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<br />STREAMFLOW <br />Streamflow for the Colorado River, Green River and San Juan River stations for August 1999 are <br />shown in Table 2, Data presented in the following table was obtained from the monthly report of <br />streamflow and reservoir contents in the Upper Colorado River Basin, as provided by the U.S. <br />Geological Survey Water Resources Division, Utah District. A comparison of monthly <br />streamflow to average monthly streamflow during an 84 year period from 1914 to 1997 is <br />presented for each in figure 2 on page 4. <br /> <br />AUGUST <br />DISCHARGE <br />(1000 aJ.) <br /> <br />Streamflow for the Colorado River, Green River and San Juan River, August 1999 <br />CUMULATIVE % OF 84 YEAR <br />MONTHLY (1914-1997) <br />(AUG 99) CUMULATIVE <br />DISCHARGE DISCHARGE <br />(1000 AF.) (AUG 99) <br /> <br />% OF 83 YEAR <br />(1914-1996) <br />AUGUST <br />DISCHARGE <br /> <br />Table 2. <br /> <br />Colorado River <br /> <br />near Cisco. Ut <br /> <br />Adjusted (a) <br /> <br />Green River <br /> <br />at Green River, Ut <br /> <br />Adjusted (b) <br /> <br />San Juan River <br /> <br />near Bluff, Ut <br /> <br />Adjusted (cl <br /> <br />Total <br /> <br />Adjusted Total <br /> <br />Colorado River <br /> <br />at Lees ferry (d) 1184.0 <br /> <br />(a) Adjusted for change in storage in Blue Mesa Resc:rvoir. Storage began in Blue Mesa Reservoir on October 27, 1965. <br />(b) Adjusted for change in storage in Flaming Gorge and FonteneUe Reservoirs. Storage began in Flaming Gorge Reservoir <br />on November 1. \962, and in fonteneUe Reservoir in October of 1964. <br />(c) Adjusted for change in Navajo Reservoir. Storage began on June 27,1962. Not adjusted for San Juan-Chama <br />diversions. <br />(d) Including the Paria River discharge. <br /> <br />454 <br />425.9 <br /> <br />221% <br /> <br />-l403.6 <br />4579.7 <br /> <br />93% <br /> <br />250.1 <br />227.5 <br /> <br />100% <br /> <br />5168.7 <br />5057.9 <br /> <br />117% <br /> <br />350.1 <br />397.7 <br />1051.1 <br /> <br />368% <br /> <br />\549.2 <br />1910.9 <br /> <br />116% <br /> <br />FORECAST <br />According to the September 15th mid-month forecast, August inflows ranged from104%-591% <br />of average. The September through November forcast ranges from 107%-140%, with Lake <br />Powell increasing to 126% of average. <br /> <br />Table 3. Flow comparisons of the Upper Colorado Basin Reservoirs <br /> PROJECTED PERCENT PAST PERCENT <br /> INFLOW OF INFLOW OF <br /> Sept-Nov 1998 AVERAGE August 1999 AVERAGE <br /> (1000 a.f) (1000 a.f) <br />F ontenelle 165 109% 93 104% <br />Flaming Gorge 200 107% 118 110% <br />Blue Mesa 130 124% 113 170% <br />Navajo \82 140% 230 591% <br />Lake Powell 1950 126% 1169 192% <br />