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 1928

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 1928
1-Month
2.92"
(74.17mm)
2.52"
(64.01mm)
0.40"
(10.16mm)
103rd Driest
Driest since:
1987
26th Wettest
Wettest since:
1957
Ties: 1993
Mar–Apr 1928
2-Month
5.31"
(134.87mm)
5.03"
(127.76mm)
0.28"
(7.11mm)
89th Driest
Driest since:
1910
40th Wettest
Wettest since:
1973
Ties: 1921, 1940
Feb–Apr 1928
3-Month
7.15"
(181.61mm)
7.16"
(181.86mm)
-0.01"
(-0.25mm)
76th Driest
Driest since:
1910
53rd Wettest
Wettest since:
1983
Jan–Apr 1928
4-Month
8.43"
(214.12mm)
9.47"
(240.54mm)
-1.04"
(-26.42mm)
18th Driest
Driest since:
1910
111th Wettest
Wettest since:
1998
Dec 1927–Apr 1928
5-Month
11.11"
(282.19mm)
11.82"
(300.23mm)
-0.71"
(-18.04mm)
35th Driest
Driest since:
1931
93rd Wettest
Wettest since:
1983
Ties: 2015
Nov 1927–Apr 1928
6-Month
13.86"
(352.04mm)
14.05"
(356.87mm)
-0.19"
(-4.83mm)
67th Driest
Driest since:
1977
61st Wettest
Wettest since:
1983
Ties: 2004
Oct 1927–Apr 1928
7-Month
16.21"
(411.73mm)
16.22"
(411.99mm)
-0.01"
(-0.26mm)
64th Driest
Driest since:
1981
64th Wettest
Wettest since:
1983
Sep 1927–Apr 1928
8-Month
18.69"
(474.73mm)
18.71"
(475.23mm)
-0.02"
(-0.50mm)
64th Driest
Driest since:
1918
64th Wettest
Wettest since:
2019
Aug 1927–Apr 1928
9-Month
21.41"
(543.81mm)
21.33"
(541.78mm)
0.08"
(2.03mm)
66th Driest
Driest since:
1918
62nd Wettest
Wettest since:
2019
Jul 1927–Apr 1928
10-Month
24.25"
(615.95mm)
24.12"
(612.65mm)
0.13"
(3.30mm)
69th Driest
Driest since:
1931
59th Wettest
Wettest since:
2019
Jun 1927–Apr 1928
11-Month
27.37"
(695.20mm)
27.04"
(686.82mm)
0.33"
(8.38mm)
69th Driest
Driest since:
1931
59th Wettest
Wettest since:
2019
May 1927–Apr 1928
12-Month
30.36"
(771.14mm)
29.95"
(760.73mm)
0.41"
(10.41mm)
67th Driest
Driest since:
1918
61st Wettest
Wettest since:
2019
Nov 1926–Apr 1928
18-Month
46.03"
(1,169.16mm)
44.02"
(1,118.11mm)
2.01"
(51.05mm)
95th Driest
Driest since:
1931
32nd Wettest
Wettest since:
2020
May 1926–Apr 1928
24-Month
62.53"
(1,588.26mm)
59.92"
(1,521.97mm)
2.61"
(66.29mm)
95th Driest
Driest since:
1955
32nd Wettest
Wettest since:
2020
May 1925–Apr 1928
36-Month
90.66"
(2,302.76mm)
89.88"
(2,282.95mm)
0.78"
(19.81mm)
72nd Driest
Driest since:
1955
54th Wettest
Wettest since:
2020
May 1924–Apr 1928
48-Month
116.60"
(2,961.64mm)
119.77"
(3,042.16mm)
-3.17"
(-80.52mm)
31st Driest
Driest since:
1956
94th Wettest
Wettest since:
2019
May 1923–Apr 1928
60-Month
147.03"
(3,734.56mm)
149.63"
(3,800.60mm)
-2.60"
(-66.04mm)
38th Driest
Driest since:
1957
86th Wettest
Wettest since:
2020

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