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<br />Table 2 (A) <br />Computation of: (1) Deviation to Runoff Volume, Dv and <br />(2) Nash.Sutcliffe Coefficient for Simulated 1975. 1994 Mean Water Yield at Julesburg, CO <br /> <br /> - - <br />Month V V' V-V' (V-V')2 (V-V) (V-V)2 Dv (%) <br />Oet 25.6 19.8 5.8 33.64 -14.58 212.58 22.66 <br />Nov 23.4 31.0 -7.6 57.76 -16.78 281.57 -32.48 <br />Dee 32.9 51.2 -18.3 334.89 -7.28 53.00 -55.62 <br />Jan 50.2 59.7 -9.5 90.25 10.02 100.40 -18.92 <br />Feb 50.1 48.3 1.8 3.24 9.92 98.41 3.59 <br />Mar 44.3 41.9 2.4 5.76 4.12 16.97 5.42 <br />Apr 42.0 39.3 2.7 7.29 1.82 3.31 6.43 <br />May 75.9 80.3 -4.4 19.36 35.72 1275.92 -5.80 <br />Jun 80.8 95.7 -14.9 222.01 40.62 1649.98 -18.44 <br />Jul 21.3 0 21.3 453.69 -18.88 356.45 100.00 <br />Aug 12.6 0 12.6 158.76 -27.58 760.66 100.00 <br />Sep 23.1 1.9 21.2 449.44 -17.08 291.73 91.77 <br />Total 1836.09 5100.98 <br />Mean 40.18 39.08 16.55 <br />Std. Dev. 21.53 30.81 52.75 <br /> <br />R2 = 1 - 1836.09 = 1 - 0.362 = 0.640 <br />5100.98 <br />R = 0.800 <br /> <br />Page 11 <br />