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, January 1937

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Wettest/Driest
Since
Record
January 1937
1-Month
3.65"
(92.71mm)
2.31"
(58.67mm)
1.34"
(34.04mm)
128th Driest
Driest since:
1981
2nd Wettest
Wettest since:
1916
Dec 1936–Jan 1937
2-Month
6.44"
(163.58mm)
4.66"
(118.36mm)
1.78"
(45.22mm)
127th Driest
Driest since:
1981
2nd Wettest
Wettest since:
1932
Nov 1936–Jan 1937
3-Month
7.58"
(192.53mm)
6.89"
(175.01mm)
0.69"
(17.52mm)
101st Driest
Driest since:
1977
28th Wettest
Wettest since:
2016
Ties: 1943
Oct 1936–Jan 1937
4-Month
9.66"
(245.36mm)
9.06"
(230.12mm)
0.60"
(15.24mm)
88th Driest
Driest since:
1981
41st Wettest
Wettest since:
2016
Sep 1936–Jan 1937
5-Month
12.65"
(321.31mm)
11.55"
(293.37mm)
1.10"
(27.94mm)
97th Driest
Driest since:
1940
32nd Wettest
Wettest since:
2019
Aug 1936–Jan 1937
6-Month
14.86"
(377.44mm)
14.17"
(359.92mm)
0.69"
(17.52mm)
88th Driest
Driest since:
1940
41st Wettest
Wettest since:
2019
Jul 1936–Jan 1937
7-Month
17.17"
(436.12mm)
16.96"
(430.78mm)
0.21"
(5.34mm)
70th Driest
Driest since:
1940
59th Wettest
Wettest since:
2019
Ties: 1913, 1971
Jun 1936–Jan 1937
8-Month
19.08"
(484.63mm)
19.88"
(504.95mm)
-0.80"
(-20.32mm)
39th Driest
Driest since:
1981
90th Wettest
Wettest since:
2019
May 1936–Jan 1937
9-Month
21.33"
(541.78mm)
22.79"
(578.87mm)
-1.46"
(-37.09mm)
30th Driest
Driest since:
1918
99th Wettest
Wettest since:
2016
Apr 1936–Jan 1937
10-Month
23.33"
(592.58mm)
25.32"
(643.13mm)
-1.99"
(-50.55mm)
25th Driest
Driest since:
1940
104th Wettest
Wettest since:
2016
Ties: 1898
Mar 1936–Jan 1937
11-Month
25.43"
(645.92mm)
27.83"
(706.88mm)
-2.40"
(-60.96mm)
22nd Driest
Driest since:
1957
107th Wettest
Wettest since:
1974
Feb 1936–Jan 1937
12-Month
28.05"
(712.47mm)
29.96"
(760.98mm)
-1.91"
(-48.51mm)
27th Driest
Driest since:
1931
102nd Wettest
Wettest since:
1974
Aug 1935–Jan 1937
18-Month
41.28"
(1,048.51mm)
44.14"
(1,121.16mm)
-2.86"
(-72.65mm)
20th Driest
Driest since:
1955
108th Wettest
Wettest since:
2020
Feb 1935–Jan 1937
24-Month
58.01"
(1,473.45mm)
59.93"
(1,522.22mm)
-1.92"
(-48.77mm)
35th Driest
Driest since:
1918
93rd Wettest
Wettest since:
2020
Feb 1934–Jan 1937
36-Month
84.38"
(2,143.25mm)
89.86"
(2,282.44mm)
-5.48"
(-139.19mm)
10th Driest
Driest since:
1957
117th Wettest
Wettest since:
2020
Feb 1933–Jan 1937
48-Month
111.45"
(2,830.83mm)
119.76"
(3,041.90mm)
-8.31"
(-211.07mm)
5th Driest
Driest since:
1957
121st Wettest
Wettest since:
2020
Feb 1932–Jan 1937
60-Month
140.89"
(3,578.61mm)
149.63"
(3,800.60mm)
-8.74"
(-221.99mm)
6th Driest
Driest since:
1957
119th Wettest
Wettest since:
2020

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