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, April 2021

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
April 2021
1-Month
2.07"
(52.58mm)
2.52"
(64.01mm)
-0.45"
(-11.43mm)
17th Driest Driest since: 1992 1987
111th Wettest Wettest since: 2020 1957
Ties: 1931, 1956
Mar–Apr 2021
2-Month
4.60"
(116.84mm)
5.03"
(127.76mm)
-0.43"
(-10.92mm)
39th Driest Driest since: 2004 1910
89th Wettest Wettest since: 2020 1973
Ties: 1899
Feb–Apr 2021
3-Month
6.63"
(168.40mm)
7.16"
(181.86mm)
-0.53"
(-13.46mm)
34th Driest Driest since: 2007 1910
94th Wettest Wettest since: 2020 1983
Ties: 1959
Jan–Apr 2021
4-Month
8.72"
(221.49mm)
9.48"
(240.79mm)
-0.76"
(-19.30mm)
28th Driest Driest since: 2015 1910
100th Wettest Wettest since: 2020 1998
Dec 2020–Apr 2021
5-Month
10.78"
(273.81mm)
11.82"
(300.23mm)
-1.04"
(-26.42mm)
26th Driest Driest since: 2002 1931
101st Wettest Wettest since: 2020 1983
Nov 2020–Apr 2021
6-Month
12.72"
(323.09mm)
14.05"
(356.87mm)
-1.33"
(-33.78mm)
14th Driest Driest since: 2000 1977
113th Wettest Wettest since: 2020 1983
Ties: 1926
Oct 2020–Apr 2021
7-Month
14.90"
(378.46mm)
16.22"
(411.99mm)
-1.32"
(-33.53mm)
21st Driest Driest since: 2000 1981
106th Wettest Wettest since: 2020 1983
Ties: 1930
Sep 2020–Apr 2021
8-Month
17.33"
(440.18mm)
18.71"
(475.23mm)
-1.38"
(-35.05mm)
26th Driest Driest since: 2000 1918
101st Wettest Wettest since: 2020 2019
Aug 2020–Apr 2021
9-Month
19.76"
(501.90mm)
21.33"
(541.78mm)
-1.57"
(-39.88mm)
27th Driest Driest since: 2001 1918
100th Wettest Wettest since: 2020 2019
Jul 2020–Apr 2021
10-Month
22.70"
(576.58mm)
24.12"
(612.65mm)
-1.42"
(-36.07mm)
31st Driest Driest since: 2002 1931
96th Wettest Wettest since: 2020 2019
Jun 2020–Apr 2021
11-Month
25.43"
(645.92mm)
27.04"
(686.82mm)
-1.61"
(-40.90mm)
28th Driest Driest since: 2013 1931
99th Wettest Wettest since: 2020 2019
May 2020–Apr 2021
12-Month
28.52"
(724.41mm)
29.95"
(760.73mm)
-1.43"
(-36.32mm)
32nd Driest Driest since: 2013 1918
95th Wettest Wettest since: 2020 2019
Ties: 1904
Nov 2019–Apr 2021
18-Month
43.59"
(1,107.19mm)
44.02"
(1,118.11mm)
-0.43"
(-10.92mm)
50th Driest Driest since: 2013 1931
76th Wettest Wettest since: 2020 2020
May 2019–Apr 2021
24-Month
62.61"
(1,590.29mm)
59.92"
(1,521.97mm)
2.69"
(68.32mm)
97th Driest Driest since: 2015 1955
29th Wettest Wettest since: 2020 2020
May 2018–Apr 2021
36-Month
98.87"
(2,511.30mm)
89.88"
(2,282.95mm)
8.99"
(228.35mm)
116th Driest Driest since: 2016 1955
9th Wettest Wettest since: 2020 2020
May 2017–Apr 2021
48-Month
129.28"
(3,283.71mm)
119.77"
(3,042.16mm)
9.51"
(241.55mm)
114th Driest Driest since: 2016 1956
10th Wettest Wettest since: 2020 2019
May 2016–Apr 2021
60-Month
162.39"
(4,124.71mm)
149.63"
(3,800.60mm)
12.76"
(324.11mm)
117th Driest Driest since: 2018 1957
6th Wettest Wettest since: 2020 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2021, retrieved on September 23, 2021 from https://www.ncdc.noaa.gov/cag/