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<br />. <br /> <br />UNITED STATES DEPARTMENT OF THE INTERIOR <br />GEOLOGICAL SURVEY <br />Water Resources Division <br />Utah Dis trict <br /> <br />. <br />RECHVED <br />JUN 111973 <br /> <br />o <br />c.:.l <br />r-> <br />"" <br /> <br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BAS IN <br /> <br />.... <br />-...I <br /> <br />May 1973 <br /> <br />COUI. WATER <br />CQlISIJi1$J.Ti61ilH BOARD <br /> <br /> Monthly discharge Maximum dailv Minimum dan;; <br /> Percent of <br />Stream ,!/Med ian (C fs) Mean (Cfs) 30-year <br /> 1931-60 this month median C fs -davs Acre-feet Cfs Date Cfs Date <br />Colorado River <br />near Cisco, Utah 18,345 26,571 145 823,700 1,633,800 41,150 22 11,440 9 <br />Adjuste~/ 29,212 159 905,570 1,796,200 - - - - <br />Green River at <br />Green River, Ut 14,180 19,545 138 605,910 1,201,800 30,200 25 7,530 2 <br />Adjuste~7 22,424 158 695,135 1,378,800 - - - - <br />San Juan River <br />near Bluff, Ut 5,334 8,286 155 256,880 509,500 11,780 22 4,800 4 <br />Adjusted~.1 13,651 256 423,191 839,400 - - - - <br /> <br />,!/ Median of mean discharges for the month for 30-year period 1931-60. <br />~/ Adjusted for change in storage in Blue Mesa Reservoir. Storage began October 27, 1965, <br />~/ Adjusted for change in storage in Flaming Gorge Reservoir. Storage began November I, 1962. <br />~/ Adjusted for change in storage in Navajo Reservoir. Storage began June 27, 1962, <br /> <br /> Drainage area Usable End-of-month Change during <br />Reservoir above dam capacity usable contents month <br /> so, mt. (acre-feet) (acre-feet) (acre-feet) <br />Blue Mesa Reservoir near <br />Sapinero, Colorado 3,426 829,500 471,000 +162,400 <br />Flaming Gorge Reservoir at ,!/ 15,100 3,749,000 3,240,000 +177,000 <br />Flaming Gorge Dam, Utah <br />Navajo Reservoir near a/ <br />Archuleta, New Mexico 3,230 1,696,000 1,504,200 +329,900 <br />Lake Powell Reservoir at ,!/ <br />Glen Canyon Dam, Arizona 107,700 25,002,000 13,852,000 +2,601,000 <br />Totals 31,276,500 19,067,200 +3,270,300 <br /> <br />a/ Approximate <br /> <br />Leon J. Jensen, Engineer <br />~ Salt Lake City. Utah <br />