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<br />UNITED STATES
<br />DEPARTMEN'l' OF THE INTERIOR
<br />GEOLOGICAL SURVEY
<br />COLORADO RIVER AND TRIBUTARIES IN LOWER BASIN
<br />September 1959
<br />
<br />PROVISIONAL RECORDS
<br />
<br /> Colorado Colorado Colorado ID! versions between Colorado Diversions at
<br /> Colorado Paria Little Colorado Virgin River Lake River Havasll River ,Parker and Blythe River Imnerial Dam Colorado
<br />Date River River Colorado River River Lake Mead below Mohave below Lake below Y?lo. R. Palo below Hi \ilia Gila River Pilot
<br />Sept. Lees Lees River Grand Little- Usable Hoover Usable Davis Usable Parker ; Indian Verde Cibola American Gravity River below Knob
<br /> Ferry Ferry Cameron Canyon field Contents Dam Contents Dam Canten ts Dam Res. Canal Valley Canal Canal Dome Yuma Return
<br /> . t
<br /> efs efs efs efs efs acre-ft efs acre-ft efs acre-ft efs efs efs efs efs efs efs efs efs
<br />1 5,970 3,4 45 6,500 60 20,602,000 14,400 1,388,000 14,400 549,200 12,300 610 1,680 11,300 8,860 1,450 5.1 2,130 2,330
<br />2 5,760 3.6 36 6,430 58 20,585,000 14, 200 1,387,000 14,400 550,300 12,000 , 592 1,700 10,900 8,900 1,480 0 2,14'0 2,170
<br />3 5,580 3.9 20 6,220 60 20,566,000 IS,OOO 1,387,000 14,400 550,800 11,600 592 1,720 10,900 8,780 1,500 0 2,210 2,150
<br />4 5,360 3,9 15 5,940 62 20,544,000 14,600 1,387,000 14,500 551,700 12,500 610 1,720 10,400 8,860 1,490 0 2,200 1,950
<br />" 4,960 3,6 12 5,700 62 20,529,000 12,100 1,385,000 12,800 550,800 13,200 616 1,650 10,400 9,010 1,440 0 2,100 1,940
<br />6 4,580 3.9 6.5 5,380 60 20,526,000 7,320 1,375,000 12,700 548,100 13,700 592 1,590 11,300 9,070 1,320 0 2,150 1,940
<br />7 4,230 4,2 2.5 5,010 60 20,520,000 7,310 1,362,000 12,800 544,500 13,400 592 1,880 11,900 9,290 1,410 0 1,950 2,250
<br />8 3,970 3.6 ,5 4,670 58 20,502,000 13,700 1,364,000 12,900 543,600 12,300 585 1,800 11,800 9,340 1,420 0 1,820 2,490
<br />9 3,740 3,4 .1 4,380 58 20,480,000 14,700 1,367,000 13,000 543,600 12,600 , 585 1,720 11,600 9,330 1,470 0 2,040 2,080
<br />10 3,570 3.6 0 4,160 58 20,457,000 16,000 1,373,000 13,900 541,800 11,700 , 603 1,860 11,000 9,290 1,460 0 1,940 1,810
<br />11 3,420 3,6 0 3,950 60 20,433,000 lS,90C 1,375,000 13,800 541,800 12,400 , 605 1,770 11, 200 9,070 1,300 0 2,150 1,650
<br />12 3,200 4,2 0 3,820 64 20,421,000 11,500 1,371,000 13,900 541,800 12,300 614 1,790 10,700 9,160 1,180 0 2,200 1,810
<br />13 3,050 3.9 0 3,610 62 20,407,000 10,100 1,371,000 10,50n 542,700 12,000 593 1,260 11,500 9,450 1,120 0 2,220 2,060
<br />14 2,990 4,5 0 3,440 60 20,381,000 14,200 1,370,000 14,600 539,800 12,200 581 1,500 11,900 ,9,320 1,290 18 1,880 1,890
<br />15 2,900 96 0 3,350 127 20,360,000 13,200 1,367,000 14,600 539,300 12,100 581 1,390 11,200 9,490 1,340 4.3 2,~30 1,980
<br />16 2,960 87 0 3,320 178 20,340,000 12,300 1,362,000 14,600 540,000 11,600 581 1,380 11,500 9,460 1,150 0 2,110 2,200
<br />17 3,160 37 0 3,370 100 20,318,000 11,700 1,357,000 14,200 543,600 11,100 581 1,510 11,100 9,300 1,200 0 2,170 1,840
<br />18 3,680 17 0 3,480 76 20,295,000 13,4.00 1,354,000 14,600 546,300 11,000 569 1,400 10,700 9,370 1,160 0 2,220 1,920
<br />19 3,260 20 0 4,060 68 20,274,000 11, 600 1,350,000 14,600 548,800 11,000 569 1,250 10,300 9,050 1,090 0 2,290 1,620
<br />20 3,400 14 0 3,620 66 20,265,000 7,150 1,341,000 11,100 553,500 10,400 581 1,240 10,600 8,770 1,080 0 2,410 1,300
<br />21 3,500 12 0 3,760 68 20,242,000 14,600 1,347,000 11,500 554,400 11,100 , 581 1,440 10,300 8,710 1,150 0 2,350 1,300
<br />22 4,200 8.0 0 3,860 72 20,210,000 14,200 1,352,000 11,700 555,600 10,500 593 1,500 9,890 8,580 1,270 0 2,120 1,340
<br />23 4,960 6,4 0 4,480 66 20,190,000 13,900 1,357,000 11,700 557,300 10,300 569 1,450 10,400 8,480 1,310 0 1,990 1,140
<br />24 4,830 5.2 0 5,230 64 20,160,000 15,200 1,362,000 11,700 557,300 10,400 569 1,410 9,730 8,660 1,350 0 1,720 1,160
<br />25 4,600 4,5 0 5,100 62 20,133,000 15,500 1,368,000 11,800 558,100 10,000 , 569 1,370 9,170 7,470 1,510 0 1,890 85
<br />26 4,520 4,8 0 4,870 60 20,114,000 12,700 1,368,000 11,600 557,700 9,640 , 559 1,340 9,430 7,410 1,390 0 1,940 0
<br />27 4,350 4.8 0 4,800 58 20,110,00') 7,860 1,364,000 11, 300 558,600 9,970 559 1,500 9,680 7,590 1,130 25 1,930 0
<br />28 4,280 5.2 0 4,610 58 20,084,000 14,500 1,370,000 11,200 559,000 9,920 569 1,310 9,700 7,600 1,140 33 1,760 0
<br />29 4,480 5.2 0 4,490 58 20,065,000 15,300 1,377,000 10,800 558,400 9,780 I 542 1,280 9,680 7,500 1,100 2.8 2,040 0
<br />30 4,550 5.2 0 4,740 58 20,036,000 15,700 1,385,000 11,000 556,700 9,570 541 1,410 9,540 7,650 1,130 0 2,240 0
<br />31
<br />Mean 4,134 12.9 4.59 4,545 69.4 --. 12,990 --- 12,890 --- H,OGO 583 1,527 10,660 8,761 1,294 2.94 2,078 1,480
<br />Acre- 246,000 270,400 4,130 773,200 766,800 679,500 34,680 90,880 634,200 521,300 77,020 175 123,600 88,080
<br />feet 765 273 u_ --- ---
<br /> SEDIMENT
<br />Tons 1,242,000 64,490 --' 1,620,000
<br />
<br />* Furnished by U. S. Bureau of Reclamation, based on powerplant records.
<br />
<br />Lake Mead evaporation by mass-transfer method during month was 79,600 acre-feet,
<br />equivalent to 11.3 inches.
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<br />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 />Oct. 12, 1959
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