|
<br />UNITED STATES DEPART~.OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />WATER RESOURCES DIVISION
<br />Utah Di.strict
<br />
<br />.
<br />
<br />r /1?,ee
<br />
<br /><=>
<br />~
<br />['.,
<br />c,;;)
<br />1--'
<br />r-,;.
<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />(Provisional records for April 1968)
<br />
<br /> Month1v dischar"e Maximum dail v Minimum dailv
<br /> Percent of
<br />Stream !ol Median (ds) Mean (c fs) 30-year
<br /> 1931-60 this month median Cfs-davs Acre-feet Cfs Date Cfs Date
<br />Colorado River
<br />near Cisco, Utah 7,061 3,999 56.5 119,980 238,000 5,510 17 3,010 12
<br />Adjusted bl 3,810 53.8 114,285 226,680 - - - -
<br />Green River at
<br />Green River, Utah 7,381 4,718 63.9 141,550 280,800 7,400 23 2,820 I
<br />Adjusted ~I 4,124 55.9 123,722 245,400 - - - -
<br />San Juan River 3,254 1,407 43.2 42,207 83,720 2,100 20 789 11
<br />near Bluff, Utah
<br />Adjusted dl 1,456 44.7 43,671 86,620 - - - -
<br />
<br /> Total End-of-month Change during
<br />Reservoir capacity contents month
<br /> (acre-feet' (acre-feet) (acre-feet)
<br />Blue Mesa 940,800 3.36,160 -11,360
<br />Flaming Gorge 3,789,000 2,025,600 -35,400
<br />Navajo 1,709,000 601,300 + 2,900
<br />Lake Powell 7,000,000 7,459,000 -391,000
<br />Totals 3 438 800 10 422 060 -434 860
<br />
<br />!.I Median of mean discharges for April for 30-year
<br />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 Gorge
<br />Reservoir. Storage began November 1, 1962.
<br />il Adjusted for change in storage in Navajo Reservoir.
<br />Storage began June 28; 1962.
<br />
<br />Ted Arnow
<br />District Chief (WRD)
<br />Salt Lake City, Utah
<br />
|