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<br />UNITED STATES DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />WATER RESOURCES DIVISION
<br />Utah District
<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />(Provisional records for August 1967)
<br />
<br /> Month1v discharge Maximum dailv Minimum dailv
<br /> Percent of
<br />Stream 2,1 Median (ds) Mean (ds) 30-year
<br /> 1931-60 this month median Cfs-davs Acre-feet Cfs Date Cfs Date
<br />Colorado River
<br />near Cisco, Utah 3,095 2,840 91.8 88,040 174,600 5,750 7 1,440 31
<br />Adjusted 'E,I 3,095 2,675 86.4 82,935 164,500 - - - -
<br />Green River at
<br />Green River, lit. 2,683 3,998 149 123,950 245,900 5,330 13 3,290 23
<br />Adjusted ~I 2,683 2,200 82.0 68,214 135,300 - - - -
<br />San Juan River
<br />near Bluff, Ut. 1,056 2,614 248 81,020 160,700 9,650 12 295 6
<br />Adjusted il 1,056 2,880 273 89,288 177,100 - - - -
<br />
<br /> Total End-of-month Change during I
<br />Reservoir capacity contents month
<br /> Jacre-feet) (acre-feet) (acre-feet)
<br />Blue Mesa 940,800 561,900 -10,100
<br />Flaming Gorge '3,789,000 2,874,400 -110,600
<br />Navajo 1,709,000 637,600 + 16,400
<br />Lake Powell 27,000,000 '8,488,200 -135,780
<br />Totals 33,438,800 12,562,100 -240,080
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<br />2.1 Median of mean discharges for August for30-year
<br />period 1931-60.
<br />'E,I Adjusted for change in storage in Blue Mesa
<br />Reservoir. Storage began November 27, 1965.
<br />~I Adjusted for change in storage in Flaming
<br />Gorge Reservoir. Storage began November 1,
<br />1962.
<br />il Adjusted for change in storage in Navajo
<br />Reservoir. Storage began June 28, 1962.
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<br />Ted Arnow
<br />District Chief (WRD)
<br />Salt Lake City, Utah
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