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 1950

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
March 1950
1-Month
2.49"
(63.25mm)
2.51"
(63.75mm)
-0.02"
(-0.50mm)
70th Driest
Driest since:
1910
59th Wettest
Wettest since:
1973
Feb–Mar 1950
2-Month
4.72"
(119.89mm)
4.64"
(117.86mm)
0.08"
(2.03mm)
75th Driest
Driest since:
1910
54th Wettest
Wettest since:
1998
Ties: 1936, 2012
Jan–Mar 1950
3-Month
8.08"
(205.23mm)
6.96"
(176.78mm)
1.12"
(28.45mm)
119th Driest
Driest since:
1910
10th Wettest
Wettest since:
1998
Ties: 2017, 2019
Dec 1949–Mar 1950
4-Month
10.30"
(261.62mm)
9.30"
(236.22mm)
1.00"
(25.40mm)
109th Driest
Driest since:
1981
19th Wettest
Wettest since:
1983, 1998
Ties: 1897
Nov 1949–Mar 1950
5-Month
11.49"
(291.85mm)
11.53"
(292.86mm)
-0.04"
(-1.01mm)
71st Driest
Driest since:
1977
57th Wettest
Wettest since:
1983
Ties: 1972
Oct 1949–Mar 1950
6-Month
14.29"
(362.97mm)
13.70"
(347.98mm)
0.59"
(14.99mm)
86th Driest
Driest since:
1918
42nd Wettest
Wettest since:
1983
Ties: 2008
Sep 1949–Mar 1950
7-Month
16.51"
(419.35mm)
16.19"
(411.23mm)
0.32"
(8.12mm)
74th Driest
Driest since:
1918
54th Wettest
Wettest since:
2019
Ties: 1943
Aug 1949–Mar 1950
8-Month
19.00"
(482.60mm)
18.82"
(478.03mm)
0.18"
(4.57mm)
66th Driest
Driest since:
1918
62nd Wettest
Wettest since:
2019
Jul 1949–Mar 1950
9-Month
22.08"
(560.83mm)
21.60"
(548.64mm)
0.48"
(12.19mm)
77th Driest
Driest since:
1918
51st Wettest
Wettest since:
2019
Jun 1949–Mar 1950
10-Month
25.28"
(642.11mm)
24.53"
(623.06mm)
0.75"
(19.05mm)
84th Driest
Driest since:
1918
44th Wettest
Wettest since:
2019
Ties: 1994, 2011
May 1949–Mar 1950
11-Month
28.26"
(717.80mm)
27.43"
(696.72mm)
0.83"
(21.08mm)
83rd Driest
Driest since:
1918
45th Wettest
Wettest since:
2019
Ties: 1929
Apr 1949–Mar 1950
12-Month
30.35"
(770.89mm)
29.96"
(760.98mm)
0.39"
(9.91mm)
66th Driest
Driest since:
1918
62nd Wettest
Wettest since:
2016
Oct 1948–Mar 1950
18-Month
45.90"
(1,165.86mm)
43.68"
(1,109.47mm)
2.22"
(56.39mm)
95th Driest
Driest since:
1918
32nd Wettest
Wettest since:
2020
Apr 1948–Mar 1950
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: 1909
Apr 1947–Mar 1950
36-Month
92.69"
(2,354.33mm)
89.87"
(2,282.70mm)
2.82"
(71.63mm)
86th Driest
Driest since:
1955
40th Wettest
Wettest since:
2020
Apr 1946–Mar 1950
48-Month
122.24"
(3,104.90mm)
119.76"
(3,041.90mm)
2.48"
(63.00mm)
80th Driest
Driest since:
1957
45th Wettest
Wettest since:
2019
Apr 1945–Mar 1950
60-Month
154.87"
(3,933.70mm)
149.62"
(3,800.35mm)
5.25"
(133.35mm)
95th Driest
Driest since:
1957
29th Wettest
Wettest since:
2020

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