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, October 1939

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
October 1939
1-Month
2.21"
(56.13mm)
2.90"
(73.66mm)
-0.69"
(-17.53mm)
38th Driest
Driest since:
1963
91st Wettest
Wettest since:
1919
Ties: 1945, 1968
Sep–Oct 1939
2-Month
3.39"
(86.11mm)
6.37"
(161.80mm)
-2.98"
(-75.69mm)
9th Driest
Driest since:
1897
120th Wettest
Wettest since:
1926
Aug–Oct 1939
3-Month
6.88"
(174.75mm)
10.04"
(255.02mm)
-3.16"
(-80.27mm)
8th Driest
Driest since:
1897
121st Wettest
Wettest since:
1926
Jul–Oct 1939
4-Month
10.88"
(276.35mm)
14.04"
(356.62mm)
-3.16"
(-80.27mm)
10th Driest
Driest since:
1953
119th Wettest
Wettest since:
1926
Jun–Oct 1939
5-Month
16.80"
(426.72mm)
18.29"
(464.57mm)
-1.49"
(-37.85mm)
31st Driest
Driest since:
1953
98th Wettest
Wettest since:
1926
May–Oct 1939
6-Month
19.37"
(492.00mm)
22.56"
(573.02mm)
-3.19"
(-81.02mm)
22nd Driest
Driest since:
1930
107th Wettest
Wettest since:
2009
Apr–Oct 1939
7-Month
24.56"
(623.82mm)
26.47"
(672.34mm)
-1.91"
(-48.52mm)
34th Driest
Driest since:
1930
95th Wettest
Wettest since:
2009
Mar–Oct 1939
8-Month
28.60"
(726.44mm)
30.28"
(769.11mm)
-1.68"
(-42.67mm)
36th Driest
Driest since:
1930
93rd Wettest
Wettest since:
2009
Feb–Oct 1939
9-Month
33.83"
(859.28mm)
32.95"
(836.93mm)
0.88"
(22.35mm)
69th Driest
Driest since:
1930
60th Wettest
Wettest since:
2019
Ties: 1986
Jan–Oct 1939
10-Month
37.68"
(957.07mm)
36.00"
(914.40mm)
1.68"
(42.67mm)
82nd Driest
Driest since:
1930
47th Wettest
Wettest since:
2019
Ties: 2022
Dec 1938–Oct 1939
11-Month
39.53"
(1,004.06mm)
39.09"
(992.89mm)
0.44"
(11.17mm)
55th Driest
Driest since:
1930
73rd Wettest
Wettest since:
2019
Nov 1938–Oct 1939
12-Month
43.07"
(1,093.98mm)
42.23"
(1,072.64mm)
0.84"
(21.34mm)
63rd Driest
Driest since:
1963
65th Wettest
Wettest since:
2019
May 1938–Oct 1939
18-Month
65.96"
(1,675.38mm)
64.79"
(1,645.67mm)
1.17"
(29.71mm)
63rd Driest
Driest since:
1931
65th Wettest
Wettest since:
2019
Nov 1937–Oct 1939
24-Month
84.86"
(2,155.44mm)
84.46"
(2,145.28mm)
0.40"
(10.16mm)
56th Driest
Driest since:
1931
71st Wettest
Wettest since:
2020
Nov 1936–Oct 1939
36-Month
130.92"
(3,325.37mm)
126.69"
(3,217.93mm)
4.23"
(107.44mm)
78th Driest
Driest since:
1954
48th Wettest
Wettest since:
2020
Ties: 1980
Nov 1935–Oct 1939
48-Month
165.56"
(4,205.22mm)
168.97"
(4,291.84mm)
-3.41"
(-86.62mm)
33rd Driest
Driest since:
1956
92nd Wettest
Wettest since:
2021
Ties: 1971
Nov 1934–Oct 1939
60-Month
212.52"
(5,398.01mm)
211.20"
(5,364.48mm)
1.32"
(33.53mm)
60th Driest
Driest since:
1956
64th Wettest
Wettest since:
2020

Citing This Page