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 2017

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
November 2017
1-Month 		1.62"
(41.15mm)		 2.23"
(56.64mm)		 -0.61"
(-15.49mm)		 22nd Driest
Driest since:
 1917
107th Wettest
Wettest since:
 1983
Oct–Nov 2017
2-Month 		4.22"
(107.19mm)		 4.40"
(111.76mm)		 -0.18"
(-4.57mm)		 50th Driest
Driest since:
 1917
79th Wettest
Wettest since:
 1985
Sep–Nov 2017
3-Month 		6.49"
(164.85mm)		 6.88"
(174.75mm)		 -0.39"
(-9.90mm)		 42nd Driest
Driest since:
 1939
87th Wettest
Wettest since:
 1985
Ties: 1928
Aug–Nov 2017
4-Month 		9.91"
(251.71mm)		 9.50"
(241.30mm)		 0.41"
(10.41mm)		 76th Driest
Driest since:
 1952
53rd Wettest
Wettest since:
 2018
Ties: 1951
Jul–Nov 2017
5-Month 		12.71"
(322.83mm)		 12.28"
(311.91mm)		 0.43"
(10.92mm)		 73rd Driest
Driest since:
 1952
56th Wettest
Wettest since:
 2018
Ties: 1928
Jun–Nov 2017
6-Month 		15.78"
(400.81mm)		 15.20"
(386.08mm)		 0.58"
(14.73mm)		 75th Driest
Driest since:
 1952
54th Wettest
Wettest since:
 2004
May–Nov 2017
7-Month 		19.14"
(486.16mm)		 18.12"
(460.25mm)		 1.02"
(25.91mm)		 88th Driest
Driest since:
 1952
41st Wettest
Wettest since:
 2004
Apr–Nov 2017
8-Month 		22.64"
(575.06mm)		 20.63"
(524.00mm)		 2.01"
(51.06mm)		 110th Driest
Driest since:
 1952
19th Wettest
Wettest since:
 2015
Mar–Nov 2017
9-Month 		25.23"
(640.84mm)		 23.14"
(587.76mm)		 2.09"
(53.08mm)		 109th Driest
Driest since:
 1956
20th Wettest
Wettest since:
 1973
Feb–Nov 2017
10-Month 		27.48"
(697.99mm)		 25.28"
(642.11mm)		 2.20"
(55.88mm)		 109th Driest
Driest since:
 1910
20th Wettest
Wettest since:
 2019
Jan–Nov 2017
11-Month 		30.72"
(780.29mm)		 27.59"
(700.79mm)		 3.13"
(79.50mm)		 119th Driest
Driest since:
 1910
10th Wettest
Wettest since:
 2019
Dec 2016–Nov 2017
12-Month 		33.44"
(849.38mm)		 29.94"
(760.48mm)		 3.50"
(88.90mm)		 120th Driest
Driest since:
 1931
8th Wettest
Wettest since:
 2019
Jun 2016–Nov 2017
18-Month 		49.18"
(1,249.17mm)		 45.16"
(1,147.06mm)		 4.02"
(102.11mm)		 115th Driest
Driest since:
 1931
13th Wettest
Wettest since:
 2019
Dec 2015–Nov 2017
24-Month 		66.20"
(1,681.48mm)		 59.90"
(1,521.46mm)		 6.30"
(160.02mm)		 119th Driest
Driest since:
 1931
8th Wettest
Wettest since:
 2019
Dec 2014–Nov 2017
36-Month 		99.31"
(2,522.47mm)		 89.86"
(2,282.44mm)		 9.45"
(240.03mm)		 120th Driest
Driest since:
 1956
6th Wettest
Wettest since:
 2019
Dec 2013–Nov 2017
48-Month 		129.79"
(3,296.67mm)		 119.78"
(3,042.41mm)		 10.01"
(254.26mm)		 118th Driest
Driest since:
 1956
7th Wettest
Wettest since:
 2019
Dec 2012–Nov 2017
60-Month 		161.52"
(4,102.61mm)		 149.66"
(3,801.36mm)		 11.86"
(301.25mm)		 116th Driest
Driest since:
 1956
8th Wettest
Wettest since:
 2019

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