topic Re: How to sum a raster within polygon boundaries? in Data Management Questions https://community.esri.com/t5/data-management-questions/how-to-sum-a-raster-within-polygon-boundaries/m-p/459897#M26265 <HTML><HEAD></HEAD><BODY><SPAN>Thank you, this helps.</SPAN></BODY></HTML> Thu, 15 Jul 2010 20:51:07 GMT PageWeil 2010-07-15T20:51:07Z How to sum a raster within polygon boundaries? https://community.esri.com/t5/data-management-questions/how-to-sum-a-raster-within-polygon-boundaries/m-p/459895#M26263 <HTML><HEAD></HEAD><BODY><SPAN>I am pretty new to Spatial Analyst so I don't know the name of the function I am looking for.&nbsp; I have a set of basin boundaries and a raster of precipitation data.&nbsp; I want to sum the values of the raster set that fall within the boundaries of each basin and assign those values as attributes to the basin shapefile.</SPAN><BR /><BR /><SPAN>How do I do this?</SPAN></BODY></HTML> Thu, 15 Jul 2010 17:08:59 GMT https://community.esri.com/t5/data-management-questions/how-to-sum-a-raster-within-polygon-boundaries/m-p/459895#M26263 PageWeil 2010-07-15T17:08:59Z Re: How to sum a raster within polygon boundaries? https://community.esri.com/t5/data-management-questions/how-to-sum-a-raster-within-polygon-boundaries/m-p/459896#M26264 <HTML><HEAD></HEAD><BODY><SPAN>Spatial Analyst &gt; Zonal Statistics</SPAN></BODY></HTML> Thu, 15 Jul 2010 17:36:16 GMT https://community.esri.com/t5/data-management-questions/how-to-sum-a-raster-within-polygon-boundaries/m-p/459896#M26264 JeffreyEvans 2010-07-15T17:36:16Z Re: How to sum a raster within polygon boundaries? https://community.esri.com/t5/data-management-questions/how-to-sum-a-raster-within-polygon-boundaries/m-p/459897#M26265 <HTML><HEAD></HEAD><BODY><SPAN>Thank you, this helps.</SPAN></BODY></HTML> Thu, 15 Jul 2010 20:51:07 GMT https://community.esri.com/t5/data-management-questions/how-to-sum-a-raster-within-polygon-boundaries/m-p/459897#M26265 PageWeil 2010-07-15T20:51:07Z