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.

December 2016 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
December 2016
1-Month
2.72in
(69.09mm)
2.34in
(59.44mm)
0.38in97th Driest
Driest since:
1930
34th Wettest
Wettest since:
2015
Ties: 1977
Nov–Dec 2016
2-Month
4.47in
(113.54mm)
4.58in
(116.33mm)
-0.11in53rd Driest
Driest since:
1976
78th Wettest
Wettest since:
2015
Oct–Dec 2016
3-Month
6.86in
(174.24mm)
6.74in
(171.20mm)
0.12in68th Driest
Driest since:
1917
63rd Wettest
Wettest since:
2015
Sep–Dec 2016
4-Month
9.59in
(243.59mm)
9.22in
(234.19mm)
0.37in81st Driest
Driest since:
1939
50th Wettest
Wettest since:
2018
Aug–Dec 2016
5-Month
13.06in
(331.72mm)
11.84in
(300.74mm)
1.22in108th Driest
Driest since:
1917
23rd Wettest
Wettest since:
2018
Jul–Dec 2016
6-Month
15.97in
(405.64mm)
14.62in
(371.35mm)
1.35in107th Driest
Driest since:
1917
24th Wettest
Wettest since:
2018
Jun–Dec 2016
7-Month
18.45in
(468.63mm)
17.54in
(445.52mm)
0.91in85th Driest
Driest since:
1917
46th Wettest
Wettest since:
2018
May–Dec 2016
8-Month
21.52in
(546.61mm)
20.45in
(519.43mm)
1.07in88th Driest
Driest since:
1917
43rd Wettest
Wettest since:
2015
Apr–Dec 2016
9-Month
24.52in
(622.81mm)
22.96in
(583.18mm)
1.56in102nd Driest
Driest since:
1956
29th Wettest
Wettest since:
2015
Mar–Dec 2016
10-Month
27.44in
(696.98mm)
25.47in
(646.94mm)
1.97in107th Driest
Driest since:
1956
24th Wettest
Wettest since:
2015
Feb–Dec 2016
11-Month
29.37in
(746.00mm)
27.61in
(701.29mm)
1.76in101st Driest
Driest since:
1910
30th Wettest
Wettest since:
2018
Jan–Dec 2016
12-Month
31.41in
(797.81mm)
29.92in
(759.97mm)
1.49in101st Driest
Driest since:
1910
30th Wettest
Wettest since:
1973
Jul 2015–Dec 2016
18-Month
49.47in
(1,256.54mm)
44.56in4.91in124th Driest
Driest since:
1954
6th Wettest
Wettest since:
2019
Jan 2015–Dec 2016
24-Month
65.99in
(1,676.15mm)
59.86in6.13in123rd Driest
Driest since:
1931
7th Wettest
Wettest since:
2019
Jan 2014–Dec 2016
36-Month
96.80in
(2,458.72mm)
89.81in6.99in116th Driest
Driest since:
1956
13th Wettest
Wettest since:
2019
Jan 2013–Dec 2016
48-Month
127.84in
(3,247.14mm)
119.71in8.13in115th Driest
Driest since:
1956
13th Wettest
Wettest since:
2019
Jan 2012–Dec 2016
60-Month
155.36in
(3,946.14mm)
149.60in5.76in102nd Driest
Driest since:
1956
25th Wettest
Wettest since:
2019

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