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Table AI.1 Monthly Net Evaporation 2014-2016 <br /> 014 2015 <br /> Sedime 'onds 1.00 acres (Beginning July) Sediment Ponds 1.00 acres <br /> (1) (2) (3) (4) (5) (6) 7) (1) (2) (3) (4) (5) (6) 7 <br /> Gro ree Monthly Gross Free Monthly <br /> Monthly Surfa - Mean Effective Potential F -Water Net Monthly Surface Mean Effective Potential Free ,-er Net <br /> Fraction of Evaporation Rainfall Precipitation Evaporati.- Surface Area Evaporation -ction of Evaporation Rainfall Precipitation Evaporation ace Area Evaporation <br /> Month Evaporation [n] - [in.] [acre] [acre-feet] Month Eva.. :'on [in] [in.] [in.] [in [acre] [acre-feet] <br /> Jan-14 0.030 41.000 0.401 0.280 0.000 0.65 0.000 Jan-15 0.030 41.000 0.400 0.280 I :.l 1.400 0.000 <br /> Feb-14 0.035 41.000 0.380 0.2.. 1.169 0.70 0.068 Feb-15 0.035 . .00 0.380 0.266 1.169 1.400 0.136 <br /> Mar-14 0.055 41.000 1.100 r'-+0 1.485 0.80 0.099 Mar-15 0.055 41.0x. 1.100 0.771 1.485 1.400 0.173 <br /> Apr-14 0.090 41.000 1.700 1.190 2.500 0.85 0.177 Apr-15 0.090 41.000 1.700 . 90 2.500 1.400 0.292 <br /> May-14 0.120 41.000 2.4 t 1.729 3.191 0.90 0.239 May-15 0.120 41.000 2.,.. 1.729 3.191 1.400 0.372 <br /> Jun-14 0.145 41.000 40 1.218 . 7 1.00 0.394 Jun-15 0.145 41.000 1. •. 1.218 4.727 1.400 0.551 <br /> Jul-14 0.150 41.000 1.130 0.791 5.35' 1.400 0.625 Jul-15 0.150 41.000 .130 I. '1 5.359 1.400 0.625 <br /> Aug-14 0.135 41 '.I 1.250 0.875 4.660 1.400 0.544 Aug-15 0.135 41.006 1.250 0.875 4.660 1.400 0.544 <br /> Sep-14 0.100 -1.000 1.240 0.868 3.232 .,10 0.377 Sep-15 0.100 4 ..10 1.240 0.868 232 1.400 0.377 <br /> Oct-14 0.070 41.000 1.330 0.931 1.939 1.401 0.226 Oct-15 0.070 41.000 1.330 0.931 1.9 ' 1.400 0.226 <br /> Nov-14 0.,. 41.000 0.680 0.476 1.164 1.400 0.136 Nov-15 0.04' 41.000 0.680 0.476 1.164 1.400 0.136 <br /> Dec-14 0.030 41.000 0.460 0.322 0.000 1.400 : '00 Dec-15 •.. 0 41.000 0.460 0.322 0.000 . •r 0.000 <br /> to- - 1.000 13.880 9.716 29.426 2.8: totals 1.000 13.880 9.716 29.426 3433 <br /> 2016 <br /> Sediment Ponds 1.00 acres <br /> (1) (2) (3) (4) (5) (6) (7) <br /> Gross Free Monthly <br /> Monthly Surface Mean Effective Potential Free Water Net <br /> Fraction of Evaporation Rainfall Precipitation Evaporation Surface Area Evaporation <br /> Month Evaporation [in] [in.] [in.] [in] [acre] [acre-feet] <br /> Jan-15 0.030 41.000 0.400 0.280 0.000 1.600 0.000 <br /> Feb-15 0.035 41.000 0.380 0.266 1.169 1.600 0.156 <br /> Mar-15 0.055 41.000 1.100 0.770 1.485 1.600 0.198 <br /> Apr-15 0.090 41.000 1.700 1.190 2.500 1.600 0.333 <br /> May-15 0.120 41.000 2.470 1.729 3.191 1.600 0.425 <br /> Jun-15 0.145 41.000 1.740 1.218 4.727 1.600 0.630 Notes: <br /> Jul-15 0.150 41.000 1.130 0.791 5.359 1.600 0.715 (1) =Monthly fraction of evaporation for elevations below 6500 ft from Guidelines <br /> Aug-15 0.135 41.000 1.250 0.875 4.660 1.600 0.621 for Substitute Water Supply Plans. <br /> Sep-15 0.100 41.000 1.240 0.868 3.232 1.600 0.431 (2) =Gross free water surface evaporation from NOAA Technical Report NWS 33 <br /> Oct-15 0.070 41.000 1.330 0.931 1.939 1.600 0.259 (3)=Mean Rainfall-See AI.5 <br /> Nov-15 0.040 41.000 0.680 0.476 1.164 1.600 0.155 (4)=Effective Rainfall=70%Mean Rainfall <br /> Dec-15 0.030 41.000 0.460 0.322 0.000 1.600 0.000 (5) =Columns(1)x(2)-(4) <br /> totals 1.000 13.880 9.716 29.426 3.923 (6) =Total free water surface area <br /> (7) =Columns((5)/12)x(6) <br />