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 December 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, August 1977

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
August 1977
1-Month
3.55"
(90.17mm)
2.62"
(66.55mm)
0.93"
(23.62mm)
126th Driest Driest since: 1976 1929
1st Wettest Wettest to Date 1977
Jul–Aug 1977
2-Month
6.11"
(155.19mm)
5.40"
(137.16mm)
0.71"
(18.03mm)
117th Driest Driest since: 1976 1930
10th Wettest Wettest since: 1958 1915
Jun–Aug 1977
3-Month
8.60"
(218.44mm)
8.32"
(211.33mm)
0.28"
(7.11mm)
76th Driest Driest since: 1976 1930
51st Wettest Wettest since: 1975 1928
Ties: 1986, 1998
May–Aug 1977
4-Month
11.27"
(286.26mm)
11.23"
(285.24mm)
0.04"
(1.02mm)
56th Driest Driest since: 1976 1936
71st Wettest Wettest since: 1975 1915
Ties: 1951
Apr–Aug 1977
5-Month
13.54"
(343.92mm)
13.75"
(349.25mm)
-0.21"
(-5.33mm)
46th Driest Driest since: 1976 1934
81st Wettest Wettest since: 1975 2019
Ties: 1955
Mar–Aug 1977
6-Month
16.64"
(422.66mm)
16.26"
(413.00mm)
0.38"
(9.66mm)
68th Driest Driest since: 1976 1936
59th Wettest Wettest since: 1975 1905
Feb–Aug 1977
7-Month
17.87"
(453.90mm)
18.40"
(467.36mm)
-0.53"
(-13.46mm)
43rd Driest Driest since: 1976 1934
84th Wettest Wettest since: 1975 2019
Ties: 1896
Jan–Aug 1977
8-Month
19.45"
(494.03mm)
20.71"
(526.03mm)
-1.26"
(-32.00mm)
24th Driest Driest since: 1976 1934
103rd Wettest Wettest since: 1975 2019
Dec 1976–Aug 1977
9-Month
20.81"
(528.57mm)
23.05"
(585.47mm)
-2.24"
(-56.90mm)
11th Driest Driest since: 1963 1931
115th Wettest Wettest since: 1976 2019
Ties: 1954
Nov 1976–Aug 1977
10-Month
21.92"
(556.77mm)
25.28"
(642.11mm)
-3.36"
(-85.34mm)
6th Driest Driest since: 1934 1934
120th Wettest Wettest since: 1976 2019
Oct 1976–Aug 1977
11-Month
24.36"
(618.74mm)
27.45"
(697.23mm)
-3.09"
(-78.49mm)
12th Driest Driest since: 1963 1934
114th Wettest Wettest since: 1976 2019
Sep 1976–Aug 1977
12-Month
26.81"
(680.97mm)
29.94"
(760.48mm)
-3.13"
(-79.51mm)
10th Driest Driest since: 1954 1934
116th Wettest Wettest since: 1976 2019
Mar 1976–Aug 1977
18-Month
42.11"
(1,069.59mm)
46.22"
(1,173.99mm)
-4.11"
(-104.40mm)
10th Driest Driest since: 1955 1931
116th Wettest Wettest since: 1976 2019
Sep 1975–Aug 1977
24-Month
55.11"
(1,399.79mm)
59.92"
(1,521.97mm)
-4.81"
(-122.18mm)
12th Driest Driest since: 1964 1918
113th Wettest Wettest since: 1976 2020
Sep 1974–Aug 1977
36-Month
88.12"
(2,238.25mm)
89.86"
(2,282.44mm)
-1.74"
(-44.19mm)
41st Driest Driest since: 1968 1956
83rd Wettest Wettest since: 1976 2019
Sep 1973–Aug 1977
48-Month
121.50"
(3,086.10mm)
119.77"
(3,042.16mm)
1.73"
(43.94mm)
72nd Driest Driest since: 1972 1956
51st Wettest Wettest since: 1976 2019
Sep 1972–Aug 1977
60-Month
155.93"
(3,960.62mm)
149.64"
(3,800.86mm)
6.29"
(159.76mm)
101st Driest Driest since: 1973 1934
21st Wettest Wettest since: 1976 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published January 2021, retrieved on January 19, 2021 from https://www.ncdc.noaa.gov/cag/