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DEEP MPERCOLATION OF RAIN'ESTIMATE <br /> Average Precipatation and Eto for Tracy, CA <br /> --California Zone 12-- *Estimated " <br /> Eto Percip. Deep Perc. <br /> Month (in/mo) (in/mo) (in/mo) <br /> JAN 1.55 1.98 <br /> FEB 2.24 1.39 <br /> MAR 3.41 . .. 1:46 <br /> APR 5.1 0.96 <br /> MAY 6.82 0.29 <br /> JUN 7.8 0.52 <br /> JUL 8.06 0.04 <br /> AUG 7.1.3 0.12 <br /> SEP 5.4 0.26- <br /> OCT <br /> .26JOCT . 3.72 0.5 <br /> i NOV 1.8 1:23 . <br /> DEC 0.93 1.57. 0.64 . <br /> SubTotal: 1.07 inlyr <br /> i <br /> i, Percipitation data:Soil Survey of San Joaquin County(1992). <br /> Normal Year Eto data:'http://wwwdpla.wafer-ca.govl(Zone 92) <br /> i. *Assumption: If monthly precipitation exceeds potential ET then <br /> the difference is potential deep percolation. <br /> v 'Y <br /> 4 NEIL O.ANDERSON S ASSOC.,INC. <br /> - - - Cf OTECHIRCALSERMrE&-E,W1NEERWG LABORATOMES * W <br /> - - 22 Houzb Ln.Lodi,CA 95240 O_ - <br /> f 8091 367.37CM 4S3OCSF <br /> Plate 1 <br />