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Peak Streamflow for the Nation

USGS 03010820 ALLEGHENY RIVER AT OLEAN NY

Cattaraugus County, New York
Hydrologic Unit Code 05010001
Latitude  42°04'20.5", Longitude  78°27'03.1" NAD83
Drainage area 1,168  square miles
Gage datum 1,399.50 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)
1972 1972-06-23   59,0007,9
2011 2010-12-02 15.743 27,300
2012 2012-01-27 6.713 7,610
2013 2013-01-31 8.683 10,900
2014 2013-12-22 10.583 14,300
2015 2015-04-04 8.993 11,300
2016 2015-12-30 7.543 8,940
2017 2017-01-13 12.173 17,700
2018 2018-01-13 11.883 17,100
2019 2019-02-08 10.516 10,500
2020 2020-02-27 9.89 9,460
2021 2021-07-18 11.37 12,000
2022 2022-02-18 13.33 16,000
2023 2022-11-12 10.24 10,300
2024 2024-04-13 12.17 13,600
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.