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 2013

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
October 2013
1-Month
2.23"
(56.64mm)
2.16"
(54.86mm)
0.07"
(1.78mm)
68th Driest
Driest since:
1952
61st Wettest
Wettest since:
2009
Ties: 1928, 2012
Sep–Oct 2013
2-Month
5.21"
(132.33mm)
4.65"
(118.11mm)
0.56"
(14.22mm)
97th Driest
Driest since:
1952
32nd Wettest
Wettest since:
2018
Aug–Oct 2013
3-Month
7.77"
(197.36mm)
7.27"
(184.66mm)
0.50"
(12.70mm)
85th Driest
Driest since:
1952
44th Wettest
Wettest since:
2018
Jul–Oct 2013
4-Month
11.11"
(282.19mm)
10.05"
(255.27mm)
1.06"
(26.92mm)
109th Driest
Driest since:
1952
20th Wettest
Wettest since:
1941
Jun–Oct 2013
5-Month
14.45"
(367.03mm)
12.97"
(329.44mm)
1.48"
(37.59mm)
114th Driest
Driest since:
1952
15th Wettest
Wettest since:
1941
Ties: 1985, 1993
May–Oct 2013
6-Month
17.80"
(452.12mm)
15.88"
(403.35mm)
1.92"
(48.77mm)
113th Driest
Driest since:
1952
16th Wettest
Wettest since:
1941
Apr–Oct 2013
7-Month
20.70"
(525.78mm)
18.40"
(467.36mm)
2.30"
(58.42mm)
119th Driest
Driest since:
1952
10th Wettest
Wettest since:
1941
Mar–Oct 2013
8-Month
22.42"
(569.47mm)
20.91"
(531.11mm)
1.51"
(38.36mm)
98th Driest
Driest since:
1956
31st Wettest
Wettest since:
2019
Feb–Oct 2013
9-Month
24.44"
(620.78mm)
23.04"
(585.22mm)
1.40"
(35.56mm)
91st Driest
Driest since:
1934
38th Wettest
Wettest since:
2019
Jan–Oct 2013
10-Month
26.81"
(680.97mm)
25.36"
(644.14mm)
1.45"
(36.83mm)
98th Driest
Driest since:
1934
31st Wettest
Wettest since:
2019
Dec 2012–Oct 2013
11-Month
29.69"
(754.13mm)
27.70"
(703.58mm)
1.99"
(50.55mm)
102nd Driest
Driest since:
1931
26th Wettest
Wettest since:
2019
Nov 2012–Oct 2013
12-Month
31.01"
(787.65mm)
29.93"
(760.22mm)
1.08"
(27.43mm)
86th Driest
Driest since:
1934
42nd Wettest
Wettest since:
2019
Ties: 1946
May 2012–Oct 2013
18-Month
45.30"
(1,150.62mm)
45.83"
(1,164.08mm)
-0.53"
(-13.46mm)
48th Driest
Driest since:
1931
80th Wettest
Wettest since:
2019
Nov 2011–Oct 2013
24-Month
59.07"
(1,500.38mm)
59.90"
(1,521.46mm)
-0.83"
(-21.08mm)
47th Driest
Driest since:
1931
80th Wettest
Wettest since:
2019
Nov 2010–Oct 2013
36-Month
89.11"
(2,263.39mm)
89.86"
(2,282.44mm)
-0.75"
(-19.05mm)
53rd Driest
Driest since:
1956
73rd Wettest
Wettest since:
2019
Nov 2009–Oct 2013
48-Month
120.52"
(3,061.21mm)
119.78"
(3,042.41mm)
0.74"
(18.80mm)
64th Driest
Driest since:
1956
61st Wettest
Wettest since:
2019
Nov 2008–Oct 2013
60-Month
152.90"
(3,883.66mm)
149.66"
(3,801.36mm)
3.24"
(82.30mm)
83rd Driest
Driest since:
1934
41st Wettest
Wettest since:
2019

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