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i <br /> 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 2.63 1.54 <br /> Feb 1.89 2.10 0.21 <br /> Mar 3.55 1.76 <br /> Apr 5.02 1.01 <br /> May 6.74 0.54 <br /> Jun 7.60 0.11 <br /> J u I 7.98 0.02 <br /> Aug 7.07 0.03 <br /> Sep 5.22 0.14 <br /> Oct 3.41 0.68 <br /> Nov 1.71 1.28 <br /> Dec 1.03 2.14 1.11 <br /> Sum: 52.31 in/yr 12.44 in/yr 2.86 in/yr <br /> * Source: CIMS, California Department of Water Resources(Jan 1988 to Dec 2016) <br /> (www.cimis.water.ca.gov) <br /> ** Assumption: If monthly precipitation exceeds potential ET then <br /> the difference is potential deep percolation. <br /> Irerracon <br />