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<br />
<br />UNITED STATES DEPARTMENT OF THE INTERIOR
<br />GEOLOGI~SURVEY
<br />WATER RESOU~ DIVISION
<br />Utah District
<br />
<br />ffJ. 0
<br />rY~
<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />(Provisional records for September 1969)
<br />
<br />LU
<br />
<br /> Monthlv discharae Maximum dail v Minimum dai1v
<br /> Percent of
<br />Stream !!./ 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 2,508 4,111 164 123,320 244,600 5,030 23 3,160 4
<br />Adjusted b/ 4,114 164 123,420 244,800 - - - -
<br />Green River at
<br />Green River, Utah 1,816 4,053 223 121,580 241,200 3,860 11 3,030 2
<br />Adjusted c/ 2,289 126 68,668 136,200 - - - -
<br />San Juan River
<br />near Bluff, Utah 990 2,054 207 61,630 122,200 4,010 21 1,230 5
<br />Adjusted d/ 1,970 199 59,088 117,200 - - - -
<br />
<br />!!./ Med1an of mean discharges for June for 30-year period 1931-60 .
<br />Q/ 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 />Q/ 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 darn capacity usable contents month
<br /> sa. mi. (acre-feet) (acre-feet) (acre-feet)
<br />Blue Mesa Reservoir nr
<br />Sapinero, Colorado 3,426 829,500 719,800 +200
<br />Flaming Gorge Reservoir at
<br />Flaming Gorge Dam, Utah a/15,100 3,749,000 1,826,000 -105,000
<br />Navajo Reservoir nr
<br />Archuleta, New Mexico a/ 3,230 1,696 , 000 1,144,000 -5,000
<br />Lake Powell Reservoir at
<br />Glen Canyon Darn, Arizona a/l07,700 25,002,000 9,708,000 -224,000
<br />Totals: 31,276,500 13,397,800 -333,800
<br />
<br />!!./ Approximate
<br />
<br />Ted Arnow, District Chief, WRD
<br />Salt Lake City, Utah
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