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Table 1 <br />G -L Pit <br />Connell Resources <br />Evaporative Losses within Mining Area. <br />Total Exposted Water Surface Area' = 167 acres <br />Distribution of Annual Evaporation' <br />Pond Evaporation' inches <br />Effective Precipitation inches <br />Net Pond Evap of /acre <br />Net Evaporation acre -feet <br />January <br />February <br />March <br />April <br />May <br />June <br />July <br />August <br />September <br />October <br />November <br />December <br />Totals <br />0.03 <br />0 035 <br />0.055 <br />009 <br />0.12 <br />0 15 <br />0.15 <br />014 <br />0 10 <br />007 <br />004 <br />0.03 <br />100 <br />117 <br />137 <br />2.15 <br />3 51 <br />4.68 <br />5.66 <br />S85 <br />5 27 <br />390 <br />2 73 <br />156 <br />117 <br />390 <br />0.11 <br />0.22 <br />0.53 <br />1.06 <br />136 <br />1.22 <br />0.88 <br />1.18 <br />0.81 <br />0.82 <br />0.25 <br />0.18 <br />8.6 <br />009 <br />010 <br />013 <br />020 <br />028 <br />037 <br />0.41 <br />034 <br />0.26 <br />016 <br />Oil <br />008 <br />253 <br />0.15 <br />0.16 <br />0.22 <br />0.34 <br />0.46 <br />0.62 <br />0.69 <br />0.57 <br />0.43 <br />0.27 <br />0.18 <br />0.14 <br />4.23 <br />Notes* <br />' See Map 1 for the delineation of the de- watering pond exposed water surface area. <br />2Distribution of Annual Evaporation per DWR Guidelines for gravel pits at elevations below 6,500 feet. <br />'Annual evaporation rate are taken from NOAA Technical Report NWS 33. <br />°Effective Precipitation = 0 7 *Avg. Monthly Precip using data from the Northern Colorado Water Conservancy District's Central Ft. Collins weather station from 2002 through 2013. <br />Prepared by TLW <br />Date Prepared 3/13/2013 <br />