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, September 1908

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
September 1908
1-Month
1.45"
(36.83mm)
3.47"
(88.14mm)
-2.02"
(-51.31mm)
5th Driest
Driest since:
1897
124th Wettest
Wettest since:
1926
Aug–Sep 1908
2-Month
4.46"
(113.28mm)
7.14"
(181.36mm)
-2.68"
(-68.08mm)
5th Driest
Driest since:
1897
124th Wettest
Wettest since:
1926
Jul–Sep 1908
3-Month
8.24"
(209.30mm)
11.14"
(282.96mm)
-2.90"
(-73.66mm)
7th Driest
Driest since:
1953
122nd Wettest
Wettest since:
1926
Jun–Sep 1908
4-Month
11.96"
(303.78mm)
15.39"
(390.91mm)
-3.43"
(-87.13mm)
8th Driest
Driest since:
1953
121st Wettest
Wettest since:
1915
May–Sep 1908
5-Month
17.78"
(451.61mm)
19.66"
(499.36mm)
-1.88"
(-47.75mm)
32nd Driest
Driest since:
1930
97th Wettest
Wettest since:
1915
Apr–Sep 1908
6-Month
22.83"
(579.88mm)
23.57"
(598.68mm)
-0.74"
(-18.80mm)
51st Driest
Driest since:
1930
78th Wettest
Wettest since:
2011
Mar–Sep 1908
7-Month
27.14"
(689.36mm)
27.38"
(695.45mm)
-0.24"
(-6.09mm)
53rd Driest
Driest since:
1930
76th Wettest
Wettest since:
1945
Feb–Sep 1908
8-Month
31.81"
(807.97mm)
30.05"
(763.27mm)
1.76"
(44.70mm)
80th Driest
Driest since:
1930
49th Wettest
Wettest since:
1945
Jan–Sep 1908
9-Month
33.91"
(861.31mm)
33.10"
(840.74mm)
0.81"
(20.57mm)
68th Driest
Driest since:
1930
61st Wettest
Wettest since:
1950
Dec 1907–Sep 1908
10-Month
36.88"
(936.75mm)
36.19"
(919.23mm)
0.69"
(17.52mm)
67th Driest
Driest since:
1930
61st Wettest
Wettest since:
1950
Nov 1907–Sep 1908
11-Month
39.84"
(1,011.94mm)
39.33"
(998.98mm)
0.51"
(12.96mm)
56th Driest
Driest since:
1930
72nd Wettest
Wettest since:
2019
Ties: 1921, 1982, 1983
Oct 1907–Sep 1908
12-Month
42.30"
(1,074.42mm)
42.25"
(1,073.15mm)
0.05"
(1.27mm)
52nd Driest
Driest since:
1925
76th Wettest
Wettest since:
2019
Apr 1907–Sep 1908
18-Month
67.53"
(1,715.26mm)
65.79"
(1,671.07mm)
1.74"
(44.19mm)
71st Driest
Driest since:
1931
57th Wettest
Wettest since:
2019
Oct 1906–Sep 1908
24-Month
88.98"
(2,260.09mm)
84.47"
(2,145.54mm)
4.51"
(114.55mm)
82nd Driest
Driest since:
1941
45th Wettest
Wettest since:
2020
Oct 1905–Sep 1908
36-Month
131.33"
(3,335.78mm)
126.72"
(3,218.69mm)
4.61"
(117.09mm)
79th Driest
Driest since:
1941
47th Wettest
Wettest since:
2020
Oct 1904–Sep 1908
48-Month
170.60"
(4,333.24mm)
168.99"
(4,292.35mm)
1.61"
(40.89mm)
62nd Driest
Driest since:
1956
63rd Wettest
Wettest since:
2021
Oct 1903–Sep 1908
60-Month
210.85"
(5,355.59mm)
211.21"
(5,364.73mm)
-0.36"
(-9.14mm)
51st Driest
Driest since:
1956
73rd Wettest
Wettest since:
2020

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