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 1957

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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 1957
1-Month
2.13"
(54.10mm)
2.31"
(58.67mm)
-0.18"
(-4.57mm)
50th Driest
Driest since:
1981
79th Wettest
Wettest since:
1916
Dec 1956–Jan 1957
2-Month
4.13"
(104.90mm)
4.66"
(118.36mm)
-0.53"
(-13.46mm)
33rd Driest
Driest since:
1981
95th Wettest
Wettest since:
1932
Ties: 1911, 1990
Nov 1956–Jan 1957
3-Month
5.49"
(139.45mm)
6.89"
(175.01mm)
-1.40"
(-35.56mm)
15th Driest
Driest since:
1977
113th Wettest
Wettest since:
2016
Oct 1956–Jan 1957
4-Month
7.49"
(190.25mm)
9.06"
(230.12mm)
-1.57"
(-39.87mm)
13th Driest
Driest since:
1981
115th Wettest
Wettest since:
2016
Sep 1956–Jan 1957
5-Month
8.93"
(226.82mm)
11.55"
(293.37mm)
-2.62"
(-66.55mm)
4th Driest
Driest since:
1940
124th Wettest
Wettest since:
2019
Aug 1956–Jan 1957
6-Month
11.14"
(282.96mm)
14.17"
(359.92mm)
-3.03"
(-76.96mm)
5th Driest
Driest since:
1940
123rd Wettest
Wettest since:
2019
Jul 1956–Jan 1957
7-Month
13.92"
(353.57mm)
16.96"
(430.78mm)
-3.04"
(-77.21mm)
7th Driest
Driest since:
1940
121st Wettest
Wettest since:
2019
Jun 1956–Jan 1957
8-Month
16.13"
(409.70mm)
19.88"
(504.95mm)
-3.75"
(-95.25mm)
4th Driest
Driest since:
1981
124th Wettest
Wettest since:
2019
May 1956–Jan 1957
9-Month
18.73"
(475.74mm)
22.79"
(578.87mm)
-4.06"
(-103.13mm)
3rd Driest
Driest since:
1918
125th Wettest
Wettest since:
2016
Apr 1956–Jan 1957
10-Month
20.80"
(528.32mm)
25.32"
(643.13mm)
-4.52"
(-114.81mm)
2nd Driest
Driest since:
1940
126th Wettest
Wettest since:
2016
Mar 1956–Jan 1957
11-Month
22.62"
(574.55mm)
27.83"
(706.88mm)
-5.21"
(-132.33mm)
1st Driest
Driest since:
1957
127th Wettest
Wettest since:
1974
Feb 1956–Jan 1957
12-Month
25.24"
(641.10mm)
29.96"
(760.98mm)
-4.72"
(-119.88mm)
3rd Driest
Driest since:
1931
125th Wettest
Wettest since:
1974
Aug 1955–Jan 1957
18-Month
38.56"
(979.42mm)
44.14"
(1,121.16mm)
-5.58"
(-141.74mm)
5th Driest
Driest since:
1955
122nd Wettest
Wettest since:
2020
Feb 1955–Jan 1957
24-Month
53.56"
(1,360.42mm)
59.93"
(1,522.22mm)
-6.37"
(-161.80mm)
4th Driest
Driest since:
1918
123rd Wettest
Wettest since:
2020
Feb 1954–Jan 1957
36-Month
78.86"
(2,003.04mm)
89.86"
(2,282.44mm)
-11.00"
(-279.40mm)
1st Driest
Driest since:
1957
125th Wettest
Wettest since:
2020
Feb 1953–Jan 1957
48-Month
107.07"
(2,719.58mm)
119.76"
(3,041.90mm)
-12.69"
(-322.32mm)
1st Driest
Driest since:
1957
124th Wettest
Wettest since:
2020
Feb 1952–Jan 1957
60-Month
133.61"
(3,393.69mm)
149.63"
(3,800.60mm)
-16.02"
(-406.91mm)
1st Driest
Driest since:
1957
123rd Wettest
Wettest since:
2020

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