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, October 1980

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
October 1980
1-Month
1.87"
(47.50mm)
2.16"
(54.86mm)
-0.29"
(-7.36mm)
35th Driest
Driest since:
1952
94th Wettest
Wettest since:
2009
Sep–Oct 1980
2-Month
4.66"
(118.36mm)
4.65"
(118.11mm)
0.01"
(0.25mm)
61st Driest
Driest since:
1952
68th Wettest
Wettest since:
2018
Aug–Oct 1980
3-Month
7.23"
(183.64mm)
7.27"
(184.66mm)
-0.04"
(-1.02mm)
56th Driest
Driest since:
1952
73rd Wettest
Wettest since:
2018
Ties: 1991
Jul–Oct 1980
4-Month
9.20"
(233.68mm)
10.05"
(255.27mm)
-0.85"
(-21.59mm)
26th Driest
Driest since:
1952
103rd Wettest
Wettest since:
1941
Jun–Oct 1980
5-Month
11.51"
(292.35mm)
12.97"
(329.44mm)
-1.46"
(-37.09mm)
14th Driest
Driest since:
1952
115th Wettest
Wettest since:
1941
Ties: 1897
May–Oct 1980
6-Month
14.60"
(370.84mm)
15.88"
(403.35mm)
-1.28"
(-32.51mm)
23rd Driest
Driest since:
1952
106th Wettest
Wettest since:
1941
Apr–Oct 1980
7-Month
16.98"
(431.29mm)
18.40"
(467.36mm)
-1.42"
(-36.07mm)
21st Driest
Driest since:
1952
108th Wettest
Wettest since:
1941
Mar–Oct 1980
8-Month
20.37"
(517.40mm)
20.91"
(531.11mm)
-0.54"
(-13.71mm)
44th Driest
Driest since:
1956
85th Wettest
Wettest since:
2019
Feb–Oct 1980
9-Month
22.29"
(566.17mm)
23.04"
(585.22mm)
-0.75"
(-19.05mm)
40th Driest
Driest since:
1934
89th Wettest
Wettest since:
2019
Jan–Oct 1980
10-Month
24.94"
(633.48mm)
25.36"
(644.14mm)
-0.42"
(-10.66mm)
47th Driest
Driest since:
1934
82nd Wettest
Wettest since:
2019
Dec 1979–Oct 1980
11-Month
26.80"
(680.72mm)
27.70"
(703.58mm)
-0.90"
(-22.86mm)
38th Driest
Driest since:
1931
90th Wettest
Wettest since:
2019
Nov 1979–Oct 1980
12-Month
29.14"
(740.16mm)
29.93"
(760.22mm)
-0.79"
(-20.06mm)
41st Driest
Driest since:
1934
87th Wettest
Wettest since:
2019
Ties: 1921
May 1979–Oct 1980
18-Month
45.91"
(1,166.11mm)
45.83"
(1,164.08mm)
0.08"
(2.03mm)
60th Driest
Driest since:
1931
68th Wettest
Wettest since:
2019
Nov 1978–Oct 1980
24-Month
62.82"
(1,595.63mm)
59.90"
(1,521.46mm)
2.92"
(74.17mm)
96th Driest
Driest since:
1931
31st Wettest
Wettest since:
2019
Nov 1977–Oct 1980
36-Month
93.41"
(2,372.61mm)
89.86"
(2,282.44mm)
3.55"
(90.17mm)
96th Driest
Driest since:
1956
30th Wettest
Wettest since:
2019
Nov 1976–Oct 1980
48-Month
120.74"
(3,066.80mm)
119.78"
(3,042.41mm)
0.96"
(24.39mm)
65th Driest
Driest since:
1956
60th Wettest
Wettest since:
2019
Nov 1975–Oct 1980
60-Month
148.97"
(3,783.84mm)
149.66"
(3,801.36mm)
-0.69"
(-17.52mm)
53rd Driest
Driest since:
1934
71st Wettest
Wettest since:
2019

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