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<br />WESTEF(N BOUNO,o.RY W"'1[R BULLETIN 191'9 Ir~HRN.o,TIONAL BOut.DAAY M-IO WAHR COMMIS5I~
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<br />COLORADO RIVER AT NORTHERLY INTERNATIONAL BOUNDARY. DISCHARGES
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<br />DESCRIPTION: \o'ate~_9tag" rl!eor'~~r 01'1 tne 1..(. (Arizona) b~r1k ;!.nd cable;;ay Jot H.e ~olnt "~"r-! tile Mr'i"..rl;'
<br />internatJonlll land boundary (Call fornia-B.1jll. California) lnter"eCl' the Colorado R1v~r, about &.~ ro1le,
<br />(10.3 1oI) dOlln9tr~alll frOlll (<:I10rado Rlver below IWlla Main Cansl Wasteway, 5 <l!ll'!!9 (B.O km) weat of !WIl3,
<br />"dZM". 1.' Ill! ll!~ '1.6 1c:!lI) upatream (rolll i'4oreloa Diversion Structure, and at>out C,ne mile ('.6 kill) Joom.nr..am
<br />rrOlll llockwoodGat"" Zerooftn"gagI!19atmeanaealevel,U.S.C &G.S.da'_um. Station la operated b/
<br />the Unit~d State, Section of tile Comml"sl"n.
<br />RECORDS: fu,ed on 3'S current ",eler ",e35ure",enl~ during tn.. year, 21& b, tne Unlt~d 3l~tP.~ Secll'1n, 89 by tne
<br />""'~Jcan SeC'tlnn of tne COIIlIIi"Hon, 10 ~J' lM U. 3. Geologic~1 Surv,,-y, "nd a conUnuou~ record of gage
<br />t,,,,lght", 01,.charge~ 8re comput..d on the ba~lJ of a wat~r-~Uge reCQrder 1,660 fetot {51;..J upsere.... fr,,'" :,~e
<br />northerly 1nt~rn"tI0n.11 boundary I/her~ tne r"llIaln~ of an old ..elr "",rv~ "3 a p&rllal contrQlllng section, A
<br />conllnuou~ gage nelght ,'ecord 13 avallabl", Nov",,,,ber '5, 19~8 through '97:'; ,jai1~ discharge recorda available
<br />January 1, 1950 through 1979,
<br />RE11A~KS: Renrv'llrs on the Colorado ~Iv..r, lncludlng Lake Me3d abo"", Hoov..r Darll, "rJ"'re "tor'age began In 1935,
<br />re~ervolr~ on tho:' Gila ~lver, and 0l3nJ Irrigation d1 versions and return fLo.." r..g"late the rl ver flow at thi~
<br />station except for infr..quent flOOd flows. During 1979, th.. flow al tnls point, "nd lhe e....rgency d"llv"ri.."
<br />for Tljeuma, Baja California "howr, on p'ge 8, r..presente,j th.. total aOlOunt of th" Cvlorado Rh",r wat..r which
<br />~ro,,~ed tne nortrJ.,rll' InternaU'lnd; Ovun.13rr,
<br />EXlREMES. Prior to January '935: i'\3Xlmu" 1n...tantaneou~ ~l~ch"rge estimated abOUl 250,000 second_fe..t,
<br />(1,080 c3/..."cl, January 22, 1916; 1II1nllllum ,ll...chaq~.., no rlow 8ever~1 da,,, dUrln6 Augu~l and SepteOlber 193~;
<br />'l.V~rat>e snnuaL now '3,~43,000 acre-f"el ('6,~Bl,806,00v ",3); Dla<IOlUlll Jnnual flo.. 25,480,000 acr~_feet
<br />(31,4n,325,000 ",3), 1907; IIllnl"'l<lII J.nnu~l n.,.. 1,174,00'l acre-feet (1,448,117,000,,3), 1934, Sine" Janu3ry
<br />, 935: M.a .illlUlll ..,,~n da lly d I.,cha,...e, aDOut 3~. 000 "econd- reet (934 1Il3/,.e~), F'ebruarv 7, 1~42; min iOlUJD
<br />~I~charge, nO rlow during April 1~3S.
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<br />Mean Daily Diacharae in Second-Feet 1979 - Annual and Period Summary
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<br />D., J.n, fib. ...~h April M.. Ju"e July AUI. Sept. Oct. ."" Do<
<br />I 1,790 ',200 2,030 3,540 2,460 S,~OO 5,790 5,660 :', ~80 4,770 4,3<;10 4,290
<br />. 1,450 1,210 2,060 3,730 3,420 4 ,~SO 5,950 5,800 5,650 4,540 4,230 ~, 100
<br />. ',340 1,250 2,210 3,7f,0 3, ~80 4,'nO 5,990 5,780 <;,680 ~. 530 4,100 4,120
<br />. 1,;140 1,31'0 2.280 3, 8~0 3,500 S,'lOO 5,000 6,030 5,6;10 4,730 4,150 ~, 040
<br />. 1,310 1,330 1',340 3,860 3,880 4,920 6,07\1 6,(JIO 5,750 4,750 ],84;; ],900
<br />. ',290 1,390 2,370 3, 8~0 3,940 ~, 900 5,960 6,150 5.160 ~, 700 ~, 020 3,990
<br />, 1,300 1,370 2, ~20 ;1,900 3,960 4,950 5, ~80 6,190 5,550 4,630 4,200 3,960
<br />. 1,310 1,Q50 2, ~50 3,9?0 3,<;1'10 4,9:20 6,030 6,150 5,280 4,590 4,570 3,9)1)
<br />. 1.180 1,660 2, ~90 3,920 4, ~50 4,<;130 6.280 6,000 5,080 ~, 800 ~, 3~0 3,820
<br />10 1,IM 1,620 2,430 3,9'10 4,600 ~. 9~0 6,140 5,330 4,920 4,980 3,960 4,050
<br />H 1,130 1,590 2,390 3,8'JO Q.630 u,930 6,07'0 6,>160 ~, ~~;; 4,!llC 4,])(1 4,310
<br />12 1,130 1,620 2,310 3,PO 4,660 ~, 890 6,060 7,260 ~, ~90 ~, 660 ~, 170 4,Q80
<br />I' 1,130 1,650 2,250 3, ~90 ~, 10Q ~, 900 6,380 8,<;>60 5,000 4.~60 4,050 3.8QO
<br />U \ , 1 ~ 0 1,68G 1',310 3,990 5,110 4,450 6,290 !i,480 4,B30 4, ~80 3,980 4,080
<br />10 1 , 1~0 1,68G 1'.360 3,9ijO 5,110 ~,050 6,340 8,750 ~, 320 5,050 ),990 3,860
<br />II 1,110 1,70G 2,360 3,980 5,220 4,380 6, Q~O 6,590 4,370 6,Q80 3,910 3,570
<br />I' 1,120 1,790 2,380 3,970 5,180 5,130 5,890 7,580 ~, Bzo 5,730 ~,O 10 4,150
<br />II 1,190 ',950 2,3f.0 4,000 5,050 5,490 5,910 8,780 ~, 81'0 ~, 810 ~, 160 4,Q10
<br />II 1,57Q 1,990 2,620 3,980 4, 9~0 5,440 6,'80 ~, 360 5,120 4,250 ~, 1'1U ~, 1:10
<br />" I, ~50 1,950 4,220 3,9~0 4,930 5,380 6,8S0 6,840 5,310 3,980 ~,550 4, O~O
<br />21 1,780 \.920 5,730 3,910 5,3M 5,520 8,780 ~, ,QO 5,110 Q,110 4,720 4,'30
<br />.. 1,<;120 I ,9~O 4,530 3,~80 5,510 5,480 9,020 5,960 5, O~O 4,590 4,870 4,4Bo
<br />.. 1,460 1,950 4,950 3,700 S.230 5,530 7,560 5,690 5,240 U,620 ~, 500 ),770
<br />.. ' , 3~0 2,010 5,390 3,3M 5,290 5,660 6,190 5,170 5,300 ~, 780 q,no 3,720
<br />.. 1,:;3C 2,O7~ ~,28C1 3,)50 5,6'<0 5,760 "', ~70 5,060 5,310 4,300 4,720 3,710
<br />.. 1,610 1',0~0 U,400 3, 1 ~O 5,810 5,560 6,36Q 5, ~50 5,260 Q,020 5,030 5,610
<br />" 1,510 2,010 3,760 3,320 5,590 5, ~20 6,340 5,380 5,170 3.950 4,120 5,'30
<br />.. 1,630 2,020 3,t20 3,070 5,SQO 5,480 5,920 5,550 5,080 3,MO 4,750 4,650
<br />.. 1.670 3,610 2,630 5,310 5,460 5.750 S,650 S,230 ~, 120 ~, 660 4,100
<br />" 1,260 3,610 2,500 5,280 5, ~80 5,740 5,560 5,210 ~. 420 4,630 3,920
<br />'1 1,180 3,500 5,'20 5,800 5, ~60 4,S10 4,2M
<br />S_ 47,370
<br /> nO,950 153,91'J :9~, Q30 '"1,410 128,630
<br />42, ~80 97,040 1 ~7, 440 19",-,,180 155,240 130,S3O
<br /> CU",rrt Y." ln9 ',,,od 1935-'97?
<br /> Eatrelll' GIll ht'el'rleSecond.Feet Aye,ale Totll A"e.Feet
<br />Morrth F..t Hillh I-- L.. SeccIld-
<br /> Hilh Loo Do, D., Feer Acre'Feer "'oelll' MU'IlIuIlI M...il'rlurrr
<br />J..n. 105.36 102,61 " 2.G20 , 9 \.090 1,370 04,250 Jau,ljU 1,6","',00a 31,9CD
<br />F'eb. I O~. 25 102.97 25 2,G8;) , 1,180 1,690 93,957 321,251 1,318,000 50,400
<br />_. lO~. 32 \03. ~9 " 6,"10 , 2,UOO 3,IN 1~2,uT6 334,1'l" r,l20,OOC 19,,"00
<br />,,,.. 105.50 103,94 '" 4,G60 JC 2,470 3,700 220,126 270,299 823,B50 0
<br />.., 109.18 103,93 " 6,110 I ~, QQO 4,760 292, ~~ 3 262,351 1,'51,000 71,405
<br />Jl.IJle 108,05 -105.70 25 5,900 " 3,880 5,130 305,276 251,325 1,17,:>,000 8,500
<br />M, . 110,20 -106.52 " 9,\'0 , 5,51') 6,330 389,117 253,045 753,600 24,400
<br />,,,. 111.13 '06.'3 '5 'i,ti81) 25 5,00Q 6, ~~O 39Q,572 267,5Q,? 791,600 43,800
<br />S,,"~ , :.n,99 10'.;;0 , 5,9:lD '5 J,921) ::,170 307,914 2]2,2;18 \,029.000 53,85'
<br />"",. 109.2<;1 106.Q7 " 6,8S0 " 3,500 ~, 630 284,450 22<;1,779 1,186,000 42,956
<br />NvY, '07,30 105,68 20 5,~20 10 3,810 Q,3S0 258,902 283,957 ',422,000 41, ~03
<br />Dec. 'OB.15 '05,02 " ~, no " 3,500 4,150 255,'3" 371,077 1,832,000 ~2 ,ODD
<br /> 111.13 102,61 9,~80 ',18'} ~. 250 3,078,525 3,Q57,107 10, 5~6,900 722,100
<br />YUrly Mil". Cub,c "'''If' OO' Second Thou"lnd' ,r Cullic "'1"'1
<br /> 33.~7 r j' " I .,," i i 33,4 I 120 3,797,453 I ~,..5~, ]a7 '3,07','70) p.gn,TO?
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<br />And otner d"l'~
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<br />. E~li"'O)led
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