Laserfiche WebLink
Average Recharge = 8.41 <br />Project No: 2219 <br />Plate No.: 12 <br />Date: April 5, 2022 <br />Recharge Calculation <br />(Staten Island Station) <br />Sandoval Property <br />25130 N. Pearl Rd. <br />Acampo, CA LIVE OAK <br />CEO ENVIRONMENTAL INC. <br />Staten Island (Station 242). <br />Deep Percolation = Precipitation - Evapotranspiration <br />2016 2019 <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Jan 4.89 1.21 3.68 Jan 3.52 1.28 2.24 <br />Feb 0.89 2.77 Feb 6.93 1.64 5.29 <br />Mar 6.09 3.5 2 59 Mar 3.07 3.29 <br />Apr 1.43 5.63 Apr 0.85 5.06 <br />May 0.27 6.59 May 2.79 5.86 <br />Jun 0.00 7.97 Jun 0.00 8.13 <br />Jul 0.00 8.39 Jul 0.00 8.26 <br />Aug 0.00 7.05 Aug 0.00 7.43 <br />Sep 0.00 5.64 Sep 0.15 5.65 <br />Oct 5.78 3.01 277 Oct 0.00 4.71 <br />Nov 1.42 1.76 Nov 0.63 2.33 <br />Dec 4.28 1.35 2 93 Dec 2.76 0.98 1 78 <br />Total 25.00 54.87 11.97 Total 20.70 54.62 9.31 <br />2017 2020 <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Jan 12.68 1.17 11.51 Jan 1.00 1.26 <br />Feb 8.22 1.65 6.57 Feb 0.02 3.34 <br />Mar 2.54 3.81 Mar 2.02 3.45 <br />Apr 2.58 4.42 Apr 2.12 5.26 <br />May 0.06 7.51 May 0.31 7.28 <br />Jun 0.06 788 Jun 0.04 8.18 <br />Jul 0.00 8.34 Jul 0.01 8.29 <br />Aug 0.00 7.21 Aug 0.02 7.08 <br />Sep 0.00 5.42 Sep 0.00 5.42 <br />Oct 0.15 4.5 Oct 0.01 4.32 <br />Nov 2.56 1.54 1 02 Nov 0.34 2.40 <br />Dec 0.07 1.91 Dec 1.23 1.57 <br />Total 28 90 55.46 19.10 Total 7.12 57.85 <br />2018 2021 <br />Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) Month Precipitation (in) Evapotranspiration (in) Deep Percolation (in) <br />Jan 5.76 0.94 4.82 Jan 0.99 1.81 <br />Feb 0.16 3 Feb 0.37 2.86 <br />Mar 2.34 3.1 Mar 0.93 4.46 <br />Apr 0.49 4.86 Apr 0.01 6.28 <br />May 0.19 6.96 May 0.01 8.17 <br />Jun 0.00 8.42 Jun 0.01 8.33 <br />Jul 0.00 8.09 Jul 0.00 8.28 <br />Aug 0.01 6.29 Aug 0.01 6.22 <br />Sep 0.01 5.59 Sep 0.00 5.11 <br />Oct 0.02 4.33 Oct 5.73 3.02 2.71 <br />Nov 2.53 2.09 0.44 Nov 0.75 1.40 <br />Dec 2.82 1.35 147 Dec 1.33 0.72 0.61 <br />Total 14.30 55.02 6.73 Total 10.14 56.66 3.32 <br />Data from California Irrigation Management Information System (CIMIS) <br />Standard Deviation (in) = 6.7 <br />EiN-1 (Xi - a - N -1 <br />where (01, x2, ..., Xn) are the observed values of the sample items, x Saris 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 %