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 1973

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
March 1973
1-Month
4.00"
(101.60mm)
2.51"
(63.75mm)
1.49"
(37.85mm)
128th Driest
Driest since:
1910
1st Wettest
Wettest to Date
1973
Feb–Mar 1973
2-Month
5.96"
(151.38mm)
4.64"
(117.86mm)
1.32"
(33.52mm)
123rd Driest
Driest since:
1910
6th Wettest
Wettest since:
1998
Jan–Mar 1973
3-Month
8.44"
(214.38mm)
6.96"
(176.78mm)
1.48"
(37.60mm)
123rd Driest
Driest since:
1910
6th Wettest
Wettest since:
1998
Dec 1972–Mar 1973
4-Month
11.46"
(291.08mm)
9.30"
(236.22mm)
2.16"
(54.86mm)
125th Driest
Driest since:
1981
3rd Wettest
Wettest to Date
1983, 1998
Nov 1972–Mar 1973
5-Month
14.51"
(368.55mm)
11.53"
(292.86mm)
2.98"
(75.69mm)
126th Driest
Driest since:
1977
2nd Wettest
Wettest to Date
1983
Ties: 1998
Oct 1972–Mar 1973
6-Month
17.26"
(438.40mm)
13.70"
(347.98mm)
3.56"
(90.42mm)
125th Driest
Driest since:
1918
3rd Wettest
Wettest to Date
1983
Sep 1972–Mar 1973
7-Month
20.00"
(508.00mm)
16.19"
(411.23mm)
3.81"
(96.77mm)
126th Driest
Driest since:
1918
2nd Wettest
Wettest to Date
2019
Aug 1972–Mar 1973
8-Month
22.64"
(575.06mm)
18.82"
(478.03mm)
3.82"
(97.03mm)
126th Driest
Driest since:
1918
2nd Wettest
Wettest to Date
2019
Jul 1972–Mar 1973
9-Month
25.57"
(649.48mm)
21.60"
(548.64mm)
3.97"
(100.84mm)
125th Driest
Driest since:
1918
3rd Wettest
Wettest to Date
2019
Jun 1972–Mar 1973
10-Month
28.67"
(728.22mm)
24.53"
(623.06mm)
4.14"
(105.16mm)
125th Driest
Driest since:
1918
3rd Wettest
Wettest to Date
2019
May 1972–Mar 1973
11-Month
31.62"
(803.15mm)
27.43"
(696.72mm)
4.19"
(106.43mm)
123rd Driest
Driest since:
1918
5th Wettest
Wettest to Date
2019
Apr 1972–Mar 1973
12-Month
33.88"
(860.55mm)
29.96"
(760.98mm)
3.92"
(99.57mm)
118th Driest
Driest since:
1918
10th Wettest
Wettest since:
2016
Oct 1971–Mar 1973
18-Month
48.10"
(1,221.74mm)
43.68"
(1,109.47mm)
4.42"
(112.27mm)
116th Driest
Driest since:
1918
11th Wettest
Wettest to Date
2020
Apr 1971–Mar 1973
24-Month
63.99"
(1,625.35mm)
59.92"
(1,521.97mm)
4.07"
(103.38mm)
108th Driest
Driest since:
1955
19th Wettest
Wettest since:
2020
Apr 1970–Mar 1973
36-Month
93.77"
(2,381.76mm)
89.87"
(2,282.70mm)
3.90"
(99.06mm)
98th Driest
Driest since:
1955
28th Wettest
Wettest since:
2020
Apr 1969–Mar 1973
48-Month
123.67"
(3,141.22mm)
119.76"
(3,041.90mm)
3.91"
(99.32mm)
94th Driest
Driest since:
1957
31st Wettest
Wettest since:
2019
Apr 1968–Mar 1973
60-Month
155.38"
(3,946.65mm)
149.62"
(3,800.35mm)
5.76"
(146.30mm)
99th Driest
Driest since:
1957
25th Wettest
Wettest since:
2020

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