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P, <br /> Precipitation Eto for Stockton, California <br /> F <br /> '** Estimated <br /> *Ave. Eto *Ave. Precip. Deep Pere. <br /> Month (in/mo) (in/mo) (inlmo) <br /> F Jan 1.24 3.05 1.81 <br /> Feb 1.96. 2.49 0.53 <br /> t J Mar 3.41 2.17 <br /> Apr 5.10 1.23 <br /> May 6.82 0.44 <br /> # Jun 7.80 0.10 <br /> Jul 8.06 0.03 <br /> Aug 7.13 0.04 <br /> t ) Sep 5.40 0.28 <br /> ' Oct 3.72 0.78 <br /> 3 Nov 1.80 1.89 0.09 <br /> Dec 0.93 2.50 1.57 <br /> Sum: 53.37 in/yr 14.96 inl r 4.0 <br /> inlyr <br /> 4 <br /> I } <br /> f <br /> j <br /> i d <br /> I � ' <br /> 1 <br /> I <br /> �I <br /> * Source: California Irrigation Management Information Systems (Zone 12) <br /> (www.cim i s.water.ca.gov) <br /> ** Source: Western Regional Climate Center(Station 048560) Jul 1948 to Sept 2004 <br /> v ; (http://www.wrcc.dri.edu/) <br /> *"* Assumption: If monthly precipitation exceeds potential ET then <br /> } the difference is potential deep percolation. <br /> k . <br /> NEIL O. ANDERSON <br /> F1 AN D ASSOCIATES <br /> r ' <br /> Platell <br />