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<br /> Month1v discharge Maximum dailv Minimum dailv
<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 2,487 3,858 155 119,610 237,200 4,550 13 3,090 9
<br />Adjusted ~I 2,840 114 88,028 174,600 - - - -
<br />Green River at
<br />Green River, Utah 1,632 3,108 190 96,360 191,100 4,430 17 2,200 4
<br />Adjusted ::=.1 2,306 141 71,491 141,800 - - - -
<br />San Juan River
<br />near Bluff, Utah 609 1,160 190 35,963 71,330 1,740 2 811 10
<br />Adjusted il 654 107 20,283 40,230 - - - -
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<br />
<br />UNITED STATES DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />WATER RESOURCES DIVISION
<br />Utah Dlstrict
<br />
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<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />(Provisional records for January 1970
<br />
<br />al
<br />bl
<br />"ZI
<br />~/
<br />
<br />Median of mean discharges for the
<br />Adjusted for change in storage in
<br />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 I, 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 nr
<br />Sapinero, Colorado 3,426 829,500 589,700 -62,600
<br />Flaming Gorge Reservoir at
<br />Flaming Gorge Dam, Utah a/ 15,100 3,749,000 1,516,000 -49,300
<br />Navajo Reservoir or
<br />Archuleta, New Mexico a/ 3,230 1,696,000 1,012,300 -31,100
<br />Lake Powell Reservoir at
<br />Glen Canyon Dam, Arizona !,!.I 107,700 25,002,000 9,375,000 -230,000
<br />Totals 31,276,500 12,493,000 -373,000
<br />
<br />!,!.I Approximate
<br />
<br />Ted Arnow, District Chief, WRD
<br />Salt Lake City, Utah
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