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Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Frankstown Branch Juniata River at Williamsburg: 01556000

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Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Frankstown Branch Juniata River at Williamsburg
OctNovDecJanFebMarAprMayJunJulAugSep
4.3
7.3
8.4
9.2
11.5
20.8
14.4
9.7
4.6
3.6
3.1
3.2


Annual Recharge, in inches -- Frankstown Branch Juniata River at Williamsburg
YearRecharge From RORABase Flow from PART
1917
12.0
10.0
1918
11.2
10.0
1919
14.3
11.9
1920
17.1
13.7
1921
15.4
12.8
1922
9.2
9.0
1923
12.5
9.9
1924
15.7
15.0
1925
9.1
8.1
1926
12.9
11.6
1927
21.5
17.8
1928
14.7
13.9
1929
16.8
13.0
1930
8.8
8.2
1931
8.1
7.4
1932
10.6
9.4
1933
15.0
12.7
1934
9.8
7.9
1935
13.9
10.9
1936
15.0
14.2
1937
19.6
15.9
1938
11.1
9.4
1939
12.0
10.4
1940
13.8
10.6
1941
9.1
8.7
1942
15.7
12.2
1943
12.6
11.9
1944
11.8
10.0
1945
16.3
15.4
1946
15.7
13.6
1947
12.3
10.3
1948
17.8
13.1
1949
13.0
11.7
1950
17.6
14.6
1951
18.7
15.9
1952
17.3
13.8
1953
14.8
12.4
1954
13.5
9.1
1955
11.9
11.6
1956
18.3
14.6
1957
12.3
10.5
1958
11.8
11.6
1959
16.0
11.9
1960
14.7
12.3
1961
13.6
11.9
1962
12.6
10.8
1963
10.5
7.9
1964
10.4
8.9
1965
11.2
9.5
1966
9.3
7.5
1967
13.3
10.7
1968
11.1
9.4
1969
7.5
6.5
1970
19.1
16.8
1971
19.8
15.9
1972
24.8
19.8
1973
18.2
15.9
1974
13.8
12.5
1975
18.7
16.2
1976
16.0
13.1
1977
16.3
12.7
1978
18.7
14.4
1979
23.6
18.4
1980
14.6
12.1
1981
10.7
8.9
1982
17.2
12.8
1983
14.6
13.3
1984
16.7
13.7
1985
14.1
12.2
1986
14.3
11.0
1987
13.0
10.9
1988
12.3
9.9
1989
14.4
14.3
1990
18.8
13.7
1991
12.3
11.6
1992
10.8
9.2
1993
17.3
13.4
1994
16.8
14.2
1995
11.4
9.3
1996
22.9
19.1
1997
17.0
13.9
1998
17.0
15.7
1999
12.6
9.9
2000
12.1
9.7
2001
10.7
8.7

 

 

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