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<br />.
<br />
<br />UNITED
<br />
<br />STATES DEPAR~ OF THE
<br />CEOLOGIC~URVEY
<br />WATER RESOURCES DIVISION
<br />Utah District
<br />
<br />INTERIOR
<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />(Provisional records for June 1970
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<br /> Monthlv dischar~e Maximum daily Minimum dailu
<br /> Percent of
<br />Stream ~I 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 22,485 22,590 100 677,700 1,344,000 28,000 1 16 , 700 18
<br />AdjusteciE.1 23,921 106 717,620 1,423,400 - - - -
<br />Green River at
<br />Creen River, Utah 19,435 17,190 88 515,700 1,023,000 23,200 12 15,000 29-30
<br />AdiustedE.1 21 494 111 644.820 1. 279 000 - - - -
<br />San Juan River
<br />near Bluff, Utah 5,105 2,386 47 71,590 142,000 2,790 2 2,030 17
<br />Adjustedil 4,087 80 122,612 243,200 - - - -
<br />
<br />a/ Median of mean discharges for the
<br />h/ Adjusted for change in storage in
<br />~I Adjusted for change in storage in
<br />~/ 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 /> Sa. mi. (acre-feet) (acre-feet) (acre-feet)
<br />Blue Mesa Reservoir near
<br />Sapinero, Colorado 3,426 829,500 823,200 +79,400
<br />Flaming Gorge Reservoir at
<br />Flamin\< Gor\<e Dam Utah al 15 100 3 749 000 1 836 000 +256 000
<br />Navajo Reservoir near al
<br />Archuleta, New Mexico 3,230 1,696,000 1,129,000 +101,200
<br />Lake Powell Reservoir at
<br />Glen Canyon Dam, Arizona f!/I07,700 25,002,000 12,065,000 +1,591,000
<br />Totals 31,276,500 15,853,200 +2,027,600
<br />
<br />~I Approximate
<br />
<br />Ted Arnow, District Chief, WRD
<br />Salt Lake City, Utah
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