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 1908

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
January 1908
1-Month
1.82"
(46.23mm)
2.31"
(58.67mm)
-0.49"
(-12.44mm)
23rd Driest
Driest since:
1981
107th Wettest
Wettest since:
1916
Ties: 1934
Dec 1907–Jan 1908
2-Month
4.51"
(114.55mm)
4.66"
(118.36mm)
-0.15"
(-3.81mm)
59th Driest
Driest since:
1981
70th Wettest
Wettest since:
1932
Ties: 1956, 1980
Nov 1907–Jan 1908
3-Month
6.76"
(171.70mm)
6.89"
(175.01mm)
-0.13"
(-3.31mm)
60th Driest
Driest since:
1977
69th Wettest
Wettest since:
2016
Ties: 1915, 1985, 2002
Oct 1907–Jan 1908
4-Month
8.79"
(223.27mm)
9.06"
(230.12mm)
-0.27"
(-6.85mm)
50th Driest
Driest since:
1981
79th Wettest
Wettest since:
2016
Sep 1907–Jan 1908
5-Month
11.30"
(287.02mm)
11.55"
(293.37mm)
-0.25"
(-6.35mm)
52nd Driest
Driest since:
1940
77th Wettest
Wettest since:
2019
Aug 1907–Jan 1908
6-Month
13.85"
(351.79mm)
14.17"
(359.92mm)
-0.32"
(-8.13mm)
47th Driest
Driest since:
1940
82nd Wettest
Wettest since:
2019
Jul 1907–Jan 1908
7-Month
16.85"
(427.99mm)
16.96"
(430.78mm)
-0.11"
(-2.79mm)
51st Driest
Driest since:
1940
78th Wettest
Wettest since:
2019
Jun 1907–Jan 1908
8-Month
19.97"
(507.24mm)
19.88"
(504.95mm)
0.09"
(2.29mm)
57th Driest
Driest since:
1981
72nd Wettest
Wettest since:
2019
May 1907–Jan 1908
9-Month
23.42"
(594.87mm)
22.79"
(578.87mm)
0.63"
(16.00mm)
75th Driest
Driest since:
1918
54th Wettest
Wettest since:
2016
Ties: 2014
Apr 1907–Jan 1908
10-Month
25.74"
(653.80mm)
25.32"
(643.13mm)
0.42"
(10.67mm)
71st Driest
Driest since:
1940
58th Wettest
Wettest since:
2016
Mar 1907–Jan 1908
11-Month
28.19"
(716.03mm)
27.83"
(706.88mm)
0.36"
(9.15mm)
69th Driest
Driest since:
1957
60th Wettest
Wettest since:
1974
Feb 1907–Jan 1908
12-Month
30.01"
(762.25mm)
29.96"
(760.98mm)
0.05"
(1.27mm)
61st Driest
Driest since:
1931
68th Wettest
Wettest since:
1974
Aug 1906–Jan 1908
18-Month
46.51"
(1,181.35mm)
44.14"
(1,121.16mm)
2.37"
(60.19mm)
93rd Driest
Driest since:
1955
35th Wettest
Wettest since:
2020
Feb 1906–Jan 1908
24-Month
63.07"
(1,601.98mm)
59.93"
(1,522.22mm)
3.14"
(79.76mm)
98th Driest
Driest since:
1918
30th Wettest
Wettest since:
2020
Feb 1905–Jan 1908
36-Month
96.02"
(2,438.91mm)
89.86"
(2,282.44mm)
6.16"
(156.47mm)
110th Driest
Driest since:
1957
17th Wettest
Wettest to Date
2020
Feb 1904–Jan 1908
48-Month
124.34"
(3,158.24mm)
119.76"
(3,041.90mm)
4.58"
(116.34mm)
98th Driest
Driest since:
1957
28th Wettest
Wettest to Date
2020
Feb 1903–Jan 1908
60-Month
153.24"
(3,892.30mm)
149.63"
(3,800.60mm)
3.61"
(91.70mm)
86th Driest
Driest since:
1957
39th Wettest
Wettest since:
2020

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