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Precipatation and ETo for South Stockton, CA <br /> (ter <br /> ff � <br /> *** Estimated <br /> *Ave. Eto **'Ave. Percip. Deep Perc. <br /> Month in/ma (in/mo) (in/mo) <br /> Jan 1.24 2.85 1.61 <br /> Feb 1.96 2.27 0.31 <br /> Mar 3.41 2.04 <br /> Apr 5.10 1.12 <br /> May 6.82 0.41 <br /> Jun: 7.80 0.08 <br /> Jul 8.06 0.03 <br /> Aug 7.13 0.04 <br /> Sep 5.40 0.27 <br /> - Oct 3.72 0.72 <br /> Nov 1.80 1.80 <br /> Dec 0.93 2.31 1.38 <br /> Sum: 53.37 in/yr 93.94 in/yr 3.3 in/yr <br /> * Source: California Irrigation Management Information Systems(Zone 12) <br /> (www.cimis.wa ter.ca.gov) <br /> ** Source: Western Regional Climate Center(Station 048558) Sept 1948 to Sept 2004 <br /> (http://www.wrcc.drf.edu/) <br /> *** Assumption: If monthly precipitation exceeds potential ET then <br /> ! the difference is potential deep percolation. <br /> J <br /> xt <br /> U � <br /> NE <br /> # j <br /> E � <br /> NEIL O. ANDERSON <br /> �I <br /> AN D ASSOCIATES <br /> Plate 9 <br />