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


Contiguous U.S.

Precipitation Rankings, August 2020

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
August 2020
1-Month
2.41"
(61.21mm)
2.62"
(66.55mm)
-0.21"
(-5.34mm)
33rd Driest Driest since: 2015 1929
94th Wettest Wettest since: 2019 1977
Ties: 1909, 2001, 2015
Jul–Aug 2020
2-Month
5.35"
(135.89mm)
5.40"
(137.16mm)
-0.05"
(-1.27mm)
49th Driest Driest since: 2012 1930
78th Wettest Wettest since: 2019 1915
Jun–Aug 2020
3-Month
8.09"
(205.49mm)
8.32"
(211.33mm)
-0.23"
(-5.84mm)
36th Driest Driest since: 2012 1930
91st Wettest Wettest since: 2019 1928
Ties: 1990
May–Aug 2020
4-Month
11.17"
(283.72mm)
11.23"
(285.24mm)
-0.06"
(-1.52mm)
53rd Driest Driest since: 2012 1936
74th Wettest Wettest since: 2019 1915
Apr–Aug 2020
5-Month
13.69"
(347.73mm)
13.75"
(349.25mm)
-0.06"
(-1.52mm)
52nd Driest Driest since: 2012 1934
75th Wettest Wettest since: 2019 2019
Mar–Aug 2020
6-Month
16.55"
(420.37mm)
16.26"
(413.00mm)
0.29"
(7.37mm)
67th Driest Driest since: 2012 1936
60th Wettest Wettest since: 2019 1905
Feb–Aug 2020
7-Month
19.00"
(482.60mm)
18.40"
(467.36mm)
0.60"
(15.24mm)
73rd Driest Driest since: 2012 1934
54th Wettest Wettest since: 2019 2019
Jan–Aug 2020
8-Month
21.75"
(552.45mm)
20.71"
(526.03mm)
1.04"
(26.42mm)
93rd Driest Driest since: 2018 1934
34th Wettest Wettest since: 2019 2019
Dec 2019–Aug 2020
9-Month
24.32"
(617.73mm)
23.05"
(585.47mm)
1.27"
(32.26mm)
93rd Driest Driest since: 2018 1931
33rd Wettest Wettest since: 2019 2019
Nov 2019–Aug 2020
10-Month
26.26"
(667.00mm)
25.28"
(642.11mm)
0.98"
(24.89mm)
80th Driest Driest since: 2018 1934
46th Wettest Wettest since: 2019 2019
Oct 2019–Aug 2020
11-Month
29.45"
(748.03mm)
27.45"
(697.23mm)
2.00"
(50.80mm)
99th Driest Driest since: 2018 1934
27th Wettest Wettest since: 2019 2019
Sep 2019–Aug 2020
12-Month
31.90"
(810.26mm)
29.94"
(760.48mm)
1.96"
(49.78mm)
98th Driest Driest since: 2018 1934
28th Wettest Wettest since: 2019 2019
Mar 2019–Aug 2020
18-Month
50.73"
(1,288.54mm)
46.22"
(1,173.99mm)
4.51"
(114.55mm)
117th Driest Driest since: 2018 1931
9th Wettest Wettest since: 2019 2019
Sep 2018–Aug 2020
24-Month
69.53"
(1,766.06mm)
59.92"
(1,521.97mm)
9.61"
(244.09mm)
124th Driest Driest since: 2019 1918
1st Wettest Wettest to Date 2020
Sep 2017–Aug 2020
36-Month
99.30"
(2,522.22mm)
89.86"
(2,282.44mm)
9.44"
(239.78mm)
120th Driest Driest since: 2018 1956
4th Wettest Wettest since: 2019 2019
Sep 2016–Aug 2020
48-Month
133.12"
(3,381.25mm)
119.77"
(3,042.16mm)
13.35"
(339.09mm)
121st Driest Driest since: 2018 1956
2nd Wettest Wettest since: 2019 2019
Sep 2015–Aug 2020
60-Month
167.38"
(4,251.45mm)
149.64"
(3,800.86mm)
17.74"
(450.59mm)
120th Driest Driest since: 2018 1934
2nd Wettest Wettest since: 2019 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2021, retrieved on May 16, 2021 from https://www.ncdc.noaa.gov/cag/