National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, October 1975

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 1975
1-Month
2.30"
(58.42mm)
2.16"
(54.86mm)
0.14"
(3.56mm)
72nd Driest
Driest since:
1952
57th Wettest
Wettest since:
2009
Ties: 1951
Sep–Oct 1975
2-Month
4.96"
(125.98mm)
4.65"
(118.11mm)
0.31"
(7.87mm)
84th Driest
Driest since:
1952
45th Wettest
Wettest since:
2018
Aug–Oct 1975
3-Month
7.79"
(197.87mm)
7.27"
(184.66mm)
0.52"
(13.21mm)
87th Driest
Driest since:
1952
42nd Wettest
Wettest since:
2018
Jul–Oct 1975
4-Month
10.76"
(273.30mm)
10.05"
(255.27mm)
0.71"
(18.03mm)
94th Driest
Driest since:
1952
35th Wettest
Wettest since:
1941
Ties: 1998
Jun–Oct 1975
5-Month
14.07"
(357.38mm)
12.97"
(329.44mm)
1.10"
(27.94mm)
101st Driest
Driest since:
1952
28th Wettest
Wettest since:
1941
Ties: 2010
May–Oct 1975
6-Month
17.35"
(440.69mm)
15.88"
(403.35mm)
1.47"
(37.34mm)
105th Driest
Driest since:
1952
24th Wettest
Wettest since:
1941
Apr–Oct 1975
7-Month
20.02"
(508.51mm)
18.40"
(467.36mm)
1.62"
(41.15mm)
104th Driest
Driest since:
1952
25th Wettest
Wettest since:
1941
Mar–Oct 1975
8-Month
23.42"
(594.87mm)
20.91"
(531.11mm)
2.51"
(63.76mm)
117th Driest
Driest since:
1956
12th Wettest
Wettest since:
2019
Feb–Oct 1975
9-Month
26.03"
(661.16mm)
23.04"
(585.22mm)
2.99"
(75.94mm)
122nd Driest
Driest since:
1934
7th Wettest
Wettest since:
2019
Jan–Oct 1975
10-Month
28.64"
(727.46mm)
25.36"
(644.14mm)
3.28"
(83.32mm)
123rd Driest
Driest since:
1934
6th Wettest
Wettest since:
2019
Dec 1974–Oct 1975
11-Month
31.06"
(788.92mm)
27.70"
(703.58mm)
3.36"
(85.34mm)
119th Driest
Driest since:
1931
9th Wettest
Wettest since:
2019
Nov 1974–Oct 1975
12-Month
33.24"
(844.30mm)
29.93"
(760.22mm)
3.31"
(84.08mm)
116th Driest
Driest since:
1934
12th Wettest
Wettest since:
2019
May 1974–Oct 1975
18-Month
49.25"
(1,250.95mm)
45.83"
(1,164.08mm)
3.42"
(86.87mm)
109th Driest
Driest since:
1931
19th Wettest
Wettest since:
2019
Ties: 1907
Nov 1973–Oct 1975
24-Month
65.52"
(1,664.21mm)
59.90"
(1,521.46mm)
5.62"
(142.75mm)
116th Driest
Driest since:
1931
11th Wettest
Wettest since:
2019
Nov 1972–Oct 1975
36-Month
100.29"
(2,547.37mm)
89.86"
(2,282.44mm)
10.43"
(264.93mm)
124th Driest
Driest since:
1956
2nd Wettest
Wettest to Date
2019
Nov 1971–Oct 1975
48-Month
131.15"
(3,331.21mm)
119.78"
(3,042.41mm)
11.37"
(288.80mm)
120th Driest
Driest since:
1956
5th Wettest
Wettest to Date
2019
Nov 1970–Oct 1975
60-Month
160.67"
(4,081.02mm)
149.66"
(3,801.36mm)
11.01"
(279.66mm)
114th Driest
Driest since:
1934
10th Wettest
Wettest to Date
2019

Citing This Page