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 1998

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
March 1998
1-Month
3.23"
(82.04mm)
2.51"
(63.75mm)
0.72"
(18.29mm)
118th Driest
Driest since:
1910
11th Wettest
Wettest since:
1973
Feb–Mar 1998
2-Month
6.55"
(166.37mm)
4.64"
(117.86mm)
1.91"
(48.51mm)
128th Driest
Driest since:
1910
1st Wettest
Wettest to Date
1998
Jan–Mar 1998
3-Month
9.91"
(251.71mm)
6.96"
(176.78mm)
2.95"
(74.93mm)
128th Driest
Driest since:
1910
1st Wettest
Wettest to Date
1998
Dec 1997–Mar 1998
4-Month
12.22"
(310.39mm)
9.30"
(236.22mm)
2.92"
(74.17mm)
127th Driest
Driest since:
1981
1st Wettest
Wettest since:
1983, 1998
Ties: 1983
Nov 1997–Mar 1998
5-Month
14.51"
(368.55mm)
11.53"
(292.86mm)
2.98"
(75.69mm)
126th Driest
Driest since:
1977
2nd Wettest
Wettest since:
1983
Ties: 1973
Oct 1997–Mar 1998
6-Month
17.03"
(432.56mm)
13.70"
(347.98mm)
3.33"
(84.58mm)
123rd Driest
Driest since:
1918
5th Wettest
Wettest since:
1983
Sep 1997–Mar 1998
7-Month
19.57"
(497.08mm)
16.19"
(411.23mm)
3.38"
(85.85mm)
123rd Driest
Driest since:
1918
5th Wettest
Wettest since:
2019
Aug 1997–Mar 1998
8-Month
22.25"
(565.15mm)
18.82"
(478.03mm)
3.43"
(87.12mm)
123rd Driest
Driest since:
1918
5th Wettest
Wettest since:
2019
Jul 1997–Mar 1998
9-Month
24.96"
(633.98mm)
21.60"
(548.64mm)
3.36"
(85.34mm)
123rd Driest
Driest since:
1918
5th Wettest
Wettest since:
2019
Ties: 2016
Jun 1997–Mar 1998
10-Month
28.36"
(720.34mm)
24.53"
(623.06mm)
3.83"
(97.28mm)
122nd Driest
Driest since:
1918
6th Wettest
Wettest since:
2019
May 1997–Mar 1998
11-Month
31.14"
(790.96mm)
27.43"
(696.72mm)
3.71"
(94.24mm)
120th Driest
Driest since:
1918
8th Wettest
Wettest since:
2019
Apr 1997–Mar 1998
12-Month
34.13"
(866.90mm)
29.96"
(760.98mm)
4.17"
(105.92mm)
121st Driest
Driest since:
1918
7th Wettest
Wettest since:
2016
Oct 1996–Mar 1998
18-Month
50.55"
(1,283.97mm)
43.68"
(1,109.47mm)
6.87"
(174.50mm)
124th Driest
Driest since:
1918
3rd Wettest
Wettest since:
2020
Apr 1996–Mar 1998
24-Month
68.52"
(1,740.41mm)
59.92"
(1,521.97mm)
8.60"
(218.44mm)
125th Driest
Driest since:
1955
2nd Wettest
Wettest to Date
2020
Apr 1995–Mar 1998
36-Month
100.39"
(2,549.91mm)
89.87"
(2,282.70mm)
10.52"
(267.21mm)
124th Driest
Driest since:
1955
2nd Wettest
Wettest to Date
2020
Apr 1994–Mar 1998
48-Month
132.03"
(3,353.56mm)
119.76"
(3,041.90mm)
12.27"
(311.66mm)
122nd Driest
Driest since:
1957
3rd Wettest
Wettest to Date
2019
Apr 1993–Mar 1998
60-Month
163.17"
(4,144.52mm)
149.62"
(3,800.35mm)
13.55"
(344.17mm)
119th Driest
Driest since:
1957
5th Wettest
Wettest to Date
2020

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