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, March 1956

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
March 1956
1-Month
1.82"
(46.23mm)
2.51"
(63.75mm)
-0.69"
(-17.52mm)
7th Driest
Driest since:
1910
122nd Wettest
Wettest since:
1973
Feb–Mar 1956
2-Month
4.44"
(112.78mm)
4.64"
(117.86mm)
-0.20"
(-5.08mm)
54th Driest
Driest since:
1910
75th Wettest
Wettest since:
1998
Ties: 1935
Jan–Mar 1956
3-Month
6.71"
(170.43mm)
6.96"
(176.78mm)
-0.25"
(-6.35mm)
54th Driest
Driest since:
1910
75th Wettest
Wettest since:
1998
Dec 1955–Mar 1956
4-Month
8.95"
(227.33mm)
9.30"
(236.22mm)
-0.35"
(-8.89mm)
52nd Driest
Driest since:
1981
76th Wettest
Wettest since:
1983, 1998
Nov 1955–Mar 1956
5-Month
10.87"
(276.10mm)
11.53"
(292.86mm)
-0.66"
(-16.76mm)
39th Driest
Driest since:
1977
89th Wettest
Wettest since:
1983
Oct 1955–Mar 1956
6-Month
12.91"
(327.91mm)
13.70"
(347.98mm)
-0.79"
(-20.07mm)
36th Driest
Driest since:
1918
92nd Wettest
Wettest since:
1983
Ties: 1976
Sep 1955–Mar 1956
7-Month
15.02"
(381.51mm)
16.19"
(411.23mm)
-1.17"
(-29.72mm)
31st Driest
Driest since:
1918
97th Wettest
Wettest since:
2019
Aug 1955–Mar 1956
8-Month
17.76"
(451.10mm)
18.82"
(478.03mm)
-1.06"
(-26.93mm)
34th Driest
Driest since:
1918
94th Wettest
Wettest since:
2019
Jul 1955–Mar 1956
9-Month
20.68"
(525.27mm)
21.60"
(548.64mm)
-0.92"
(-23.37mm)
36th Driest
Driest since:
1918
92nd Wettest
Wettest since:
2019
Jun 1955–Mar 1956
10-Month
23.15"
(588.01mm)
24.53"
(623.06mm)
-1.38"
(-35.05mm)
27th Driest
Driest since:
1918
101st Wettest
Wettest since:
2019
May 1955–Mar 1956
11-Month
26.07"
(662.18mm)
27.43"
(696.72mm)
-1.36"
(-34.54mm)
31st Driest
Driest since:
1918
97th Wettest
Wettest since:
2019
Apr 1955–Mar 1956
12-Month
28.56"
(725.42mm)
29.96"
(760.98mm)
-1.40"
(-35.56mm)
34th Driest
Driest since:
1918
94th Wettest
Wettest since:
2016
Oct 1954–Mar 1956
18-Month
40.34"
(1,024.64mm)
43.68"
(1,109.47mm)
-3.34"
(-84.83mm)
18th Driest
Driest since:
1918
109th Wettest
Wettest since:
2020
Apr 1954–Mar 1956
24-Month
54.41"
(1,382.01mm)
59.92"
(1,521.97mm)
-5.51"
(-139.96mm)
9th Driest
Driest since:
1955
118th Wettest
Wettest since:
2020
Apr 1953–Mar 1956
36-Month
81.60"
(2,072.64mm)
89.87"
(2,282.70mm)
-8.27"
(-210.06mm)
3rd Driest
Driest since:
1955
123rd Wettest
Wettest since:
2020
Apr 1952–Mar 1956
48-Month
107.88"
(2,740.15mm)
119.76"
(3,041.90mm)
-11.88"
(-301.75mm)
2nd Driest
Driest to Date
1957
123rd Wettest
Wettest since:
2019
Apr 1951–Mar 1956
60-Month
139.29"
(3,537.97mm)
149.62"
(3,800.35mm)
-10.33"
(-262.38mm)
3rd Driest
Driest since:
1957
121st Wettest
Wettest since:
2020

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