The application for this State is based on StreamStats version 2. Please read the new User Instructions for this application before attempting to use it.
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Also, please bookmark this page, rather than the Interactive Map page, since the URL for the interactive map may change in the future.
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Two reports document the regression equations available in StreamStats for Washington, the errors associated with the estimates, and the methods used to develop the equations and to measure the basin characteristics used in the equations. Users should familiarize themselves with these reports before using StreamStats to obtain estimates of streamflow statistics for ungaged sites.
- Knowles, S.M. and Sumioka, S.S., 2001, The National Flood-Frequency Program—Methods for Estimating Flood Magnitude and Frequency in Washington, 2001: U.S. Geological Survey Fact Sheet FS-016-01, 4 p.
- Sumioka, S.S., Kresch, D.L., and Kasnick, K.D., 1998, Magnitude and Frequency of Floods in Washington: U.S. Geological Survey Water-Resources Investigations Report 97-4277, 91 p.
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