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 1981

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 1981
1-Month
0.98"
(24.89mm)
2.31"
(58.67mm)
-1.33"
(-33.78mm)
1st Driest
Driest since:
1981
128th Wettest
Wettest since:
1916
Dec 1980–Jan 1981
2-Month
2.55"
(64.77mm)
4.66"
(118.36mm)
-2.11"
(-53.59mm)
1st Driest
Driest since:
1981
127th Wettest
Wettest since:
1932
Nov 1980–Jan 1981
3-Month
4.31"
(109.47mm)
6.89"
(175.01mm)
-2.58"
(-65.54mm)
2nd Driest
Driest since:
1977
126th Wettest
Wettest since:
2016
Oct 1980–Jan 1981
4-Month
6.18"
(156.97mm)
9.06"
(230.12mm)
-2.88"
(-73.15mm)
1st Driest
Driest since:
1981
127th Wettest
Wettest since:
2016
Sep 1980–Jan 1981
5-Month
8.97"
(227.84mm)
11.55"
(293.37mm)
-2.58"
(-65.53mm)
6th Driest
Driest since:
1940
122nd Wettest
Wettest since:
2019
Ties: 1904
Aug 1980–Jan 1981
6-Month
11.54"
(293.12mm)
14.17"
(359.92mm)
-2.63"
(-66.80mm)
6th Driest
Driest since:
1940
122nd Wettest
Wettest since:
2019
Jul 1980–Jan 1981
7-Month
13.51"
(343.15mm)
16.96"
(430.78mm)
-3.45"
(-87.63mm)
2nd Driest
Driest since:
1940
126th Wettest
Wettest since:
2019
Ties: 1931
Jun 1980–Jan 1981
8-Month
15.82"
(401.83mm)
19.88"
(504.95mm)
-4.06"
(-103.12mm)
1st Driest
Driest since:
1981
127th Wettest
Wettest since:
2019
May 1980–Jan 1981
9-Month
18.91"
(480.31mm)
22.79"
(578.87mm)
-3.88"
(-98.56mm)
4th Driest
Driest since:
1918
124th Wettest
Wettest since:
2016
Apr 1980–Jan 1981
10-Month
21.29"
(540.77mm)
25.32"
(643.13mm)
-4.03"
(-102.36mm)
5th Driest
Driest since:
1940
123rd Wettest
Wettest since:
2016
Mar 1980–Jan 1981
11-Month
24.68"
(626.87mm)
27.83"
(706.88mm)
-3.15"
(-80.01mm)
10th Driest
Driest since:
1957
118th Wettest
Wettest since:
1974
Feb 1980–Jan 1981
12-Month
26.60"
(675.64mm)
29.96"
(760.98mm)
-3.36"
(-85.34mm)
13th Driest
Driest since:
1931
115th Wettest
Wettest since:
1974
Aug 1979–Jan 1981
18-Month
41.15"
(1,045.21mm)
44.14"
(1,121.16mm)
-2.99"
(-75.95mm)
18th Driest
Driest since:
1955
109th Wettest
Wettest since:
2020
Feb 1979–Jan 1981
24-Month
58.69"
(1,490.73mm)
59.93"
(1,522.22mm)
-1.24"
(-31.49mm)
47th Driest
Driest since:
1918
80th Wettest
Wettest since:
2020
Feb 1978–Jan 1981
36-Month
88.96"
(2,259.58mm)
89.86"
(2,282.44mm)
-0.90"
(-22.86mm)
54th Driest
Driest since:
1957
72nd Wettest
Wettest since:
2020
Feb 1977–Jan 1981
48-Month
121.00"
(3,073.40mm)
119.76"
(3,041.90mm)
1.24"
(31.50mm)
69th Driest
Driest since:
1957
56th Wettest
Wettest since:
2020
Feb 1976–Jan 1981
60-Month
147.13"
(3,737.10mm)
149.63"
(3,800.60mm)
-2.50"
(-63.50mm)
43rd Driest
Driest since:
1957
81st Wettest
Wettest since:
2020

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