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Peak Streamflow for the Nation

USGS 03047000 Loyalhanna Creek at Loyalhanna Dam, PA

Westmoreland County, Pennsylvania
Hydrologic Unit Code 05010008
Latitude  40°27'32", Longitude  79°26'58" NAD83
Drainage area 290  square miles
Gage datum 870.18 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)
1940 1940-03-31 9.90 10,700
1941 1941-06-05 10.30 11,700
1942 1942-04-10 6.75 4,5606
1943 1943-01-02 6.35 4,0206
1944 1944-05-07 6.99 4,8406
1945 1945-03-09 7.96 6,9806
1946 1946-06-03 6.46 4,4806
1947 1947-06-09 6.22 4,0606
1948 1948-04-17 6.76 4,9206
1949 1949-01-30 6.44 4,5206
1950 1950-01-08 6.31 4,3806
1951 1951-06-16 6.40 4,5206
1952 1952-01-30 6.41 4,5206
1953 1953-06-02 6.15 3,9206
1954 1954-03-03 6.19 3,9206
1955 1954-10-18 6.90 4,7806
1956 1956-03-10 6.58 4,3106
1957 1957-04-10 5.33 2,9506
1958 1958-05-09 5.96 3,6506
1959 1959-01-24 5.36 3,0506
1960 1960-04-07 7.12 4,8606
1961 1961-03-10 6.66 4,4206
1962 1962-03-02 5.75 3,4506
1963 1963-03-07 7.39 5,2206
1964 1964-03-14 7.70 5,5906
1965 1965-01-28 5.51 3,1606
1966 1966-02-18 6.80 4,5306
1967 1967-03-08 7.11 4,8806
1968 1968-05-26 5.61 3,2206
1969 1969-02-03 4.43 1,9906
1970 1970-06-19 8.29 6,7806
1971 1971-09-18 5.96 3,6106
1972 1972-06-30 8.05 6,0806
1973 1972-12-24 5.23 2,8306
1974 1974-01-16 4.66 2,2906
1975 1975-02-03 5.38 2,9806
1976 1976-02-20 5.38 2,9806
1977 1977-03-02 5.42 3,0206
1978 1978-05-20 5.83 3,4606
1979 1979-03-06 7.19 4,9806
1980 1979-10-08 5.22 2,8206
1981 1981-04-15 5.87 3,5106
1982 1982-03-22 4.76 2,3806
1983 1983-04-18 4.76 2,3806
1984 1984-08-14 5.22 2,8206
1985 1985-04-02 6.01 3,6606
1986 1986-02-11 6.91 4,6506
1987 1987-04-13 5.56 3,1606
1988 1988-02-06 5.54 3,1406
1989 1989-04-01 6.01 3,6606
1990 1990-07-17 4.65 2,3406
1991 1991-01-02 6.22 3,8906
2010 2010-03-16 3.78 2,8506
2011 2011-03-13 4.13 3,4306
2012 2012-01-29 3.35 2,2206
2013 2012-11-01 4.08 3,3406
2014 2013-12-24 3.83 2,9306
2015 2015-03-16 4.03 3,2506
2016 2016-06-17 2.97 1,7606
2017 2017-05-10 3.93 3,3906
2018 2018-09-11 5.00 4,6906
2019 2019-02-14 4.70 4,4506
2020 2020-02-14 4.24 3,4106
2021 2021-03-02 3.89 2,7306
2022 2022-05-08 4.10 3,1306
2023 2023-03-26 3.302 1,9306
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.