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Table No. 3 <br />Mountain Park Concrete <br />Dawson Gulch Spring <br />Evaporative Consumption <br />From Pond Surface <br />Applegate <br />Group, Inc. <br />Date Revised: 6/30/2009 <br />AG Job #: 07-125 <br />Month Percent of <br />Annual <br />Evaporation <br />A Gross <br />Evaporation <br />(ft) <br />C Total <br />Evaporation <br />(acre-feet) <br />D <br />January 1.0% 0.03 0.01 <br />February 3.0% 0.09 0.04 <br />March 6.0% 0.18 0.09 <br />April 9.0% 0.27 0.13 <br />May 12.5% 0.38 0.18 <br />June 15.5% 0.47 0.22 <br />July 16.0% 0.48 0.23 <br />August 13.0% 0.39 0.19 <br />September 11.0% 0.33 0.16 <br />October 7.5% 0.23 0.11 <br />November 4.0% 0.12 0.06 <br />December 1.5% 0.05 0.02 <br />Total 100% 3.00 1.44 <br />Maximum Exposed Water Surface= 0.48 acres <br />Gross Annual Evaporation = 36 inches per NOAA Technical Report NWS 33 <br />Notes: <br />(A) Taken from General Guidelines for Substitute Water Supply Plans for Sand and Gravel Pits Submitted <br />to The State Engineer for elevations over 6500 ft MSL <br />(B) Gross evaporation = (Gross Annual Evaporation / 12) * (A) <br />(C) Total evaporation from exposed water surfaces = (Maximum Exposed Water Surface) * (B) <br />N:\07125 Mt Park Concrete\water rights\BG 1- Parshall Pit\Water Use Summary.xlsx