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Peak Streamflow for the Nation

USGS 01473500 Schuylkill River at Norristown, PA

Montgomery County, Pennsylvania
Hydrologic Unit Code 020402031006
Latitude  40°06'56", Longitude  75°21'22" NAD83
Drainage area 1,760.0  square miles
Contributing drainage area 1,760.0  square miles
Gage datum 51.0 feet above NGVD29
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
Reselect output format
Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1928 1928-07-14 12.103 36,400
1929 1929-02-26 12.10 36,400
1930 1929-10-02 10.26 41,200
1931 1931-07-15 10.40 42,000
1932 1932-03-28 8.83 33,200
1933 1933-03-22 10.20 41,000
1984 1983-12-14 62.943 42,700
1985 1985-09-27 62.523 40,500
1986 1986-03-15 57.483 20,100
1987 1987-09-09 61.453 35,800
1988 1988-05-20 59.903 27,900
1989 1989-05-06 60.743 30,300
1990 1990-05-30 60.413 29,200
1991 1990-12-05 55.813 15,500
1992 1992-03-28 55.463 14,600
1993 1993-03-24 60.883 30,800
2002 2002-05-14 13.083 31,900
2003 2003-06-21 16.28 56,100
2004 2004-09-18 16.00 54,300
2005 2005-04-03 16.04 54,600
2006 2006-06-28 19.13 78,400
2007 2007-04-15 15.11 47,800
2008 2008-02-13 13.80 37,800
2009 2008-12-12 14.12 40,200
2010 2010-03-13 13.60 36,300
2011 2011-08-28 19.76 81,400
2012 2011-11-23 14.15 37,300
2013 2013-01-31 13.99 36,200
2014 2014-05-01 20.81 90,400
2015 2015-03-14 12.19 23,900
2016 2016-02-25 14.12 37,100
2017 2017-04-01 12.58 26,500
2018 2018-08-13 15.10 44,200
2019 2019-07-12 16.49 54,800
2020 2020-08-05 20.58 88,400
2021 2021-09-02 26.88 119,000
2022 2022-04-08 13.66 34,200
2023 2023-07-10 12.84 27,700
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  Peak Gage-Height Qualification Codes.