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Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

West Conewago Creek near Manchester: 01574000

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Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- West Conewago Creek near Manchester
OctNovDecJanFebMarAprMayJunJulAugSep
4.1
7.7
10.2
11.7
14.3
18.8
12.8
8.5
4.0
3.0
2.0
3.0


Annual Recharge, in inches -- West Conewago Creek near Manchester
YearRecharge From RORABase Flow from PART
1929
8.8
7.5
1930
5.5
4.7
1931
2.4
1.9
1932
7.3
5.3
1933
10.7
8.8
1934
8.6
6.5
1935
8.0
6.6
1936
9.0
7.7
1937
11.2
9.6
1938
7.1
5.1
1939
7.1
5.8
1940
11.5
8.9
1941
4.6
4.8
1942
13.0
8.6
1943
8.2
7.7
1944
8.4
6.8
1945
13.2
9.5
1946
8.4
6.9
1947
6.7
5.6
1948
11.7
8.4
1949
7.7
7.2
1950
10.9
8.7
1951
10.5
8.4
1952
13.8
10.9
1953
11.3
9.1
1954
5.1
3.6
1955
6.2
5.8
1956
9.9
8.1
1957
8.6
6.4
1958
10.3
9.0
1959
5.5
4.4
1960
8.5
7.8
1961
8.7
7.2
1962
8.6
6.9
1963
6.9
5.5
1964
8.8
7.0
1965
5.3
4.0
1966
6.1
4.0
1967
9.0
7.6
1968
7.6
6.1
1969
5.9
5.0
1970
13.9
11.2
1971
13.3
10.2
1972
15.5
11.9
1973
12.8
9.8
1974
8.9
8.1
1975
15.4
12.3
1976
10.8
8.3
1977
9.0
7.2
1978
11.5
8.7
1979
16.6
12.3
1980
7.8
5.8
1981
4.9
4.1
1982
8.6
6.6
1983
10.8
8.7
1984
12.8
10.8
1985
7.2
6.2
1986
10.7
7.8
1987
9.6
8.2
1988
7.4
6.2
1989
11.3
8.6
1990
13.6
10.0
1991
7.1
6.6
1992
10.0
7.5
1993
15.8
12.5
1994
11.4
11.7
1995
8.3
6.7
1996
22.6
15.3
1997
7.4
6.5
1998
13.9
11.4
1999
7.2
5.8
2000
8.6
6.8
2001
6.1
5.4

 

 

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