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<br />UNITED STATES DEPARTMENT OF THE INIERIOR
<br />GEOLOGICAL SURVEY
<br />WATER RESOURCES DIVISION
<br />Utah District
<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />(Provisional records for December 1967)
<br />
<br /> Month1v dischar"e Maximum dai1v Minimum dail v
<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 2,768 3,736 150 115,840 229,800 4,600 26 3,230 11
<br />Adjusted 'E,I 2,396 86.6 74,289 147,350 - - - -
<br />Green River at
<br />Green River, Ut. 1,829 3,615 198 112,100 222,300 4,820 20 2,110 16
<br />Adjusted ~I 823 45.0 25,511 50,600 - - - -
<br />San Juan River
<br />near Bluff, Utah 632 621 98.3 19,266 38,210 767 1 550 15-21
<br />Adjusted ill 415 65.7 12,861 25,510 - - - -
<br />
<br /> Total End-of-month Change duri ng
<br />Reservoir capacity contents month
<br /> 'acre-feet) (acre-feet) (acre-feet)
<br />Blue Mesa 940,800 432,650 -82,450
<br />Flaming Gorge 3,789,000 2,328,400 -171,700
<br />Navajo 1,709,000 600,700 -12,700
<br />Lake Powell 27,000,000 8,265,000 -81,800
<br />Totals 33,438,800 11,626,750 -348,650
<br />
<br />2.1 Median of mean discharges for Decemher for 30-
<br />year period 1931-60,
<br />'E,I Adjusted for change in storage in Blue Mesa
<br />Reservoir. Storage began November 27, 1965.
<br />~I Adjusted for change in storage in Flaming
<br />Gorge Reservoir. Storage began November 1,
<br />1962. Not adjusted for change in storage for
<br />Fontenel1e Reservoir.
<br />il Adjusted for change in storage in Navajo
<br />Reservoir. Storage began June 28, 1962.
<br />
<br />Ted Arnow
<br />District Chief (WRD)
<br />Salt Lake City, Utah
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