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 1998

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1998
1-Month
3.67"
(93.22mm)
2.90"
(73.66mm)
0.77"
(19.56mm)
87th Driest
Driest since:
1963
42nd Wettest
Wettest since:
1919
Sep–Oct 1998
2-Month
5.90"
(149.86mm)
6.37"
(161.80mm)
-0.47"
(-11.94mm)
50th Driest
Driest since:
1897
79th Wettest
Wettest since:
1926
Aug–Oct 1998
3-Month
8.86"
(225.04mm)
10.04"
(255.02mm)
-1.18"
(-29.98mm)
30th Driest
Driest since:
1897
99th Wettest
Wettest since:
1926
Jul–Oct 1998
4-Month
13.68"
(347.47mm)
14.04"
(356.62mm)
-0.36"
(-9.15mm)
47th Driest
Driest since:
1953
82nd Wettest
Wettest since:
1926
Jun–Oct 1998
5-Month
21.47"
(545.34mm)
18.29"
(464.57mm)
3.18"
(80.77mm)
110th Driest
Driest since:
1953
19th Wettest
Wettest since:
1926
May–Oct 1998
6-Month
25.73"
(653.54mm)
22.56"
(573.02mm)
3.17"
(80.52mm)
101st Driest
Driest since:
1930
28th Wettest
Wettest since:
2009
Apr–Oct 1998
7-Month
31.51"
(800.35mm)
26.47"
(672.34mm)
5.04"
(128.01mm)
116th Driest
Driest since:
1930
13th Wettest
Wettest since:
2009
Mar–Oct 1998
8-Month
35.87"
(911.10mm)
30.28"
(769.11mm)
5.59"
(141.99mm)
118th Driest
Driest since:
1930
11th Wettest
Wettest since:
2009
Feb–Oct 1998
9-Month
38.94"
(989.08mm)
32.95"
(836.93mm)
5.99"
(152.15mm)
118th Driest
Driest since:
1930
11th Wettest
Wettest since:
2019
Jan–Oct 1998
10-Month
42.43"
(1,077.72mm)
36.00"
(914.40mm)
6.43"
(163.32mm)
117th Driest
Driest since:
1930
12th Wettest
Wettest since:
2019
Dec 1997–Oct 1998
11-Month
44.94"
(1,141.48mm)
39.09"
(992.89mm)
5.85"
(148.59mm)
115th Driest
Driest since:
1930
13th Wettest
Wettest since:
2019
Nov 1997–Oct 1998
12-Month
47.70"
(1,211.58mm)
42.23"
(1,072.64mm)
5.47"
(138.94mm)
107th Driest
Driest since:
1963
21st Wettest
Wettest since:
2019
May 1997–Oct 1998
18-Month
69.89"
(1,775.21mm)
64.79"
(1,645.67mm)
5.10"
(129.54mm)
95th Driest
Driest since:
1931
33rd Wettest
Wettest since:
2019
Nov 1996–Oct 1998
24-Month
92.44"
(2,347.98mm)
84.46"
(2,145.28mm)
7.98"
(202.70mm)
107th Driest
Driest since:
1931
20th Wettest
Wettest since:
2020
Nov 1995–Oct 1998
36-Month
138.71"
(3,523.23mm)
126.69"
(3,217.93mm)
12.02"
(305.30mm)
107th Driest
Driest since:
1954
19th Wettest
Wettest since:
2020
Nov 1994–Oct 1998
48-Month
183.46"
(4,659.88mm)
168.97"
(4,291.84mm)
14.49"
(368.04mm)
108th Driest
Driest since:
1956
17th Wettest
Wettest since:
2021
Nov 1993–Oct 1998
60-Month
227.16"
(5,769.86mm)
211.20"
(5,364.48mm)
15.96"
(405.38mm)
106th Driest
Driest since:
1956
18th Wettest
Wettest since:
2020

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