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 1939

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 1939
1-Month
2.93"
(74.42mm)
2.13"
(54.10mm)
0.80"
(20.32mm)
124th Driest
Driest since:
1947
5th Wettest
Wettest since:
1998
Jan–Feb 1939
2-Month
5.42"
(137.67mm)
4.45"
(113.03mm)
0.97"
(24.64mm)
115th Driest
Driest since:
1977
14th Wettest
Wettest since:
1998
Dec 1938–Feb 1939
3-Month
7.13"
(181.10mm)
6.79"
(172.47mm)
0.34"
(8.63mm)
89th Driest
Driest since:
1977
39th Wettest
Wettest since:
2019
Ties: 1956, 1999
Nov 1938–Feb 1939
4-Month
9.14"
(232.16mm)
9.02"
(229.11mm)
0.12"
(3.05mm)
77th Driest
Driest since:
1977
51st Wettest
Wettest since:
2019
Oct 1938–Feb 1939
5-Month
10.44"
(265.18mm)
11.19"
(284.23mm)
-0.75"
(-19.05mm)
35th Driest
Driest since:
1977
93rd Wettest
Wettest since:
2019
Sep 1938–Feb 1939
6-Month
12.89"
(327.41mm)
13.68"
(347.47mm)
-0.79"
(-20.06mm)
36th Driest
Driest since:
1977
92nd Wettest
Wettest since:
2019
Aug 1938–Feb 1939
7-Month
14.95"
(379.73mm)
16.31"
(414.27mm)
-1.36"
(-34.54mm)
26th Driest
Driest since:
1977
102nd Wettest
Wettest since:
2019
Jul 1938–Feb 1939
8-Month
18.29"
(464.57mm)
19.09"
(484.89mm)
-0.80"
(-20.32mm)
35th Driest
Driest since:
1977
93rd Wettest
Wettest since:
2019
Ties: 1945
Jun 1938–Feb 1939
9-Month
21.41"
(543.81mm)
22.02"
(559.31mm)
-0.61"
(-15.50mm)
39th Driest
Driest since:
1918, 1931, 1977
89th Wettest
Wettest since:
2019
May 1938–Feb 1939
10-Month
24.65"
(626.11mm)
24.92"
(632.97mm)
-0.27"
(-6.86mm)
49th Driest
Driest since:
1918
79th Wettest
Wettest since:
2019
Ties: 1965, 2009
Apr 1938–Feb 1939
11-Month
27.34"
(694.44mm)
27.45"
(697.23mm)
-0.11"
(-2.79mm)
51st Driest
Driest since:
1931
77th Wettest
Wettest since:
2019
Mar 1938–Feb 1939
12-Month
30.64"
(778.26mm)
29.96"
(760.98mm)
0.68"
(17.28mm)
72nd Driest
Driest since:
1931
56th Wettest
Wettest since:
2019
Sep 1937–Feb 1939
18-Month
44.36"
(1,126.74mm)
43.65"
(1,108.71mm)
0.71"
(18.03mm)
72nd Driest
Driest since:
1918
55th Wettest
Wettest since:
2020
Mar 1937–Feb 1939
24-Month
59.80"
(1,518.92mm)
59.92"
(1,521.97mm)
-0.12"
(-3.05mm)
59th Driest
Driest since:
1935
68th Wettest
Wettest since:
2020
Mar 1936–Feb 1939
36-Month
87.45"
(2,221.23mm)
89.87"
(2,282.70mm)
-2.42"
(-61.47mm)
35th Driest
Driest since:
1957
91st Wettest
Wettest since:
2020
Mar 1935–Feb 1939
48-Month
118.33"
(3,005.58mm)
119.77"
(3,042.16mm)
-1.44"
(-36.58mm)
51st Driest
Driest since:
1957
74th Wettest
Wettest since:
2019
Mar 1934–Feb 1939
60-Month
144.75"
(3,676.65mm)
149.63"
(3,800.60mm)
-4.88"
(-123.95mm)
20th Driest
Driest since:
1957
104th Wettest
Wettest since:
2020

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