USGS - science for a changing world
Pennsylvania Geological Survey

Pennsylvania Water Science Center

Estimates of Mean-Monthly & Annual Ground-Water Recharge

Perkiomen Creek at Graterford: 01473000

Available Options
GraphsData TablesDetailed Station InformationLand Use MapGeology MapBack to county mapBack to state mapMain Page

Data Tables

Mean-Monthly Recharge From RORA Method, as Percent of Annual Recharge for Period of Record -- Perkiomen Creek at Graterford
OctNovDecJanFebMarAprMayJunJulAugSep
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
YearRecharge From RORABase 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

 

 

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://pa.water.usgs.gov/recharge/station_text/01473000_text.html
Page Contact Information: Pennsylvania WSC Webmaster
Page Last Modified: Friday, 04-Jan-2013 11:32:18 EST