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 2019

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 2019
1-Month
2.24"
(56.90mm)
2.51"
(63.75mm)
-0.27"
(-6.85mm)
37th Driest
Driest since:
1910
92nd Wettest
Wettest since:
1973
Ties: 1996
Feb–Mar 2019
2-Month
5.52"
(140.21mm)
4.64"
(117.86mm)
0.88"
(22.35mm)
115th Driest
Driest since:
1910
14th Wettest
Wettest since:
1998
Jan–Mar 2019
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: 1950, 2017
Dec 2018–Mar 2019
4-Month
11.33"
(287.78mm)
9.30"
(236.22mm)
2.03"
(51.56mm)
124th Driest
Driest since:
1981
4th Wettest
Wettest since:
1983, 1998
Nov 2018–Mar 2019
5-Month
14.04"
(356.62mm)
11.53"
(292.86mm)
2.51"
(63.76mm)
121st Driest
Driest since:
1977
7th Wettest
Wettest since:
1983
Oct 2018–Mar 2019
6-Month
17.47"
(443.74mm)
13.70"
(347.98mm)
3.77"
(95.76mm)
126th Driest
Driest since:
1918
2nd Wettest
Wettest since:
1983
Sep 2018–Mar 2019
7-Month
21.04"
(534.42mm)
16.19"
(411.23mm)
4.85"
(123.19mm)
127th Driest
Driest since:
1918
1st Wettest
Wettest to Date
2019
Aug 2018–Mar 2019
8-Month
24.02"
(610.11mm)
18.82"
(478.03mm)
5.20"
(132.08mm)
127th Driest
Driest since:
1918
1st Wettest
Wettest to Date
2019
Jul 2018–Mar 2019
9-Month
26.88"
(682.75mm)
21.60"
(548.64mm)
5.28"
(134.11mm)
127th Driest
Driest since:
1918
1st Wettest
Wettest to Date
2019
Jun 2018–Mar 2019
10-Month
30.03"
(762.76mm)
24.53"
(623.06mm)
5.50"
(139.70mm)
127th Driest
Driest since:
1918
1st Wettest
Wettest to Date
2019
May 2018–Mar 2019
11-Month
33.05"
(839.47mm)
27.43"
(696.72mm)
5.62"
(142.75mm)
127th Driest
Driest since:
1918
1st Wettest
Wettest to Date
2019
Apr 2018–Mar 2019
12-Month
35.51"
(901.95mm)
29.96"
(760.98mm)
5.55"
(140.97mm)
126th Driest
Driest since:
1918
2nd Wettest
Wettest since:
2016
Oct 2017–Mar 2019
18-Month
48.54"
(1,232.92mm)
43.68"
(1,109.47mm)
4.86"
(123.45mm)
118th Driest
Driest since:
1918
9th Wettest
Wettest since:
2020
Apr 2017–Mar 2019
24-Month
66.96"
(1,700.78mm)
59.92"
(1,521.97mm)
7.04"
(178.81mm)
121st Driest
Driest since:
1955
6th Wettest
Wettest since:
2020
Apr 2016–Mar 2019
36-Month
99.57"
(2,529.08mm)
89.87"
(2,282.70mm)
9.70"
(246.38mm)
120th Driest
Driest since:
1955
6th Wettest
Wettest since:
2020
Apr 2015–Mar 2019
48-Month
135.35"
(3,437.89mm)
119.76"
(3,041.90mm)
15.59"
(395.99mm)
124th Driest
Driest since:
1957
1st Wettest
Wettest to Date
2019
Apr 2014–Mar 2019
60-Month
165.91"
(4,214.11mm)
149.62"
(3,800.35mm)
16.29"
(413.76mm)
122nd Driest
Driest since:
1957
2nd Wettest
Wettest to Date
2020

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