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, April 2009

View Period (Months):
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  • Record Driest
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  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 2009
1-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Mar–Apr 2009
2-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Feb–Apr 2009
3-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jan–Apr 2009
4-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Dec 2008–Apr 2009
5-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Nov 2008–Apr 2009
6-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Oct 2008–Apr 2009
7-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Sep 2008–Apr 2009
8-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Aug 2008–Apr 2009
9-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jul 2008–Apr 2009
10-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jun 2008–Apr 2009
11-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
May 2008–Apr 2009
12-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Nov 2007–Apr 2009
18-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
May 2007–Apr 2009
24-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
May 2006–Apr 2009
36-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
May 2005–Apr 2009
48-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
May 2004–Apr 2009
60-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--

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