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 1926

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 1926
1-Month
6.81"
(172.97mm)
3.47"
(88.14mm)
3.34"
(84.83mm)
128th Driest
Driest since:
1897
1st Wettest
Wettest to Date
1926
Aug–Sep 1926
2-Month
13.02"
(330.71mm)
7.14"
(181.36mm)
5.88"
(149.35mm)
128th Driest
Driest since:
1897
1st Wettest
Wettest to Date
1926
Jul–Sep 1926
3-Month
16.63"
(422.40mm)
11.14"
(282.96mm)
5.49"
(139.44mm)
128th Driest
Driest since:
1953
1st Wettest
Wettest to Date
1926
Jun–Sep 1926
4-Month
20.33"
(516.38mm)
15.39"
(390.91mm)
4.94"
(125.47mm)
125th Driest
Driest since:
1953
4th Wettest
Wettest since:
1915
May–Sep 1926
5-Month
22.88"
(581.15mm)
19.66"
(499.36mm)
3.22"
(81.79mm)
108th Driest
Driest since:
1930
21st Wettest
Wettest since:
1915
Apr–Sep 1926
6-Month
25.75"
(654.05mm)
23.57"
(598.68mm)
2.18"
(55.37mm)
87th Driest
Driest since:
1930
42nd Wettest
Wettest since:
2011
Ties: 1977
Mar–Sep 1926
7-Month
28.67"
(728.22mm)
27.38"
(695.45mm)
1.29"
(32.77mm)
76th Driest
Driest since:
1930
53rd Wettest
Wettest since:
1945
Feb–Sep 1926
8-Month
31.39"
(797.31mm)
30.05"
(763.27mm)
1.34"
(34.04mm)
78th Driest
Driest since:
1930
51st Wettest
Wettest since:
1945
Jan–Sep 1926
9-Month
34.14"
(867.16mm)
33.10"
(840.74mm)
1.04"
(26.42mm)
71st Driest
Driest since:
1930
58th Wettest
Wettest since:
1950
Dec 1925–Sep 1926
10-Month
35.41"
(899.41mm)
36.19"
(919.23mm)
-0.78"
(-19.82mm)
45th Driest
Driest since:
1930
83rd Wettest
Wettest since:
1950
Nov 1925–Sep 1926
11-Month
39.32"
(998.73mm)
39.33"
(998.98mm)
-0.01"
(-0.25mm)
53rd Driest
Driest since:
1930
75th Wettest
Wettest since:
2019
Oct 1925–Sep 1926
12-Month
44.83"
(1,138.68mm)
42.25"
(1,073.15mm)
2.58"
(65.53mm)
85th Driest
Driest since:
1925
43rd Wettest
Wettest since:
2019
Apr 1925–Sep 1926
18-Month
64.59"
(1,640.59mm)
65.79"
(1,671.07mm)
-1.20"
(-30.48mm)
42nd Driest
Driest since:
1931
86th Wettest
Wettest since:
2019
Oct 1924–Sep 1926
24-Month
78.23"
(1,987.04mm)
84.47"
(2,145.54mm)
-6.24"
(-158.50mm)
18th Driest
Driest since:
1941
109th Wettest
Wettest since:
2020
Oct 1923–Sep 1926
36-Month
122.45"
(3,110.23mm)
126.72"
(3,218.69mm)
-4.27"
(-108.46mm)
30th Driest
Driest since:
1941
96th Wettest
Wettest since:
2020
Oct 1922–Sep 1926
48-Month
165.90"
(4,213.86mm)
168.99"
(4,292.35mm)
-3.09"
(-78.49mm)
37th Driest
Driest since:
1956
88th Wettest
Wettest since:
2021
Oct 1921–Sep 1926
60-Month
208.96"
(5,307.58mm)
211.21"
(5,364.73mm)
-2.25"
(-57.15mm)
42nd Driest
Driest since:
1956
82nd Wettest
Wettest since:
2020

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