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, April 1961

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
April 1961
1-Month
2.30"
(58.42mm)
2.52"
(64.01mm)
-0.22"
(-5.59mm)
43rd Driest
Driest since:
1987
87th Wettest
Wettest since:
1957
Ties: 1963
Mar–Apr 1961
2-Month
5.46"
(138.68mm)
5.03"
(127.76mm)
0.43"
(10.92mm)
98th Driest
Driest since:
1910
32nd Wettest
Wettest since:
1973
Ties: 1970
Feb–Apr 1961
3-Month
8.24"
(209.30mm)
7.16"
(181.86mm)
1.08"
(27.44mm)
112th Driest
Driest since:
1910
18th Wettest
Wettest since:
1983
Ties: 1957
Jan–Apr 1961
4-Month
9.72"
(246.89mm)
9.48"
(240.79mm)
0.24"
(6.10mm)
80th Driest
Driest since:
1910
50th Wettest
Wettest since:
1998
Dec 1960–Apr 1961
5-Month
11.62"
(295.15mm)
11.82"
(300.23mm)
-0.20"
(-5.08mm)
57th Driest
Driest since:
1931
72nd Wettest
Wettest since:
1983
Nov 1960–Apr 1961
6-Month
13.67"
(347.22mm)
14.05"
(356.87mm)
-0.38"
(-9.65mm)
56th Driest
Driest since:
1977
73rd Wettest
Wettest since:
1983
Oct 1960–Apr 1961
7-Month
16.07"
(408.18mm)
16.22"
(411.99mm)
-0.15"
(-3.81mm)
61st Driest
Driest since:
1981
68th Wettest
Wettest since:
1983
Ties: 1962
Sep 1960–Apr 1961
8-Month
18.28"
(464.31mm)
18.71"
(475.23mm)
-0.43"
(-10.92mm)
48th Driest
Driest since:
1918
81st Wettest
Wettest since:
2019
Aug 1960–Apr 1961
9-Month
21.11"
(536.19mm)
21.33"
(541.78mm)
-0.22"
(-5.59mm)
54th Driest
Driest since:
1918
75th Wettest
Wettest since:
2019
Jul 1960–Apr 1961
10-Month
23.79"
(604.27mm)
24.12"
(612.65mm)
-0.33"
(-8.38mm)
50th Driest
Driest since:
1931
79th Wettest
Wettest since:
2019
Jun 1960–Apr 1961
11-Month
26.48"
(672.59mm)
27.04"
(686.82mm)
-0.56"
(-14.23mm)
44th Driest
Driest since:
1931
85th Wettest
Wettest since:
2019
May 1960–Apr 1961
12-Month
29.35"
(745.49mm)
29.95"
(760.73mm)
-0.60"
(-15.24mm)
46th Driest
Driest since:
1918
83rd Wettest
Wettest since:
2019
Nov 1959–Apr 1961
18-Month
42.41"
(1,077.21mm)
44.02"
(1,118.11mm)
-1.61"
(-40.90mm)
34th Driest
Driest since:
1931
94th Wettest
Wettest since:
2020
May 1959–Apr 1961
24-Month
60.25"
(1,530.35mm)
59.92"
(1,521.97mm)
0.33"
(8.38mm)
65th Driest
Driest since:
1955
63rd Wettest
Wettest since:
2020
May 1958–Apr 1961
36-Month
88.87"
(2,257.30mm)
89.88"
(2,282.95mm)
-1.01"
(-25.65mm)
49th Driest
Driest since:
1955
78th Wettest
Wettest since:
2020
Ties: 2023
May 1957–Apr 1961
48-Month
122.80"
(3,119.12mm)
119.77"
(3,042.16mm)
3.03"
(76.96mm)
87th Driest
Driest since:
1956
39th Wettest
Wettest since:
2019
May 1956–Apr 1961
60-Month
149.77"
(3,804.16mm)
149.63"
(3,800.60mm)
0.14"
(3.56mm)
62nd Driest
Driest since:
1957
63rd Wettest
Wettest since:
2020

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