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Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Poquessing Creek at Grant Ave at Philadelphia: 01465798

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Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Poquessing Creek at Grant Ave at Philadelphia
OctNovDecJanFebMarAprMayJunJulAugSep
4.8
8.0
10.0
10.9
11.8
13.8
11.0
8.5
5.2
7.6
3.2
5.2


Annual Recharge, in inches -- Poquessing Creek at Grant Ave at Philadelphia
YearRecharge From RORABase Flow from PART
1966
6.0
4.7
1967
9.5
8.8
1968
7.2
6.5
1969
7.2
5.8
1970
6.6
6.4
1971
9.8
7.8
1972
12.6
10.4
1973
9.5
9.1
1974
9.4
9.0
1975
11.9
10.4
1977
8.4
6.0
1978
9.8
9.7
1979
9.9
9.1
1980
6.3
5.9
1981
4.9
4.1
1982
7.6
6.8
1983
11.0
9.5
1984
9.7
8.9
1985
4.6
3.9
1986
8.1
6.9
1987
7.3
6.8
1988
5.0
4.7
1989
9.0
7.8
1990
7.4
6.2
1991
5.9
5.3
1992
6.1
5.0
1993
8.9
7.9
1994
8.3
7.9
1995
5.1
4.5
1996
13.0
10.3
1997
6.8
6.8
1998
6.2
5.7
1999
5.4
4.2
2000
7.5
6.3
2001
6.1
5.4

 

 

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