USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 12304060 Blacktail Creek near Yaak MT

Lincoln County, Montana

Hydrologic Unit Code 17010103

Latitude 48°57'02.96", Longitude 115°32'31.32" NAD83

Drainage area 10.1 square miles

Gage datum 3,430 feet above NGVD29

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1964	1964	2.72^Bm	280^7,Bm
1972	1972	1.76^Bm	126^Bm
1973	1973	1.01^Bm	35.0^Bm
1974	1974-05-09	1.29	84.0
1975	1975-06-02	1.05	55.0
1976	1976-05-11	1.42	112
1977	1977-04-25	0.52	17.0
1978	1978-05-15	1.11	65.0
1979	1979-05-05	0.90	38.0
1980	1980-04-20	1.15	75.0
1981	1981-05-01	1.11	69.0
1982	1982-05-25	1.22	90.0
1983	1983	1.56^Bm	120^Bm
1984	1984-05-20	1.24	74.0

Peak Gage-Height Qualification Codes.

Peak Streamflow Qualification Codes.

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://nwis.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-07-17 02:58:00 EDT
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