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<br />. <br /> <br />....... <br />.....:! <br />tJ1 <br />--.1 <br /> <br />. <br /> <br />. <br /> <br />to furnish median flow based on daily averages and CIFSG <br />was furnished this information. Some interesting compar- <br /> <br />isons with the BR's hydrology could be made, but no con- <br /> <br /> <br />clusions could be drawn without delving into the matter <br /> <br /> <br />more deeply than time permitted. <br /> <br />2' <br /> <br />Possible Value of Flow Frequency Analysis <br /> <br />In the course of exploring the matter of median flows with <br /> <br /> <br />the USGS, however, another item of hydrologic interest <br /> <br /> <br />surfaced. Before setting up the program to provide median <br /> <br /> <br />monthly flows based on daily means, the ADS proposed <br /> <br /> <br />approximation of medians based on a daily flow frequency <br /> <br /> <br />analysis, using a program already in being. From a median <br /> <br /> <br />derivation standpoint, this proved unacceptable, but from <br /> <br /> <br />the standpoint of recreational potential, flow frequency <br /> <br /> <br />would appear to be a very useful type of information. <br /> <br /> <br />Recreation not only depends upon the water area having <br /> <br /> <br />suitable depths, velocities, and other criteria - it <br /> <br />depends upon the number of days in a month or in a season <br />of use when such condi t ions may be expected to prevai 1. <br />In this assessment, however, the use of flow frequency was <br /> <br />not explored fully. <br /> <br />45 <br />