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<br />.
<br />
<br />UNITED
<br />
<br />STATES DEPARTME8JF THE
<br />GEOLOGICAL~VEY
<br />WATER RESOURCES DIVISION
<br />Utah District
<br />
<br />INTERIOR
<br />
<br />->t6.~ 'I
<br />Fn~
<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />(Provisional records for March 1970)
<br />
<br />[',I
<br />C;U
<br />OJ
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<br />. -,
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<br /> Month1v dischar~e Maximum daily Minimum dailv
<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 />Co lor ado River
<br />near Cisco, Utah 3,059 4,500 147 139,510 276,700 4,920 3 4,200 I
<br />Adjusted b/ 3,153 103 97,756 193,900 - - - -
<br />Green River at
<br />Green River, Utah 3,840 3,154 82 97,760 193,900 4,120 2 2,670 24
<br />Adjusted c/ 3,105 81 96,244 190,900 - - - -
<br />San Juan River
<br />near Bluff, Utah 1,220 1,912 156 59,280 117,600 2,520 2 1,590 25
<br />Adjusted if 844 69 26,166 51,900 - - - -
<br />
<br />al Median of mean discharges for the month 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 />4/ 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. mi~ (acre-feet) (acre-feet) (acre-feet)
<br />Blue Mesa Reservoir neaT
<br />Sapinero, Colorado 3,426 829,500 410,800 -82,800
<br />Flaming Corge Reservoir at
<br />Flaming Gorge Dam, Utah al 15,100 3,749,000 1,484,000 - 3,000
<br />Navajo Reservoir near
<br />Archuleta, New Mexico a/ 3 230 1 696 000 859 200 -65 700
<br />Lake Powell Reservoir at
<br />Glen Canyon Dam, Arizona !!-/ 107,700 25,002,000 9,535,000 +96,000
<br />Totals 31,276,500 12,289,000 -55,500
<br />
<br />2.1 Approximate
<br />
<br />Ted Arnow, District Chief, WRD
<br />Salt Lake City, Utah
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