Summary of Ground-Water Recharge, West Conewago Creek near Manchester

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

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Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- West Conewago Creek near Manchester
Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
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
Year	Recharge From RORA	Base 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

U.S. Department of the Interior | U.S. Geological Survey
URL: http://pa.water.usgs.gov/apps/recharge/station_text/01574000_text.html
Page Contact Information: Pennsylvania WSC Webmaster
Page Last Modified: Thursday, 10-Feb-2011 22:09:32 EST

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