National Rankings

National Data Info
Please note, 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.

October 2019 Precipitation Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Driest/Wettest
Since
Record
October 2019
1-Month
3.19in
(81.03mm)
2.16in
(54.86mm)
1.03in124th Driest
Driest since:
1952
7th Wettest
Wettest since:
2009
Sep–Oct 2019
2-Month
5.64in
(143.26mm)
4.65in
(118.11mm)
0.99in114th Driest
Driest since:
1952
17th Wettest
Wettest since:
2018
Ties: 1913
Aug–Oct 2019
3-Month
8.42in
(213.87mm)
7.26in
(184.40mm)
1.16in117th Driest
Driest since:
1952
14th Wettest
Wettest since:
2018
Jul–Oct 2019
4-Month
11.18in
(283.97mm)
10.04in
(255.02mm)
1.14in114th Driest
Driest since:
1952
17th Wettest
Wettest since:
1941
Jun–Oct 2019
5-Month
14.55in
(369.57mm)
12.96in
(329.18mm)
1.59in119th Driest
Driest since:
1952
12th Wettest
Wettest since:
1941
May–Oct 2019
6-Month
19.02in
(483.11mm)
15.87in
(403.10mm)
3.15in129th Driest
Driest since:
1952
2nd Wettest
Wettest since:
1941
Apr–Oct 2019
7-Month
22.23in
(564.64mm)
18.39in
(467.11mm)
3.84in129th Driest
Driest since:
1952
2nd Wettest
Wettest since:
1941
Mar–Oct 2019
8-Month
24.47in
(621.54mm)
20.90in
(530.86mm)
3.57in130th Driest
Driest since:
1956
1st WettestWettest to Date2019
Feb–Oct 2019
9-Month
27.75in
(704.85mm)
23.03in
(584.96mm)
4.72in130th Driest
Driest since:
1934
1st WettestWettest to Date2019
Jan–Oct 2019
10-Month
30.31in
(769.87mm)
25.34in
(643.64mm)
4.97in130th Driest
Driest since:
1934
1st WettestWettest to Date2019
Dec 2018–Oct 2019
11-Month
33.56in
(852.42mm)
27.69in
(703.33mm)
5.87in129th Driest
Driest since:
1931
1st WettestWettest to Date2019
Nov 2018–Oct 2019
12-Month
36.27in
(921.26mm)
29.92in
(759.97mm)
6.35in129th Driest
Driest since:
1934
1st WettestWettest to Date2019
May 2018–Oct 2019
18-Month
55.27in
(1,403.86mm)
45.81in9.46in129th Driest
Driest since:
1931
1st WettestWettest to Date2019
Nov 2017–Oct 2019
24-Month
68.14in
(1,730.76mm)
59.87in8.27in128th Driest
Driest since:
1931
1st WettestWettest to Date2019
Nov 2016–Oct 2019
36-Month
101.69in
(2,582.93mm)
89.81in11.88in127th Driest
Driest since:
1956
1st WettestWettest to Date2019
Nov 2015–Oct 2019
48-Month
136.03in
(3,455.16mm)
119.72in16.31in126th Driest
Driest since:
1956
1st WettestWettest to Date2019
Nov 2014–Oct 2019
60-Month
167.91in
(4,264.91mm)
149.58in18.33in125th Driest
Driest since:
1934
1st WettestWettest to Date2019

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