Peak Daily Streamflow, 2-year Event: All Scenarios

<hr /> <p> <span><strong>Deprecation Warning</strong>: On June 1 2026, this item will no longer be available. </span> For more information on transitioing layers visit: <a target='_blank' href='https://gis-kingcounty.opendata.arcgis.com/pages/inspect-gis-data-1' rel='nofollow ugc noopener noreferrer'>Update Deprecated Items | King County GIS Open Data</a> </p> <hr /><div style='text-align:Left; font-size:12pt;'><div><div><p><span>Historical, and projected changes in, peak daily streamflow volume with a 2-year return interval (50% annual chance of exceedance). Historical daily streamflow for each watershed was assessed at the mouth of each river. <br /></span></p><p><span></span></p><p><span>These data include</span><span> historical conditions (1970-1999, in cubic feet/second) and the projected changes (in percent) for ten global models. </span><span>Two time periods are considered: the 2040s (2030-2059) and the 2080s (2070-2099), based on a moderate greenhouse gas scenario (A1B). <br /></span></p><p><span></span></p><p><span><span>Data source: Hamlet et al. 2013.</span></span></p></div></div></div>