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 1908

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 1908
1-Month
2.69"
(68.33mm)
2.52"
(64.01mm)
0.17"
(4.32mm)
85th Driest
Driest since:
1987
44th Wettest
Wettest since:
1957
Ties: 1938
Mar–Apr 1908
2-Month
4.87"
(123.70mm)
5.03"
(127.76mm)
-0.16"
(-4.06mm)
60th Driest
Driest since:
1910
69th Wettest
Wettest since:
1973
Feb–Apr 1908
3-Month
7.68"
(195.07mm)
7.16"
(181.86mm)
0.52"
(13.21mm)
93rd Driest
Driest since:
1910
36th Wettest
Wettest since:
1983
Ties: 1964, 2003
Jan–Apr 1908
4-Month
9.50"
(241.30mm)
9.48"
(240.79mm)
0.02"
(0.51mm)
68th Driest
Driest since:
1910
61st Wettest
Wettest since:
1998
Dec 1907–Apr 1908
5-Month
12.19"
(309.63mm)
11.82"
(300.23mm)
0.37"
(9.40mm)
82nd Driest
Driest since:
1931
46th Wettest
Wettest since:
1983
Ties: 1999
Nov 1907–Apr 1908
6-Month
14.44"
(366.78mm)
14.05"
(356.87mm)
0.39"
(9.91mm)
84th Driest
Driest since:
1977
44th Wettest
Wettest since:
1983
Oct 1907–Apr 1908
7-Month
16.47"
(418.34mm)
16.22"
(411.99mm)
0.25"
(6.35mm)
76th Driest
Driest since:
1981
52nd Wettest
Wettest since:
1983
Ties: 1941
Sep 1907–Apr 1908
8-Month
18.98"
(482.09mm)
18.71"
(475.23mm)
0.27"
(6.86mm)
74th Driest
Driest since:
1918
54th Wettest
Wettest since:
2019
Aug 1907–Apr 1908
9-Month
21.53"
(546.86mm)
21.33"
(541.78mm)
0.20"
(5.08mm)
71st Driest
Driest since:
1918
57th Wettest
Wettest since:
2019
Jul 1907–Apr 1908
10-Month
24.53"
(623.06mm)
24.12"
(612.65mm)
0.41"
(10.41mm)
77th Driest
Driest since:
1931
51st Wettest
Wettest since:
2019
Jun 1907–Apr 1908
11-Month
27.65"
(702.31mm)
27.04"
(686.82mm)
0.61"
(15.49mm)
79th Driest
Driest since:
1931
49th Wettest
Wettest since:
2019
May 1907–Apr 1908
12-Month
31.10"
(789.94mm)
29.95"
(760.73mm)
1.15"
(29.21mm)
90th Driest
Driest since:
1918
38th Wettest
Wettest since:
2019
Nov 1906–Apr 1908
18-Month
45.81"
(1,163.57mm)
44.02"
(1,118.11mm)
1.79"
(45.46mm)
93rd Driest
Driest since:
1931
34th Wettest
Wettest since:
2020
Ties: 1897
May 1906–Apr 1908
24-Month
63.69"
(1,617.73mm)
59.92"
(1,521.97mm)
3.77"
(95.76mm)
108th Driest
Driest since:
1955
19th Wettest
Wettest since:
2020
May 1905–Apr 1908
36-Month
95.61"
(2,428.49mm)
89.88"
(2,282.95mm)
5.73"
(145.54mm)
110th Driest
Driest since:
1955
16th Wettest
Wettest to Date
2020
May 1904–Apr 1908
48-Month
124.37"
(3,159.00mm)
119.77"
(3,042.16mm)
4.60"
(116.84mm)
98th Driest
Driest since:
1956
27th Wettest
Wettest to Date
2019
May 1903–Apr 1908
60-Month
152.89"
(3,883.41mm)
149.63"
(3,800.60mm)
3.26"
(82.81mm)
81st Driest
Driest since:
1957
43rd Wettest
Wettest since:
2020

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