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Precipatation and ETo for South Stockton, CA <br /> '** Estimated <br /> 'Ave. Eto **Ave. Percip. Deep Perc. <br /> Month (in/mo) (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 13.94 in/yr 3.3 intyr <br /> Source: California Irrigation Management Information Systems(Zone 12) <br /> (www.cimis.water.ca.gov) <br /> Source: Western Regional Climate Center(Station 048558) Sept 1948 to Sept 2004 <br /> �. (http://www.wrcc.dn edu7 <br /> *" Assumption: If monthly precipitation exceeds potential ET then <br /> the difference is potential deep percolation. <br /> NEIL O. ANDERSON <br /> A N D A S S O C I A T E S <br /> Plate 9 <br />