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Analysis of available peak streamflows, shown in Figure 2, suggests that peak flows in the <br /> Rogue River will, in many years, reach the 8 -10 thousand cfs region. Occasionally flows will <br /> be seen as high as 15,000 cfs. Median streamflows are shown in Figure 3: <br /> Mean of Monthly Flows, Rogue River at Grants <br /> Pass <br /> 7,000 - -- -- -- -- _____ <br /> 6,000 <br /> 5,000 <br /> w 4,000 <br /> u 3,000 <br /> 2,000 <br /> 1,000 <br /> 0 <br /> Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec <br /> Figure 3. Average Mean of Monthly Stream flows for the Rogue River near at Grants Pass. <br /> Figure 3 illustrates the average mean of monthly streamflows. It should be noted that these <br /> flows are substantial and, in combination with the gradient seen at the sites listed above, can <br /> be used to create a very attractive Whitewater Park. Minimum flows commensurate with the <br /> summer levels should be used to tailor the width and depth of low flow channels. The <br /> summer season can be expected to be the height of the tourist season so special <br /> consideration should be given to tailoring attractive whitewater features to these levels <br /> Ideal levels are difficult to target given the large month to month variability of flow levels. <br /> Designs should be created that are extremely versatile with respect to flow rates, thus taking <br /> advantage of the low summer flows while still providing play attractive play features during <br /> the winter months. <br /> 11 <br />