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Ripon(Station 249)' <br /> Deep Percolation=Precipitation-Evapotranspiration <br /> 2017 2021 <br /> Month Precipitation(in) Evapotranspiration(in)Deep Percolation(in) Month Precipitation(in) Evapotranspiration(in)Deep Percolation(in) <br /> Jan 5.33 1.96 3.37 Jan 3.06 1.55 1.51 <br /> Feb 3.49 2.73 0.76 Feb 0.81 2.55 <br /> Mar 1.53 3.93 Mar 0.62 4.05 <br /> Apr 1.30 4.96 Apr 0.18 6.27 <br /> May 0.10 7.62 May 0.01 8.52 <br /> Jun 0.01 8.47 Jun 0.01 8.70 <br /> Jul 0.00 8.95 Jul 0.01 8.64 <br /> Aug 0.00 7.33 Aug 0.01 7.18 <br /> Sep 0.01 5.50 Sep 0.01 5.77 <br /> Oct 0.07 4.24 Oct 3.25 3.42 <br /> Nov 0.95 1.81 Nov 0.47 1.61 <br /> Dec 0.09 1.83 Dec 3.59 0.74 2.85 <br /> Total 12.90 59.33 4.13 Total 12.03 59.00 4.36 <br /> 2018 2022 <br /> Month Precipitation(in) Evapotranspiration(in)Deep Percolation(in) Month Precipitation(in) Evapotranspiration(in)Deep Percolation(in) <br /> Jan 2.83 1.12 1.71 Jan 0.09 1.54 <br /> Feb 0.79 2.86 Feb 0.21 2.79 <br /> Mar 1.56 3.39 Mar 0.62 4.37 <br /> Apr 1.29 5.63 Apr 0.16 5.85 <br /> May 0.11 7.77 May 0.20 8.27 <br /> Jun 0.00 8.91 Jun 0.01 8.58 <br /> Jul 0.00 9.01 Jul 0.04 8.77 <br /> Aug 0.01 7.44 Aug 0.00 7.59 <br /> Sep 0.02 5.80 Sep 0.27 5.83 <br /> Oct 0.33 4.10 Oct 0.01 3.97 <br /> Nov 1.78 2.08 Nov 1.21 1.89 <br /> Dec 2.42 2.02 0.40 Dec 6.55 0.68 5.87 <br /> Total 11.10 60.13 2.11 Total 5.87 <br /> 2019 2023 <br /> Month Precipitation(in) Evapotranspiration(in)Deep Percolation(in) Month Precipitation(in) Evapotranspiration(in)Deep Percolation pn) <br /> Jan 1.16 1.84 Jan 4.61 1.22 3.39 <br /> Feb 2.81 1.83 0.98 Feb 1.94 1.86 0.08 <br /> Mar 2.85 3.34 Mar 4.56 2.74 1.82 <br /> Apr 0.32 5.55 Apr 0.09 5.68 <br /> May 1.53 6.35 May 0.41 6.36 <br /> Jun 0.01 8.58 Jun 0.01 7.48 <br /> Jul 0.00 8.60 Jul 0.00 8.44 <br /> Aug 0.01 7.55 Aug 0.01 6.95 <br /> Sep 0.09 5.58 Sep 0.03 4.87 <br /> Oct 0.01 4.28 Oct 0.07 3.71 <br /> Nov 1.31 2.20 Nov 0.54 2.11 <br /> Dec 2.84 1.05 1.79 Dec 2.66 1.20 1.46 <br /> Total 12.90 56.75 2.77 Total 14.93 52.62 6.75 <br /> 2020 2024 <br /> Month Precipitation On) Evapotranspiration On)Deep Percolation(In) Month Precipitation On) Evapotranspiration(in)Deep Percolation On) <br /> Jan 0.90 1.33 Jan 3.53 1.02 2.51 <br /> Feb 0.01 3.19 Feb 2.48 1.80 0.68 <br /> Mar 1.32 3.49 Mar 1.68 3.38 <br /> Apr 0.79 5.51 Apr 1.76 5.06 <br /> May 0.53 7.50 May 0.01 7.74 <br /> Jun 0.02 8.58 Jun 0.00 8.48 <br /> Jul 0.00 8.74 Jul 0.00 8.46 <br /> Aug 0.02 7.22 Aug 0.00 7.20 <br /> Sep 0.01 5.35 Sep 0.00 5.47 <br /> Oct 0.01 4.00 Oct 0.00 4.00 <br /> Nov 0.14 2.19 Nov 1.28 1.95 <br /> Dec 1.25 1.34 Dec 1.86 0.92 0.94 <br /> Total 5.00 58.44 0 Total 12.60 55.48 4.13 <br /> 'Data from California Irrigation Management Information System(CIMIS) <br /> 2025 <br /> Average Recharge= 3.68 Month Precipitation(in) Evapotranspiration(in)Deep Percolation(In) <br /> Jan 0.12 1.74 <br /> Standard Deviation(in)= 2.0 Feb 2.75 2.04 0.71 <br /> Mar 1.48 3.56 <br /> Apr 0.19 5.21 <br /> 2 May 0.00 8.06 <br /> Lei=1(Xi-�) Jun 0.00 8.51 <br /> 8- t Jul 0.00 8.39 <br /> N-1 (wikipeda,2019) Aug 9.90 7.42 <br /> Sep 0.03 5.11 <br /> Oct 1.72 3.09 <br /> where(x1,x2,...,Xn)are the observed values of the sample items,x bar is the mean Nov 2.89 1.36 1.53 <br /> value of these observations,and N is the number of observations in the sample. Dec 1.25 0.49 0.76 <br /> Total 10.43 54.98 3.00 <br /> Percent Error=Standard Deviation/mean'100% <br /> Percent Error= 55% <br /> Recharge Calculation Plate No.: 15 <br /> (Linden Station) Project No: 2606 <br /> Brouwer Property <br /> LIVE OAK 350 E.Critchett Ave. Date: February 23,2026 <br /> GEO ENVIRONMENTAL INC. Tracy,CA <br />