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 1938

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1938
1-Month 		3.30"
(83.82mm)		 2.51"
(63.75mm)		 0.79"
(20.07mm)		 120th Driest
Driest since:
 1910
9th Wettest
Wettest since:
 1973
Feb–Mar 1938
2-Month 		5.71"
(145.03mm)		 4.64"
(117.86mm)		 1.07"
(27.17mm)		 119th Driest
Driest since:
 1910
10th Wettest
Wettest since:
 1998
Jan–Mar 1938
3-Month 		7.82"
(198.63mm)		 6.96"
(176.78mm)		 0.86"
(21.85mm)		 110th Driest
Driest since:
 1910
19th Wettest
Wettest since:
 1998
Dec 1937–Mar 1938
4-Month 		10.25"
(260.35mm)		 9.30"
(236.22mm)		 0.95"
(24.13mm)		 107th Driest
Driest since:
 1981
21st Wettest
Wettest since:
 1983, 1998
Nov 1937–Mar 1938
5-Month 		12.41"
(315.21mm)		 11.53"
(292.86mm)		 0.88"
(22.35mm)		 101st Driest
Driest since:
 1977
27th Wettest
Wettest since:
 1983
Ties: 1945
Oct 1937–Mar 1938
6-Month 		15.02"
(381.51mm)		 13.70"
(347.98mm)		 1.32"
(33.53mm)		 104th Driest
Driest since:
 1918
24th Wettest
Wettest since:
 1983
Sep 1937–Mar 1938
7-Month 		17.02"
(432.31mm)		 16.19"
(411.23mm)		 0.83"
(21.08mm)		 89th Driest
Driest since:
 1918
39th Wettest
Wettest since:
 2019
Ties: 1937, 2007
Aug 1937–Mar 1938
8-Month 		19.57"
(497.08mm)		 18.82"
(478.03mm)		 0.75"
(19.05mm)		 86th Driest
Driest since:
 1918
42nd Wettest
Wettest since:
 2019
Ties: 1991
Jul 1937–Mar 1938
9-Month 		22.19"
(563.63mm)		 21.60"
(548.64mm)		 0.59"
(14.99mm)		 82nd Driest
Driest since:
 1918
46th Wettest
Wettest since:
 2019
Ties: 1943
Jun 1937–Mar 1938
10-Month 		25.30"
(642.62mm)		 24.53"
(623.06mm)		 0.77"
(19.56mm)		 85th Driest
Driest since:
 1918
43rd Wettest
Wettest since:
 2019
May 1937–Mar 1938
11-Month 		27.63"
(701.80mm)		 27.43"
(696.72mm)		 0.20"
(5.08mm)		 65th Driest
Driest since:
 1918
63rd Wettest
Wettest since:
 2019
Ties: 1912
Apr 1937–Mar 1938
12-Month 		30.31"
(769.87mm)		 29.96"
(760.98mm)		 0.35"
(8.89mm)		 65th Driest
Driest since:
 1918
63rd Wettest
Wettest since:
 2016
Ties: 1922
Oct 1936–Mar 1938
18-Month 		44.34"
(1,126.24mm)		 43.68"
(1,109.47mm)		 0.66"
(16.77mm)		 67th Driest
Driest since:
 1918
60th Wettest
Wettest since:
 2020
Apr 1936–Mar 1938
24-Month 		58.01"
(1,473.45mm)		 59.92"
(1,521.97mm)		 -1.91"
(-48.52mm)		 37th Driest
Driest since:
 1955
90th Wettest
Wettest since:
 2020
Apr 1935–Mar 1938
36-Month 		88.25"
(2,241.55mm)		 89.87"
(2,282.70mm)		 -1.62"
(-41.15mm)		 42nd Driest
Driest since:
 1955
84th Wettest
Wettest since:
 2020
Apr 1934–Mar 1938
48-Month 		115.07"
(2,922.78mm)		 119.76"
(3,041.90mm)		 -4.69"
(-119.12mm)		 21st Driest
Driest since:
 1957
104th Wettest
Wettest since:
 2019
Apr 1933–Mar 1938
60-Month 		141.72"
(3,599.69mm)		 149.62"
(3,800.35mm)		 -7.90"
(-200.66mm)		 9th Driest
Driest since:
 1957
115th Wettest
Wettest since:
 2020

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