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<br />I <br /> <br />I <br /> <br />Figure 5.5.3.1 <br /> <br />Reach 6 - Flood Frequency Analysis Results <br /> <br />I <br /> <br />I <br /> <br /> 20000 : <br /> : <br /> 10000 <br /> : <br /> 9000 IiBI <br /> 8000 <br /> 7000 <br /> J.,;,..:e. <br /> 6000 <br />Ul Jm' <br />'0 5000 <br />ai <br />OJ <br />m <br />.r::: <br />0 4000 <br />Ul _n. on. .. <br />i5 <br /> : <br /> 3000 <br /> <br /> <br />.--........ ......... ............ <br />, . <br />. . <br />.,. . <br /> <br />I <br /> <br />I <br /> <br />2000 <br /> <br /> <br />Peak <br /> <br />I <br /> <br />1-DAY <br />3-DAY <br />5-DA Y <br />7-DAY <br />15-DAY <br /> <br />3O-DAY <br /> <br />I <br /> <br />60-DA <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />1000 <br /> <br />I <br /> <br />95 <br /> <br />90 <br /> <br />80 <br /> <br />70 60 50 40 30 20 10 <br />Exceedence Probability <br /> <br />5 <br /> <br />2 <br /> <br />0.5 0,2 <br /> <br />I <br /> <br />ADOPTED STATISTICS: <br /> <br />I <br /> <br />PEAK <br />1-DAY <br />3-DAY <br />5-DAY <br />7-DAY <br />15-DAY <br />30-DA Y <br />SO-DAY <br /> <br />Mean <br />3.613 <br />3.567 <br />3.550 <br />3.536 <br />3.524 <br />3.477 <br />3.423 <br />3.334 <br /> <br />SId Dev <br />0.14 <br />0.14 <br />0.14 <br />0.14 <br />0.14 <br />0.15 <br />0.15 <br />0.15 <br /> <br />Skew <br />0.0 <br />0.0 <br />0.0 <br />0.0 <br />0.0 <br />0.0 <br />0.0 <br />-0.1 <br /> <br />Notes: <br />1. Median Plotting Positions Based on <br />Extended Period of Record, <br />2. Observed Period of Record: 1959-2000. <br />3. Equivalent Years of Record ~ 64 yrs <br />by correlation with tributary <br />4. Drainage area: 845 sq. mi. <br /> <br />GUNNISON COUNTY FLOOD HYDROLOGY <br />GUNNISON RIVER, ALMONT <br />TO OHIO CREEK <br />SNOWMELT FLOW FREQUENCY CURVE <br />REACH 6 <br />U.S. ARMY CORPS OF ENGINEERS <br />SACRAMENTO DISTRICT <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />29 <br />