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, November 2018

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
November 2018
1-Month
2.71"
(68.83mm)
2.23"
(56.64mm)
0.48"
(12.19mm)
100th Driest
Driest since:
1917
29th Wettest
Wettest since:
1983
Oct–Nov 2018
2-Month
6.14"
(155.96mm)
4.40"
(111.76mm)
1.74"
(44.20mm)
122nd Driest
Driest since:
1917
7th Wettest
Wettest since:
1985
Sep–Nov 2018
3-Month
9.71"
(246.63mm)
6.88"
(174.75mm)
2.83"
(71.88mm)
127th Driest
Driest since:
1939
2nd Wettest
Wettest since:
1985
Aug–Nov 2018
4-Month
12.69"
(322.33mm)
9.50"
(241.30mm)
3.19"
(81.03mm)
128th Driest
Driest since:
1952
1st Wettest
Wettest to Date
2018
Jul–Nov 2018
5-Month
15.55"
(394.97mm)
12.28"
(311.91mm)
3.27"
(83.06mm)
128th Driest
Driest since:
1952
1st Wettest
Wettest to Date
2018
Jun–Nov 2018
6-Month
18.70"
(474.98mm)
15.20"
(386.08mm)
3.50"
(88.90mm)
127th Driest
Driest since:
1952
2nd Wettest
Wettest since:
2004
May–Nov 2018
7-Month
21.72"
(551.69mm)
18.12"
(460.25mm)
3.60"
(91.44mm)
126th Driest
Driest since:
1952
3rd Wettest
Wettest since:
2004
Apr–Nov 2018
8-Month
24.18"
(614.17mm)
20.63"
(524.00mm)
3.55"
(90.17mm)
125th Driest
Driest since:
1952
4th Wettest
Wettest since:
2015
Mar–Nov 2018
9-Month
26.66"
(677.16mm)
23.14"
(587.76mm)
3.52"
(89.40mm)
125th Driest
Driest since:
1956
4th Wettest
Wettest since:
1973
Feb–Nov 2018
10-Month
29.55"
(750.57mm)
25.28"
(642.11mm)
4.27"
(108.46mm)
127th Driest
Driest since:
1910
2nd Wettest
Wettest to Date
2019
Jan–Nov 2018
11-Month
31.40"
(797.56mm)
27.59"
(700.79mm)
3.81"
(96.77mm)
124th Driest
Driest since:
1910
5th Wettest
Wettest since:
2019
Dec 2017–Nov 2018
12-Month
32.99"
(837.95mm)
29.94"
(760.48mm)
3.05"
(77.47mm)
116th Driest
Driest since:
1931
12th Wettest
Wettest since:
2019
Jun 2017–Nov 2018
18-Month
48.77"
(1,238.76mm)
45.16"
(1,147.06mm)
3.61"
(91.70mm)
111th Driest
Driest since:
1931
17th Wettest
Wettest since:
2019
Ties: 2005
Dec 2016–Nov 2018
24-Month
66.43"
(1,687.32mm)
59.90"
(1,521.46mm)
6.53"
(165.86mm)
121st Driest
Driest since:
1931
6th Wettest
Wettest since:
2019
Dec 2015–Nov 2018
36-Month
99.19"
(2,519.43mm)
89.86"
(2,282.44mm)
9.33"
(236.99mm)
119th Driest
Driest since:
1956
7th Wettest
Wettest since:
2019
Dec 2014–Nov 2018
48-Month
132.30"
(3,360.42mm)
119.78"
(3,042.41mm)
12.52"
(318.01mm)
122nd Driest
Driest since:
1956
3rd Wettest
Wettest to Date
2019
Dec 2013–Nov 2018
60-Month
162.78"
(4,134.61mm)
149.66"
(3,801.36mm)
13.12"
(333.25mm)
120th Driest
Driest since:
1956
4th Wettest
Wettest to Date
2019

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