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 1901

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
March 1901
1-Month
2.29"
(58.17mm)
2.51"
(63.75mm)
-0.22"
(-5.58mm)
44th Driest
Driest since:
1910
86th Wettest
Wettest since:
1973
Feb–Mar 1901
2-Month
4.42"
(112.27mm)
4.64"
(117.86mm)
-0.22"
(-5.59mm)
53rd Driest
Driest since:
1910
77th Wettest
Wettest since:
1998
Jan–Mar 1901
3-Month
6.41"
(162.81mm)
6.96"
(176.78mm)
-0.55"
(-13.97mm)
38th Driest
Driest to Date
1910
92nd Wettest
Wettest since:
1998
Dec 1900–Mar 1901
4-Month
8.07"
(204.98mm)
9.30"
(236.22mm)
-1.23"
(-31.24mm)
13th Driest
Driest to Date
1981
116th Wettest
Wettest since:
1983, 1998
Nov 1900–Mar 1901
5-Month
10.44"
(265.18mm)
11.53"
(292.86mm)
-1.09"
(-27.68mm)
21st Driest
Driest to Date
1977
108th Wettest
Wettest since:
1983
Oct 1900–Mar 1901
6-Month
13.19"
(335.03mm)
13.70"
(347.98mm)
-0.51"
(-12.95mm)
46th Driest
Driest since:
1918
83rd Wettest
Wettest since:
1983
Ties: 2004
Sep 1900–Mar 1901
7-Month
16.12"
(409.45mm)
16.19"
(411.23mm)
-0.07"
(-1.78mm)
62nd Driest
Driest since:
1918
67th Wettest
Wettest since:
2019
Ties: 1924
Aug 1900–Mar 1901
8-Month
18.54"
(470.92mm)
18.82"
(478.03mm)
-0.28"
(-7.11mm)
52nd Driest
Driest since:
1918
77th Wettest
Wettest since:
2019
Jul 1900–Mar 1901
9-Month
21.61"
(548.89mm)
21.60"
(548.64mm)
0.01"
(0.25mm)
63rd Driest
Driest since:
1918
66th Wettest
Wettest since:
2019
Jun 1900–Mar 1901
10-Month
24.64"
(625.86mm)
24.53"
(623.06mm)
0.11"
(2.80mm)
59th Driest
Driest since:
1918
70th Wettest
Wettest since:
2019
Ties: 1970
May 1900–Mar 1901
11-Month
27.09"
(688.09mm)
27.43"
(696.72mm)
-0.34"
(-8.63mm)
49th Driest
Driest since:
1918
80th Wettest
Wettest since:
2019
Apr 1900–Mar 1901
12-Month
30.50"
(774.70mm)
29.96"
(760.98mm)
0.54"
(13.72mm)
70th Driest
Driest since:
1918
59th Wettest
Wettest since:
2016
Oct 1899–Mar 1901
18-Month
43.80"
(1,112.52mm)
43.68"
(1,109.47mm)
0.12"
(3.05mm)
60th Driest
Driest since:
1918
68th Wettest
Wettest since:
2020
Apr 1899–Mar 1901
24-Month
58.04"
(1,474.22mm)
59.92"
(1,521.97mm)
-1.88"
(-47.75mm)
38th Driest
Driest to Date
1955
90th Wettest
Wettest since:
2020
Apr 1898–Mar 1901
36-Month
88.82"
(2,256.03mm)
89.87"
(2,282.70mm)
-1.05"
(-26.67mm)
51st Driest
Driest since:
1955
76th Wettest
Wettest since:
2020
Apr 1897–Mar 1901
48-Month
116.22"
(2,951.99mm)
119.76"
(3,041.90mm)
-3.54"
(-89.91mm)
32nd Driest
Driest to Date
1957
94th Wettest
Wettest since:
2019
Apr 1896–Mar 1901
60-Month
147.93"
(3,757.42mm)
149.62"
(3,800.35mm)
-1.69"
(-42.93mm)
50th Driest
Driest since:
1957
75th Wettest
Wettest to Date
2020

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