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 1925

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 1925
1-Month
4.43"
(112.52mm)
3.47"
(88.14mm)
0.96"
(24.38mm)
104th Driest
Driest since:
1897
25th Wettest
Wettest since:
1926
Ties: 2008
Aug–Sep 1925
2-Month
6.81"
(172.97mm)
7.14"
(181.36mm)
-0.33"
(-8.39mm)
62nd Driest
Driest since:
1897
67th Wettest
Wettest since:
1926
Jul–Sep 1925
3-Month
10.43"
(264.92mm)
11.14"
(282.96mm)
-0.71"
(-18.04mm)
43rd Driest
Driest since:
1953
86th Wettest
Wettest since:
1926
Jun–Sep 1925
4-Month
14.63"
(371.60mm)
15.39"
(390.91mm)
-0.76"
(-19.31mm)
46th Driest
Driest since:
1953
83rd Wettest
Wettest since:
1915
May–Sep 1925
5-Month
16.69"
(423.93mm)
19.66"
(499.36mm)
-2.97"
(-75.43mm)
18th Driest
Driest since:
1930
111th Wettest
Wettest since:
1915
Apr–Sep 1925
6-Month
19.76"
(501.90mm)
23.57"
(598.68mm)
-3.81"
(-96.78mm)
17th Driest
Driest since:
1930
112th Wettest
Wettest since:
2011
Mar–Sep 1925
7-Month
22.41"
(569.21mm)
27.38"
(695.45mm)
-4.97"
(-126.24mm)
8th Driest
Driest since:
1930
121st Wettest
Wettest since:
1945
Feb–Sep 1925
8-Month
24.97"
(634.24mm)
30.05"
(763.27mm)
-5.08"
(-129.03mm)
9th Driest
Driest since:
1930
120th Wettest
Wettest since:
1945
Jan–Sep 1925
9-Month
26.80"
(680.72mm)
33.10"
(840.74mm)
-6.30"
(-160.02mm)
7th Driest
Driest since:
1930
122nd Wettest
Wettest since:
1950
Dec 1924–Sep 1925
10-Month
31.12"
(790.45mm)
36.19"
(919.23mm)
-5.07"
(-128.78mm)
13th Driest
Driest since:
1930
115th Wettest
Wettest since:
1950
Nov 1924–Sep 1925
11-Month
32.74"
(831.60mm)
39.33"
(998.98mm)
-6.59"
(-167.38mm)
11th Driest
Driest since:
1930
117th Wettest
Wettest since:
2019
Oct 1924–Sep 1925
12-Month
33.40"
(848.36mm)
42.25"
(1,073.15mm)
-8.85"
(-224.79mm)
1st Driest
Driest since:
1925
127th Wettest
Wettest since:
2019
Apr 1924–Sep 1925
18-Month
58.74"
(1,492.00mm)
65.79"
(1,671.07mm)
-7.05"
(-179.07mm)
12th Driest
Driest since:
1931
116th Wettest
Wettest since:
2019
Oct 1923–Sep 1925
24-Month
77.62"
(1,971.55mm)
84.47"
(2,145.54mm)
-6.85"
(-173.99mm)
17th Driest
Driest since:
1941
110th Wettest
Wettest since:
2020
Oct 1922–Sep 1925
36-Month
121.07"
(3,075.18mm)
126.72"
(3,218.69mm)
-5.65"
(-143.51mm)
24th Driest
Driest since:
1941
102nd Wettest
Wettest since:
2020
Oct 1921–Sep 1925
48-Month
164.13"
(4,168.90mm)
168.99"
(4,292.35mm)
-4.86"
(-123.45mm)
31st Driest
Driest since:
1956
94th Wettest
Wettest since:
2021
Oct 1920–Sep 1925
60-Month
206.05"
(5,233.67mm)
211.21"
(5,364.73mm)
-5.16"
(-131.06mm)
30th Driest
Driest since:
1956
94th Wettest
Wettest since:
2020

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