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 2020

View Period (Months):
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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
February 2020
1-Month
2.45"
(62.23mm)
2.13"
(54.10mm)
0.32"
(8.13mm)
99th Driest
Driest since:
1947
30th Wettest
Wettest since:
1998
Ties: 2004
Jan–Feb 2020
2-Month
5.21"
(132.33mm)
4.45"
(113.03mm)
0.76"
(19.30mm)
110th Driest
Driest since:
1977
19th Wettest
Wettest since:
1998
Dec 2019–Feb 2020
3-Month
7.78"
(197.61mm)
6.79"
(172.47mm)
0.99"
(25.14mm)
109th Driest
Driest since:
1977
19th Wettest
Wettest since:
2019
Nov 2019–Feb 2020
4-Month
9.72"
(246.89mm)
9.02"
(229.11mm)
0.70"
(17.78mm)
97th Driest
Driest since:
1977
31st Wettest
Wettest since:
2019
Oct 2019–Feb 2020
5-Month
12.91"
(327.91mm)
11.19"
(284.23mm)
1.72"
(43.68mm)
111th Driest
Driest since:
1977
17th Wettest
Wettest since:
2019
Sep 2019–Feb 2020
6-Month
15.36"
(390.14mm)
13.68"
(347.47mm)
1.68"
(42.67mm)
110th Driest
Driest since:
1977
18th Wettest
Wettest since:
2019
Ties: 1932
Aug 2019–Feb 2020
7-Month
18.14"
(460.76mm)
16.31"
(414.27mm)
1.83"
(46.49mm)
109th Driest
Driest since:
1977
19th Wettest
Wettest since:
2019
Ties: 1969
Jul 2019–Feb 2020
8-Month
20.90"
(530.86mm)
19.09"
(484.89mm)
1.81"
(45.97mm)
107th Driest
Driest since:
1977
21st Wettest
Wettest since:
2019
Jun 2019–Feb 2020
9-Month
24.27"
(616.46mm)
22.02"
(559.31mm)
2.25"
(57.15mm)
111th Driest
Driest since:
1918, 1931, 1977
17th Wettest
Wettest since:
2019
May 2019–Feb 2020
10-Month
28.74"
(730.00mm)
24.92"
(632.97mm)
3.82"
(97.03mm)
122nd Driest
Driest since:
1918
6th Wettest
Wettest since:
2019
Apr 2019–Feb 2020
11-Month
31.95"
(811.53mm)
27.45"
(697.23mm)
4.50"
(114.30mm)
125th Driest
Driest since:
1931
3rd Wettest
Wettest since:
2019
Ties: 1997
Mar 2019–Feb 2020
12-Month
34.19"
(868.43mm)
29.96"
(760.98mm)
4.23"
(107.45mm)
123rd Driest
Driest since:
1931
5th Wettest
Wettest since:
2019
Ties: 1997
Sep 2018–Feb 2020
18-Month
52.99"
(1,345.95mm)
43.65"
(1,108.71mm)
9.34"
(237.24mm)
126th Driest
Driest since:
1918
1st Wettest
Wettest to Date
2020
Mar 2018–Feb 2020
24-Month
69.94"
(1,776.48mm)
59.92"
(1,521.97mm)
10.02"
(254.51mm)
126th Driest
Driest since:
1935
1st Wettest
Wettest to Date
2020
Mar 2017–Feb 2020
36-Month
101.50"
(2,578.10mm)
89.87"
(2,282.70mm)
11.63"
(295.40mm)
125th Driest
Driest since:
1957
1st Wettest
Wettest to Date
2020
Mar 2016–Feb 2020
48-Month
134.44"
(3,414.78mm)
119.77"
(3,042.16mm)
14.67"
(372.62mm)
123rd Driest
Driest since:
1957
2nd Wettest
Wettest since:
2019
Mar 2015–Feb 2020
60-Month
169.43"
(4,303.52mm)
149.63"
(3,800.60mm)
19.80"
(502.92mm)
123rd Driest
Driest since:
1957
1st Wettest
Wettest to Date
2020

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