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Peak Streamflow for the Nation

USGS 03049500 Allegheny River at Natrona, PA

Allegheny County, Pennsylvania
Hydrologic Unit Code 05010009
Latitude  40°36'55", Longitude  79°43'07" NAD27
Drainage area 11,410  square miles
Gage datum 735.8 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)
1936 1936-03-18 32.06 365,0006,7
1939 1939-02-21 17.60 103,0006
1940 1940-03-31 23.60 187,0006
1941 1940-12-14 16.67 89,0006
1942 1942-03-17 19.30 128,0006
1943 1942-12-30 27.46 238,0006
1944 1944-03-18 17.91 108,0006
1945 1945-03-07 24.77 203,0006
1946 1946-05-28 21.63 160,0006
1947 1947-04-06 20.29 142,0006
1948 1948-03-23 21.05 152,0006
1949 1949-01-28 16.01 77,4006
1950 1950-03-29 19.54 130,0006
1951 1950-12-04 21.02 152,0006
1952 1952-01-27 23.28 183,0006
1953 1953-05-31 20.06 139,0006
1954 1954-03-04 17.44 100,0006
1955 1954-10-16 20.38 143,0006
1956 1956-03-09 22.97 178,0006
1957 1957-01-24 18.58 118,0006
1958 1958-07-15 17.27 98,5006
1959 1959-01-22 25.67 215,0006
1960 1960-04-01 21.41 157,0006
1961 1961-04-26 18.54 116,0006
1962 1962-03-24 15.50 69,4006
1963 1963-03-18 18.37 115,0006
1964 1964-03-10 25.78 216,0006
1965 1965-02-14 15.98 78,7006
1966 1966-02-14 21.21 154,0006
1967 1966-12-08 16.03 79,4006
1968 1968-01-31 18.18 112,0006
1969 1968-12-29 17.68 104,0006
1970 1970-04-03 18.40 115,0006
1971 1971-02-21 16.58 87,0006
1972 1972-06-23 24.96 205,0006
1973 1973-03-18 16.04 79,6006
1974 1974-03-10 17.09 95,4006
1975 1975-02-25 18.88 122,0006
1976 1976-02-17 20.71 147,0006
1977 1977-04-03 16.77 90,6006
1978 1977-12-15 18.74 120,0006
1979 1979-03-05 17.98 109,0006
1980 1980-04-01 15.61 73,2006
1981 1981-02-21 19.91 136,0006
1982 1982-02-01 16.60 88,0006
1983 1983-06-29 15.36 69,4006
1984 1984-02-15 18.29 113,0006
1985 1985-02-25 17.55 102,0006
1986 1985-11-17   100,0001,6
1987 1987-07-03 15.80 76,0006
1988 1988-02-04 14.82 61,7006
1989 1989-06-21 19.16 125,0006
1990 1990-02-16 18.19 111,0006
1991 1990-12-31 20.616 133,0006
1992 1992-09-23 16.50 72,9006
1993 1993-03-29 17.46 88,9006
1994 1994-03-25 18.74 107,0006
1995 1994-12-11 15.40 57,1006
1996 1996-01-20 24.18 182,0006
1997 1997-02-28 16.49 72,8006
1998 1998-01-09 19.94 124,0006
1999 1999-01-25 18.71 106,0006
2000 2000-04-09 16.54 73,5006
2001 2001-02-11 15.50 58,5006
2002 2002-05-14 17.68 90,5006
2003 2003-07-22 17.46 87,2006
2004 2004-09-18 24.39 185,0006
2005 2005-01-06 19.84 122,0006
2006 2005-12-01 16.03 66,1006
2007 2007-03-16 21.42 145,0006
2008 2008-02-07 19.41 116,0006
2009 2009-02-13 18.18 98,1006
2010 2010-01-26 18.03 96,4006
2011 2011-03-07 20.58 146,0006
2012 2012-01-28 16.84 82,5006
2013 2013-04-13 16.69 80,3006
2014 2013-12-22 18.42 108,0006
2015 2015-04-10 16.472 77,2006
2016 2015-12-28 16.99 84,7006
2017 2017-01-13 20.16 138,0006
2018 2018-01-13 20.36 142,0006
2019 2019-02-08 18.63 111,0006
2020 2020-03-30 16.99 84,6006
2021 2021-07-18 15.98 70,3006
2022 2022-02-19   129,0002,6
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.