Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Peak Streamflow for the Nation

USGS 03007800 Allegheny River at Port Allegany, PA

Mckean County, Pennsylvania
Hydrologic Unit Code 05010001
Latitude  41°49'07", Longitude  78°17'35" NAD27
Drainage area 248  square miles
Gage datum 1,454.38 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)
1975 1975-02-25 12.33 7,060
1976 1976-02-17 11.45 5,940
1977 1977-03-13 10.86 5,260
1978 1977-12-15 10.54 4,940
1979 1979-03-06 11.08 5,500
1980 1979-11-27 10.33 4,730
1981 1981-02-21 12.72 7,610
1982 1981-10-28 12.82 7,750
1983 1983-03-21 7.62 2,530
1984 1984-02-14 12.93 7,900
1985 1985-02-25 9.26 3,810
1986 1986-01-20 10.98 5,380
1987 1987-09-13 9.39 3,910
1988 1988-03-27 9.58 4,040
1989 1989-06-21 13.59 9,060
1990 1990-04-11 10.09 4,290
1991 1991-03-04 11.62 6,040
1992 1992-09-22 9.96 4,160
1993 1993-04-01 12.23 6,820
1994 1994-08-18 11.76 6,210
1995 1995-01-21 8.73 3,130
1996 1996-01-19 15.37 12,600
1997 1996-11-09 11.26 5,610
1998 1998-01-09 11.98 6,480
1999 1999-01-24 11.53 5,940
2000 2000-02-28 9.64 3,840
2001 2001-04-10 10.26 4,460
2002 2002-05-14 9.56 3,760
2003 2003-03-22 11.02 4,670
2004 2004-09-18 12.60 6,460
2005 2005-01-14 11.24 4,730
2006 2005-11-30 12.74 6,650
2007 2007-03-15 13.02 7,560
2008 2008-02-07 12.12 6,170
2009 2009-03-09 10.92 4,660
2010 2010-01-26 13.38 8,530
2011 2010-12-01 14.92 12,200
2012 2012-05-08 6.85 1,740
2013 2013-01-31 11.24 4,920
2014 2014-06-26 11.52 5,300
2015 2015-09-30 11.16 4,820
2016 2015-10-01 10.81 4,370
2017 2017-01-13 11.67 5,510
2018 2018-01-13 12.41 6,570
2019 2018-12-22 10.45 3,990
2020 2019-11-01 11.29 4,990
2021 2021-08-19 11.87 5,790
2022 2022-02-18 11.74 5,610