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Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Pennypack Cr at Lower Rhawn St Bdg Phila: 01467048

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Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Pennypack Cr at Lower Rhawn St Bdg Phila
OctNovDecJanFebMarAprMayJunJulAugSep
5.4
8.2
10.0
10.7
10.2
15.3
11.3
8.5
5.0
5.6
4.2
5.6


Annual Recharge, in inches -- Pennypack Cr at Lower Rhawn St Bdg Phila
YearRecharge From RORABase Flow from PART
1966
9.5
7.5
1967
15.3
14.1
1968
10.9
10.4
1969
11.1
8.9
1970
11.5
11.2
1971
18.9
15.8
1972
25.6
21.7
1973
22.8
21.8
1974
16.2
15.3
1975
21.8
19.5
1976
11.7
11.0
1977
12.6
10.4
1978
17.3
16.8
1979
21.6
18.8
1980
11.9
11.9
1981
9.5
8.2
1982
13.4
12.1
1983
19.5
16.7
1984
14.6
15.1
1985
9.0
7.3
1986
14.2
11.7
1987
14.4
13.7
1988
12.0
11.0
1989
15.6
14.5
1990
14.5
12.2
1991
11.8
11.3
1992
10.6
9.2
1993
16.5
14.5
1994
14.1
13.7
1995
9.8
8.7
1996
22.2
18.3
1998
11.4
10.8
1999
11.4
9.5
2000
13.9
13.1

 

 

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