Laserfiche WebLink
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 2.77 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 <br /> Month Precipitation(in)Evapotranspiration(in)Deep Percolation(in) <br /> Jan 12.68 1.17 11.51 <br /> Feb 8.22 1.65 6.57 <br /> Mar 2.54 3.81 <br /> Apr 2.58 4.42 <br /> May 0.06 7.51 <br /> Jun 0.06 7.98 <br /> Jul 0.00 8.34 <br /> Aug 0.00 7.21 <br /> Sep 0.00 5.42 <br /> Oct 0.15 4.5 <br /> Nov 2.56 1.54 1.02 <br /> Dec 0.07 1.91 <br /> Total 28.90 55.46 19.10 <br /> 2018 <br /> Month Precipitation(in) Evapotranspiration(in)Deep Percolation(in) <br /> Jan 5.76 0.94 4.82 <br /> Feb 0.16 3 <br /> Mar 2.34 3.1 <br /> Apr 0.49 4.86 <br /> May 0.19 6.96 <br /> Jun 0.00 8.42 <br /> Jul 0.00 8.09 <br /> Aug 0.01 6.29 <br /> Sep 0.01 5.59 <br /> Oct 0.02 4.33 <br /> Nov 2.53 2.09 0.44 <br /> Dec 2.82 1.35 1.47 <br /> Total 14.30 55.02 6.73 <br /> 'Data from California Irrigation Management Information System(CIMIS) <br /> Average Recharge= 11.78 <br /> Standard Deviation(in)= 5.3 <br /> _ fN / <br /> i=11�!-X12 <br /> S N-1 <br /> (NhWPedie,2019) <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= 45% <br /> Recharge Calculation Plate No.: 12 <br /> (Staten Island Station) Project No: 20-41 <br /> Nienhuis Property <br /> L I V E OA K 5828 E.Fairlane Rd. Date:September 10,2020 <br /> GEO ENVIRONMENTAL INC. Qcampo,CQ <br />