|
<br />.
<br />
<br />UNITED
<br />
<br />STATES DEPARTMEt;liII.OF THE
<br />GEOLOGICAL~VEY
<br />Water Resources Division
<br />Utah District
<br />
<br />INTERIOR
<br />
<br />~~
<br />
<br />''..l
<br />C,)
<br />.....1
<br />. ,I
<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />Fe bruary 1971
<br />
<br /> Maximum daUv Minimum daUv
<br /> Percent of
<br />Stream ~/ 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 2,690 5,847 217 163,720 324,700 6,310 2 5,230 12
<br />Adjusted!?/ 3,693 137 103,403 205,100 - - - -
<br />Green River at
<br />Green River, Utah 2,074 3,002 145 84,070 166,800 3,350 21,22 2,500 10,12
<br />Adjusted,~) 3,544 171 99,219 196,800 - - - -
<br />San Juan River
<br />near Bluff, Utah 867 2,570 296 71,966 142,700 3,190 4 922 17
<br />AdjustedE./ 1,028 119 28,787 57,100 - - - -
<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 1, 1962.
<br />Navajo Reservoir. Storage began June 27, 1962.
<br />
<br /> Drainage area Usable End-of-month Change during
<br />Reservoir above dam cal'acity usable contents month
<br /> sa. mi. (acre-feet) (acre-feet) (acre-feet)
<br />Blue Mesa Reservoir near
<br />Sapinero, Colorado 3,426 829,500 420,900 -119,600
<br />Flaming Gorge Reservoir at
<br />Flaming Gorge Dam, Utah a/ 15,100 3,749,000 1,807,000 + 30,000
<br />Navajo Reservoir near ~/
<br />Archuleta, New Mexico 3,230 1,696,000 852,000 - 85,600
<br />Lake Powell Reservoir at
<br />Glen Canyon Dam, Arizona a/t07,700 25,002,000 12,414,000 +186,000
<br />Totals 31,276,500 15,493,900 + 10,800
<br />
<br />~/ Approximate
<br />
<br />Leon J. Jensen, Engineer
<br />Salt Lake City, Utah
<br />
|