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Page 2 of 3 <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 />Oct-O6 0.07 39.00 1.33 0.93 1.80 2.24 0.34 <br />Nov-06 0.04 39.00 0.68 0.48 1.08 2.24 0.20 <br />Dec-06 0.03 39.00 0.46 0.32 0.85 2.24 0.16 <br />Jan-07 0.03 39.00 D.40 0.28 0.89 2.24 0.17 <br />Felr07 0.04 39.00 0.38 0.27 1.10 2.24 0.21 <br />Mar-07 0.06 39.00 1.10 0.77 1.38 2.24 0.26 <br /> total 5.48 <br />Year 4 <br />Apr-07 0.09 39.00 1.70 1.19 2.32 2.01 0.39 <br />May-07 0.12 39.00 2.47 1.73 2.95 2.01 0.49 <br />Jun-07 0.15 39.00 1.74 1.22 4.44 2.01 0.74 <br />Jul-07 0.15 39.00 1.13 0.79 5.06 2.01 0.85 <br />Aug-07 0.14 39.00 1.25 0.88 4.39 2.01 0.73 <br />Sep-07 0.10 39.00 1.24 0.87 3.03 2.01 0.51 <br />Oct-07 0.07 39.00 1.33 0.93 1.80 2.01 0.30 <br />Nov-07 0.04 39.06 0.68 0.48 1.08 2.01 0.18 <br />Dec-07 0.03 39.00 0.46 0.32 0.85 2.01 0.14 <br />Jan-08 0.03 39.00 0.40 0.28 0.89. 2.01 0.15 <br />Feb-08 0.04 39.00 0.38. 0.27 1.10 2.01 0.18 <br />Mar-OS 0.06 39.00 1.10 0.77 1.38 2.01 0.23 <br /> total 4.89 <br />Notes: <br />(1) =Monthly fraction of evaporation for elevations below 6500 ft from Guidelines <br />for Substitute Water Supply Plans. <br />(2) =Gross free water surface evaporation from NOAA Technical Report NWS 33 <br />(3) =Mean Rainfall -See AS <br />(4) =Effective Rainfall = 70% Mean Rainfall <br />(5) =Columns (1) x (2) - (4) <br />(6) =Total free water surface area <br />(7) =Columns ((5)!12) x (6) <br />