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25 <br />Gunnison (River <br />Whitewater' Gage <br />May <br />20 ------------- <br />w , <br />V <br />015 - - - - --- - - - - <br />O ' <br />T <br />X <br />3:10 - - - - - - - - - - - - - <br />O <br />Water Development Period <br />1667-1 994 <br /> <br />Exceedence _ <br />May (cfs) <br />100 560 <br />95 1,000 <br />94 1,056 <br />eo i,450 <br />75 2,420 <br />50 4,540 <br />25 7,080 <br />---to---- -9,580- <br />LL <br />5 1-,050 cfs Needed - - - '- - - - - - -' - - - - - - <br />Q Whitewater to Maintain <br />the 300 cfs Flow in the 2,3-mile reach. <br />V <br />25 <br />20 <br />V <br />c15 <br />O <br />O <br />T <br />X <br />3:10 <br />O <br />E <br />0- i i I i <br />0 20 40 60 80 100 <br />Percent of Time Flow Is Exceeded <br />Gunnison (River <br />Whitewater' Gage <br />June <br /> <br />Water Development Period <br />1067-1994 _ <br />- <br />% Exceedence June (c6) <br />100 443- <br />95 772' <br />92 1,056* <br />_ <br />90 1,26Q <br />75 2,040 <br />50 3,730 <br />25 6,560 <br />-To- ` - - -10,00.0- <br />0 -I- t-- ---i t--I- <br />0 20 40 60 80 100 <br />Percent of Time Flow Is Exceeded <br />Figure H.3. Mean daily flow exceedences for May (top) and June (bottom) for the <br />Gunnison River at the Whitewater USGS stream gage during the post- <br />water development period, 1967-1994. The horizontal line at 1,050 <br />represents the minimum amount of water (cfs) needed at the USGS <br />stream gage at Whitewater to provide a minimum of 300 cfs in the <br />2.3-mile reach of the lower Gunnison River immediately downstream of <br />Redlands Diversion Dam. This assumes that Redlands Canal withdraws <br />at least 750 cfs from the river, thus 750+300=1,050. <br />H-6 <br />5