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 1901

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
March 1901
1-Month		2.29"
(58.17mm)		2.51"
(63.75mm)		-0.22"
(-5.58mm)		44th Driest
Driest since:
1910
86th Wettest
Wettest since:
1973
Feb–Mar 1901
2-Month		4.42"
(112.27mm)		4.64"
(117.86mm)		-0.22"
(-5.59mm)		53rd Driest
Driest since:
1910
77th Wettest
Wettest since:
1998
Jan–Mar 1901
3-Month		6.41"
(162.81mm)		6.96"
(176.78mm)		-0.55"
(-13.97mm)		38th Driest
Driest to Date
1910
92nd Wettest
Wettest since:
1998
Dec 1900–Mar 1901
4-Month		8.07"
(204.98mm)		9.30"
(236.22mm)		-1.23"
(-31.24mm)		13th Driest
Driest to Date
1981
116th Wettest
Wettest since:
1983, 1998
Nov 1900–Mar 1901
5-Month		10.44"
(265.18mm)		11.53"
(292.86mm)		-1.09"
(-27.68mm)		21st Driest
Driest to Date
1977
108th Wettest
Wettest since:
1983
Oct 1900–Mar 1901
6-Month		13.19"
(335.03mm)		13.70"
(347.98mm)		-0.51"
(-12.95mm)		46th Driest
Driest since:
1918
83rd Wettest
Wettest since:
1983
Ties: 2004
Sep 1900–Mar 1901
7-Month		16.12"
(409.45mm)		16.19"
(411.23mm)		-0.07"
(-1.78mm)		62nd Driest
Driest since:
1918
67th Wettest
Wettest since:
2019
Ties: 1924
Aug 1900–Mar 1901
8-Month		18.54"
(470.92mm)		18.82"
(478.03mm)		-0.28"
(-7.11mm)		52nd Driest
Driest since:
1918
77th Wettest
Wettest since:
2019
Jul 1900–Mar 1901
9-Month		21.61"
(548.89mm)		21.60"
(548.64mm)		0.01"
(0.25mm)		63rd Driest
Driest since:
1918
66th Wettest
Wettest since:
2019
Jun 1900–Mar 1901
10-Month		24.64"
(625.86mm)		24.53"
(623.06mm)		0.11"
(2.80mm)		59th Driest
Driest since:
1918
70th Wettest
Wettest since:
2019
Ties: 1970
May 1900–Mar 1901
11-Month		27.09"
(688.09mm)		27.43"
(696.72mm)		-0.34"
(-8.63mm)		49th Driest
Driest since:
1918
80th Wettest
Wettest since:
2019
Apr 1900–Mar 1901
12-Month		30.50"
(774.70mm)		29.96"
(760.98mm)		0.54"
(13.72mm)		70th Driest
Driest since:
1918
59th Wettest
Wettest since:
2016
Oct 1899–Mar 1901
18-Month		43.80"
(1,112.52mm)		43.68"
(1,109.47mm)		0.12"
(3.05mm)		60th Driest
Driest since:
1918
68th Wettest
Wettest since:
2020
Apr 1899–Mar 1901
24-Month		58.04"
(1,474.22mm)		59.92"
(1,521.97mm)		-1.88"
(-47.75mm)		38th Driest
Driest to Date
1955
90th Wettest
Wettest since:
2020
Apr 1898–Mar 1901
36-Month		88.82"
(2,256.03mm)		89.87"
(2,282.70mm)		-1.05"
(-26.67mm)		51st Driest
Driest since:
1955
76th Wettest
Wettest since:
2020
Apr 1897–Mar 1901
48-Month		116.22"
(2,951.99mm)		119.76"
(3,041.90mm)		-3.54"
(-89.91mm)		32nd Driest
Driest to Date
1957
94th Wettest
Wettest since:
2019
Apr 1896–Mar 1901
60-Month		147.93"
(3,757.42mm)		149.62"
(3,800.35mm)		-1.69"
(-42.93mm)		50th Driest
Driest since:
1957
75th Wettest
Wettest to Date
2020

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