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<br />Table 3.--Standard error of estimate, correlation coefficient, and number <br />of streamflow-gaging stations in the regression analysis of 100-year <br />rainfall flood and selected drainage-area characteristics <br /> <br />Drainage area below Total drainage area Number <br />elevation (square miles) (square miles) of <br />Drainage Standard Standard stations <br />area below error of Correlation error of Correlation in <br />elevation estimate coefficient estimate coefficient regression <br />(feet) (percent) (percent) analysis1 <br /> <br />13,000 179 0.81 184 0.81 25 <br />12,000 174 .82 184 .81 25 <br />11,000 151 .85 184 .81 25 <br />10,000 147 .80 191 .73 24 <br />9,000 77 .91 204 .62 22 <br />8,000 44 .95 142 .64 16 <br />7,000 44 .90 84 .66 13 <br />6,000 44 .87 84 .54 9 <br /> <br />lExcluding sites 2 and 4. <br /> <br />~/ <br />