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Precipitation and ETo for Manteca, CA <br /> ** Estimated <br /> *Ave. Eto *Ave. Precip. Deep Perc. <br /> Month (in/mo) (in/mo) (in/mo) <br /> Jan 1.09 2.73 1.64 <br /> Feb 1.90 1.99 0.09 <br /> Mar 3•54 1.75 <br /> Apr 5.02 1.05 <br /> May 6.76 0.51 <br /> Jun 7.61 0.11 <br /> Jul 8.01 0.02 <br /> Aug 7.10 0.02 <br /> Sep 5.22 0.13 <br /> Oct 3.43 0.65 <br /> Nov 1.68 1.29 <br /> Dec 1.06 2.07 1.01 <br /> Sum; 52.42 in/yr 12.32 in/yr Z.74 in/yr <br /> * Source: CIMS, California Department of Water Resources(Jan 1988 to Dec 2018)Station 70 <br /> (www.cimis.water.ca.gov) <br /> ** Assumption: If monthly precipitation exceeds potential ET then <br /> the difference is potential deep percolation. <br /> 0gix <br /> www.petralogix.com <br /> Plate 7 <br />