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 1934

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1934
1-Month
5.70"
(144.78mm)
3.47"
(88.14mm)
2.23"
(56.64mm)
121st Driest
Driest since:
1897
8th Wettest
Wettest since:
1926
Aug–Sep 1934
2-Month
10.05"
(255.27mm)
7.14"
(181.36mm)
2.91"
(73.91mm)
121st Driest
Driest since:
1897
8th Wettest
Wettest since:
1926
Jul–Sep 1934
3-Month
13.01"
(330.45mm)
11.14"
(282.96mm)
1.87"
(47.49mm)
105th Driest
Driest since:
1953
24th Wettest
Wettest since:
1926
Ties: 1961
Jun–Sep 1934
4-Month
16.72"
(424.69mm)
15.39"
(390.91mm)
1.33"
(33.78mm)
88th Driest
Driest since:
1953
41st Wettest
Wettest since:
1915
May–Sep 1934
5-Month
18.38"
(466.85mm)
19.66"
(499.36mm)
-1.28"
(-32.51mm)
42nd Driest
Driest since:
1930
87th Wettest
Wettest since:
1915
Apr–Sep 1934
6-Month
20.52"
(521.21mm)
23.57"
(598.68mm)
-3.05"
(-77.47mm)
21st Driest
Driest since:
1930
108th Wettest
Wettest since:
2011
Mar–Sep 1934
7-Month
24.31"
(617.47mm)
27.38"
(695.45mm)
-3.07"
(-77.98mm)
22nd Driest
Driest since:
1930
107th Wettest
Wettest since:
1945
Ties: 1962
Feb–Sep 1934
8-Month
25.85"
(656.59mm)
30.05"
(763.27mm)
-4.20"
(-106.68mm)
15th Driest
Driest since:
1930
114th Wettest
Wettest since:
1945
Jan–Sep 1934
9-Month
27.62"
(701.55mm)
33.10"
(840.74mm)
-5.48"
(-139.19mm)
12th Driest
Driest since:
1930
117th Wettest
Wettest since:
1950
Dec 1933–Sep 1934
10-Month
30.66"
(778.76mm)
36.19"
(919.23mm)
-5.53"
(-140.47mm)
12th Driest
Driest since:
1930
116th Wettest
Wettest since:
1950
Nov 1933–Sep 1934
11-Month
31.96"
(811.78mm)
39.33"
(998.98mm)
-7.37"
(-187.20mm)
6th Driest
Driest since:
1930
122nd Wettest
Wettest since:
2019
Oct 1933–Sep 1934
12-Month
34.25"
(869.95mm)
42.25"
(1,073.15mm)
-8.00"
(-203.20mm)
7th Driest
Driest since:
1925
121st Wettest
Wettest since:
2019
Apr 1933–Sep 1934
18-Month
58.78"
(1,493.01mm)
65.79"
(1,671.07mm)
-7.01"
(-178.06mm)
13th Driest
Driest since:
1931
115th Wettest
Wettest since:
2019
Oct 1932–Sep 1934
24-Month
80.41"
(2,042.41mm)
84.47"
(2,145.54mm)
-4.06"
(-103.13mm)
32nd Driest
Driest since:
1941
95th Wettest
Wettest since:
2020
Oct 1931–Sep 1934
36-Month
123.64"
(3,140.46mm)
126.72"
(3,218.69mm)
-3.08"
(-78.23mm)
34th Driest
Driest since:
1941
92nd Wettest
Wettest since:
2020
Oct 1930–Sep 1934
48-Month
158.65"
(4,029.71mm)
168.99"
(4,292.35mm)
-10.34"
(-262.64mm)
11th Driest
Driest since:
1956
114th Wettest
Wettest since:
2021
Oct 1929–Sep 1934
60-Month
193.09"
(4,904.49mm)
211.21"
(5,364.73mm)
-18.12"
(-460.24mm)
3rd Driest
Driest since:
1956
121st Wettest
Wettest since:
2020

Citing This Page