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Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Bald Eagle Creek at Tyrone: 01557500

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Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Bald Eagle Creek at Tyrone
OctNovDecJanFebMarAprMayJunJulAugSep
4.3
8.0
9.2
9.4
12.5
19.6
14.4
10.7
4.6
2.6
2.1
2.6


Annual Recharge, in inches -- Bald Eagle Creek at Tyrone
YearRecharge From RORABase Flow from PART
1945
25.7
23.1
1946
22.2
17.6
1947
17.9
16.1
1948
23.6
18.1
1949
17.3
15.1
1950
26.5
24.4
1951
22.3
18.8
1952
23.8
19.2
1953
19.2
16.3
1954
19.7
13.1
1955
14.4
15.3
1956
27.6
22.9
1957
15.0
14.2
1958
15.9
16.1
1959
21.9
16.4
1960
16.2
14.3
1961
17.4
15.2
1962
14.7
12.9
1963
11.7
10.4
1964
14.7
12.5
1965
12.8
11.6
1966
14.7
11.9
1967
23.0
20.2
1968
15.2
13.2
1969
15.4
13.9
1970
22.6
19.8
1971
19.8
18.3
1972
30.6
24.7
1973
18.6
17.0
1974
19.4
16.8
1975
25.1
20.6
1976
18.8
14.9
1977
21.4
16.6
1978
24.3
19.8
1979
28.7
21.9
1980
14.3
12.9
1981
19.0
15.3
1982
19.7
18.2
1983
18.5
16.1
1984
21.5
17.8
1985
15.9
14.1
1986
19.8
16.2
1987
17.0
14.6
1988
13.7
11.1
1989
18.0
16.5
1990
27.4
22.4
1991
15.0
14.0
1992
18.2
15.3
1993
21.2
17.5
1994
21.5
19.7
1995
15.1
13.9
1996
29.6
22.3
1997
17.9
15.4
1998
18.3
16.6
1999
13.6
11.1
2000
14.3
11.6
2001
12.1
10.2

 

 

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