Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The 10-year average for precipitation in Napa County was determined with monthly precipitation data from PRISM Climate Group. Annual totals were calculated on a water year basis (October through September). Precipitation values are in inches/year.</SPAN></P></DIV></DIV></DIV>
Service Item Id: 18bf7291050e4d0db04aabfd90ec4051
Copyright Text: https://prism.oregonstate.edu/recent/
(data modified by LSCE and Napa Co. PBES)