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Table AI.1 - Evaporative and Dust Control depletions 2016-2019 <br />Year (2019) <br />page 3 of 3 <br />Notes <br />(1) = Monthly fraction of evaporation for elevations below 6500 It from Guidelines <br />for Substitute Water Supply Plans <br />(2) = Gross free water surface evaporation from NOAH Technical Report NWS 33 <br />(3) = Mean Rainfall - See At 4 <br />(4) = Effective Rainfall = 70% Mean Rainfall <br />(5)=Columns(1)x(2)-(4) <br />(6) = Total free water surface area of pit based on predicted backfill rate <br />(7) = Column (5)!12 x Column (6) <br />(8) = Predicted monthly water used for dust control <br />(1) <br />(2) <br />(3) <br />(4) <br />(6) <br />(6) <br />(7) <br />(8) <br />(9) <br />Monthly <br />Gross Free <br />Free Water <br />Monthly Net <br />Monthly Water <br />Fraction of <br />Surface <br />Mean <br />Effective <br />Monthly Net <br />Surface <br />Volumetric <br />Used for dust <br />Total <br />Month <br />Evaporation <br />Evaporation <br />Rainfall <br />Precipitation <br />evaporation <br />Area <br />Evaporation <br />Control <br />Depletions <br />[in <br />in I <br />OFT -Ion <br />acre <br />acre <br />acre <br />acre <br />January <br />0.03 <br />000 <br />043 <br />030 <br />000 <br />500 <br />0 00 <br />0 009 <br />001 <br />February <br />0.04 <br />44 50 <br />037 <br />026 <br />1.30 <br />5.00 <br />054 <br />0 010 <br />055 <br />March <br />0-06 <br />44.50 <br />1 17 <br />0a2 <br />163 <br />Soo <br />0 68 <br />0 010 <br />059 <br />April <br />0.09 <br />44.50 <br />176 <br />123 <br />2.77 <br />Soo <br />1 is <br />0 025 <br />1 1 e <br />May <br />0.12 <br />44 50 <br />230 <br />161 <br />3.73 <br />5.00 <br />1 55 <br />0 025 <br />1 56 <br />June <br />0.15 <br />44.50 <br />167 <br />117 <br />5 28 <br />5.00 <br />2.20 <br />0 030 <br />2.23 <br />July <br />0.15 <br />44.50 <br />156 <br />1.09 <br />558 <br />5.00 <br />233 <br />0 040 <br />2.37 <br />August <br />0.14 <br />44.50 <br />175 <br />123 <br />4.78 <br />500 <br />199 <br />0 040 <br />2.03 <br />September <br />0.10 <br />44.50 <br />000 <br />0.00 <br />445 <br />5.00 <br />1 85 <br />0 040 <br />1 89 <br />October <br />0.07 <br />44.50 <br />0.00 <br />0.00 <br />3.12 <br />Soo <br />1 30 <br />0 040 <br />1 34 <br />November <br />0.04 <br />44 50 <br />078 <br />0 55 <br />1 23 <br />500 <br />0.51 <br />0 040 <br />0.55 <br />December <br />0 03 <br />0 00 <br />052 <br />036 <br />000 <br />500 <br />0 00 <br />0 020 <br />002 <br />1412 <br />0 330 <br />14.44 <br />Notes <br />(1) = Monthly fraction of evaporation for elevations below 6500 It from Guidelines <br />for Substitute Water Supply Plans <br />(2) = Gross free water surface evaporation from NOAH Technical Report NWS 33 <br />(3) = Mean Rainfall - See At 4 <br />(4) = Effective Rainfall = 70% Mean Rainfall <br />(5)=Columns(1)x(2)-(4) <br />(6) = Total free water surface area of pit based on predicted backfill rate <br />(7) = Column (5)!12 x Column (6) <br />(8) = Predicted monthly water used for dust control <br />