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<br />.
<br />
<br />UNITED
<br />
<br />STATES DEPARTMa OF THE INTERIOR
<br />GEOLOGIG~SURVEY
<br />Water Resources Division
<br />Utah District
<br />
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<br />
<br />STREAMFLOW AND RESERVOIR CONTENTS IN UPFEk COLORADO RIVER BASIN
<br />May 1971
<br />
<br />:f.....
<br />
<br />----- - .-----
<br /> Month 1 v discharge
<br /> Percent of
<br />Stream .!/Median (Cfa) Mear: (Cfs) 30-year
<br />-. 1931-60 this month medi3.n Cfs-d!X3 , t.,ere
<br />Colorado River 70
<br />near GiSCO& Utah 18,345 12,850 398,320 79
<br />Adjuste~1 14,580 80 451,98D 89
<br /> --
<br />Green River at 81 372,910
<br />Green River, Dt 14,810 12,029 73
<br />Adjusted.f.1 17 , 738 l2D 549,886 1,09
<br />San Juan River -
<br />near Bluff, Ut 5,334 1,395 26 43,233 I 8
<br />Adjusted!!.! I 2,313 43 71,717 I 14
<br /> ,
<br />
<br />-----)1-!~xim~~ ~si111 Mir~imu~ ,:,,-i'!L--:~~'
<br />,
<br />
<br />-ieet
<br />
<br />,:fs
<br />
<br />- ----
<br /> I
<br />Q..'!t~ CfL
<br />0,31 6,720
<br /> - -
<br /> 20 6,580
<br /> - -
<br />-
<br /> 19 554
<br /> - -
<br />--
<br />
<br />~.s.~
<br />
<br />0,100
<br />6,500
<br />
<br />19,000 3
<br />
<br />3
<br />
<br />!/ Median of mean discharges for the
<br />~/ Adjusted for change in storage in
<br />~/ Adjusted for change in storage in
<br />i/ Adjusted for change in storage in
<br />
<br />9, 700 ~;~:~1
<br />.?-'!001-....:..-~.
<br />
<br />5,750 2,140
<br />2,250 I -
<br />L..___-._
<br />
<br />-~---l
<br />3,4 J
<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 ?7, 1962.
<br />
<br /> - -
<br /> D'cainage area Usable Fnd-of-month Change during
<br /> Reservoir above dam capac ity usable contents month
<br /> sa. mi. (acre- feet) (acre-feet) (acrp.-feet)
<br />Blue Mesa Reservoir near
<br />SSDinero Colorado - 3 426 829,50Q. ------ 365,500 +106,400 --
<br />Flaming Gorge Reservoir at
<br />Flaming Gorge Dam, Utah !-I 15,lOO 3,749,000 2,337,000 +351,000
<br /> - -
<br />Navajo Reservoir near
<br />Archuleta, New Mexico a/ 3,230 I ,696 , 000 925,200 +56,500
<br /> - -- -- .-
<br />Lake Powell Reservoir at
<br />Glen Canyon Dam, Arizona a/l07,700 25,002,000 13,031,000 +520,000
<br /> --- ------.-- -.---- ------ -- -
<br /> Totals I 31 276 500 16,658,700 +1,033,900
<br /> ..___""""---____________1._.1.___ -----------....-- -._-..--
<br />
<br />!!/ Approximate
<br />
<br />Leon J. Jensen, Engineer
<br />Salt Lake City, Utah
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