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<br />. <br /> <br />UNITED STATES DEPARTMENT OF THE INTERIOR <br />GEOLOGICAL SURVEY <br />WATER RESOURCES DIVISION <br />Utah District <br /> <br />,nftJ. <br />f~~ <br />t'.) <br />C0 <br />W <br />(..~ <br /> <br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN <br />(Provisional records for March 1969) <br /> <br /> Month1v dischar<te Maximum dai Iv Minimum dail" <br /> Percent of <br />Stream 2./ Median (Cfs) Mean (Cfs) 30-year <br /> 1931-60 this month median Cfs-davs Acre- feet Cfs Date Cfs Date <br />Colorado River <br />near Cisco, Utah 3,059 4,066 133 126,040 250,000 4,530 30 2,750 1 <br />Adjusted b/ 2,837 92.7 87,947 174,440 - - - - <br />Green River at <br />Green River, Utah 3,840 5,844 152 181,160 359,300 6,900 1 3,800 20 <br />Adjusted c/ 5,089 133 157,754 312,900 - - - - <br />San Juan River <br />near Bluff, Utah 1,222 2,598 213 80,530 160,000 3,340 20 2,190 11 <br />Adjusted d/ 1,874 153 58,080 115,200 - - - - <br /> <br />a/ Median of mean discharges for June for 30-year period 1931-60. <br />b/ 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 1, 1962. <br />i/ Adjusted for change in storage in Navajo Reservoir. Storage began June 27, 1962. <br /> <br /> Drainage area Usable End-of-month Change dur ing <br />Reservoir above darn capacity usable contents month <br /> so. mi. (acre-feet) (acre-feet) (acre-feet' <br />Blue Mesa Reservoir nr <br />Saoinero Colorado 3 426 829 500 346 770 -75 560 <br />Flaming Gorge Reservoir at <br />F1amin<t Gor<te Darn Utah 15 100a/ 3 749 000 1 622 700 -46 400 <br />Navajo Reservoir nr 230a/ <br />Archuleta New Mexico 3 1 696 000 662 500 -44 800 <br />Lake Powell Reservoir at <br />Glen Canyon Darn, Arizona 107,700a/ 25,002,000 7,392,000 +55,000 <br /> Totals 31 276 500 10 023 970 -111 760 <br /> <br />2./ Approximate <br /> <br />Ted Arnow, District Chief (WRD) <br />Salt Lake City, Utah <br />