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 1975

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
March 1975
1-Month
3.40"
(86.36mm)
2.51"
(63.75mm)
0.89"
(22.61mm)
124th Driest
Driest since:
1910
5th Wettest
Wettest since:
1973
Feb–Mar 1975
2-Month
6.01"
(152.65mm)
4.64"
(117.86mm)
1.37"
(34.79mm)
124th Driest
Driest since:
1910
5th Wettest
Wettest since:
1998
Jan–Mar 1975
3-Month
8.62"
(218.95mm)
6.96"
(176.78mm)
1.66"
(42.17mm)
125th Driest
Driest since:
1910
4th Wettest
Wettest since:
1998
Dec 1974–Mar 1975
4-Month
11.04"
(280.42mm)
9.30"
(236.22mm)
1.74"
(44.20mm)
120th Driest
Driest since:
1981
8th Wettest
Wettest since:
1983, 1998
Nov 1974–Mar 1975
5-Month
13.22"
(335.79mm)
11.53"
(292.86mm)
1.69"
(42.93mm)
113th Driest
Driest since:
1977
15th Wettest
Wettest since:
1983
Oct 1974–Mar 1975
6-Month
15.23"
(386.84mm)
13.70"
(347.98mm)
1.53"
(38.86mm)
109th Driest
Driest since:
1918
19th Wettest
Wettest since:
1983
Sep 1974–Mar 1975
7-Month
17.95"
(455.93mm)
16.19"
(411.23mm)
1.76"
(44.70mm)
109th Driest
Driest since:
1918
19th Wettest
Wettest since:
2019
Aug 1974–Mar 1975
8-Month
21.38"
(543.05mm)
18.82"
(478.03mm)
2.56"
(65.02mm)
117th Driest
Driest since:
1918
11th Wettest
Wettest since:
2019
Jul 1974–Mar 1975
9-Month
23.52"
(597.41mm)
21.60"
(548.64mm)
1.92"
(48.77mm)
109th Driest
Driest since:
1918
19th Wettest
Wettest since:
2019
Ties: 1897
Jun 1974–Mar 1975
10-Month
26.16"
(664.46mm)
24.53"
(623.06mm)
1.63"
(41.40mm)
103rd Driest
Driest since:
1918
25th Wettest
Wettest since:
2019
Ties: 1897
May 1974–Mar 1975
11-Month
29.23"
(742.44mm)
27.43"
(696.72mm)
1.80"
(45.72mm)
103rd Driest
Driest since:
1918
25th Wettest
Wettest since:
2019
Apr 1974–Mar 1975
12-Month
31.78"
(807.21mm)
29.96"
(760.98mm)
1.82"
(46.23mm)
102nd Driest
Driest since:
1918
26th Wettest
Wettest since:
2016
Oct 1973–Mar 1975
18-Month
47.87"
(1,215.90mm)
43.68"
(1,109.47mm)
4.19"
(106.43mm)
115th Driest
Driest since:
1918
12th Wettest
Wettest since:
2020
Apr 1973–Mar 1975
24-Month
65.76"
(1,670.30mm)
59.92"
(1,521.97mm)
5.84"
(148.33mm)
117th Driest
Driest since:
1955
10th Wettest
Wettest since:
2020
Apr 1972–Mar 1975
36-Month
99.64"
(2,530.86mm)
89.87"
(2,282.70mm)
9.77"
(248.16mm)
121st Driest
Driest since:
1955
5th Wettest
Wettest to Date
2020
Apr 1971–Mar 1975
48-Month
129.75"
(3,295.65mm)
119.76"
(3,041.90mm)
9.99"
(253.75mm)
115th Driest
Driest since:
1957
10th Wettest
Wettest to Date
2019
Apr 1970–Mar 1975
60-Month
159.53"
(4,052.06mm)
149.62"
(3,800.35mm)
9.91"
(251.71mm)
111th Driest
Driest since:
1957
13th Wettest
Wettest to Date
2020

Citing This Page