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= <br />(Wkipedia, 2019) <br />±"- )2 <br />N -1 <br />Project No: 1909 <br />Plate No.: 12 <br />Date: April 24,2019 LIVE OAK <br />GEO ENVIRONMENTAL INC. <br />Recharge Calculation <br />(Holt Station - Scenario 1) <br />Kumar Property <br />16895W. Grant Line Rd. <br />Tracy, CA <br />Holt (Station 248)* <br />Deep Percolation = Precipitation - Evapotranspiration <br />2017 <br />Month Precipitation (in) Evapotranspiration (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) Evapotranspiration (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 />Total 12.00 51.83 3.07 <br />*Data from California Irrigation Management Information System (CIMIS) <br />Average Recharge (in) = 3.72 <br />Standard Deviation (in) = 0.9 <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 %