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 1926

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 1926
1-Month
2.18"
(55.37mm)
2.52"
(64.01mm)
-0.34"
(-8.64mm)
33rd Driest
Driest since:
1987
96th Wettest
Wettest since:
1957
Mar–Apr 1926
2-Month
4.49"
(114.05mm)
5.03"
(127.76mm)
-0.54"
(-13.71mm)
28th Driest
Driest since:
1910
101st Wettest
Wettest since:
1973
Ties: 1909, 1969
Feb–Apr 1926
3-Month
6.54"
(166.12mm)
7.16"
(181.86mm)
-0.62"
(-15.74mm)
26th Driest
Driest since:
1910
103rd Wettest
Wettest since:
1983
Jan–Apr 1926
4-Month
8.90"
(226.06mm)
9.48"
(240.79mm)
-0.58"
(-14.73mm)
41st Driest
Driest since:
1910
88th Wettest
Wettest since:
1998
Dec 1925–Apr 1926
5-Month
10.56"
(268.22mm)
11.82"
(300.23mm)
-1.26"
(-32.01mm)
17th Driest
Driest since:
1931
111th Wettest
Wettest since:
1983
Ties: 1971
Nov 1925–Apr 1926
6-Month
12.72"
(323.09mm)
14.05"
(356.87mm)
-1.33"
(-33.78mm)
16th Driest
Driest since:
1977
112th Wettest
Wettest since:
1983
Oct 1925–Apr 1926
7-Month
15.71"
(399.03mm)
16.22"
(411.99mm)
-0.51"
(-12.96mm)
49th Driest
Driest since:
1981
79th Wettest
Wettest since:
1983
Sep 1925–Apr 1926
8-Month
18.59"
(472.19mm)
18.71"
(475.23mm)
-0.12"
(-3.04mm)
60th Driest
Driest since:
1918
68th Wettest
Wettest since:
2019
Ties: 1950
Aug 1925–Apr 1926
9-Month
20.65"
(524.51mm)
21.33"
(541.78mm)
-0.68"
(-17.27mm)
40th Driest
Driest since:
1918
88th Wettest
Wettest since:
2019
Ties: 2022
Jul 1925–Apr 1926
10-Month
23.30"
(591.82mm)
24.12"
(612.65mm)
-0.82"
(-20.83mm)
40th Driest
Driest since:
1931
88th Wettest
Wettest since:
2019
Jun 1925–Apr 1926
11-Month
26.21"
(665.73mm)
27.04"
(686.82mm)
-0.83"
(-21.09mm)
40th Driest
Driest since:
1931
88th Wettest
Wettest since:
2019
May 1925–Apr 1926
12-Month
28.13"
(714.50mm)
29.95"
(760.73mm)
-1.82"
(-46.23mm)
23rd Driest
Driest since:
1918
105th Wettest
Wettest since:
2019
Nov 1924–Apr 1926
18-Month
39.85"
(1,012.19mm)
44.02"
(1,118.11mm)
-4.17"
(-105.92mm)
10th Driest
Driest since:
1931
117th Wettest
Wettest since:
2020
May 1924–Apr 1926
24-Month
54.07"
(1,373.38mm)
59.92"
(1,521.97mm)
-5.85"
(-148.59mm)
6th Driest
Driest since:
1955
121st Wettest
Wettest since:
2020
May 1923–Apr 1926
36-Month
84.50"
(2,146.30mm)
89.88"
(2,282.95mm)
-5.38"
(-136.65mm)
9th Driest
Driest since:
1955
117th Wettest
Wettest since:
2020
May 1922–Apr 1926
48-Month
112.94"
(2,868.68mm)
119.77"
(3,042.16mm)
-6.83"
(-173.48mm)
8th Driest
Driest since:
1956
117th Wettest
Wettest since:
2019
May 1921–Apr 1926
60-Month
143.54"
(3,645.92mm)
149.63"
(3,800.60mm)
-6.09"
(-154.68mm)
12th Driest
Driest since:
1957
112th Wettest
Wettest since:
2020

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