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 2016

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
January 2016
1-Month
2.04"
(51.82mm)
2.31"
(58.67mm)
-0.27"
(-6.85mm)
40th Driest
Driest since:
1981
89th Wettest
Wettest since:
1916
Dec 2015–Jan 2016
2-Month
6.10"
(154.94mm)
4.66"
(118.36mm)
1.44"
(36.58mm)
123rd Driest
Driest since:
1981
5th Wettest
Wettest since:
1932
Ties: 1997
Nov 2015–Jan 2016
3-Month
9.45"
(240.03mm)
6.89"
(175.01mm)
2.56"
(65.02mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
2016
Oct 2015–Jan 2016
4-Month
12.35"
(313.69mm)
9.06"
(230.12mm)
3.29"
(83.57mm)
127th Driest
Driest since:
1981
1st Wettest
Wettest to Date
2016
Sep 2015–Jan 2016
5-Month
14.47"
(367.54mm)
11.55"
(293.37mm)
2.92"
(74.17mm)
124th Driest
Driest since:
1940
4th Wettest
Wettest since:
2019
Aug 2015–Jan 2016
6-Month
16.88"
(428.75mm)
14.17"
(359.92mm)
2.71"
(68.83mm)
122nd Driest
Driest since:
1940
6th Wettest
Wettest since:
2019
Jul 2015–Jan 2016
7-Month
20.11"
(510.79mm)
16.96"
(430.78mm)
3.15"
(80.01mm)
121st Driest
Driest since:
1940
7th Wettest
Wettest since:
2019
Jun 2015–Jan 2016
8-Month
23.66"
(600.96mm)
19.88"
(504.95mm)
3.78"
(96.01mm)
124th Driest
Driest since:
1981
4th Wettest
Wettest since:
2019
May 2015–Jan 2016
9-Month
28.10"
(713.74mm)
22.79"
(578.87mm)
5.31"
(134.87mm)
127th Driest
Driest since:
1918
1st Wettest
Wettest to Date
2016
Apr 2015–Jan 2016
10-Month
30.93"
(785.62mm)
25.32"
(643.13mm)
5.61"
(142.49mm)
127th Driest
Driest since:
1940
1st Wettest
Wettest to Date
2016
Mar 2015–Jan 2016
11-Month
33.06"
(839.72mm)
27.83"
(706.88mm)
5.23"
(132.84mm)
126th Driest
Driest since:
1957
2nd Wettest
Wettest since:
1974
Feb 2015–Jan 2016
12-Month
34.80"
(883.92mm)
29.96"
(760.98mm)
4.84"
(122.94mm)
124th Driest
Driest since:
1931
4th Wettest
Wettest since:
1974
Aug 2014–Jan 2016
18-Month
49.53"
(1,258.06mm)
44.14"
(1,121.16mm)
5.39"
(136.90mm)
122nd Driest
Driest since:
1955
5th Wettest
Wettest since:
2020
Feb 2014–Jan 2016
24-Month
66.11"
(1,679.19mm)
59.93"
(1,522.22mm)
6.18"
(156.97mm)
121st Driest
Driest since:
1918
6th Wettest
Wettest since:
2020
Feb 2013–Jan 2016
36-Month
96.17"
(2,442.72mm)
89.86"
(2,282.44mm)
6.31"
(160.28mm)
110th Driest
Driest since:
1957
16th Wettest
Wettest since:
2020
Feb 2012–Jan 2016
48-Month
123.98"
(3,149.09mm)
119.76"
(3,041.90mm)
4.22"
(107.19mm)
95th Driest
Driest since:
1957
30th Wettest
Wettest since:
2020
Feb 2011–Jan 2016
60-Month
154.52"
(3,924.81mm)
149.63"
(3,800.60mm)
4.89"
(124.21mm)
92nd Driest
Driest since:
1957
32nd Wettest
Wettest since:
2020

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