Summary of Ground-Water Recharge, Perkiomen Creek near Frederick

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 -- Perkiomen Creek near Frederick
Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
5.7	7.9	10.6	11.2	12.3	19.5	9.9	7.9	3.4	3.8	3.6	4.0

Annual Recharge, in inches -- Perkiomen Creek near Frederick
Year	Recharge From RORA	Base Flow from PART
1891	15.5	10.7
1892	11.1	9.2
1893	14.0	9.5
1894	13.6	10.0
1895	9.5	7.5
1896	8.7	6.4
1897	9.3	7.3
1898	12.2	9.5
1899	11.9	11.1
1901	9.1	6.5
1902	14.3	10.4
1903	15.8	11.7
1904	11.8	8.6
1905	13.1	10.9
1906	12.4	9.4
1907	16.2	13.1
1908	11.6	9.7
1909	9.8	7.5
1910	9.1	7.3
1911	13.2	9.9
1912	15.7	11.3
1913	11.2	10.5

U.S. Department of the Interior | U.S. Geological Survey
URL: http://pa.water.usgs.gov/apps/recharge/station_text/01472500_text.html
Page Contact Information: Pennsylvania WSC Webmaster
Page Last Modified: Thursday, 10-Feb-2011 22:08:44 EST

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