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 2006

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
March 2006
1-Month
2.31"
(58.67mm)
2.51"
(63.75mm)
-0.20"
(-5.08mm)
46th Driest
Driest since:
1910
83rd Wettest
Wettest since:
1973
Ties: 1926, 1931, 1932, 2007
Feb–Mar 2006
2-Month
3.83"
(97.28mm)
4.64"
(117.86mm)
-0.81"
(-20.58mm)
12th Driest
Driest since:
1910
117th Wettest
Wettest since:
1998
Jan–Mar 2006
3-Month
6.44"
(163.58mm)
6.96"
(176.78mm)
-0.52"
(-13.20mm)
41st Driest
Driest since:
1910
88th Wettest
Wettest since:
1998
Dec 2005–Mar 2006
4-Month
8.73"
(221.74mm)
9.30"
(236.22mm)
-0.57"
(-14.48mm)
39th Driest
Driest since:
1981
89th Wettest
Wettest since:
1983, 1998
Nov 2005–Mar 2006
5-Month
10.95"
(278.13mm)
11.53"
(292.86mm)
-0.58"
(-14.73mm)
45th Driest
Driest since:
1977
83rd Wettest
Wettest since:
1983
Ties: 1988
Oct 2005–Mar 2006
6-Month
13.32"
(338.33mm)
13.70"
(347.98mm)
-0.38"
(-9.65mm)
55th Driest
Driest since:
1918
73rd Wettest
Wettest since:
1983
Sep 2005–Mar 2006
7-Month
15.26"
(387.60mm)
16.19"
(411.23mm)
-0.93"
(-23.63mm)
36th Driest
Driest since:
1918
92nd Wettest
Wettest since:
2019
Aug 2005–Mar 2006
8-Month
18.25"
(463.55mm)
18.82"
(478.03mm)
-0.57"
(-14.48mm)
42nd Driest
Driest since:
1918
86th Wettest
Wettest since:
2019
Ties: 1966
Jul 2005–Mar 2006
9-Month
20.95"
(532.13mm)
21.60"
(548.64mm)
-0.65"
(-16.51mm)
41st Driest
Driest since:
1918
87th Wettest
Wettest since:
2019
Jun 2005–Mar 2006
10-Month
24.09"
(611.89mm)
24.53"
(623.06mm)
-0.44"
(-11.17mm)
45th Driest
Driest since:
1918
83rd Wettest
Wettest since:
2019
May 2005–Mar 2006
11-Month
26.85"
(681.99mm)
27.43"
(696.72mm)
-0.58"
(-14.73mm)
44th Driest
Driest since:
1918
84th Wettest
Wettest since:
2019
Apr 2005–Mar 2006
12-Month
29.42"
(747.27mm)
29.96"
(760.98mm)
-0.54"
(-13.71mm)
44th Driest
Driest since:
1918
84th Wettest
Wettest since:
2016
Oct 2004–Mar 2006
18-Month
44.92"
(1,140.97mm)
43.68"
(1,109.47mm)
1.24"
(31.50mm)
85th Driest
Driest since:
1918
42nd Wettest
Wettest since:
2020
Ties: 1933
Apr 2004–Mar 2006
24-Month
63.34"
(1,608.84mm)
59.92"
(1,521.97mm)
3.42"
(86.87mm)
100th Driest
Driest since:
1955
27th Wettest
Wettest since:
2020
Ties: 1992
Apr 2003–Mar 2006
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: 1909
Apr 2002–Mar 2006
48-Month
123.41"
(3,134.61mm)
119.76"
(3,041.90mm)
3.65"
(92.71mm)
92nd Driest
Driest since:
1957
33rd Wettest
Wettest since:
2019
Apr 2001–Mar 2006
60-Month
151.72"
(3,853.69mm)
149.62"
(3,800.35mm)
2.10"
(53.34mm)
70th Driest
Driest since:
1957
54th Wettest
Wettest since:
2020

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