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, February 2007

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Wettest/Driest
Since
Record
February 2007
1-Month
1.76"
(44.70mm)
2.13"
(54.10mm)
-0.37"
(-9.40mm)
26th Driest
Driest since:
1947
104th Wettest
Wettest since:
1998
Ties: 2022
Jan–Feb 2007
2-Month
3.98"
(101.09mm)
4.45"
(113.03mm)
-0.47"
(-11.94mm)
32nd Driest
Driest since:
1977
98th Wettest
Wettest since:
1998
Dec 2006–Feb 2007
3-Month
6.55"
(166.37mm)
6.79"
(172.47mm)
-0.24"
(-6.10mm)
50th Driest
Driest since:
1977
79th Wettest
Wettest since:
2019
Ties: 1906
Nov 2006–Feb 2007
4-Month
9.01"
(228.85mm)
9.02"
(229.11mm)
-0.01"
(-0.26mm)
68th Driest
Driest since:
1977
61st Wettest
Wettest since:
2019
Oct 2006–Feb 2007
5-Month
11.91"
(302.51mm)
11.19"
(284.23mm)
0.72"
(18.28mm)
93rd Driest
Driest since:
1977
36th Wettest
Wettest since:
2019
Sep 2006–Feb 2007
6-Month
14.71"
(373.63mm)
13.68"
(347.47mm)
1.03"
(26.16mm)
92nd Driest
Driest since:
1977
37th Wettest
Wettest since:
2019
Aug 2006–Feb 2007
7-Month
17.51"
(444.75mm)
16.31"
(414.27mm)
1.20"
(30.48mm)
99th Driest
Driest since:
1977
30th Wettest
Wettest since:
2019
Jul 2006–Feb 2007
8-Month
19.97"
(507.24mm)
19.09"
(484.89mm)
0.88"
(22.35mm)
92nd Driest
Driest since:
1977
37th Wettest
Wettest since:
2019
Jun 2006–Feb 2007
9-Month
22.53"
(572.26mm)
22.02"
(559.31mm)
0.51"
(12.95mm)
77th Driest
Driest since:
1918, 1931, 1977
52nd Wettest
Wettest since:
2019
May 2006–Feb 2007
10-Month
24.82"
(630.43mm)
24.92"
(632.97mm)
-0.10"
(-2.54mm)
56th Driest
Driest since:
1918
73rd Wettest
Wettest since:
2019
Apr 2006–Feb 2007
11-Month
27.36"
(694.94mm)
27.45"
(697.23mm)
-0.09"
(-2.29mm)
53rd Driest
Driest since:
1931
76th Wettest
Wettest since:
2019
Mar 2006–Feb 2007
12-Month
29.67"
(753.62mm)
29.96"
(760.98mm)
-0.29"
(-7.36mm)
47th Driest
Driest since:
1931
82nd Wettest
Wettest since:
2019
Sep 2005–Feb 2007
18-Month
42.62"
(1,082.55mm)
43.65"
(1,108.71mm)
-1.03"
(-26.16mm)
39th Driest
Driest since:
1918
89th Wettest
Wettest since:
2020
Mar 2005–Feb 2007
24-Month
59.12"
(1,501.65mm)
59.92"
(1,521.97mm)
-0.80"
(-20.32mm)
52nd Driest
Driest since:
1935
76th Wettest
Wettest since:
2020
Mar 2004–Feb 2007
36-Month
92.71"
(2,354.83mm)
89.87"
(2,282.70mm)
2.84"
(72.13mm)
90th Driest
Driest since:
1957
37th Wettest
Wettest since:
2020
Mar 2003–Feb 2007
48-Month
123.74"
(3,143.00mm)
119.77"
(3,042.16mm)
3.97"
(100.84mm)
97th Driest
Driest since:
1957
29th Wettest
Wettest since:
2019
Ties: 2011
Mar 2002–Feb 2007
60-Month
153.36"
(3,895.34mm)
149.63"
(3,800.60mm)
3.73"
(94.74mm)
84th Driest
Driest since:
1957
41st Wettest
Wettest since:
2020

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