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 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, April 2015

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
April 2015
1-Month
2.83"
(71.88mm)
2.52"
(64.01mm)
0.31"
(7.87mm)
93rd Driest Driest since: 2012 1987
34th Wettest Wettest since: 2014 1957
Ties: 1995, 2009
Mar–Apr 2015
2-Month
4.96"
(125.98mm)
5.03"
(127.76mm)
-0.07"
(-1.78mm)
63rd Driest Driest since: 2013 1910
64th Wettest Wettest since: 2014 1973
Feb–Apr 2015
3-Month
6.70"
(170.18mm)
7.16"
(181.86mm)
-0.46"
(-11.68mm)
42nd Driest Driest since: 2013 1910
85th Wettest Wettest since: 2014 1983
Jan–Apr 2015
4-Month
8.53"
(216.66mm)
9.47"
(240.54mm)
-0.94"
(-23.88mm)
23rd Driest Driest since: 2002 1910
104th Wettest Wettest since: 2014 1998
Dec 2014–Apr 2015
5-Month
11.11"
(282.19mm)
11.82"
(300.23mm)
-0.71"
(-18.04mm)
33rd Driest Driest since: 2014 1931
93rd Wettest Wettest since: 2013 1983
Ties: 1928
Nov 2014–Apr 2015
6-Month
13.24"
(336.30mm)
14.05"
(356.87mm)
-0.81"
(-20.57mm)
34th Driest Driest since: 2014 1977
92nd Wettest Wettest since: 2012 1983
Oct 2014–Apr 2015
7-Month
15.66"
(397.76mm)
16.22"
(411.99mm)
-0.56"
(-14.23mm)
45th Driest Driest since: 2014 1981
81st Wettest Wettest since: 2012 1983
Sep 2014–Apr 2015
8-Month
18.30"
(464.82mm)
18.71"
(475.23mm)
-0.41"
(-10.41mm)
47th Driest Driest since: 2013 1918
79th Wettest Wettest since: 2014 2019
Ties: 1899
Aug 2014–Apr 2015
9-Month
21.43"
(544.32mm)
21.33"
(541.78mm)
0.10"
(2.54mm)
65th Driest Driest since: 2014 1918
61st Wettest Wettest since: 2011 2019
Jul 2014–Apr 2015
10-Month
24.03"
(610.36mm)
24.12"
(612.65mm)
-0.09"
(-2.29mm)
55th Driest Driest since: 2013 1931
71st Wettest Wettest since: 2014 2019
Jun 2014–Apr 2015
11-Month
27.70"
(703.58mm)
27.04"
(686.82mm)
0.66"
(16.76mm)
81st Driest Driest since: 2014 1931
45th Wettest Wettest since: 2011 2019
Ties: 1960, 1990
May 2014–Apr 2015
12-Month
30.51"
(774.95mm)
29.95"
(760.73mm)
0.56"
(14.22mm)
73rd Driest Driest since: 2013 1918
53rd Wettest Wettest since: 2014 2019
Ties: 1972
Nov 2013–Apr 2015
18-Month
43.63"
(1,108.20mm)
44.02"
(1,118.11mm)
-0.39"
(-9.91mm)
50th Driest Driest since: 2013 1931
75th Wettest Wettest since: 2014 2020
May 2013–Apr 2015
24-Month
61.43"
(1,560.32mm)
59.92"
(1,521.97mm)
1.51"
(38.35mm)
78th Driest Driest since: 2014 1955
47th Wettest Wettest since: 2011 2020
May 2012–Apr 2015
36-Month
88.93"
(2,258.82mm)
89.88"
(2,282.95mm)
-0.95"
(-24.13mm)
50th Driest Driest since: 2014 1955
74th Wettest Wettest since: 2012 2020
May 2011–Apr 2015
48-Month
118.11"
(2,999.99mm)
119.77"
(3,042.16mm)
-1.66"
(-42.17mm)
47th Driest Driest since: 2004 1956
76th Wettest Wettest since: 2014 2019
May 2010–Apr 2015
60-Month
150.13"
(3,813.30mm)
149.63"
(3,800.60mm)
0.50"
(12.70mm)
65th Driest Driest since: 2004 1957
57th Wettest Wettest since: 2014 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2020, retrieved on September 29, 2020 from https://www.ncdc.noaa.gov/cag/