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, August 1930

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
August 1930
1-Month
2.20"
(55.88mm)
3.67"
(93.22mm)
-1.47"
(-37.34mm)
3rd Driest
Driest since:
1953
126th Wettest
Wettest since:
1915
Jul–Aug 1930
2-Month
3.66"
(92.96mm)
7.67"
(194.82mm)
-4.01"
(-101.86mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
1915
Jun–Aug 1930
3-Month
6.36"
(161.54mm)
11.92"
(302.77mm)
-5.56"
(-141.23mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
1958
May–Aug 1930
4-Month
9.26"
(235.20mm)
16.19"
(411.23mm)
-6.93"
(-176.03mm)
2nd Driest
Driest since:
1936
127th Wettest
Wettest since:
1915
Apr–Aug 1930
5-Month
11.34"
(288.04mm)
20.10"
(510.54mm)
-8.76"
(-222.50mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2015
Mar–Aug 1930
6-Month
13.69"
(347.73mm)
23.91"
(607.31mm)
-10.22"
(-259.58mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2015
Feb–Aug 1930
7-Month
16.29"
(413.77mm)
26.58"
(675.13mm)
-10.29"
(-261.36mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2019
Jan–Aug 1930
8-Month
20.93"
(531.62mm)
29.63"
(752.60mm)
-8.70"
(-220.98mm)
2nd Driest
Driest since:
1936
127th Wettest
Wettest since:
2019
Dec 1929–Aug 1930
9-Month
23.59"
(599.19mm)
32.72"
(831.09mm)
-9.13"
(-231.90mm)
2nd Driest
Driest since:
1936
126th Wettest
Wettest since:
2019
Nov 1929–Aug 1930
10-Month
26.79"
(680.47mm)
35.86"
(910.84mm)
-9.07"
(-230.37mm)
3rd Driest
Driest since:
1936
125th Wettest
Wettest since:
2019
Oct 1929–Aug 1930
11-Month
31.13"
(790.70mm)
38.78"
(985.01mm)
-7.65"
(-194.31mm)
5th Driest
Driest since:
1936
123rd Wettest
Wettest since:
2019
Sep 1929–Aug 1930
12-Month
34.50"
(876.30mm)
42.24"
(1,072.90mm)
-7.74"
(-196.60mm)
9th Driest
Driest since:
1936
119th Wettest
Wettest since:
2019
Mar 1929–Aug 1930
18-Month
61.97"
(1,574.04mm)
66.13"
(1,679.70mm)
-4.16"
(-105.66mm)
27th Driest
Driest since:
1931
101st Wettest
Wettest since:
2019
Sep 1928–Aug 1930
24-Month
80.39"
(2,041.91mm)
84.47"
(2,145.54mm)
-4.08"
(-103.63mm)
32nd Driest
Driest since:
1941
95th Wettest
Wettest since:
2020
Sep 1927–Aug 1930
36-Month
126.48"
(3,212.59mm)
126.74"
(3,219.20mm)
-0.26"
(-6.61mm)
56th Driest
Driest since:
1941
70th Wettest
Wettest since:
2020
Sep 1926–Aug 1930
48-Month
181.52"
(4,610.61mm)
168.98"
(4,292.09mm)
12.54"
(318.52mm)
102nd Driest
Driest since:
1956
23rd Wettest
Wettest since:
2022
Sep 1925–Aug 1930
60-Month
223.97"
(5,688.84mm)
211.20"
(5,364.48mm)
12.77"
(324.36mm)
97th Driest
Driest since:
1934
27th Wettest
Wettest to Date
2020

Citing This Page