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<br />
<br />UNITED STATES DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />Water Resources Division
<br />Utah District
<br />
<br />.
<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />September 1972
<br />
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<br />
<br /> Monthly discharge Maximum dailv Minimum dailv
<br /> Percent of
<br />Stream a/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 3,356 134 100,680 199.700 6,130 20 1,970 2
<br />AdjustedE./ 3,274 131 98,210 194,800 - - - -
<br />Green River at
<br />Green River, Ut 1,816 2,086 115 62,580 124,100 2,620 20 1,580 9
<br />AdjustedE./ 1,665 91. 7 49,962 99,100 - - - -
<br />San Juan River
<br />near Bluff, Ut 990 812 82.0 24,345 48,290 1,920 9 468 27
<br />Ad j us t ed.~.I 512 51. 7 15,372 30,490 ---- - - - -
<br />
<br />a/ Median of mean discharges for the month for 3D-year period 1931-60.
<br />bl 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 I Change during
<br />Reservoir above dam capacity usable contents month
<br /> so. mi. (acre-feet) (acre-feet) (acre-feet)
<br />Blue Mesa Reservoir near
<br />Sapinero, Colorado 3,426 829,500 511,000 -4,900
<br />Flaming Gorge Reservoir at ~/ 15,100 3,749,000 3,465,000 -25,000
<br />Flaming Gorge Dam, Utah
<br />Navajo Reservoir near ~/ 3,230 1,696,000 898,100 -17,800
<br />Archuleta, New Mexico
<br />Lake Powell Reservoir at a/107,700
<br />Glen Canyon Dam, Arizona 25,002,000 12,488,000 -583,000
<br />Totals 31,276,500 17,362,100 -630,700
<br />
<br />~/ Approximate
<br />
<br />Leon J. Jensen, Engineer
<br />Salt Lake City, Utah
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