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 1971

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
March 1971
1-Month
2.08"
(52.83mm)
2.51"
(63.75mm)
-0.43"
(-10.92mm)
19th Driest
Driest since:
1910
110th Wettest
Wettest since:
1973
Feb–Mar 1971
2-Month
4.45"
(113.03mm)
4.64"
(117.86mm)
-0.19"
(-4.83mm)
56th Driest
Driest since:
1910
73rd Wettest
Wettest since:
1998
Jan–Mar 1971
3-Month
6.48"
(164.59mm)
6.96"
(176.78mm)
-0.48"
(-12.19mm)
42nd Driest
Driest since:
1910
87th Wettest
Wettest since:
1998
Ties: 1917
Dec 1970–Mar 1971
4-Month
8.70"
(220.98mm)
9.30"
(236.22mm)
-0.60"
(-15.24mm)
36th Driest
Driest since:
1981
92nd Wettest
Wettest since:
1983, 1998
Nov 1970–Mar 1971
5-Month
10.90"
(276.86mm)
11.53"
(292.86mm)
-0.63"
(-16.00mm)
41st Driest
Driest since:
1977
87th Wettest
Wettest since:
1983
Oct 1970–Mar 1971
6-Month
13.78"
(350.01mm)
13.70"
(347.98mm)
0.08"
(2.03mm)
71st Driest
Driest since:
1918
57th Wettest
Wettest since:
1983
Ties: 1908
Sep 1970–Mar 1971
7-Month
16.84"
(427.74mm)
16.19"
(411.23mm)
0.65"
(16.51mm)
81st Driest
Driest since:
1918
47th Wettest
Wettest since:
2019
Aug 1970–Mar 1971
8-Month
19.21"
(487.93mm)
18.82"
(478.03mm)
0.39"
(9.90mm)
76th Driest
Driest since:
1918
52nd Wettest
Wettest since:
2019
Ties: 1922
Jul 1970–Mar 1971
9-Month
21.62"
(549.15mm)
21.60"
(548.64mm)
0.02"
(0.51mm)
64th Driest
Driest since:
1918
64th Wettest
Wettest since:
2019
Jun 1970–Mar 1971
10-Month
24.39"
(619.51mm)
24.53"
(623.06mm)
-0.14"
(-3.55mm)
52nd Driest
Driest since:
1918
76th Wettest
Wettest since:
2019
May 1970–Mar 1971
11-Month
27.00"
(685.80mm)
27.43"
(696.72mm)
-0.43"
(-10.92mm)
47th Driest
Driest since:
1918
81st Wettest
Wettest since:
2019
Apr 1970–Mar 1971
12-Month
29.78"
(756.41mm)
29.96"
(760.98mm)
-0.18"
(-4.57mm)
52nd Driest
Driest since:
1918
76th Wettest
Wettest since:
2016
Oct 1969–Mar 1971
18-Month
43.41"
(1,102.61mm)
43.68"
(1,109.47mm)
-0.27"
(-6.86mm)
52nd Driest
Driest since:
1918
75th Wettest
Wettest since:
2020
Apr 1969–Mar 1971
24-Month
59.68"
(1,515.87mm)
59.92"
(1,521.97mm)
-0.24"
(-6.10mm)
57th Driest
Driest since:
1955
70th Wettest
Wettest since:
2020
Apr 1968–Mar 1971
36-Month
91.39"
(2,321.31mm)
89.87"
(2,282.70mm)
1.52"
(38.61mm)
77th Driest
Driest since:
1955
49th Wettest
Wettest since:
2020
Apr 1967–Mar 1971
48-Month
121.31"
(3,081.27mm)
119.76"
(3,041.90mm)
1.55"
(39.37mm)
71st Driest
Driest since:
1957
54th Wettest
Wettest since:
2019
Apr 1966–Mar 1971
60-Month
147.95"
(3,757.93mm)
149.62"
(3,800.35mm)
-1.67"
(-42.42mm)
51st Driest
Driest since:
1957
73rd Wettest
Wettest since:
2020

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