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<br />. <br /> <br />UNITED STATES DEPAR~ OF THE INTERIOR <br />GEOLOGICA..,uRVEY fJ <br />WATER RESOURCES DIVISION ~/1. . <br />Utah District /": <br /> <br />RECPY~ <br /> <br />MAY 8 - 1969 <br /> <br />c:: <br />c:;., <br />r... <br />c.-_ <br />~ <br />cc <br /> <br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN <br />(Provisional records for April 1969) <br /> <br />C\A.U. it..... <br />CIf 151 lllllLll _0 <br /> <br /> Monthlv discharRe Maximum dai1v Minimum dai!v <br /> Percent of <br />Stream !AI Median (Cfs) Mean (Cfs) 3D-year <br /> 1931-60 this month median Cfs-davs Acre-feet Cfs Date Cfs Date <br />Colorado River <br />near Cisco, Utah 7,081 12,745 180 382,360 758,000 23,000 26 5,470 1 <br />Adjusted bl 13,000 184 389,973 773,500 - - - - <br />Green River at <br />Green River, Utah 7,381 9,976 135 299,280 593,600 12,100 11 7,610 1 <br />Adjusted cl 11,480 156 344,346 683,000 - - - - <br />San Juan River <br />near Bluff, Utah 3,254 3,686 113 110,580 219,300 4,230 13,24 2,820 1 <br />Adjusted dl 4,867 150 146,007 289,600 - - - - <br /> <br />!AI Median of mean discharges for June for 3D-year period 1931-60. <br />~I Adjusted for change in storage in Blue Mesa Reservoir. Storage began October 27, 1965. <br />~I Adjusted for change in storage in Flaming Gorge Reservoir. Storage began November 1, 1962. <br />~I Adjusted for change in storage in 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 3,426 829,500 362,270 + 15,500 <br />Blaming Gorge Reservoir at al <br />F1amina Gorae Dam Utah 15 100 3 749 000 1 712 100 + 89 400 <br />Navajo Reservoir nr al <br />Archuleta New Mexico 3 230 1 696 000 732 800 + 70 300 <br />Lake Powell Reservoir at <br />Glen Canvon Dam Arizona al107 .700 25 002 000 8 049 000 +657 000 <br /> Totals 31 276 500 10 856 170 +832 200 <br /> <br />!AI Approximate <br /> <br />Ted Arnow, District Chief (WRD) <br />Salt Lake City, Utah <br />