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 1986

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 1986
1-Month
2.24"
(56.90mm)
2.52"
(64.01mm)
-0.28"
(-7.11mm)
36th Driest
Driest since:
1987
93rd Wettest
Wettest since:
1957
Mar–Apr 1986
2-Month
4.22"
(107.19mm)
5.03"
(127.76mm)
-0.81"
(-20.57mm)
12th Driest
Driest since:
1910
117th Wettest
Wettest since:
1973
Ties: 1916
Feb–Apr 1986
3-Month
7.04"
(178.82mm)
7.16"
(181.86mm)
-0.12"
(-3.04mm)
68th Driest
Driest since:
1910
61st Wettest
Wettest since:
1983
Jan–Apr 1986
4-Month
8.49"
(215.65mm)
9.47"
(240.54mm)
-0.98"
(-24.89mm)
19th Driest
Driest since:
1910
110th Wettest
Wettest since:
1998
Ties: 1943
Dec 1985–Apr 1986
5-Month
9.95"
(252.73mm)
11.82"
(300.23mm)
-1.87"
(-47.50mm)
6th Driest
Driest since:
1931
122nd Wettest
Wettest since:
1983
Nov 1985–Apr 1986
6-Month
13.49"
(342.65mm)
14.05"
(356.87mm)
-0.56"
(-14.22mm)
48th Driest
Driest since:
1977
80th Wettest
Wettest since:
1983
Ties: 2006
Oct 1985–Apr 1986
7-Month
16.67"
(423.42mm)
16.22"
(411.99mm)
0.45"
(11.43mm)
82nd Driest
Driest since:
1981
46th Wettest
Wettest since:
1983
Sep 1985–Apr 1986
8-Month
19.67"
(499.62mm)
18.71"
(475.23mm)
0.96"
(24.39mm)
90th Driest
Driest since:
1918
38th Wettest
Wettest since:
2019
Aug 1985–Apr 1986
9-Month
22.60"
(574.04mm)
21.33"
(541.78mm)
1.27"
(32.26mm)
97th Driest
Driest since:
1918
31st Wettest
Wettest since:
2019
Jul 1985–Apr 1986
10-Month
25.32"
(643.13mm)
24.12"
(612.65mm)
1.20"
(30.48mm)
94th Driest
Driest since:
1931
34th Wettest
Wettest since:
2019
Jun 1985–Apr 1986
11-Month
27.94"
(709.68mm)
27.04"
(686.82mm)
0.90"
(22.86mm)
86th Driest
Driest since:
1931
42nd Wettest
Wettest since:
2019
May 1985–Apr 1986
12-Month
30.49"
(774.45mm)
29.95"
(760.73mm)
0.54"
(13.72mm)
73rd Driest
Driest since:
1918
55th Wettest
Wettest since:
2019
Nov 1984–Apr 1986
18-Month
43.80"
(1,112.52mm)
44.02"
(1,118.11mm)
-0.22"
(-5.59mm)
53rd Driest
Driest since:
1931
74th Wettest
Wettest since:
2020
May 1984–Apr 1986
24-Month
60.70"
(1,541.78mm)
59.92"
(1,521.97mm)
0.78"
(19.81mm)
73rd Driest
Driest since:
1955
54th Wettest
Wettest since:
2020
May 1983–Apr 1986
36-Month
92.96"
(2,361.18mm)
89.88"
(2,282.95mm)
3.08"
(78.23mm)
91st Driest
Driest since:
1955
35th Wettest
Wettest since:
2020
May 1982–Apr 1986
48-Month
128.38"
(3,260.85mm)
119.77"
(3,042.16mm)
8.61"
(218.69mm)
112th Driest
Driest since:
1956
13th Wettest
Wettest since:
2019
May 1981–Apr 1986
60-Month
160.89"
(4,086.61mm)
149.63"
(3,800.60mm)
11.26"
(286.01mm)
116th Driest
Driest since:
1957
8th Wettest
Wettest to Date
2020

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