USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 09400655 RIO DE FLAG AT I40 AT FLAGSTAFF,AZ

Coconino County, Arizona

Hydrologic Unit Code 15020015

Latitude 35°11'04", Longitude 111°37'56" NAD27

Drainage area 82.4 square miles

Contributing drainage area 82.4 square miles

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1970	1970-09-05		350^2,C
1971	1971-07-21		50.0^2,C
1972	1971-12-28		100^2,C
1973	1973-04-25		300^2,C
1974	1974		0.00^Bm,C
1975	1974-10-30		70.0^2,C
1976	1976-02-09	8.35	134^C
1977	1977		3.00^4,Bm,C
1978	1978-02-28	7.93	153^C
1979	1978-12-19	9.30	421^C
1980	1980-02-20	7.65	165^C
1981	1981-04		150^2,Bd,C
1982	1982-03-12	9.00	370^C

Peak Streamflow Qualification Codes.

2 -- Discharge is an Estimate
4 -- Discharge less than indicated value, which is Minimum Recordable Discharge at this site
Bd -- Day of occurrence is unknown or not exact
Bm -- Month of occurrence is unknown or not exact
C -- All or part of the record affected by Urbanization, Mining, Agricultural changes, Channelization, or other

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: 2024-05-06 15:13:06 EDT
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