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, December 2014

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
December 2014
1-Month
2.58"
(65.53mm)
2.35"
(59.69mm)
0.23"
(5.84mm)
79th Driest
Driest since:
1930
50th Wettest
Wettest since:
2015
Nov–Dec 2014
2-Month
4.71"
(119.63mm)
4.58"
(116.33mm)
0.13"
(3.30mm)
73rd Driest
Driest since:
1976
56th Wettest
Wettest since:
2015
Ties: 1923, 1998, 2009
Oct–Dec 2014
3-Month
7.13"
(181.10mm)
6.74"
(171.20mm)
0.39"
(9.90mm)
80th Driest
Driest since:
1917
49th Wettest
Wettest since:
2015
Sep–Dec 2014
4-Month
9.77"
(248.16mm)
9.23"
(234.44mm)
0.54"
(13.72mm)
87th Driest
Driest since:
1939
42nd Wettest
Wettest since:
2018
Aug–Dec 2014
5-Month
12.90"
(327.66mm)
11.85"
(300.99mm)
1.05"
(26.67mm)
96th Driest
Driest since:
1917
33rd Wettest
Wettest since:
2018
Ties: 1968
Jul–Dec 2014
6-Month
15.50"
(393.70mm)
14.62"
(371.35mm)
0.88"
(22.35mm)
89th Driest
Driest since:
1917
40th Wettest
Wettest since:
2018
Ties: 2008
Jun–Dec 2014
7-Month
19.17"
(486.92mm)
17.55"
(445.77mm)
1.62"
(41.15mm)
107th Driest
Driest since:
1917
22nd Wettest
Wettest since:
2018
May–Dec 2014
8-Month
21.98"
(558.29mm)
20.46"
(519.68mm)
1.52"
(38.61mm)
96th Driest
Driest since:
1917
33rd Wettest
Wettest since:
2015
Apr–Dec 2014
9-Month
24.86"
(631.44mm)
22.98"
(583.69mm)
1.88"
(47.75mm)
104th Driest
Driest since:
1956
25th Wettest
Wettest since:
2015
Mar–Dec 2014
10-Month
27.23"
(691.64mm)
25.49"
(647.45mm)
1.74"
(44.19mm)
101st Driest
Driest since:
1956
28th Wettest
Wettest since:
2015
Feb–Dec 2014
11-Month
29.48"
(748.79mm)
27.62"
(701.55mm)
1.86"
(47.24mm)
103rd Driest
Driest since:
1910
26th Wettest
Wettest since:
2018
Jan–Dec 2014
12-Month
30.85"
(783.59mm)
29.94"
(760.48mm)
0.91"
(23.11mm)
84th Driest
Driest since:
1910
45th Wettest
Wettest since:
1973
Jul 2013–Dec 2014
18-Month
46.21"
(1,173.73mm)
44.58"
(1,132.33mm)
1.63"
(41.40mm)
88th Driest
Driest since:
1954
40th Wettest
Wettest since:
2019
Jan 2013–Dec 2014
24-Month
61.91"
(1,572.51mm)
59.90"
(1,521.46mm)
2.01"
(51.05mm)
89th Driest
Driest since:
1931
39th Wettest
Wettest since:
2019
Jan 2012–Dec 2014
36-Month
89.44"
(2,271.78mm)
89.86"
(2,282.44mm)
-0.42"
(-10.66mm)
55th Driest
Driest since:
1956
72nd Wettest
Wettest since:
2019
Jan 2011–Dec 2014
48-Month
119.54"
(3,036.32mm)
119.78"
(3,042.41mm)
-0.24"
(-6.09mm)
54th Driest
Driest since:
1956
72nd Wettest
Wettest since:
2019
Jan 2010–Dec 2014
60-Month
150.91"
(3,833.11mm)
149.68"
(3,801.87mm)
1.23"
(31.24mm)
69th Driest
Driest since:
1956
56th Wettest
Wettest since:
2019

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