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<br />UNITED ~ Sl'ATES
<br />DEPARTMENT OF THE INl'ERIOR
<br />GEOLOGICAL SURVEY
<br />COLORADO RIVER AND TRIBtJI'ARIES IN LOWER BASIN
<br />July 1963
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<br />PROVISIONAL RELEASE
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<br /> Colorado Colorado' Colorado Diversions between Colprado Diversions at
<br /> Colorado Paria Little Colorado Virgin Hi ver Lake River Havasu River Parker and BJythe River Imoerial Dam Colorado
<br />Date River River Colorado River River lake Mead below MohaVe below Lake below Colo. R. Palo below "11 Gila Gila River Pilot
<br /> Lae' lee' River Grand Little- Usable Hoover Usable Davis Usable Parker Indian Verde CiOOle. American Gravity River below Knob
<br />July
<br /> Ferry Ferry Cameron Canyon field Contents Dam Contents Dam Contents Dam Res. Canal Valley Canal Canal Do", Yuma Return
<br /> * t ,
<br /> of, d, d, d, of, acre-ft d, acre-ft d, acre-ft ofs d, d, of, d, or, d, d, d,
<br /> r-; ~,(t.~,qs.
<br />1 2,450 3.2 2,680 'H1ltOOO- 15,000 1,591,000 18,000 596,600 13,600 932 1,950 12,400 9,890 1,800 3.5 1,720 2,440
<br />2 2,470 3.2 2,680 19, 88,000 14,500 1,583,000 16,000 600 , 400 13,400 931 1,860 11, 700 9,380 1,980 2.7 1,570 2,000
<br />3 2,480 3.4 2,640 19,465,000 14,600 1,575,000 17,900 603,200 14,000 925 2,010 11,500 9,320 1,870 5.6 1,590 1,580
<br />4 2,470 3.4 2,6<:10 19,452,000 7,370 1,555,000 16,900 605,600 14,000 923 1,770 11, 700 9,320 1,810 3.4 1,330 1,520
<br />5 2,470 3.2 2,600 19,427,000 14,&:>0 1,548,000 18,400 601,200 14,800 915 2,110 12,000 9,310 1,820 2.7 1,260 1,600
<br />6 2,470 3.2 2,590 19,405,000 12,200 1,535,000 18, 300 609,000 15,000 916 1,900 12,200 9,360 1,8&J 2.4 1,270 1,600
<br />7 2,470 3.2 2,570 19,392,000 8,650 1,526,000 14,500 611,400 15,400 916 1,810 12,500 9,370 1,580 2.1 1,420 1,600
<br />8 2,480 3.4 2,590 19,363,000 16,800 1,528,000 15,900 610,600 15,400 913 1,910 12,700 9,620 1,700 2.1 1,460 1,810
<br />9 2,500 3.6 2,590 19,337,000 17,000 1,530,000 15,800 609,200 15,400 915 1,850 12,800 9,620 1,870 2.1 1,420 1,750
<br />10 1,900 3.8 N 2,570 19,304,000 17,800 1,533,000 16,000 601,000 15,100 913 1,890 13,200 9,860 1,820 2.0 1,39J 1,790
<br />11 1,040 3.8 0 2,420 19,271,000 17,800 1,538,000 15,200 605,€oO 14,500 913 1,930 13,000 9,9€o 1,840 2.3 1,440 1,820
<br />12 1,020 3.6 1,64<> 19,244,000 17,000 1,543,000 14,600 603,000 15,400 905 1,830 12,400 9,940 2,000 3.5 1,480 1,760
<br />13 1,000 3.4 1,410 19,222,000 13,400 1,538,000 14,&x:l 599,600 15,100 902 1,820 13,000 9,650 1,960 3.3 1,430 1,160
<br />,4 1,000 3.4 1,370 19,207,000 9,350 1,532,000 12, 600 596,800 14,900 901 1,790 13,100 9,840 1,670 2.1 1,410 1,980
<br />15 1,000 3.0 F 1,330 19,176,000 16,400 1,530,000 16,500 591,200 15,400 7&J 1,990 12,800 10,100 1,830 1.7 1,400 2,170
<br />,6 1,000 3.0 L 1,300 19,142,000 16,400 1,531,000 16,600 587,600 15,400 902 1,910 12,000 9,970 2,010 1.5 1,380 2,050
<br />'7 1,010 2.6 1,300 19,109,000 16,&:>0 1,530,000 16,500 584,400 15,600 927 1,840 12,900 10,100 2,020 2.0 1,390 2,050
<br />,8 1,010 2.6 0 1,290 19,077 ,000 17,300 1,532,000 16,400 584,400 14,100 947 1,930 13,400 10,100 1,840 1.7 1,330 2,070
<br />'9 1,010 2.6 1,270 19,043,000 17,400 1,532,000 16,400 581,900 15,700 951 2,08:) 12,6)0 10,400 1,900 1.7 1,040 2,340
<br />20 1,010 3.0 W 1,270 19,020,000 12,500 1,525,000 11,400 578,900 15,900 947 2,020 12,900 10,300 1,860 20 1,040 2,400
<br />21 1,000 3.8 1,270 19,002,000 10,400 1,511,000 13,600 576,200 15,600 947 1,710 13,700 10,400 1,630 33 1,070 2,410
<br />22 1,000 4.0 1,260 18,912,000 16,000 1,516,000 16,800 511,300 15,400 947 1,840 13,800 10,600 1,700 74 1,060 2,500
<br />23 1,010 4.0 1,250 18,938,000 16,500 1,514,000 17,300 567,600 15,700 945 1,770 13,600 10,700 1,840 45 1,040 2,460
<br />24 1,010 4.5 1,230 18,904,000 17,300 1,513,OPO 17,700 565,€oO 15,500 942 1,900 13,700 10,700 1,880 12 1,010 2,400
<br />25 1,010 5.0 1,220 18,873,000 17,200 1,511.,000 17,900 565,900 15,000 945 1,870 13,400 10 , 700 1,900 6.4 1,160 2,400
<br />26 1,000 3.8 1,220 18,836,000 16,100 1,506,000 18,200 564,800 15,500 945 1,990 12,900 10,700 1,930 3.5 1,160 2,300
<br />27 1,000 3.0 1,220 18,813,000 12,600 1,494,000 18,800 564,200 15,700 942 1,850 12,800 10,600 1,920 3.0 1,150 2,19:)
<br />28 1,000 3.2 1,230 18,193,000 10,600 1,485,000 15,000 563,300 15,600 935 1,820 13,200 10,200 1,720 2.7 1,060 2,110
<br />29 1,000 2.8 1,250 18,761,000 16,000 1,480,000 18,600 560,300 16,000 933 1,880 13,500 10,100 1,770 2.4 1,240 2,140
<br />30 9&J 3.0 1,260 18,731,000 16,400 1,474,000 18,800 557,100 16,500 925 1,900 13,700 10,300 1,880 2.) 1,180 2,150
<br />31 980 3.4 1,270 18,699,000 15,700 1,465,000 19,000 556,500 16,000 922 1,980 14,200 10, 800 1,950 2.6 1,040 2,370
<br />Mean 1,~ 3.)9 0 .1-,75:J --- L'" " --- "C,Cb<! --- 15,180 923 1,902 12,910 10,040 1,845 8.24 1,288 2,051
<br />Acre- 89,750 208 9:)8,200 1,024,000
<br />feet 0 107,900 --- --- --- 933,400 56,730 116,900 793,600 617,300 113,400 506 19,220 26,100
<br /> SEDIMENI'
<br />Tons --- --- --- 8,960
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<br />* Not available.
<br />t Furnished by U. S. Bureau of Reclamation, based on powerplant records.
<br />Lake Mead evaporation by mass-transfer method during month was 131,000 acre-feet, equivalent to 12.8 inches.
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<br />* Combined flow of river, Yuma Main Canal wasteway and
<br />Reservation Canal Main Drain No.4.
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<br />DOUGLAS D. lEWIS, District Engineer
<br />Tucson, Arizona
<br />August 14, 1963
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