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<br />- <br /> <br />-, <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />% Chance Exceedence <br />Peak Dischargtlcfs) <br />2% 1% <br /> <br />Flood Frequency Analysis Results for Each Reach <br /> <br />Standard <br />Deviation <br /> <br />Elevation <br />(ft) <br /> <br />Drainage <br />Area (mi2) <br /> <br />7.2 <br /> <br />e <br /> <br />Tabl <br /> <br />0.2% <br />1,888 <br />5,333 <br />5,482 <br />5,495 <br />10,374 <br />1,391 <br />3,264 <br />12,317 <br /> <br />1,684 <br />4,464 <br />4,589 <br />4,599 <br />8,683 <br />1,234 <br />2,534 <br />10,051 <br /> <br />1,592 <br />4,088 <br />4,203 <br />4,212 <br />7,953 <br />1,155 <br />2,227 <br />9,091 <br /> <br />10% <br />1,356 <br />3,187 <br />3,277 <br />3,284 <br />6,200 <br />931 <br />1,524 <br />6.840 <br /> <br />Skew <br /> <br />0.000 <br />0.000 <br />0.000 <br />0.000 <br />0.000 <br />-0.600 <br />-0.200 <br />0.000 <br /> <br />0.090 <br />0.140 <br />0.140 <br />0.140 <br />0.140 <br />0.180 <br />0.240 <br />0,160 <br /> <br />Mean <br /> <br />3.017 <br />3,324 <br />3.336 <br />3.337 <br />3.613 <br />2.753 <br />2.881 <br />3.630 <br /> <br />8,827 <br />8,600 <br />8,440 <br />8,006 <br />8,000 <br />7,730 <br />7,629 <br />7,655 <br /> <br />70 <br />160 <br />238 <br />289 <br />766 <br />167 <br />061 <br />012 <br /> <br />Reach <br /> <br />2 - Slate River <br />3 - East River <br />4 - East River below Cement Creek <br />5 - East River below Alkali Creek <br />6 - Gunnison River Almont to Ohio Creek <br />7 - Ohio Creek <br />8 - Tomichi Creek <br />9 - Gunnison River Ohio Creek to Tomichi Creek <br /> <br />1 Log values of the mean, standard deviation, and skew for the peak flow <br />affect the trends evident from reach to reach, <br /> <br />Analysis is based on data sets with different periods, which could <br /> <br />USGS gages or approximate elevation at downstream end of reach. <br /> <br />records for each reach <br /> <br />for <br /> <br />reported <br /> <br />Drainage areas and elevations as <br /> <br />01 <br />ex> <br />