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 July 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, April 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 2018
1-Month
2.46"
(62.48mm)
2.52"
(64.01mm)
-0.06"
(-1.53mm)
55th Driest Driest since: 2012 1987
71st Wettest Wettest since: 2017 1957
Ties: 1968
Mar–Apr 2018
2-Month
4.93"
(125.22mm)
5.03"
(127.76mm)
-0.10"
(-2.54mm)
61st Driest Driest since: 2013 1910
65th Wettest Wettest since: 2017 1973
Feb–Apr 2018
3-Month
7.81"
(198.37mm)
7.16"
(181.86mm)
0.65"
(16.51mm)
97th Driest Driest since: 2015 1910
29th Wettest Wettest since: 2017 1983
Ties: 1984
Jan–Apr 2018
4-Month
9.66"
(245.36mm)
9.48"
(240.79mm)
0.18"
(4.57mm)
75th Driest Driest since: 2015 1910
51st Wettest Wettest since: 2017 1998
Dec 2017–Apr 2018
5-Month
11.25"
(285.75mm)
11.82"
(300.23mm)
-0.57"
(-14.48mm)
37th Driest Driest since: 2015 1931
88th Wettest Wettest since: 2017 1983
Nov 2017–Apr 2018
6-Month
12.87"
(326.90mm)
14.05"
(356.87mm)
-1.18"
(-29.97mm)
19th Driest Driest since: 2000 1977
106th Wettest Wettest since: 2017 1983
Oct 2017–Apr 2018
7-Month
15.47"
(392.94mm)
16.22"
(411.99mm)
-0.75"
(-19.05mm)
37th Driest Driest since: 2014 1981
88th Wettest Wettest since: 2017 1983
Sep 2017–Apr 2018
8-Month
17.74"
(450.60mm)
18.71"
(475.23mm)
-0.97"
(-24.63mm)
34th Driest Driest since: 2002 1918
91st Wettest Wettest since: 2017 2019
Aug 2017–Apr 2018
9-Month
21.16"
(537.46mm)
21.33"
(541.78mm)
-0.17"
(-4.32mm)
54th Driest Driest since: 2014 1918
71st Wettest Wettest since: 2017 2019
Jul 2017–Apr 2018
10-Month
23.96"
(608.58mm)
24.12"
(612.65mm)
-0.16"
(-4.07mm)
52nd Driest Driest since: 2013 1931
73rd Wettest Wettest since: 2017 2019
Jun 2017–Apr 2018
11-Month
27.03"
(686.56mm)
27.04"
(686.82mm)
-0.01"
(-0.26mm)
53rd Driest Driest since: 2013 1931
72nd Wettest Wettest since: 2017 2019
May 2017–Apr 2018
12-Month
30.39"
(771.91mm)
29.95"
(760.73mm)
0.44"
(11.18mm)
66th Driest Driest since: 2013 1918
59th Wettest Wettest since: 2017 2019
Nov 2016–Apr 2018
18-Month
46.44"
(1,179.58mm)
44.02"
(1,118.11mm)
2.42"
(61.47mm)
99th Driest Driest since: 2015 1931
25th Wettest Wettest since: 2017 1974
Ties: 1950
May 2016–Apr 2018
24-Month
63.50"
(1,612.90mm)
59.92"
(1,521.97mm)
3.58"
(90.93mm)
104th Driest Driest since: 2015 1955
20th Wettest Wettest since: 2017 2017
May 2015–Apr 2018
36-Month
99.45"
(2,526.03mm)
89.88"
(2,282.95mm)
9.57"
(243.08mm)
116th Driest Driest since: 2016 1955
7th Wettest Wettest since: 2017 1984
May 2014–Apr 2018
48-Month
129.96"
(3,300.98mm)
119.77"
(3,042.16mm)
10.19"
(258.82mm)
114th Driest Driest since: 2016 1956
8th Wettest Wettest since: 2017 2019
May 2013–Apr 2018
60-Month
160.88"
(4,086.35mm)
149.63"
(3,800.60mm)
11.25"
(285.75mm)
115th Driest Driest since: 2017 1957
6th Wettest Wettest since: 1999 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 25, 2019 from https://www.ncdc.noaa.gov/cag/