Climate at a Glance

National Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of June 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2017
1-Month
3.36"
(85.34mm)
2.91"
(73.91mm)
0.45"
(11.43mm)
105th Driest Driest since: 2016 1934
21st Wettest Wettest since: 2015 2015
Apr–May 2017
2-Month
6.86"
(174.24mm)
5.43"
(137.92mm)
1.43"
(36.32mm)
120th Driest Driest since: 2016 1934
6th Wettest Wettest since: 2015 1957
Mar–May 2017
3-Month
9.45"
(240.03mm)
7.94"
(201.68mm)
1.51"
(38.35mm)
115th Driest Driest since: 2016 1925
11th Wettest Wettest since: 2011 1957, 1991
Feb–May 2017
4-Month
11.70"
(297.18mm)
10.07"
(255.78mm)
1.63"
(41.40mm)
111th Driest Driest since: 2016 1925
15th Wettest Wettest since: 2011 2019
Ties: 1979
Jan–May 2017
5-Month
14.94"
(379.48mm)
12.39"
(314.71mm)
2.55"
(64.77mm)
121st Driest Driest since: 2016 1934
5th Wettest Wettest since: 1998 2019
Dec 2016–May 2017
6-Month
17.66"
(448.56mm)
14.73"
(374.14mm)
2.93"
(74.42mm)
121st Driest Driest since: 2016 1931
4th Wettest Wettest since: 1983 2019
Nov 2016–May 2017
7-Month
19.41"
(493.01mm)
16.96"
(430.78mm)
2.45"
(62.23mm)
114th Driest Driest since: 2015 1934
11th Wettest Wettest since: 2016 1983
Oct 2016–May 2017
8-Month
21.80"
(553.72mm)
19.13"
(485.90mm)
2.67"
(67.82mm)
114th Driest Driest since: 2015 1934
11th Wettest Wettest since: 2016 2019
Sep 2016–May 2017
9-Month
24.53"
(623.06mm)
21.62"
(549.15mm)
2.91"
(73.91mm)
115th Driest Driest since: 2015 1934
10th Wettest Wettest since: 2016 2019
Aug 2016–May 2017
10-Month
28.00"
(711.20mm)
24.25"
(615.95mm)
3.75"
(95.25mm)
120th Driest Driest since: 2016 1918
5th Wettest Wettest since: 1997 2019
Jul 2016–May 2017
11-Month
30.92"
(785.37mm)
27.03"
(686.56mm)
3.89"
(98.81mm)
119th Driest Driest since: 2015 1931
6th Wettest Wettest since: 2016 2019
Jun 2016–May 2017
12-Month
33.40"
(848.36mm)
29.95"
(760.73mm)
3.45"
(87.63mm)
116th Driest Driest since: 2015 1934
9th Wettest Wettest since: 2016 2019
Dec 2015–May 2017
18-Month
50.42"
(1,280.67mm)
44.70"
(1,135.38mm)
5.72"
(145.29mm)
119th Driest Driest since: 2016 1931
5th Wettest Wettest since: 1984 2019
Jun 2015–May 2017
24-Month
67.98"
(1,726.69mm)
59.92"
(1,521.97mm)
8.06"
(204.72mm)
122nd Driest Driest since: 2016 1931
2nd Wettest Wettest since: 1974 1974
Jun 2014–May 2017
36-Month
100.12"
(2,543.05mm)
89.88"
(2,282.95mm)
10.24"
(260.10mm)
120th Driest Driest since: 2016 1955
3rd Wettest Wettest since: 1975 2019
Jun 2013–May 2017
48-Month
130.50"
(3,314.70mm)
119.78"
(3,042.41mm)
10.72"
(272.29mm)
118th Driest Driest since: 2016 1956
4th Wettest Wettest since: 1998 2019
Jun 2012–May 2017
60-Month
158.85"
(4,034.79mm)
149.64"
(3,800.86mm)
9.21"
(233.93mm)
110th Driest Driest since: 2016 1957
11th Wettest Wettest since: 1999 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published July 2019, retrieved on July 15, 2019 from https://www.ncdc.noaa.gov/cag/