Average Summer Temperature: 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 /><p>Historical average summer (Jun-Aug) temperature and projected changes in average summer temperature. Geographic units: HUC10. <br /></p><p>These data include historical (1970-1999) values plus two projections each for two future time periods, 2050s (2040-2069) and 2080s (2070-2099), based on lower and higher greenhouse gas emission scenarios, RCP 4.5 and RCP 8.5. <br /></p><p>Data source: Mote et al. 2015.</p>