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 1906

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1906
1-Month 		3.26"
(82.80mm)		 2.51"
(63.75mm)		 0.75"
(19.05mm)		 119th Driest
Driest since:
 1910
10th Wettest
Wettest since:
 1973
Feb–Mar 1906
2-Month 		4.98"
(126.49mm)		 4.64"
(117.86mm)		 0.34"
(8.63mm)		 94th Driest
Driest since:
 1910
35th Wettest
Wettest since:
 1998
Jan–Mar 1906
3-Month 		7.51"
(190.75mm)		 6.96"
(176.78mm)		 0.55"
(13.97mm)		 98th Driest
Driest since:
 1910
31st Wettest
Wettest since:
 1998
Dec 1905–Mar 1906
4-Month 		9.81"
(249.17mm)		 9.30"
(236.22mm)		 0.51"
(12.95mm)		 91st Driest
Driest since:
 1981
37th Wettest
Wettest since:
 1983, 1998
Nov 1905–Mar 1906
5-Month 		12.00"
(304.80mm)		 11.53"
(292.86mm)		 0.47"
(11.94mm)		 88th Driest
Driest since:
 1977
40th Wettest
Wettest since:
 1983
Ties: 1982
Oct 1905–Mar 1906
6-Month 		14.17"
(359.92mm)		 13.70"
(347.98mm)		 0.47"
(11.94mm)		 77th Driest
Driest since:
 1918
51st Wettest
Wettest since:
 1983
Sep 1905–Mar 1906
7-Month 		16.74"
(425.20mm)		 16.19"
(411.23mm)		 0.55"
(13.97mm)		 79th Driest
Driest since:
 1918
49th Wettest
Wettest since:
 2019
Aug 1905–Mar 1906
8-Month 		19.28"
(489.71mm)		 18.82"
(478.03mm)		 0.46"
(11.68mm)		 78th Driest
Driest since:
 1918
50th Wettest
Wettest since:
 2019
Jul 1905–Mar 1906
9-Month 		22.80"
(579.12mm)		 21.60"
(548.64mm)		 1.20"
(30.48mm)		 94th Driest
Driest since:
 1918
34th Wettest
Wettest since:
 2019
Ties: 1969, 1972
Jun 1905–Mar 1906
10-Month 		26.10"
(662.94mm)		 24.53"
(623.06mm)		 1.57"
(39.88mm)		 101st Driest
Driest since:
 1918
27th Wettest
Wettest since:
 2019
May 1905–Mar 1906
11-Month 		29.84"
(757.94mm)		 27.43"
(696.72mm)		 2.41"
(61.22mm)		 109th Driest
Driest since:
 1918
19th Wettest
Wettest since:
 2019
Apr 1905–Mar 1906
12-Month 		32.64"
(829.06mm)		 29.96"
(760.98mm)		 2.68"
(68.08mm)		 114th Driest
Driest since:
 1918
14th Wettest
Wettest to Date
 2016
Oct 1904–Mar 1906
18-Month 		44.95"
(1,141.73mm)		 43.68"
(1,109.47mm)		 1.27"
(32.26mm)		 86th Driest
Driest since:
 1918
41st Wettest
Wettest to Date
 2020
Apr 1904–Mar 1906
24-Month 		60.72"
(1,542.29mm)		 59.92"
(1,521.97mm)		 0.80"
(20.32mm)		 73rd Driest
Driest since:
 1955
54th Wettest
Wettest to Date
 2020
Apr 1903–Mar 1906
36-Month 		89.11"
(2,263.39mm)		 89.87"
(2,282.70mm)		 -0.76"
(-19.31mm)		 54th Driest
Driest since:
 1955
72nd Wettest
Wettest since:
 2020
Apr 1902–Mar 1906
48-Month 		121.14"
(3,076.96mm)		 119.76"
(3,041.90mm)		 1.38"
(35.06mm)		 69th Driest
Driest since:
 1957
56th Wettest
Wettest to Date
 2019
Apr 1901–Mar 1906
60-Month 		149.27"
(3,791.46mm)		 149.62"
(3,800.35mm)		 -0.35"
(-8.89mm)		 60th Driest
Driest since:
 1957
64th Wettest
Wettest to Date
 2020

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