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 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, April 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
April 2017
1-Month
3.50"
(88.90mm)
2.52"
(64.01mm)
0.98"
(24.89mm)
125th Driest Driest since: 2016 1987
2nd Wettest Wettest since: 1957 1957
Mar–Apr 2017
2-Month
6.09"
(154.69mm)
5.03"
(127.76mm)
1.06"
(26.93mm)
116th Driest Driest since: 2016 1910
11th Wettest Wettest since: 2011 1973
Feb–Apr 2017
3-Month
8.34"
(211.84mm)
7.16"
(181.86mm)
1.18"
(29.98mm)
113th Driest Driest since: 2016 1910
14th Wettest Wettest since: 1998 1983
Jan–Apr 2017
4-Month
11.58"
(294.13mm)
9.48"
(240.79mm)
2.10"
(53.34mm)
122nd Driest Driest since: 2016 1910
5th Wettest Wettest since: 1998 1998
Dec 2016–Apr 2017
5-Month
14.30"
(363.22mm)
11.82"
(300.23mm)
2.48"
(62.99mm)
120th Driest Driest since: 2016 1931
6th Wettest Wettest since: 1998 1983
Nov 2016–Apr 2017
6-Month
16.05"
(407.67mm)
14.05"
(356.87mm)
2.00"
(50.80mm)
113th Driest Driest since: 2015 1977
13th Wettest Wettest since: 2016 1983
Oct 2016–Apr 2017
7-Month
18.44"
(468.38mm)
16.22"
(411.99mm)
2.22"
(56.39mm)
114th Driest Driest since: 2015 1981
12th Wettest Wettest since: 2016 1983
Sep 2016–Apr 2017
8-Month
21.17"
(537.72mm)
18.71"
(475.23mm)
2.46"
(62.49mm)
114th Driest Driest since: 2015 1918
12th Wettest Wettest since: 2016 2019
Aug 2016–Apr 2017
9-Month
24.64"
(625.86mm)
21.33"
(541.78mm)
3.31"
(84.08mm)
119th Driest Driest since: 2015 1918
7th Wettest Wettest since: 2016 2019
Jul 2016–Apr 2017
10-Month
27.56"
(700.02mm)
24.12"
(612.65mm)
3.44"
(87.37mm)
119th Driest Driest since: 2015 1931
7th Wettest Wettest since: 2016 2019
Jun 2016–Apr 2017
11-Month
30.04"
(763.02mm)
27.04"
(686.82mm)
3.00"
(76.20mm)
115th Driest Driest since: 2015 1931
11th Wettest Wettest since: 2016 2019
May 2016–Apr 2017
12-Month
33.11"
(840.99mm)
29.95"
(760.73mm)
3.16"
(80.26mm)
113th Driest Driest since: 2015 1918
13th Wettest Wettest since: 2016 2019
Nov 2015–Apr 2017
18-Month
50.41"
(1,280.41mm)
44.02"
(1,118.11mm)
6.39"
(162.30mm)
120th Driest Driest since: 2016 1931
5th Wettest Wettest since: 1998 2020
May 2015–Apr 2017
24-Month
69.06"
(1,754.12mm)
59.92"
(1,521.97mm)
9.14"
(232.15mm)
123rd Driest Driest since: 2016 1955
2nd Wettest Wettest to Date 2020
May 2014–Apr 2017
36-Month
99.57"
(2,529.08mm)
89.88"
(2,282.95mm)
9.69"
(246.13mm)
117th Driest Driest since: 2016 1955
7th Wettest Wettest since: 1999 2020
May 2013–Apr 2017
48-Month
130.49"
(3,314.45mm)
119.77"
(3,042.16mm)
10.72"
(272.29mm)
117th Driest Driest since: 2016 1956
6th Wettest Wettest since: 1999 2019
May 2012–Apr 2017
60-Month
157.99"
(4,012.95mm)
149.63"
(3,800.60mm)
8.36"
(212.35mm)
107th Driest Driest since: 2016 1957
15th Wettest Wettest since: 2000 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2020, retrieved on August 12, 2020 from https://www.ncdc.noaa.gov/cag/