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 1909

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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 1909
1-Month
2.21"
(56.13mm)
2.51"
(63.75mm)
-0.30"
(-7.62mm)
34th Driest
Driest since:
1910
95th Wettest
Wettest since:
1973
Ties: 1981
Feb–Mar 1909
2-Month
5.09"
(129.29mm)
4.64"
(117.86mm)
0.45"
(11.43mm)
102nd Driest
Driest since:
1910
27th Wettest
Wettest since:
1998
Ties: 1958
Jan–Mar 1909
3-Month
7.83"
(198.88mm)
6.96"
(176.78mm)
0.87"
(22.10mm)
111th Driest
Driest since:
1910
18th Wettest
Wettest since:
1998
Dec 1908–Mar 1909
4-Month
9.56"
(242.82mm)
9.30"
(236.22mm)
0.26"
(6.60mm)
81st Driest
Driest since:
1981
47th Wettest
Wettest since:
1983, 1998
Nov 1908–Mar 1909
5-Month
11.23"
(285.24mm)
11.53"
(292.86mm)
-0.30"
(-7.62mm)
56th Driest
Driest since:
1977
72nd Wettest
Wettest since:
1983
Oct 1908–Mar 1909
6-Month
13.26"
(336.80mm)
13.70"
(347.98mm)
-0.44"
(-11.18mm)
49th Driest
Driest since:
1918
79th Wettest
Wettest since:
1983
Ties: 1989
Sep 1908–Mar 1909
7-Month
15.09"
(383.29mm)
16.19"
(411.23mm)
-1.10"
(-27.94mm)
33rd Driest
Driest since:
1918
95th Wettest
Wettest since:
2019
Aug 1908–Mar 1909
8-Month
17.97"
(456.44mm)
18.82"
(478.03mm)
-0.85"
(-21.59mm)
37th Driest
Driest since:
1918
91st Wettest
Wettest since:
2019
Jul 1908–Mar 1909
9-Month
20.98"
(532.89mm)
21.60"
(548.64mm)
-0.62"
(-15.75mm)
42nd Driest
Driest since:
1918
86th Wettest
Wettest since:
2019
Ties: 1966
Jun 1908–Mar 1909
10-Month
24.00"
(609.60mm)
24.53"
(623.06mm)
-0.53"
(-13.46mm)
42nd Driest
Driest since:
1918
86th Wettest
Wettest since:
2019
May 1908–Mar 1909
11-Month
28.13"
(714.50mm)
27.43"
(696.72mm)
0.70"
(17.78mm)
76th Driest
Driest since:
1918
52nd Wettest
Wettest since:
2019
Ties: 1948
Apr 1908–Mar 1909
12-Month
30.82"
(782.83mm)
29.96"
(760.98mm)
0.86"
(21.85mm)
78th Driest
Driest since:
1918
50th Wettest
Wettest since:
2016
Oct 1907–Mar 1909
18-Month
44.60"
(1,132.84mm)
43.68"
(1,109.47mm)
0.92"
(23.37mm)
77th Driest
Driest since:
1918
50th Wettest
Wettest since:
2020
Apr 1907–Mar 1909
24-Month
61.55"
(1,563.37mm)
59.92"
(1,521.97mm)
1.63"
(41.40mm)
82nd Driest
Driest since:
1955
45th Wettest
Wettest since:
2020
Ties: 1950
Apr 1906–Mar 1909
36-Month
93.90"
(2,385.06mm)
89.87"
(2,282.70mm)
4.03"
(102.36mm)
100th Driest
Driest since:
1955
26th Wettest
Wettest since:
2020
Ties: 2006
Apr 1905–Mar 1909
48-Month
126.54"
(3,214.12mm)
119.76"
(3,041.90mm)
6.78"
(172.22mm)
106th Driest
Driest since:
1957
19th Wettest
Wettest to Date
2019
Apr 1904–Mar 1909
60-Month
154.62"
(3,927.35mm)
149.62"
(3,800.35mm)
5.00"
(127.00mm)
93rd Driest
Driest since:
1957
31st Wettest
Wettest to Date
2020

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