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Staten Island (Station 242(• <br />Deep Percolation = Precipitation - Evapotranspiration <br />2016 <br />Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Jan <br />12.68 <br />Month <br />Precipitation (in) Evapotranspiration (in) <br />Deep Percolation (in) <br />Jan <br />4.89 <br />1.21 <br />3.68 <br />Feb <br />0.89 <br />2.77 <br />Apr <br />Mar <br />6.09 <br />3.5 <br />2.59 <br />Apr <br />1.43 <br />5.63 <br />Jun <br />May <br />0.27 <br />6.59 <br />Jul <br />Jun <br />0.00 <br />7.97 <br />Aug <br />Jul <br />0.00 <br />8.39 <br />Sep <br />Aug <br />0.00 <br />7.05 <br />Oct <br />Sep <br />0.00 <br />5.64 <br />Nov <br />Oct <br />5.78 <br />3.01 <br />2.77 <br />Nov <br />1.42 <br />1.76 <br />Total <br />Dec <br />4.28 <br />1.35 <br />2.93 <br />Total <br />25.00 <br />54.87 <br />11.97 <br />cuv <br />Month <br />Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Jan <br />12.68 <br />1.17 <br />11.51 <br />Feb <br />8.22 <br />1.65 <br />6.57 <br />Mar <br />2.54 <br />3.81 <br />0.00 8.42 <br />Apr <br />2.58 <br />4.42 <br />0.01 6.29 <br />May <br />0.06 <br />7.51 <br />0.02 4.33 <br />Jun <br />0.06 <br />7.98 <br />2.82 1.35 1.47 <br />Jul <br />0.00 <br />8.34 <br />Aug <br />0.00 <br />7.21 <br />Sep <br />0.00 <br />5.42 <br />Oct <br />0.15 <br />4.5 <br />Nov <br />2.56 <br />1.54 <br />1.02 <br />Dec <br />0.07 <br />1.91 <br />1.78 <br />Total <br />28.90 <br />55.46 <br />19.10 <br />Month <br />Precipitation (in) Evapotranspiration (in) Deep Percolation (In <br />Jan <br />5.76 0.94 4.82 <br />Feb <br />0.16 3 <br />Mar <br />2.34 3.1 <br />Apr <br />0.49 4.86 <br />May <br />0.19 6.96 <br />Jun <br />0.00 8.42 <br />Jul <br />0.00 8.09 <br />Aug <br />0.01 6.29 <br />Sep <br />0.01 5.59 <br />Oct <br />0.02 4.33 <br />Nov <br />2.53 2.09 0.44 <br />Dec <br />2.82 1.35 1.47 <br />Total <br />14.30 55.02 6.73 <br />'Data from California Irrigation Management Information System (CIMIS) <br />Average Recharge = 8.41 <br />Standard Deviation (in) = 6.7 <br />_ <br />-71- <br />Ei=, - 2)2 <br />s N-1 <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 = 80% <br />Month <br />Precipitation (in) Evapotranspiration (in) Deep Percolation (In) <br />Jan <br />3.52 <br />1.28 <br />2.24 <br />Feb <br />6.93 <br />1.64 <br />5.29 <br />Mar <br />3.07 <br />3.29 <br />Apr <br />0.85 <br />5.06 <br />May <br />2.79 <br />5.86 <br />Jun <br />0.00 <br />8.13 <br />Jul <br />0.00 <br />8.26 <br />Aug <br />0.00 <br />7.43 <br />Sep <br />0.15 <br />5.65 <br />Oct <br />0.00 <br />4.71 <br />Nov <br />0.63 <br />2.33 <br />Dec <br />2.76 <br />0.98 <br />1.78 <br />Total <br />20.70 <br />54.62 <br />9.31 <br />Luzu <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Jan 1.00 1.26 <br />Feb 0.02 3.34 <br />Mar 2.02 3.45 <br />Apr 2.12 5.26 <br />May 0.31 7.28 <br />Jun 0.04 8.18 <br />Jul 0.01 8.29 <br />Aug 0.02 7.08 <br />Sep 0.00 5.42 <br />Oct 0.01 4.32 <br />Nov 0.34 2.40 <br />Dec 1.23 1.57 <br />Total 7.12 57.85 0 <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in <br />Jan 0.99 1.81 <br />Feb 0.37 2.86 <br />Mar 0.93 4.46 <br />Apr 0.01 6.28 <br />May 0.01 8.17 <br />Jun 0.01 8.33 <br />Jul 0.00 8.28 <br />Aug 0.01 6.22 <br />Sep 0.00 5.11 <br />Oct 5.73 3.02 2 7 <br />Nov 0.75 1.40 <br />Dec 1.33 0.72 0.61 <br />Total 10.14 56.66 3.32 <br />Recharge Calculation Plate No.: 12 <br />(Staten island Station) Project No: 2203 <br />Nunez Property <br />LIVE OAK 12622 E. Harney Ln. Date: March 7, 2022 <br />GEO ENVIRONMENTAL INC. Lodi, CA <br />