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 August 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 2019

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 2019
1-Month
4.47"
(113.54mm)
2.91"
(73.91mm)
1.56"
(39.63mm)
127th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Apr–May 2019
2-Month
7.68"
(195.07mm)
5.43"
(137.92mm)
2.25"
(57.15mm)
126th Driest Driest since: 2018 1934
2nd Wettest Wettest since: 1957 1957
Mar–May 2019
3-Month
9.92"
(251.97mm)
7.94"
(201.68mm)
1.98"
(50.29mm)
123rd Driest Driest since: 2018 1925
5th Wettest Wettest since: 1995 1957, 1991
Ties: 1995
Feb–May 2019
4-Month
13.20"
(335.28mm)
10.07"
(255.78mm)
3.13"
(79.50mm)
127th Driest Driest since: 2018 1925
1st Wettest Wettest to Date 2019
Jan–May 2019
5-Month
15.76"
(400.30mm)
12.39"
(314.71mm)
3.37"
(85.59mm)
127th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Dec 2018–May 2019
6-Month
19.01"
(482.85mm)
14.73"
(374.14mm)
4.28"
(108.71mm)
126th Driest Driest since: 2018 1931
1st Wettest Wettest to Date 2019
Nov 2018–May 2019
7-Month
21.72"
(551.69mm)
16.96"
(430.78mm)
4.76"
(120.91mm)
125th Driest Driest since: 2018 1934
2nd Wettest Wettest since: 1983 1983
Oct 2018–May 2019
8-Month
25.15"
(638.81mm)
19.13"
(485.90mm)
6.02"
(152.91mm)
126th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Sep 2018–May 2019
9-Month
28.72"
(729.49mm)
21.62"
(549.15mm)
7.10"
(180.34mm)
126th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Aug 2018–May 2019
10-Month
31.70"
(805.18mm)
24.25"
(615.95mm)
7.45"
(189.23mm)
126th Driest Driest since: 2018 1918
1st Wettest Wettest to Date 2019
Jul 2018–May 2019
11-Month
34.56"
(877.82mm)
27.03"
(686.56mm)
7.53"
(191.26mm)
126th Driest Driest since: 2018 1931
1st Wettest Wettest to Date 2019
Jun 2018–May 2019
12-Month
37.71"
(957.83mm)
29.95"
(760.73mm)
7.76"
(197.10mm)
126th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Dec 2017–May 2019
18-Month
52.00"
(1,320.80mm)
44.70"
(1,135.38mm)
7.30"
(185.42mm)
125th Driest Driest since: 2018 1931
1st Wettest Wettest to Date 2019
Jun 2017–May 2019
24-Month
67.78"
(1,721.61mm)
59.92"
(1,521.97mm)
7.86"
(199.64mm)
120th Driest Driest since: 2018 1931
6th Wettest Wettest since: 2017 2020
Jun 2016–May 2019
36-Month
101.18"
(2,569.97mm)
89.88"
(2,282.95mm)
11.30"
(287.02mm)
124th Driest Driest since: 2018 1955
1st Wettest Wettest to Date 2019
Jun 2015–May 2019
48-Month
135.76"
(3,448.30mm)
119.78"
(3,042.41mm)
15.98"
(405.89mm)
123rd Driest Driest since: 2018 1956
1st Wettest Wettest to Date 2019
Jun 2014–May 2019
60-Month
167.90"
(4,264.66mm)
149.64"
(3,800.86mm)
18.26"
(463.80mm)
121st Driest Driest since: 2018 1957
2nd Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2021, retrieved on September 25, 2021 from https://www.ncdc.noaa.gov/cag/