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 1946

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
March 1946
1-Month
2.67"
(67.82mm)
2.51"
(63.75mm)
0.16"
(4.07mm)
87th Driest
Driest since:
1910
42nd Wettest
Wettest since:
1973
Ties: 1987
Feb–Mar 1946
2-Month
4.73"
(120.14mm)
4.64"
(117.86mm)
0.09"
(2.28mm)
76th Driest
Driest since:
1910
53rd Wettest
Wettest since:
1998
Jan–Mar 1946
3-Month
7.27"
(184.66mm)
6.96"
(176.78mm)
0.31"
(7.88mm)
88th Driest
Driest since:
1910
41st Wettest
Wettest since:
1998
Dec 1945–Mar 1946
4-Month
9.97"
(253.24mm)
9.30"
(236.22mm)
0.67"
(17.02mm)
99th Driest
Driest since:
1981
29th Wettest
Wettest since:
1983, 1998
Nov 1945–Mar 1946
5-Month
12.21"
(310.13mm)
11.53"
(292.86mm)
0.68"
(17.27mm)
94th Driest
Driest since:
1977
34th Wettest
Wettest since:
1983
Oct 1945–Mar 1946
6-Month
14.21"
(360.93mm)
13.70"
(347.98mm)
0.51"
(12.95mm)
80th Driest
Driest since:
1918
48th Wettest
Wettest since:
1983
Sep 1945–Mar 1946
7-Month
17.65"
(448.31mm)
16.19"
(411.23mm)
1.46"
(37.08mm)
104th Driest
Driest since:
1918
24th Wettest
Wettest since:
2019
Aug 1945–Mar 1946
8-Month
20.25"
(514.35mm)
18.82"
(478.03mm)
1.43"
(36.32mm)
99th Driest
Driest since:
1918
29th Wettest
Wettest since:
2019
Jul 1945–Mar 1946
9-Month
23.30"
(591.82mm)
21.60"
(548.64mm)
1.70"
(43.18mm)
104th Driest
Driest since:
1918
24th Wettest
Wettest since:
2019
Jun 1945–Mar 1946
10-Month
26.71"
(678.43mm)
24.53"
(623.06mm)
2.18"
(55.37mm)
109th Driest
Driest since:
1918
19th Wettest
Wettest since:
2019
May 1945–Mar 1946
11-Month
29.58"
(751.33mm)
27.43"
(696.72mm)
2.15"
(54.61mm)
107th Driest
Driest since:
1918
21st Wettest
Wettest since:
2019
Apr 1945–Mar 1946
12-Month
32.63"
(828.80mm)
29.96"
(760.98mm)
2.67"
(67.82mm)
113th Driest
Driest since:
1918
15th Wettest
Wettest since:
2016
Oct 1944–Mar 1946
18-Month
46.38"
(1,178.05mm)
43.68"
(1,109.47mm)
2.70"
(68.58mm)
100th Driest
Driest since:
1918
27th Wettest
Wettest since:
2020
Apr 1944–Mar 1946
24-Month
63.35"
(1,609.09mm)
59.92"
(1,521.97mm)
3.43"
(87.12mm)
101st Driest
Driest since:
1955
26th Wettest
Wettest since:
2020
Apr 1943–Mar 1946
36-Month
91.37"
(2,320.80mm)
89.87"
(2,282.70mm)
1.50"
(38.10mm)
76th Driest
Driest since:
1955
50th Wettest
Wettest since:
2020
Apr 1942–Mar 1946
48-Month
123.02"
(3,124.71mm)
119.76"
(3,041.90mm)
3.26"
(82.81mm)
88th Driest
Driest since:
1957
37th Wettest
Wettest since:
2019
Apr 1941–Mar 1946
60-Month
155.93"
(3,960.62mm)
149.62"
(3,800.35mm)
6.31"
(160.27mm)
101st Driest
Driest since:
1957
23rd Wettest
Wettest to Date
2020

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