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<br />. <br /> <br />UNITED STATES DEPARTME~F THE INTERIOR <br />GEOLOGICAL IIlVEY <br />WATER RESOURCES DIVISION <br />Utah District <br /> <br />rp/B. <br />2- <br /> <br />. <br /> <br /><:::I <br /><:.:.' <br />rv <br />;:-.0 <br />00 <br />roO::, <br /> <br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN <br />(Provisional records for October 1970) <br /> <br /> Monthlv discharl!e Maximum dailv Minimum daily <br /> Percent of <br />Stream !}./ Median (Cfs) Mean (Cfs) 30-year <br /> 1931-60 this month median Cis -davs Acre-feet Cfs Date Cfs Date <br />Colorado River <br />near CiSCOb Utah 2,940 5,780 197 179,180 355,400 6,810 11 4,650 6 <br />Adjuste~1 5,191 177 160,928 319,200 - - - - <br />Green River at <br />Green River, Utah 2,034 2,834 139 87 , 850 174,300 3,540 4 2,360 8 <br />Adjuste~l 3,014 148 93,421 185,300 - - - - <br />San Juan River <br />near Bluff, Utah 978 2,295 235 71,160 14l,100 2,580 24 2,180 7 <br />Adjustedi/ 1,483 152 45,979 91,200 - - - - <br /> <br />al Median of mean discharges for the <br />b/ Adjusted for change in storage in <br />~/ Adjusted for change in storage in <br />il Adjusted for change in storage in <br /> <br />month for 30-year period 1931-60. <br />Blue Mesa Reservoir. Storage began October 27, 1965. <br />Flaming Gorge Reservoir. Storage began November 1, 1962. <br />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. mi. (acre-feet) (acre-feet) (acre-feet) <br />Blue Mesa Reservoir near <br />Sapinero, Colorado 3,426 829,500 774,200 -36,200 <br />Flaming Gorge Reservoir at <br />Flaming Gorge Dam Utah al 15 100 3 749 000 1 802 000 +11.000 <br />Navajo Reservoir near <br />Archuleta, New Mexico !!I 3,230 1,696,000 1,211,200 -49,900 <br />Lake Powell Reservoir at <br />Glen Canyon Dam, Arizona 2./ 107,700 25,002,000 12,134,000 +95,000 <br />Totals 31,276,500 15,92I,400 +19,900 <br /> <br />!!I Approximate <br /> <br />Leon J. Jensen, Engineer <br />Salt Lake City, Utah <br />