Climate at a Glance

Statewide 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 September 2019. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, August 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
August 1977
1-Month
4.32"
(109.73mm)
3.87"
(98.30mm)
0.45"
(11.43mm)
88th Driest Driest since: 1976 1930
38th Wettest Wettest since: 1975 1955
Jul–Aug 1977
2-Month
9.89"
(251.21mm)
8.05"
(204.47mm)
1.84"
(46.74mm)
104th Driest Driest since: 1976 1930
22nd Wettest Wettest since: 1967 2018
Jun–Aug 1977
3-Month
13.98"
(355.09mm)
12.22"
(310.39mm)
1.76"
(44.70mm)
92nd Driest Driest since: 1976 1966
34th Wettest Wettest since: 1975 2018
May–Aug 1977
4-Month
15.67"
(398.02mm)
16.15"
(410.21mm)
-0.48"
(-12.19mm)
50th Driest Driest since: 1971 1966
76th Wettest Wettest since: 1976 2018
Apr–Aug 1977
5-Month
19.82"
(503.43mm)
19.79"
(502.67mm)
0.03"
(0.76mm)
58th Driest Driest since: 1976 1966
68th Wettest Wettest since: 1975 2018
Mar–Aug 1977
6-Month
25.11"
(637.79mm)
23.29"
(591.57mm)
1.82"
(46.22mm)
89th Driest Driest since: 1976 1966
37th Wettest Wettest since: 1975 2011
Feb–Aug 1977
7-Month
26.75"
(679.45mm)
25.89"
(657.61mm)
0.86"
(21.84mm)
74th Driest Driest since: 1976 1995
52nd Wettest Wettest since: 1975 2018
Jan–Aug 1977
8-Month
28.25"
(717.55mm)
28.94"
(735.08mm)
-0.69"
(-17.53mm)
52nd Driest Driest since: 1976 1963
74th Wettest Wettest since: 1975 2018
Dec 1976–Aug 1977
9-Month
30.26"
(768.60mm)
32.03"
(813.56mm)
-1.77"
(-44.96mm)
35th Driest Driest since: 1971 1966
90th Wettest Wettest since: 1976 2018
Nov 1976–Aug 1977
10-Month
31.21"
(792.73mm)
35.24"
(895.10mm)
-4.03"
(-102.37mm)
19th Driest Driest since: 1968 1966
106th Wettest Wettest since: 1976 2019
Oct 1976–Aug 1977
11-Month
38.12"
(968.25mm)
38.42"
(975.87mm)
-0.30"
(-7.62mm)
55th Driest Driest since: 1976 1925
70th Wettest Wettest since: 1975 2019
Sep 1976–Aug 1977
12-Month
42.22"
(1,072.39mm)
41.98"
(1,066.29mm)
0.24"
(6.10mm)
57th Driest Driest since: 1970 1965
68th Wettest Wettest since: 1976 2019
Mar 1976–Aug 1977
18-Month
63.46"
(1,611.88mm)
65.21"
(1,656.33mm)
-1.75"
(-44.45mm)
41st Driest Driest since: 1970 1966
84th Wettest Wettest since: 1976 2019
Sep 1975–Aug 1977
24-Month
87.34"
(2,218.44mm)
83.89"
(2,130.81mm)
3.45"
(87.63mm)
80th Driest Driest since: 1971 1966
44th Wettest Wettest since: 1976 2019
Sep 1974–Aug 1977
36-Month
133.56"
(3,392.42mm)
125.89"
(3,197.61mm)
7.67"
(194.81mm)
92nd Driest Driest since: 1971 1966
31st Wettest Wettest since: 1976 2019
Sep 1973–Aug 1977
48-Month
179.23"
(4,552.44mm)
167.87"
(4,263.90mm)
11.36"
(288.54mm)
99th Driest Driest since: 1972 1966
23rd Wettest Wettest since: 1976 2019
Ties: 1980
Sep 1972–Aug 1977
60-Month
226.21"
(5,745.73mm)
209.80"
(5,328.92mm)
16.41"
(416.81mm)
103rd Driest Driest since: 1973 1966
18th Wettest Wettest since: 1976 2007

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/