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 2022

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
March 2022
1-Month		2.28"
(57.91mm)		2.51"
(63.75mm)		-0.23"
(-5.84mm)		42nd Driest
Driest since:
1910
88th Wettest
Wettest since:
1973
Ties: 1900
Feb–Mar 2022
2-Month		4.04"
(102.62mm)		4.64"
(117.86mm)		-0.60"
(-15.24mm)		23rd Driest
Driest since:
1910
107th Wettest
Wettest since:
1998
Jan–Mar 2022
3-Month		5.68"
(144.27mm)		6.96"
(176.78mm)		-1.28"
(-32.51mm)		7th Driest
Driest since:
1910
123rd Wettest
Wettest since:
1998
Dec 2021–Mar 2022
4-Month		8.08"
(205.23mm)		9.30"
(236.22mm)		-1.22"
(-30.99mm)		14th Driest
Driest since:
1981
115th Wettest
Wettest since:
1983, 1998
Nov 2021–Mar 2022
5-Month		9.38"
(238.25mm)		11.53"
(292.86mm)		-2.15"
(-54.61mm)		5th Driest
Driest since:
1977
124th Wettest
Wettest since:
1983
Oct 2021–Mar 2022
6-Month		12.53"
(318.26mm)		13.70"
(347.98mm)		-1.17"
(-29.72mm)		27th Driest
Driest since:
1918
102nd Wettest
Wettest since:
1983
Sep 2021–Mar 2022
7-Month		14.92"
(378.97mm)		16.19"
(411.23mm)		-1.27"
(-32.26mm)		29th Driest
Driest since:
1918
100th Wettest
Wettest since:
2019
Aug 2021–Mar 2022
8-Month		18.06"
(458.72mm)		18.82"
(478.03mm)		-0.76"
(-19.31mm)		40th Driest
Driest since:
1918
89th Wettest
Wettest since:
2019
Jul 2021–Mar 2022
9-Month		21.47"
(545.34mm)		21.60"
(548.64mm)		-0.13"
(-3.30mm)		59th Driest
Driest since:
1918
70th Wettest
Wettest since:
2019
Jun 2021–Mar 2022
10-Month		24.44"
(620.78mm)		24.53"
(623.06mm)		-0.09"
(-2.28mm)		54th Driest
Driest since:
1918
75th Wettest
Wettest since:
2019
May 2021–Mar 2022
11-Month		27.42"
(696.47mm)		27.43"
(696.72mm)		-0.01"
(-0.25mm)		57th Driest
Driest since:
1918
72nd Wettest
Wettest since:
2019
Ties: 1945
Apr 2021–Mar 2022
12-Month		29.48"
(748.79mm)		29.96"
(760.98mm)		-0.48"
(-12.19mm)		46th Driest
Driest since:
1918
83rd Wettest
Wettest since:
2016
Oct 2020–Mar 2022
18-Month		42.27"
(1,073.66mm)		43.68"
(1,109.47mm)		-1.41"
(-35.81mm)		37th Driest
Driest since:
1918
91st Wettest
Wettest since:
2020
Apr 2020–Mar 2022
24-Month		58.41"
(1,483.61mm)		59.92"
(1,521.97mm)		-1.51"
(-38.36mm)		42nd Driest
Driest since:
1955
86th Wettest
Wettest since:
2020
Apr 2019–Mar 2022
36-Month		93.22"
(2,367.79mm)		89.87"
(2,282.70mm)		3.35"
(85.09mm)		92nd Driest
Driest since:
1955
35th Wettest
Wettest since:
2020
Apr 2018–Mar 2022
48-Month		128.73"
(3,269.74mm)		119.76"
(3,041.90mm)		8.97"
(227.84mm)		114th Driest
Driest since:
1957
12th Wettest
Wettest since:
2019
Apr 2017–Mar 2022
60-Month		160.18"
(4,068.57mm)		149.62"
(3,800.35mm)		10.56"
(268.22mm)		114th Driest
Driest since:
1957
11th Wettest
Wettest since:
2020

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