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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 />Augus t 1972
<br />
<br /> V'I" [p
<br /> Monthly discharge Maximum dai1V" ' 6tlnimum da 11 v
<br /> Percent of 'v
<br />Stream ~/Median (Cfs) Mean (Cfs) 3D-year
<br /> 1931-60 this month median Cfs-davs Acre-feet Cfs Date Cfs Date
<br />Colorado River
<br />near Cisco, Utah 3,095 2,065 66.7 64,020 127,000 2,470 21 1,700 18
<br />Adjusted!?1 1,812 58.5 56,163 111,400 - - - -
<br />Green River at
<br />Green River, Ut 2,683 3,395 127 04,940 208,100 4,370 5 2,870 17
<br />Adjusted~/ 2,653 98.9 82,228 163,100 - - - -
<br />San Juan River
<br />near Bluff, Ut 1,056 481 45.5 14,925 29,600 2,320 28 90 15,16
<br />Adjusted!!.! 127 12.0 3,932 7,800 - - - -
<br />
<br />al Median of mean discharges for the month for 3D-year period 1931-60.
<br />~I 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 />~I 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 /> sq. mi. (acre-feet) (acre-feet) (acre-feet)
<br />Blue Mesa Reservoir near -15,600
<br />Sapinero, Colorado 3,426 829,500 515,900
<br />Flaming Gorge Reservoir at ~I 15,100 3,749,000 3,490,000 -45,000
<br />Flaming Gorge Dam, Utah
<br />Navajo Reservoir near ~I 3,230 1,696,000 915,900 -21,800
<br />Archuleta, New Mexico
<br />Lake Powell Reservoir at
<br />Glen Canyon Dam, Arizona al 107 700 25 002 000 13,071 000 -664,000
<br />Totals 31,276,500 17,992,800 -746,400 I
<br />
<br />!il Approximate
<br />
<br />Leon J. Jensen, Engineer
<br />Salt Lake City, Utah
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