Laserfiche WebLink
<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />HYDROLOGY <br /> <br />I1-25 <br /> <br />the 14-year 1972-1985 period for only the May-September boating season on <br />the South Platte River. Table I1-16 summarizes findings related to the <br />May-September flow duration. <br /> <br />During 1978 low-flow conditions, the May-September period would contain 49 <br />days of available suitable flow for the boating by-pass of 50 to 400 cfs. <br />During the remainder of the time, there is not enough water in the river <br />for boating. <br /> <br />TABLE 11-15 <br />FLOW DURATION <br />NUMBER OF DAYS OF SELECTED FLOW <br />SOUTH PLATTE RIVER AT LITTLETON <br />1972-1985 (12 months) <br /> <br />Rate of Flow [cfs] <br /> <br />No. of Days <br /> <br />Percent of Time [%] <br /> <br />40 <br />65 <br />100 <br />150 <br />200 <br />300 <br />400 <br />600 <br />800 <br />1000 <br />1200 <br />1500 <br />2000 <br />3000 <br /> <br />3686 <br />2421 <br />2342 <br />1806 <br />1488 <br />1078 <br />824 <br />587 <br />454 <br />334 <br />288 <br />237 <br />146 <br />22 <br /> <br />72.1 <br />47.3 <br />45.8 <br />35.3 <br />29.1 <br />21.1 <br />16.1 <br />11.5 <br />8.9 <br />6.5 <br />5.6 <br />4.6 <br />2.8 <br />0.4 <br /> <br />