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Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Chester Creek near Chester: 01477000

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Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Chester Creek near Chester
OctNovDecJanFebMarAprMayJunJulAugSep
6.0
8.5
9.1
10.8
12.0
15.6
10.9
7.8
4.3
4.9
4.3
5.7


Annual Recharge, in inches -- Chester Creek near Chester
YearRecharge From RORABase Flow from PART
1932
8.8
7.2
1933
14.5
13.7
1934
12.5
11.0
1935
14.9
13.3
1936
14.7
13.5
1937
11.1
10.3
1938
13.6
11.9
1939
15.6
15.1
1940
13.0
11.4
1941
8.7
8.7
1942
10.5
8.2
1943
12.3
12.2
1944
10.5
9.6
1945
18.5
14.7
1946
12.7
13.5
1947
11.4
10.4
1948
18.0
15.1
1949
14.4
13.9
1950
13.4
11.5
1951
13.7
12.9
1952
20.1
18.5
1953
19.4
17.9
1954
9.5
8.8
1955
8.4
8.1
1956
15.1
12.5
1957
11.1
10.2
1958
18.9
18.1
1959
12.5
10.8
1960
16.4
15.2
1961
15.7
15.1
1962
10.0
9.9
1963
7.6
6.9
1964
10.6
9.7
1965
8.0
7.9
1966
8.6
7.1
1967
16.4
14.0
1968
12.2
12.4
1969
10.1
8.9
1970
14.9
13.3
1971
19.6
17.8
1972
19.5
17.6
1973
18.1
16.5
1974
15.8
15.1
1975
21.0
18.6
1976
12.5
12.4
1977
13.5
10.8
1978
20.8
19.8
1979
29.4
25.7
1980
20.4
20.3
1981
10.5
9.3
1982
16.3
14.6
1983
21.8
18.6
1984
20.5
20.3
1985
12.2
10.9
1986
13.4
11.1
1987
14.3
13.8
1988
14.9
13.4
1989
21.3
19.7
1990
17.4
15.0
1991
13.0
12.7
1992
12.6
11.0
1993
19.7
17.9
1994
22.9
22.2
1995
10.8
9.8
1996
25.3
21.4
1997
14.1
14.8
1998
12.5
12.3
1999
13.3
11.5
2000
16.8
15.3
2001
12.4
11.8

 

 

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