Summary of Ground-Water Recharge, Perkiomen Creek at Graterford

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Available Options
Graphs	Data Tables	Detailed Station Information	Land Use Map	Geology Map	Back to county map	Back to state map	Main Page

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Perkiomen Creek at Graterford
Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
4.8	8.3	9.3	11.0	17.6	15.2	10.3	7.1	3.0	4.9	4.7	3.7

Annual Recharge, in inches -- Perkiomen Creek at Graterford
Year	Recharge From RORA	Base Flow from PART
1915	12.4	10.1
1916	12.1	9.8
1917	6.9	5.6
1918	8.8	6.5
1919	23.7	19.3
1920	11.6	9.8
1921	9.0	7.1
1922	17.7	12.8
1923	6.9	6.0
1924	11.7	9.8
1925	10.3	8.9
1926	10.0	7.5
1927	11.8	10.1
1928	11.0	9.8
1929	9.6	7.6
1930	6.2	4.9
1931	5.0	3.9
1932	8.5	6.5
1933	10.2	8.6
1934	10.7	8.0
1935	11.7	8.2
1936	14.0	9.5
1937	8.4	7.3
1938	9.5	7.1
1939	9.8	8.3
1940	11.5	8.1
1941	5.0	5.3
1942	9.2	6.9
1943	9.3	8.1
1944	7.9	6.7
1945	13.0	10.5
1946	8.3	7.5
1947	8.0	7.3
1948	13.2	10.6
1949	9.3	7.5
1950	9.0	7.6
1951	11.4	9.2
1952	13.5	11.2
1953	13.5	10.4
1954	8.5	6.4
1955	9.8	7.9
1956	10.8	9.5

U.S. Department of the Interior | U.S. Geological Survey
URL: http://pa.water.usgs.gov/apps/recharge/station_text/01473000_text.html
Page Contact Information: Pennsylvania WSC Webmaster
Page Last Modified: Thursday, 10-Feb-2011 22:08:44 EST

[an error occurred while processing this directive] IGSAWS910SVPWE1.GS.DOI.NET. ()