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 1923

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 1923
1-Month
2.84"
(72.14mm)
2.52"
(64.01mm)
0.32"
(8.13mm)
97th Driest
Driest since:
1987
32nd Wettest
Wettest since:
1957
Ties: 1942
Mar–Apr 1923
2-Month
5.26"
(133.60mm)
5.03"
(127.76mm)
0.23"
(5.84mm)
84th Driest
Driest since:
1910
45th Wettest
Wettest since:
1973
Feb–Apr 1923
3-Month
7.12"
(180.85mm)
7.16"
(181.86mm)
-0.04"
(-1.01mm)
75th Driest
Driest since:
1910
54th Wettest
Wettest since:
1983
Jan–Apr 1923
4-Month
9.56"
(242.82mm)
9.48"
(240.79mm)
0.08"
(2.03mm)
71st Driest
Driest since:
1910
58th Wettest
Wettest since:
1998
Ties: 1951
Dec 1922–Apr 1923
5-Month
12.23"
(310.64mm)
11.82"
(300.23mm)
0.41"
(10.41mm)
85th Driest
Driest since:
1931
43rd Wettest
Wettest since:
1983
Nov 1922–Apr 1923
6-Month
14.31"
(363.47mm)
14.05"
(356.87mm)
0.26"
(6.60mm)
83rd Driest
Driest since:
1977
45th Wettest
Wettest since:
1983
Oct 1922–Apr 1923
7-Month
16.04"
(407.42mm)
16.22"
(411.99mm)
-0.18"
(-4.57mm)
60th Driest
Driest since:
1981
68th Wettest
Wettest since:
1983
Sep 1922–Apr 1923
8-Month
17.51"
(444.75mm)
18.71"
(475.23mm)
-1.20"
(-30.48mm)
32nd Driest
Driest since:
1918
96th Wettest
Wettest since:
2019
Aug 1922–Apr 1923
9-Month
19.74"
(501.40mm)
21.33"
(541.78mm)
-1.59"
(-40.38mm)
26th Driest
Driest since:
1918
102nd Wettest
Wettest since:
2019
Jul 1922–Apr 1923
10-Month
22.63"
(574.80mm)
24.12"
(612.65mm)
-1.49"
(-37.85mm)
28th Driest
Driest since:
1931
100th Wettest
Wettest since:
2019
Ties: 1904
Jun 1922–Apr 1923
11-Month
25.33"
(643.38mm)
27.04"
(686.82mm)
-1.71"
(-43.44mm)
24th Driest
Driest since:
1931
104th Wettest
Wettest since:
2019
May 1922–Apr 1923
12-Month
28.44"
(722.38mm)
29.95"
(760.73mm)
-1.51"
(-38.35mm)
30th Driest
Driest since:
1918
98th Wettest
Wettest since:
2019
Nov 1921–Apr 1923
18-Month
44.10"
(1,120.14mm)
44.02"
(1,118.11mm)
0.08"
(2.03mm)
61st Driest
Driest since:
1931
66th Wettest
Wettest since:
2020
May 1921–Apr 1923
24-Month
59.04"
(1,499.62mm)
59.92"
(1,521.97mm)
-0.88"
(-22.35mm)
51st Driest
Driest since:
1955
76th Wettest
Wettest since:
2020
May 1920–Apr 1923
36-Month
89.63"
(2,276.60mm)
89.88"
(2,282.95mm)
-0.25"
(-6.35mm)
63rd Driest
Driest since:
1955
63rd Wettest
Wettest since:
2020
May 1919–Apr 1923
48-Month
121.62"
(3,089.15mm)
119.77"
(3,042.16mm)
1.85"
(46.99mm)
75th Driest
Driest since:
1956
50th Wettest
Wettest since:
2019
May 1918–Apr 1923
60-Month
151.27"
(3,842.26mm)
149.63"
(3,800.60mm)
1.64"
(41.66mm)
68th Driest
Driest since:
1957
56th Wettest
Wettest since:
2020

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