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 2008

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 2008
1-Month
2.37"
(60.20mm)
2.90"
(73.66mm)
-0.53"
(-13.46mm)
47th Driest
Driest since:
1963
82nd Wettest
Wettest since:
1919
Sep–Oct 2008
2-Month
6.80"
(172.72mm)
6.37"
(161.80mm)
0.43"
(10.92mm)
76th Driest
Driest since:
1897
53rd Wettest
Wettest since:
1926
Ties: 1902, 1957
Aug–Oct 2008
3-Month
9.11"
(231.39mm)
10.04"
(255.02mm)
-0.93"
(-23.63mm)
38th Driest
Driest since:
1897
91st Wettest
Wettest since:
1926
Jul–Oct 2008
4-Month
14.12"
(358.65mm)
14.04"
(356.62mm)
0.08"
(2.03mm)
61st Driest
Driest since:
1953
68th Wettest
Wettest since:
1926
Jun–Oct 2008
5-Month
19.52"
(495.81mm)
18.29"
(464.57mm)
1.23"
(31.24mm)
75th Driest
Driest since:
1953
54th Wettest
Wettest since:
1926
May–Oct 2008
6-Month
24.75"
(628.65mm)
22.56"
(573.02mm)
2.19"
(55.63mm)
84th Driest
Driest since:
1930
45th Wettest
Wettest since:
2009
Apr–Oct 2008
7-Month
29.55"
(750.57mm)
26.47"
(672.34mm)
3.08"
(78.23mm)
97th Driest
Driest since:
1930
32nd Wettest
Wettest since:
2009
Mar–Oct 2008
8-Month
35.65"
(905.51mm)
30.28"
(769.11mm)
5.37"
(136.40mm)
114th Driest
Driest since:
1930
15th Wettest
Wettest since:
2009
Feb–Oct 2008
9-Month
40.09"
(1,018.29mm)
32.95"
(836.93mm)
7.14"
(181.36mm)
123rd Driest
Driest since:
1930
6th Wettest
Wettest since:
2019
Jan–Oct 2008
10-Month
42.68"
(1,084.07mm)
36.00"
(914.40mm)
6.68"
(169.67mm)
119th Driest
Driest since:
1930
10th Wettest
Wettest since:
2019
Dec 2007–Oct 2008
11-Month
47.35"
(1,202.69mm)
39.09"
(992.89mm)
8.26"
(209.80mm)
122nd Driest
Driest since:
1930
6th Wettest
Wettest since:
2019
Nov 2007–Oct 2008
12-Month
49.82"
(1,265.43mm)
42.23"
(1,072.64mm)
7.59"
(192.79mm)
117th Driest
Driest since:
1963
11th Wettest
Wettest since:
2019
May 2007–Oct 2008
18-Month
69.59"
(1,767.59mm)
64.79"
(1,645.67mm)
4.80"
(121.92mm)
91st Driest
Driest since:
1931
37th Wettest
Wettest since:
2019
Nov 2006–Oct 2008
24-Month
88.97"
(2,259.84mm)
84.46"
(2,145.28mm)
4.51"
(114.56mm)
85th Driest
Driest since:
1931
42nd Wettest
Wettest since:
2020
Nov 2005–Oct 2008
36-Month
132.28"
(3,359.91mm)
126.69"
(3,217.93mm)
5.59"
(141.98mm)
82nd Driest
Driest since:
1954
44th Wettest
Wettest since:
2020
Nov 2004–Oct 2008
48-Month
173.77"
(4,413.76mm)
168.97"
(4,291.84mm)
4.80"
(121.92mm)
78th Driest
Driest since:
1956
47th Wettest
Wettest since:
2021
Nov 2003–Oct 2008
60-Month
221.48"
(5,625.59mm)
211.20"
(5,364.48mm)
10.28"
(261.11mm)
90th Driest
Driest since:
1956
34th Wettest
Wettest since:
2020

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