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 May 2022. 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
(1895-2021)
Wettest/Driest
Since
Record
August 2020
1-Month
2.42"
(61.47mm)
2.62"
(66.55mm)
-0.20"
(-5.08mm)
36th Driest Driest since: 2015 1929
92nd Wettest Wettest since: 2019 1977
Ties: 1900, 1998
Jul–Aug 2020
2-Month
5.36"
(136.14mm)
5.40"
(137.16mm)
-0.04"
(-1.02mm)
49th Driest Driest since: 2012 1930
79th 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
92nd Wettest Wettest since: 2019 1928
Ties: 1990
May–Aug 2020
4-Month
11.18"
(283.97mm)
11.23"
(285.24mm)
-0.05"
(-1.27mm)
53rd Driest Driest since: 2012 1936
75th Wettest Wettest since: 2019 1915
Apr–Aug 2020
5-Month
13.70"
(347.98mm)
13.75"
(349.25mm)
-0.05"
(-1.27mm)
52nd Driest Driest since: 2012 1934
76th Wettest Wettest since: 2019 2019
Ties: 1921, 1953
Mar–Aug 2020
6-Month
16.56"
(420.62mm)
16.26"
(413.00mm)
0.30"
(7.62mm)
67th Driest Driest since: 2012 1936
61st Wettest Wettest since: 2019 1905
Feb–Aug 2020
7-Month
19.01"
(482.85mm)
18.40"
(467.36mm)
0.61"
(15.49mm)
73rd Driest Driest since: 2012 1934
55th Wettest Wettest since: 2019 2019
Jan–Aug 2020
8-Month
21.77"
(552.96mm)
20.71"
(526.03mm)
1.06"
(26.93mm)
94th Driest Driest since: 2018 1934
34th Wettest Wettest since: 2019 2019
Dec 2019–Aug 2020
9-Month
24.34"
(618.24mm)
23.05"
(585.47mm)
1.29"
(32.77mm)
95th Driest Driest since: 2018 1931
32nd Wettest Wettest since: 2019 2019
Ties: 1907
Nov 2019–Aug 2020
10-Month
26.28"
(667.51mm)
25.28"
(642.11mm)
1.00"
(25.40mm)
82nd Driest Driest since: 2018 1934
45th Wettest Wettest since: 2019 2019
Oct 2019–Aug 2020
11-Month
29.47"
(748.54mm)
27.45"
(697.23mm)
2.02"
(51.31mm)
101st Driest Driest since: 2018 1934
26th Wettest Wettest since: 2019 2019
Ties: 1938
Sep 2019–Aug 2020
12-Month
31.92"
(810.77mm)
29.94"
(760.48mm)
1.98"
(50.29mm)
99th Driest Driest since: 2018 1934
28th Wettest Wettest since: 2019 2019
Mar 2019–Aug 2020
18-Month
50.75"
(1,289.05mm)
46.22"
(1,173.99mm)
4.53"
(115.06mm)
118th Driest Driest since: 2018 1931
9th Wettest Wettest since: 2019 2019
Sep 2018–Aug 2020
24-Month
69.55"
(1,766.57mm)
59.92"
(1,521.97mm)
9.63"
(244.60mm)
125th Driest Driest since: 2019 1918
1st Wettest Wettest to Date 2020
Sep 2017–Aug 2020
36-Month
99.32"
(2,522.73mm)
89.86"
(2,282.44mm)
9.46"
(240.29mm)
120th Driest Driest since: 2018 1956
5th Wettest Wettest since: 2019 2019
Sep 2016–Aug 2020
48-Month
133.14"
(3,381.76mm)
119.77"
(3,042.16mm)
13.37"
(339.60mm)
122nd Driest Driest since: 2018 1956
2nd Wettest Wettest since: 2019 2019
Sep 2015–Aug 2020
60-Month
167.40"
(4,251.96mm)
149.64"
(3,800.86mm)
17.76"
(451.10mm)
121st 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 June 2022, retrieved on June 26, 2022 from https://www.ncdc.noaa.gov/cag/