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<br />UNITED STATES DEPARTMENT OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />WAT~R RESOURCES DIVISION
<br />Utah District
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<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPPER COLORADO RIVER BASIN
<br />(Provisional records for May 1967)
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<br /> Month1v dischar"e IMax1mum c1ai ly. Min1mum c1a1ly I
<br /> Percent of I
<br />Stream ~I Median (cfs) Mean (efs) 30-year
<br /> 1931-60 this month median Cfs-davs Acre-feet Cfs Date, Cfs Date
<br />Colorado River
<br />, near Cisco, Utah 18,345 7,494 40,9 232,310 460,800 20,370 2 1,720 9
<br />Adjusted 'E,I 18,345 8,719 47.5 270,284 536,100 - . - -
<br />Green River at
<br />Green River, Ut. 14,810 7,072 47.8 219,240 434,900 14,000 .26-31 2,900 2
<br />Adjusted ~I 14,810 8,629 58.3 267,511 530,600 - - - -
<br />San Juan River
<br />near Bluff, Ut. 5,334 1,343 25.2 41,648 82,610 2,900 27-31 223 11
<br />Adjusted !il 5,334 3,012 56.5 93,377 185,210 - - - -
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<br /> Total End-of-month Change during
<br />Reservoir capacity contents month
<br /> (acre-feet' (acre-feet) (acre-feet)
<br />Blue Mesa 940,800 450,900 +75,300
<br />Flaming Gorge 3,789,000 2,250,700 +95,700
<br />Navajo 1,709,000 484,100 +102,600
<br />Lake Powell 27,000,000 7,168,800 +102,800
<br />Totals .33,438,800 10,354,500 +376,400
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<br />~I Median of mean discharges for May 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
<br />Gorge Reservoir. Storage began November 1,
<br />1962.
<br />ill Adjusted for change in storage in Navajo
<br />Reservoir. Storage began June 28, 1962.
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<br />Ted Arnow
<br />District Chief (WRD)
<br />Salt Lake City, Utah
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