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Table 2 <br /> Martin Marietta Rich Pit <br /> Unused Wash Pond Depletions <br /> Percent of Annual Gross Evaporation Exposed Surface Average Effective Net Evaporation Net Evaporation Lagged <br /> Month Evaporation Rate Area Gross Evaporation Precipitation Precipitation Rate Depletions Depletions <br /> (%) (ft (ac) (ac-ft)) (0) (8) (0) (ac-Il) (ac-fl) <br /> Ill [2] 131 131 [4] (51_ [6l [71 [8] <br /> Apr-16 9.0% 0.38 0 0.00 0 10 0.07 0.30 0.00 0.10 <br /> May-16 12.0% 0.50 0 0.00 0.12 0.09 0.41 0.00 0,09 <br /> Jun-16 14.5% 0.60 0 0.00 0.11 0.08 0.52 0.00 0.08 <br /> Jul-16 15.0% 0.63 0 0.00 0.16 0.11 0.51 0.00 0.07 <br /> Aug-16 13.5% 0.56 0 0.00 0.17 0.12 0,44 0.00 0.06 <br /> Sep-16 10.0% 0.42 0 0.00 0.07 0.05 0.37 0.00 0.06 <br /> Oct-16 7.0% 0.29 0 0.00 0.06 0.04 0.25 0.00 0.05 <br /> Nov-16 4.0% 0.17 0 000 0.04 0.03 0.14 0.00 0.05 <br /> Dec-16 3.0% 0.13 0 0.00 0.03 0.02 0.11 0.00 0.05 <br /> Jan-17 3.0% 0.13 0 0.00 0 03 0 02 0.11 0.00 0.05 <br /> Feb-17 3.5% 0.15 0 0.00 0.03 0.02 0.13 0.00 0,04 <br /> Mar-17 5.5% 0.23 0 0.00 0.07 0.05 0.18 0,00 0.04 <br /> Total 100% 4.17 - 0.00 1.00 _ 0.70 3.47 0.00 0.74 <br /> Notes: <br /> [I]Monthly percentages determined in SB89-120 for elevations below 6,500 feet. <br /> [2]Based upon NOAA Technical Report NWS 33,Evaporation Atlas for the Contiguous 48 United States. <br /> [3]There is no longer any exposed surface area at the Unused Wash Pond. <br /> 14]Gross evaporation=[2]x[3). <br /> [5]Based upon the Western Regional Climate Center Station for Pueblo,CO(056740)for the time period 1954-2005. <br /> [6]Effective precipitation [5]x 0.7. <br /> [7]Net evaporation rate -[2]-[6]. <br /> [8)Net evaporation depletions-[7]x[3]. <br /> [9]Reflects real time lagged depletions due to evaporation based on Glover analysis using a stream depletion factor of 120 days. <br /> _.....001116.,BBA <br /> water 4onauItancs <br />