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<br />WE,TERr~ BOutJD^R-( W^TEP BULLlTl~J 1%5 IN1U'N^TION^L oOUr~D^R'Y ~ND \'.^HR (oJM!I.\ISSIGN J;,
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<br />COLORADO RIVER AT SOUTHERLY INTERNATIONAL BOUNDARY - DISCHARGES
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<br />DESCRIPTION: WaLer-9ugc recorder 10cQled In MexI~o;. on lh... rlghl b.aI1l "I the rL,'er .lOOUl 1,000 fec'r ur~tr"'all1 frllm the
<br />~oumerly Inlerr\illlonaJ boUIlddry. 2 mllt-:! We9! OJ San LUIs, ,~rlzonJ.. and 19.4 mllt-s duwm.\J'eam lron\ Mordos [).:Jrn.
<br />Zero of gage IS at mean 5ea level. U. S. C. "G. S. d.ltum.
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<br />RECORDS. During me period J.nu:.ry 20 thHugb lum, II, 1'i6~. a dIversIon dLke ~c'u~s !he river chaJ1nel 2.3 mll"s l>~-
<br />IClw lhe soutl1crly IllterniHionoll bound;Iry c.luse,,] ba"\:wa',,r at UllS sUlIon. and dlschdr,;es dre ba5ed on me Summd!!"n
<br />of now~ III tl1e Colorado RIver al R. S. 13-:>.4.7 mIles upslr"Olm from tl1~ 50utl1<?r-11' Inl"r!W.luonJI bL'undd.ry. anll me
<br />Twenl)"Clne MIle WaSlew.1I', 2.2 miles up,lream from the lioulherly unerna!lon..l t>ound:Iry. COll1pU!allOnS hy ~hillLng
<br /><:ontrol methods. Re,,"rd5. available. D.lll\" dls.::hargel'. J;muary 1950 tl1.ruugb [)eC't-mber 1%5; comlnUOU~ r~cord 01 gage
<br />heIghts, Januarv 1"47 througll DeLcmber 1965, Monthly nOWS for thIS ~1;lIlOn h;lVC been uel-Lved for lh" P"l'l"tI Junuar)'
<br />1935 tl1rough Decenlher 1949 balled On lilt: computed Te~Ord5 of monthly flo....s vi we Colol'atlo RI',"'r ,I, the non.herly
<br />lflternati'lrMl bolunclary combllll'd WIth tl1e m~a~ured monthly flow5 lronl the W::I51".....1.l"9 dls~h"rglflg u1l'J Ul~ houndJ.rY s~c.
<br />rJOnOI the r11.erlf(,m the Yuma PrOject In _~n2<lna.
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<br />REMARKS: R~S<'rvolr~. dIverSions III the Uniled SlOltcS ~nd Me'ICo;., drainage return" and WH~l" n,)WS 1l1l,JIf,. the rlv"r
<br />Do..... al thl, st;lUon. The river flow past tillS stallon 15 deplete!! by ntUnerous pumps ::Inti gravIty dlV('rSlOn~ bClol'~ II
<br />rea.::lles tile Gull 'Jf Callfurnla.
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<br />EXTREMES. Since Jllnuary 1950: M"-'lInum inslJJ\t..:m",o;.us dls~harge, 28,010 sec<lmi-(~~l 'In Dt>cembt:r 18, 1";'2: IllllXll11lIllJ
<br />g"gt' helghl, 84.84 (ee! On Nvvc'mbt:r 19, 1';';'7. Mlnllnum dIscharge, no n"..... on seweral u~"a51(.ns sln.::e Scrtcmber I.
<br />1956.
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<br />Mean Daily Oi.charge in Second Feet 1965 - Annual and Period Summary
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<br />D., J.n. Fell. Mlrch Apnl M., Jvne Jvly AVI. Sept. Ocl. No.. Dec.
<br />1 29.0 tOi 61.lJ 28.'" ZO.9 Lt.7 " , " , 'oo 2_11
<br />, ~7. " "'~. 11 29.9 lS.4 19.1 0,' 0 , 0 " 'Ob 237
<br />, 25.7 35.7 17.1 3;'.;' 1;'.8 8,5 " , 0 0 71B 24U
<br />. 25.7 44.lJ 21.4 ('.78 9.9 17.4 " 0 0 0 oJ' 247
<br />. 20,8 40.U 30.5 on 7,' 9,5 , 0 0 0 50' 21:>8
<br />. 29.0 ~O. 6 30.1 ..0 35.4 6.:- 0 0 , 0 3Jl 28l
<br />, 34.5 -4;'.9 1.~. 0 3.~. ;, 25,5 ., 0 0 0 ~4. 6 '" '53
<br />" 45.3 .H4 17.1 5'1.3 33.2 .., 0 0 0 ,"0 109 227
<br />, 48.0 49.3 5,8 57.1 I~. I ,,' " , 0 456 77.4 223
<br />10 H.O 45.6 9,' 54.0 14.5 ~. 3 0 " 0 49; 72.t> 2411
<br />II 4~. 0 27.4 51.'1 4,.7 11.5 .3 0 0 0 553 47.7 244
<br />12 39.9 27.U 30.6 30.4 11.8 , , " 0 56' 4~.lI W
<br />" 38.6 28.B 2lJ.0 '3.5.9 7,3 , " " " 58; 37.0 23fJ
<br />.. 31.2 32.9 19.4 3lJ.;, 9,0 , , ,; 0 5~6 39.n m
<br />lO 32.3 3lJ.4 18.3 42.0 1'1.5 , , " n 5" 37.0 24(1
<br />" 23.5 3).B 30.8 43.;' 14.2 0 , " 0 5% 3t>.n m
<br />II 12.b 3).0 13.0 41.3 21.7 0 0 0 " '00 10' ~37
<br />18 16.7 27.7 2.~. 1 ,3'1.3 23.2 , 0 " " 1118 182 272
<br />" 31. ~ 3S. ~ 30.0 3'3.(1 10.6 0 " " " 605 210 593
<br />" 18.b 31.4 11.1 31.'1 7,7 0 , ,; 0 6(15 '" 930
<br />21 26,7 18,5 13.2 2l.l 7,' 0 , " 0 02' 27~ 2,.300
<br />" 2l1.1 33.7 l~. 7 12.1 15.7 0 " , " ,OJ '" ~, H,(1
<br />23 16.2 20.8 5,' 1.".4 13.4 " , 0 0 (\18 '" J, ~1Il
<br />" 23.3 18.1 11.3 llJ.8 19.2 0 , , 0 05' 2~0 1,140
<br />" 31.) 21.1 7.7 27.7 20.9 , , " " 050 144 btl2
<br />" 20.2 l~. /) 16.7 31.9 10.8 " , " " 641 2.;4 I, (J~II
<br />" 22.5 14.3 22.U 25."1 11.8 " " " " ", 2~(J 1, ~~(I
<br />" 36. ~ 31.4 25.5 B.O 22.4 0 " " , 028 '" 2,430
<br />" 37.1 30.U S.2 10.5 , " 0 0 651 ''" 1,070
<br />" 31.8 3[L. ~ ~2. 4 15.6 " " " 0 628 2H 7~2
<br />" 23.0 30.6 '1.2 " 0 62~ '"'
<br />'"m 1,028.6 3,UI7.1 72.0 " 14,342.0 2.3,114
<br />-, c18.1 752.5 5n.1 0 , 7, ~76. 7
<br /> Cvrrent Ye.' 14b5 Period 1'135-I'Ib5
<br /> htremt G'le htreme ~econd Feel A~erlllt Tot.' Acre Feel
<br />Month Feel Hilh 0;;- Low Second
<br /> Hi~h L,w D., fret "'(reFeet ....erllt M,.imum M,nimum
<br />Je.n. 76.00 74,61 , 4R.O 18 10. .~ 2~. 6 I.R11 491.13~ 1.6n,OOO 1,321
<br />)'eb. 77, 2~ 74.81 , '46 " 5.9 3t>.7 1,(140 408.8'17 1,385.00(1 2,O4l\
<br />..,.. 76.80 74.43 , '" 10 '.6 24.3 1,4Q) 3;",141 1,117,lIOO 1,49J
<br />A~r . i7.H 74.37 5 1,15U " 3.0 '0' 5,984 210.190 700, ~(l0 on
<br />"" 75.74 74.28 B 69.3 " ,., ". 0 I, 04~ 238,357 1,160,00U 1,U45
<br />J~. 75.03 73.90 J 23.3 , " 0 l. , ,<3 221,992 1,11>0,O(lU ,<3
<br />Jul, " 0 0 0 1~2, '323 772,800 0
<br />^" 0 0 " 0 180,891 7%,0(10 0
<br />Se~t . 0 0 0 " 218,58l l,u)3,000 0
<br />Oct. 76.7'1 74.40 29 68' , , 0 .01 28.448 278,521 1,192,000 '1,120
<br />~ov . 7lJ.7;, i4.9.l 3 713 13 35, , 25'3 I~, 028 367,046 I, 42.~, UlIO 7,180
<br />000. 7'1.60 75.83 .. 3,u24 , 120 7" 45,866 403,6:. 1,8,9,llOO 1,320
<br />e.arll 7'1.00 7390 3,024 0 '" 101,868 ,),0"0.525 10, 688, ~OO '13,204
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<br />1 Ano lJ~tl"r dJY~
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