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Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Blacklick Creek at Josephine: 03042000

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Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Blacklick Creek at Josephine
OctNovDecJanFebMarAprMayJunJulAugSep
4.1
9.3
10.2
9.6
12.6
19.1
12.1
8.0
4.1
3.8
3.1
3.9


Annual Recharge, in inches -- Blacklick Creek at Josephine
YearRecharge From RORABase Flow from PART
1953
19.3
15.0
1954
24.2
16.1
1955
15.9
15.4
1956
26.0
20.5
1957
15.1
13.0
1958
16.8
15.3
1959
20.9
14.3
1960
16.0
13.4
1961
21.0
17.5
1962
16.5
13.4
1963
13.2
11.0
1964
17.9
13.9
1965
15.0
12.7
1966
20.6
13.9
1967
21.6
17.5
1968
15.4
12.0
1969
14.1
11.7
1970
22.8
18.9
1971
22.3
19.3
1972
29.9
24.2
1973
26.2
20.0
1974
23.8
20.9
1975
26.4
22.7
1976
21.9
17.1
1977
24.3
18.6
1978
20.7
16.5
1979
26.5
22.4
1980
25.8
21.2
1981
19.6
15.3
1982
18.3
13.6
1983
20.3
17.3
1984
24.5
19.6
1985
19.3
16.1
1986
19.0
13.6
1987
16.3
13.1
1988
17.1
13.2
1989
21.5
18.3
1990
25.4
19.4
1991
16.3
13.9
1992
20.0
15.5
1993
19.8
18.6
1994
23.6
18.0
1995
14.1
12.0
1996
28.9
22.1
1997
22.1
17.9
1998
18.7
16.7
1999
16.1
13.1
2000
16.5
13.3
2001
14.9
11.3

 

 

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