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Precipitation and ETo for Lodi, CA <br />** Estimated <br />*Ave. Eto *Ave. Precip.Deep Perc. <br />Month (in/mo)(in/mo)(in/mo) <br />Jan 1.24 3.43 2.19 <br />Feb 1.96 2.94 0.98 <br />Mar 3.41 2.71 <br />Apr 5.10 1.31 <br />May 6.82 0.61 <br />Jun 7.80 0.15 <br />Jul 8.06 0.03 <br />Aug 7.13 0.04 <br />Sep 5.40 0.27 <br />Oct 3.72 0.93 <br />Nov 1.80 1.93 0.13 <br />Dec 0.93 2.92 1.99 <br />Sum:53.37 in/yr 17.27 in/yr 5.29 in/yr <br />*Source: California Irrigation Management Information Systems (Zone 12) <br />(www.cimis.water.ca.gov) <br />**Source: Western Regional Climate Center (Station 045032) Jan 1893 to Jan 2015 <br />(http://www.wrcc.dri.edu/) <br />***Assumption: If monthly precipitation exceeds potential ET then <br />the difference is potential deep percolation. <br />Plate 8