<br />January 1972
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<br />UNITED STATES DEPARI1-1E.F THE INTERIOR
<br />CEOLOGICAL ~URVEY
<br />Water Resources Division
<br />Utah District
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<br />STREfJ1FLOW AND RESERVOIR CONTENTS IN UPPER COLORtillO RIVER BASIN
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<br /> IVSEi~ .. W",
<br /> Honthly discharge Haximum dililJ.ll. ~(inimum dai1v
<br /> Percent of "'I~
<br />Stream !!/Nedian (Cfs) Nean (Cis) 30-year
<br /> 1931-60 this month median Cfs-davs Acre-feet Cis Date Cfs Date
<br />Colorado River
<br />near Cisco, Utah 2,487 4,225 172 130,980 259,800 4,990 14 3.320 4
<br />Adjuste<iE.1 3.259 131 101,034 200,400 - - - -
<br />Green River at
<br />Green River, Dt 1,632 3.942 242 122,200 242,400 5,470 16 2,290 7
<br />Adjusted.f.! 2,755 169 85.405 169,400 - - - -
<br />San Juan River
<br />near Bluff, ut 609 1,955 321 60,600 120,200 2,070 4 1,870 13
<br />Adjusted3!/ 940 154 29,140 57,600 - - - -
<br />
<br />al ~!edian of mean discharges for the month for 30-year period 1931-60.
<br />hi
<br />-;./
<br />~/
<br />
<br />Adjusted
<br />Adjusted
<br />Adjusted
<br />
<br />for
<br />for
<br />for
<br />
<br />change in
<br />change in
<br />change in
<br />
<br />storage
<br />storage
<br />stor2ge
<br />
<br />in Blue Hesa Reservoir. Storage began October 27, 1965.
<br />in Flaming Gorge Reservoir. Storage began November 1, 1962.
<br />in Navajo Reservoir. Storage began June 27, 1962.
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<br /> Drainage area Usable ! End-of-month Change during
<br />Reservoir above dam capacity usable contents month
<br /> sa. mi. (acro.-feet) (acre-feet) (acre-feet)
<br />Blue NesCl Reservoir near
<br />Sapinero, Colorado 3,426 829.500 371,700 -59.400
<br />Flaming Gorge Reservoir at !!/15,100 3,749,000 2,632,000 -73,000
<br />Flaming Gorge Dam, Utah
<br />~avajo Reservoir near
<br />Archuleta, New ~~exico "I 3,230 1,696,000 928,900 -62,400
<br />Lake Powell Reservoir at I
<br />Glen Canyon Dam, Arizona ~/107,700 25,002,000 12,943,000 -174,000
<br />Toto'll, 31,276,500 16,875,600 -368,800
<br />
<br />E./ Approximate
<br />
<br />Leon J. Jensen, Engineer
<br />Salt Lake City, Utah
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