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<br />. <br /> <br />UNITED STATES DEPARTMENT OF THE INTERIOR <br />GEOLOGICAL SURVEY <br />WATER RESOURCES DIVISION <br />UTAH D IS TR ICT <br /> <br />. <br /> <br />o <br />(;;1> <br />['.' <br />(.... <br /> <br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN <br />(Provisional records for September 1968) <br /> <br />en <br /> <br /> Month1v dischar"e Maximum dai1v Minimum dai1v <br /> Percent of <br />Stream !o/ 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 2,508 2,665 106 79,960 158,600 3,000 25 2,350 12 <br />Adjusted b/ 2,218 88.4 66,525 131,950 - - - - <br />Green River at <br />Green River; Utah 1,816 3,96.3 218 118,890 235,800 4,820 1 2,920 6 <br />Adjusted c/ 3,082 170 92,472 183,416 - - - - <br />San Juan River <br />near Bluff, Utah 990 671 67.8 20,123 39,910 1,080 2 554 13,15 <br />Adjusted d/ 316 31. 9 9,485 18, 813 - - - - <br /> <br />a/ Median of mean discharges for June for 3D-year period 1931-60. <br />b/ Adjusted for change in storage in Blue Mesa Reservoir. Storage began Oct. 27, 1965. <br />~/ Adjusted for change in storage in Flaming Gorge Reservoir. Storage began November 1, 1962. <br />~/ Adjusted for change in storage in Navajo Reservoir. Storage began June 27, 1962. <br /> <br /> Drainage area Total End-of-month Change during <br />Reservoir above dam capacity contents month <br /> sa. mi. (acre-feet' (acre-feet) (acre-feet' <br />Blue Mesa Reservoir nr <br />Saoinero Colorado. 3 426 940 800 768 870 -26 648 <br />Flaming Gorge Reservoir at <br />F1amin".Gor"e Dam Utah 15 100 annrox. 3 789 000 2 158 800 -52 400 <br />Navajo Reservoir nr <br />Archuleta New Mexico 3 230 aoorox. 1. 709 000 1 023 100 -21 100 <br />Lake Powell Reservoir at <br />Glen Canvon Dam Arizona 107 700 aoorox. 27 000 000 9 512 000 -246 000 <br />" Totals 33 438 800 13 462 770 -346 148 <br /> <br />Ted Arnow, District Chief (waD) <br />Salt Lake City, Utah <br />