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 1909

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1909
1-Month 		2.21"
(56.13mm)		 2.51"
(63.75mm)		 -0.30"
(-7.62mm)		 34th Driest
Driest since:
 1910
95th Wettest
Wettest since:
 1973
Ties: 1981
Feb–Mar 1909
2-Month 		5.09"
(129.29mm)		 4.64"
(117.86mm)		 0.45"
(11.43mm)		 102nd Driest
Driest since:
 1910
27th Wettest
Wettest since:
 1998
Ties: 1958
Jan–Mar 1909
3-Month 		7.83"
(198.88mm)		 6.96"
(176.78mm)		 0.87"
(22.10mm)		 111th Driest
Driest since:
 1910
18th Wettest
Wettest since:
 1998
Dec 1908–Mar 1909
4-Month 		9.56"
(242.82mm)		 9.30"
(236.22mm)		 0.26"
(6.60mm)		 81st Driest
Driest since:
 1981
47th Wettest
Wettest since:
 1983, 1998
Nov 1908–Mar 1909
5-Month 		11.23"
(285.24mm)		 11.53"
(292.86mm)		 -0.30"
(-7.62mm)		 56th Driest
Driest since:
 1977
72nd Wettest
Wettest since:
 1983
Oct 1908–Mar 1909
6-Month 		13.26"
(336.80mm)		 13.70"
(347.98mm)		 -0.44"
(-11.18mm)		 49th Driest
Driest since:
 1918
79th Wettest
Wettest since:
 1983
Ties: 1989
Sep 1908–Mar 1909
7-Month 		15.09"
(383.29mm)		 16.19"
(411.23mm)		 -1.10"
(-27.94mm)		 33rd Driest
Driest since:
 1918
95th Wettest
Wettest since:
 2019
Aug 1908–Mar 1909
8-Month 		17.97"
(456.44mm)		 18.82"
(478.03mm)		 -0.85"
(-21.59mm)		 37th Driest
Driest since:
 1918
91st Wettest
Wettest since:
 2019
Jul 1908–Mar 1909
9-Month 		20.98"
(532.89mm)		 21.60"
(548.64mm)		 -0.62"
(-15.75mm)		 42nd Driest
Driest since:
 1918
86th Wettest
Wettest since:
 2019
Ties: 1966
Jun 1908–Mar 1909
10-Month 		24.00"
(609.60mm)		 24.53"
(623.06mm)		 -0.53"
(-13.46mm)		 42nd Driest
Driest since:
 1918
86th Wettest
Wettest since:
 2019
May 1908–Mar 1909
11-Month 		28.13"
(714.50mm)		 27.43"
(696.72mm)		 0.70"
(17.78mm)		 76th Driest
Driest since:
 1918
52nd Wettest
Wettest since:
 2019
Ties: 1948
Apr 1908–Mar 1909
12-Month 		30.82"
(782.83mm)		 29.96"
(760.98mm)		 0.86"
(21.85mm)		 78th Driest
Driest since:
 1918
50th Wettest
Wettest since:
 2016
Oct 1907–Mar 1909
18-Month 		44.60"
(1,132.84mm)		 43.68"
(1,109.47mm)		 0.92"
(23.37mm)		 77th Driest
Driest since:
 1918
50th Wettest
Wettest since:
 2020
Apr 1907–Mar 1909
24-Month 		61.55"
(1,563.37mm)		 59.92"
(1,521.97mm)		 1.63"
(41.40mm)		 82nd Driest
Driest since:
 1955
45th Wettest
Wettest since:
 2020
Ties: 1950
Apr 1906–Mar 1909
36-Month 		93.90"
(2,385.06mm)		 89.87"
(2,282.70mm)		 4.03"
(102.36mm)		 100th Driest
Driest since:
 1955
26th Wettest
Wettest since:
 2020
Ties: 2006
Apr 1905–Mar 1909
48-Month 		126.54"
(3,214.12mm)		 119.76"
(3,041.90mm)		 6.78"
(172.22mm)		 106th Driest
Driest since:
 1957
19th Wettest
Wettest to Date
 2019
Apr 1904–Mar 1909
60-Month 		154.62"
(3,927.35mm)		 149.62"
(3,800.35mm)		 5.00"
(127.00mm)		 93rd Driest
Driest since:
 1957
31st Wettest
Wettest to Date
 2020

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