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

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(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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