
Driest since:
1953
127th Wettest
Wettest since:
1926
May–Oct 1930
6-Month
14.68"
(372.87mm)
22.56"
(573.02mm)
-7.88"
(-200.15mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2009
Apr–Oct 1930
7-Month
16.76"
(425.70mm)
26.47"
(672.34mm)
-9.71"
(-246.64mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2009
Mar–Oct 1930
8-Month
19.11"
(485.39mm)
30.28"
(769.11mm)
-11.17"
(-283.72mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2009
Feb–Oct 1930
9-Month
21.71"
(551.43mm)
32.95"
(836.93mm)
-11.24"
(-285.50mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2019
Jan–Oct 1930
10-Month
26.35"
(669.29mm)
36.00"
(914.40mm)
-9.65"
(-245.11mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2019
Dec 1929–Oct 1930
11-Month
29.01"
(736.85mm)
39.09"
(992.89mm)
-10.08"
(-256.04mm)
1st Driest
Driest since:
1930
127th Wettest
Wettest since:
2019
Nov 1929–Oct 1930
12-Month
32.21"
(818.13mm)
42.23"
(1,072.64mm)
-10.02"
(-254.51mm)
2nd Driest
Driest since:
1963
126th Wettest
Wettest since:
2019
May 1929–Oct 1930
18-Month
58.22"
(1,478.79mm)
64.79"
(1,645.67mm)
-6.57"
(-166.88mm)
14th Driest
Driest since:
1931
114th Wettest
Wettest since:
2019
Nov 1928–Oct 1930
24-Month
80.13"
(2,035.30mm)
84.46"
(2,145.28mm)
-4.33"
(-109.98mm)
26th Driest
Driest since:
1931
101st Wettest
Wettest since:
2020
Nov 1927–Oct 1930
36-Month
125.13"
(3,178.30mm)
126.69"
(3,217.93mm)
-1.56"
(-39.63mm)
49th Driest
Driest since:
1954
77th Wettest
Wettest since:
2020
Nov 1926–Oct 1930
48-Month
175.39"
(4,454.91mm)
168.97"
(4,291.84mm)
6.42"
(163.07mm)
84th Driest
Driest since:
1956
41st Wettest
Wettest since:
2021
Nov 1925–Oct 1930
60-Month
219.45"
(5,574.03mm)
211.20"
(5,364.48mm)
8.25"
(209.55mm)
84th Driest
Driest since:
1956
40th Wettest
Wettest since:
2020

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