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Peak Streamflow for the Nation

USGS 01474000 Wissahickon Creek at Mouth, Philadelphia, PA

Philadelphia County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°00'55", Longitude  75°12'26" NAD27
Drainage area 64.0  square miles
Gage datum 25.27 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
1966 1966-02-13 5.56 3,000
1967 1967-03-07 6.45 4,310
1968 1968-06-12 6.08 3,750
1969 1969-07-29 6.06 3,690
1970 1970-04-02 5.70 3,210
1971 1971-09-13 7.20 5,560
1972 1971-10-10 5.652 3,140
1973 1973-06-29 7.92 6,870
1974 1974-08-23 6.63 4,600
1975 1975-03-20 6.35 4,160
1976 1976-01-27 5.18 2,530
1977 1977-03-22 5.88 3,460
1978 1978-01-26 6.52 4,420
1979 1979-01-25 6.81 4,890
1980 1980-03-21 5.14 2,480
1981 1980-10-25 5.62 3,100
1982 1982-07-28 7.18 5,310
1983 1983-04-16 6.18 3,880
1984 1984-04-05 6.322 4,070
1985 1985-09-27 6.55 4,390
1986 1986-01-26 5.05 2,460
1987 1986-12-25 5.86 3,450
1988 1988-07-27 5.78 3,350
1989 1989-09-20 5.98 3,610
1990 1990-05-30 6.11 3,780
1991 1991-08-20 5.62 3,150
1992 1992-06-05 4.42 1,7502
1993 1992-12-11 5.79 3,340
1994 1994-03-10 6.24 3,900
1995 1995-01-20 4.42 1,660
1996 1996-01-19 7.60 6,240
1997 1996-10-19 7.00 5,140
1998 1998-04-02 5.44 2,780
1999 1999-09-16 11.50 19,800
2000 2000-03-22 5.85 3,330
2001 2001-06-17 9.78 12,600
2002 2002-06-07 4.81 2,040
2003 2003-02-22 5.38 2,900
2004 2004-09-29 10.46 15,300
2005 2005-04-03 7.79 6,620
2006 2006-06-28 8.05 7,210
2007 2007-04-15 7.39 5,880
2008 2008-03-08 5.73 3,240
2009 2009-08-02 7.99 7,050
2010 2010-03-13 6.86 4,950
2011 2011-09-08 10.90 17,100
2012 2011-12-08 6.00 3,620
2013 2013-08-13 7.23 5,600
2014 2014-05-01 8.30 7,900
2015 2015-08-21 4.98 2,310
2016 2016-02-16 5.13 2,490
2017 2017-06-24 5.23 2,610
2018 2018-06-11 7.05 5,280
2019 2018-11-25 6.32 4,090
2020 2020-08-04 9.50 11,700
2021 2021-09-02 11.05 17,800
2022 2022-04-08 6.01 3,630
2023 2023-05-01 5.64 3,120
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.