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 1950

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1950
1-Month
4.05"
(102.87mm)
3.47"
(88.14mm)
0.58"
(14.73mm)
95th Driest
Driest since:
1897
34th Wettest
Wettest since:
1926
Ties: 1905
Aug–Sep 1950
2-Month
8.62"
(218.95mm)
7.14"
(181.36mm)
1.48"
(37.59mm)
107th Driest
Driest since:
1897
22nd Wettest
Wettest since:
1926
Jul–Sep 1950
3-Month
13.57"
(344.68mm)
11.14"
(282.96mm)
2.43"
(61.72mm)
113th Driest
Driest since:
1953
16th Wettest
Wettest since:
1926
Jun–Sep 1950
4-Month
18.74"
(476.00mm)
15.39"
(390.91mm)
3.35"
(85.09mm)
118th Driest
Driest since:
1953
11th Wettest
Wettest since:
1915
May–Sep 1950
5-Month
23.23"
(590.04mm)
19.66"
(499.36mm)
3.57"
(90.68mm)
113th Driest
Driest since:
1930
16th Wettest
Wettest since:
1915
Apr–Sep 1950
6-Month
26.93"
(684.02mm)
23.57"
(598.68mm)
3.36"
(85.34mm)
104th Driest
Driest since:
1930
25th Wettest
Wettest since:
2011
Mar–Sep 1950
7-Month
30.16"
(766.06mm)
27.38"
(695.45mm)
2.78"
(70.61mm)
91st Driest
Driest since:
1930
38th Wettest
Wettest since:
1945
Feb–Sep 1950
8-Month
34.43"
(874.52mm)
30.05"
(763.27mm)
4.38"
(111.25mm)
106th Driest
Driest since:
1930
23rd Wettest
Wettest since:
1945
Jan–Sep 1950
9-Month
42.95"
(1,090.93mm)
33.10"
(840.74mm)
9.85"
(250.19mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1950
Dec 1949–Sep 1950
10-Month
47.25"
(1,200.15mm)
36.19"
(919.23mm)
11.06"
(280.92mm)
127th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1950
Nov 1949–Sep 1950
11-Month
48.39"
(1,229.11mm)
39.33"
(998.98mm)
9.06"
(230.13mm)
125th Driest
Driest since:
1930
3rd Wettest
Wettest to Date
2019
Oct 1949–Sep 1950
12-Month
53.08"
(1,348.23mm)
42.25"
(1,073.15mm)
10.83"
(275.08mm)
126th Driest
Driest since:
1925
2nd Wettest
Wettest to Date
2019
Apr 1949–Sep 1950
18-Month
75.86"
(1,926.84mm)
65.79"
(1,671.07mm)
10.07"
(255.77mm)
119th Driest
Driest since:
1931
9th Wettest
Wettest since:
2019
Oct 1948–Sep 1950
24-Month
100.51"
(2,552.95mm)
84.47"
(2,145.54mm)
16.04"
(407.41mm)
123rd Driest
Driest since:
1941
4th Wettest
Wettest to Date
2020
Oct 1947–Sep 1950
36-Month
141.22"
(3,586.99mm)
126.72"
(3,218.69mm)
14.50"
(368.30mm)
114th Driest
Driest since:
1941
12th Wettest
Wettest since:
2020
Oct 1946–Sep 1950
48-Month
184.01"
(4,673.85mm)
168.99"
(4,292.35mm)
15.02"
(381.50mm)
109th Driest
Driest since:
1956
16th Wettest
Wettest since:
2021
Oct 1945–Sep 1950
60-Month
224.59"
(5,704.59mm)
211.21"
(5,364.73mm)
13.38"
(339.86mm)
99th Driest
Driest since:
1956
25th Wettest
Wettest to Date
2020

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