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Manteca (Station 70)• <br />Deep Percolation = Precipitation - Evapotranspiration <br />2014 <br />2018 <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Month <br />Precipitation <br />(in) Evapotranspiration <br />(in) Deep Percolation (in) <br />Jan 0.43 1.90 <br />Jan <br />2.85 <br />1.02 <br />1 8 <br />Feb 2.67 1.91 0.76 <br />Feb <br />0.61 <br />2.58 <br />Mar 1.89 3.49 <br />Mar <br />1.94 <br />3.08 <br />Apr 0.72 5.10 <br />Apr <br />1.75 <br />5.22 <br />May 0.00 7.46 <br />May <br />0.09 <br />6.94 <br />Jun 0.03 8.03 <br />Jun <br />0.00 <br />7.89 <br />Jul 0.00 7.82 <br />Jul <br />0.00 <br />8.34 <br />Aug 0.00 6.84 <br />Aug <br />0.00 <br />7.07 <br />Sep 0.50 5.21 <br />Sep <br />0.02 <br />5.54 <br />Oct 0.43 3.65 <br />Oct <br />0.33 <br />3.83 <br />Nov 1.16 1.64 <br />Nov <br />2.15 <br />1.92 <br />0.23 <br />Dec 5.83 0.96 4.87 <br />Dec <br />2.26 <br />1.26 <br />1 0 <br />Total 13.20 52.11 5.63 <br />1 Total <br />12.00 <br />54.69 <br />3.06 <br />2015 <br />2019 <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Month <br />Precipitation <br />(in) Evapotranspiration <br />(in) Deep Percolation (in) <br />Jan 0.10 1.11 <br />Jan <br />0.42 <br />1.29 <br />Feb 0.89 1.97 <br />Feb <br />3.55 <br />1.78 <br />1 7 <br />Mar 0.21 4.32 <br />Mar <br />2.36 <br />3.22 <br />Apr 1.14 5.69 <br />Apr <br />0.42 <br />5.27 <br />May 0.01 6.70 <br />May <br />1.89 <br />5.98 <br />Jun 0.05 7.73 <br />Jun <br />0.01 <br />7.99 <br />Jul 0.00 7.98 <br />Jul <br />0.00 <br />8.46 <br />Aug 0.01 7.09 <br />Aug <br />0.00 <br />7.65 <br />Sep 0.02 4.82 <br />Sep <br />0.24 <br />5.52 <br />Oct 0.18 3.75 <br />Oct <br />0.00 <br />4.12 <br />Nov 1.95 1.89 0.06 <br />Nov <br />0.93 <br />2.18 <br />Dec 2.14 1.24 0.90 <br />Dec <br />3.22 <br />1.05 <br />2 1 <br />6.70 54.27 0.86 1 <br />1 Total <br />13.00 <br />54.51 <br />3.94 <br />2016 <br />2020 <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Month <br />Precipitation <br />(in) Evapotranspiration <br />(in) Deep Percolation (in) <br />Jan 4.38 1.11 3.27 <br />Jan <br />0.94 <br />1.22 <br />Feb 0.50 2.59 <br />Feb <br />0.03 <br />3.07 <br />Mar 3.01 3.45 <br />Mar <br />1.71 <br />3.38 <br />Apr 2.22 5.23 <br />Apr <br />1.03 <br />5.32 <br />May 0.37 6.59 <br />May <br />0.48 <br />7.13 <br />Jun 0.00 7.98 <br />Jun <br />0.02 <br />8.25 <br />Jul 0.00 8.20 <br />Jul <br />0.00 <br />8.33 <br />Aug 0.00 6.88 <br />Aug <br />0.01 <br />6.96 <br />Sep 0.00 5.35 <br />Sep <br />0.01 <br />5.06 <br />Oct 2.17 2.84 <br />Oct <br />0.01 <br />3.77 <br />Nov 1.45 1.80 <br />Nov <br />0.13 <br />2.08 <br />Dec 2.07 1.22 0.85 <br />Dec <br />1.83 <br />1.35 <br />0.48 <br />16.20 53.24 4.12 1 <br />1 Total <br />6.18 <br />55.92 <br />0.48 <br />2017 <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Jan 5.50 109 4.41 <br />Feb 0.07 1.63 <br />Mar 1.41 3.69 <br />Apr 1.63 4.55 <br />May 0.09 7.13 <br />Jun 0.02 7.78 <br />Jul 0.00 8.35 <br />Aug 0.03 6.91 <br />Sep 0.00 4.90 <br />Oct 0.11 3.82 <br />Nov 0.74 1.60 <br />Dec0.08 1.62 <br />Total 9.70 53.07 4.41 <br />'Data from California Irrigation Management Information System (CIMIS) <br />Average Recharge (in) 3.23 <br />Standard Deviation (in) 1.9 <br />i)2 <br />6 N-1 <br />(Wkipedie. 2019) <br />where (xt, 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= 58 % <br />Recharge Calculation Plate No.: 12 <br />(Manteca Station) Project No: 2144 <br />Ruiz Property <br />LIVE OA K 11671 E. Ada Ave. Date: September 15, 2021 <br />GEO ENVIRONMENTAL INC. Stockton, CA <br />