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Precipatation and ETo for Stockton, CA <br /> *** Estimated <br /> 'Ave. Etc "Ave. Percip. Deep Perc. <br /> Month (in/mo) (in/mo) (in/mo) <br /> Jan 1.24 2.93 1.69 <br /> Feb 1.96 2.06 0.10 <br /> Mar 3.41 2.16 <br /> Apr 5.1 1.24 <br /> May 6.82 0.25 <br /> Jun 7.8 0.8 <br /> Jul 8.06 0.05 <br /> Aug 7.13 0.06 <br /> Sep 5.4 0.33 <br /> Oct 3.72 0.72 <br /> Nov 1.8 1.95 0.15 <br /> Dec 0.93 2.37 1.44 <br /> Sum: 53.37 in/yr 14.92 in/yr 3.38 inyyr <br /> ' Source: CIMS, California Department of Water Resources. <br /> (http://wwwdpia.water.ca.gov/cimis/cimis/hq/sjgnorm.txt) <br /> " Source: USDA Soil Conservation Service, San Joaquin County, CA. <br /> Assumption: If monthly precipitation exceeds potential ET then <br /> the difference is potential deep percolation. <br /> NEIL O. ANDERSON <br /> AN D ASSOCIATES <br /> Plate 8 <br />