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 1976

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 1976
1-Month
2.29"
(58.17mm)
2.52"
(64.01mm)
-0.23"
(-5.84mm)
42nd Driest
Driest since:
1987
87th Wettest
Wettest since:
1957
Mar–Apr 1976
2-Month
4.86"
(123.44mm)
5.03"
(127.76mm)
-0.17"
(-4.32mm)
59th Driest
Driest since:
1910
70th Wettest
Wettest since:
1973
Feb–Apr 1976
3-Month
6.75"
(171.45mm)
7.16"
(181.86mm)
-0.41"
(-10.41mm)
48th Driest
Driest since:
1910
81st Wettest
Wettest since:
1983
Jan–Apr 1976
4-Month
8.51"
(216.15mm)
9.48"
(240.79mm)
-0.97"
(-24.64mm)
21st Driest
Driest since:
1910
108th Wettest
Wettest since:
1998
Dec 1975–Apr 1976
5-Month
10.62"
(269.75mm)
11.82"
(300.23mm)
-1.20"
(-30.48mm)
20th Driest
Driest since:
1931
108th Wettest
Wettest since:
1983
Nov 1975–Apr 1976
6-Month
12.90"
(327.66mm)
14.05"
(356.87mm)
-1.15"
(-29.21mm)
24th Driest
Driest since:
1977
104th Wettest
Wettest since:
1983
Oct 1975–Apr 1976
7-Month
15.20"
(386.08mm)
16.22"
(411.99mm)
-1.02"
(-25.91mm)
30th Driest
Driest since:
1981
98th Wettest
Wettest since:
1983
Ties: 1898
Sep 1975–Apr 1976
8-Month
17.86"
(453.64mm)
18.71"
(475.23mm)
-0.85"
(-21.59mm)
41st Driest
Driest since:
1918
87th Wettest
Wettest since:
2019
Ties: 1989
Aug 1975–Apr 1976
9-Month
20.69"
(525.53mm)
21.33"
(541.78mm)
-0.64"
(-16.25mm)
42nd Driest
Driest since:
1918
86th Wettest
Wettest since:
2019
Jul 1975–Apr 1976
10-Month
23.66"
(600.96mm)
24.12"
(612.65mm)
-0.46"
(-11.69mm)
47th Driest
Driest since:
1931
81st Wettest
Wettest since:
2019
Jun 1975–Apr 1976
11-Month
26.97"
(685.04mm)
27.04"
(686.82mm)
-0.07"
(-1.78mm)
52nd Driest
Driest since:
1931
76th Wettest
Wettest since:
2019
May 1975–Apr 1976
12-Month
30.25"
(768.35mm)
29.95"
(760.73mm)
0.30"
(7.62mm)
63rd Driest
Driest since:
1918
65th Wettest
Wettest since:
2019
Nov 1974–Apr 1976
18-Month
46.14"
(1,171.96mm)
44.02"
(1,118.11mm)
2.12"
(53.85mm)
97th Driest
Driest since:
1931
30th Wettest
Wettest since:
2020
May 1974–Apr 1976
24-Month
62.15"
(1,578.61mm)
59.92"
(1,521.97mm)
2.23"
(56.64mm)
92nd Driest
Driest since:
1955
35th Wettest
Wettest since:
2020
May 1973–Apr 1976
36-Month
95.35"
(2,421.89mm)
89.88"
(2,282.95mm)
5.47"
(138.94mm)
108th Driest
Driest since:
1955
18th Wettest
Wettest since:
2020
May 1972–Apr 1976
48-Month
130.30"
(3,309.62mm)
119.77"
(3,042.16mm)
10.53"
(267.46mm)
117th Driest
Driest since:
1956
8th Wettest
Wettest since:
2019
May 1971–Apr 1976
60-Month
160.81"
(4,084.57mm)
149.63"
(3,800.60mm)
11.18"
(283.97mm)
115th Driest
Driest since:
1957
9th Wettest
Wettest to Date
2020

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