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Holt(Station 248)* <br /> Deep Percolation=Precipitation-Evapotranspiration <br /> 2017 <br /> Month Precipitation(in) Evapotranspiratin (in) Deep Percolation(in) <br /> Jan 2.55 1.18 1.37 <br /> Feb 4.47 1.48 2.99 <br /> Mar 1.88 3.60 <br /> Apr 1.76 4.32 <br /> May 0.07 7.04 <br /> Jun 0.15 7.69 <br /> Jul 0.00 8.30 <br /> Aug 0.00 6.64 <br /> Sep 0.00 4.99 <br /> Oct 0.16 3.95 <br /> Nov 1.03 1.38 <br /> Dec 0.08 1.62 <br /> Total 12.10 52.19 4.36 <br /> 2018 <br /> Month Precipitation(in) Evapotranspiratin(in) Deep Percolation(in) <br /> Jan 2.91 0.88 2.03 <br /> Feb 0.45 2.56 <br /> Mar 2.34 2.87 <br /> Apr 1.72 4.75 <br /> May 0.08 5.66 <br /> Jun 0.00 7.76 <br /> Jul 0.00 7.65 <br /> Aug 0.00 6.71 <br /> Sep 0.01 5.60 <br /> Oct 0.22 4.13 <br /> Nov 1.93 2.00 <br /> Dec 2.30 1.26 1.04 <br /> Tota 1 12.00 51.83 3.07 <br /> *Data from California Irrigation Management Information System(CIMIS) <br /> Average Recharge=(4.36 in+3.07 in )/2=3.72 in <br /> Standard Deviation(in)= 0.9 <br /> E�=r(xi - t)2 <br /> VN - 1 (Wikipedia,2019) <br /> where(x1,x2, ...,Xn)are the observed values of the sample items,x bar is the mean <br /> value of these observations, and N is the number of observations in the sample. <br /> Percent Error=Standard Deviation/mean* 100% <br /> Percent Error= 25 % <br /> Recharge Calculation Plate No.: 13 <br /> (Holt station) Project No.: 1916 <br /> Nihad Property <br /> LIVE OAK 6599 E.Foppiano Ln. Date: April 17,2019 <br /> GEO ENVIRONMENTAL INC. Stockton,CA <br />