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Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Swatara Creek near Hershey: 01573560

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Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Swatara Creek near Hershey
OctNovDecJanFebMarAprMayJunJulAugSep
5.8
8.7
10.1
10.2
10.9
15.9
13.3
8.7
5.2
4.3
3.0
3.8


Annual Recharge, in inches -- Swatara Creek near Hershey
YearRecharge From RORABase Flow from PART
1976
21.1
16.2
1977
20.1
15.5
1978
17.8
15.8
1979
24.3
18.6
1980
10.5
9.3
1981
7.6
6.9
1982
16.5
12.6
1983
22.9
17.6
1984
19.6
16.8
1985
10.7
8.9
1986
19.6
14.4
1987
15.6
12.8
1988
12.5
10.4
1989
16.8
15.1
1990
19.9
15.2
1991
12.9
10.6
1992
18.2
13.4
1993
19.9
17.8
1994
24.3
20.0
1995
13.3
11.7
1996
30.0
22.4
1997
12.4
11.8
1998
21.8
17.4
1999
14.1
10.7
2000
16.3
13.5
2001
10.8
9.2

 

 

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