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<br />WE,T[~I~ &OU~J[lA~"( 1'-'0",1[,: BULLET 1:'1 1',76. IlnER:'I~Tlor"L E0U~m~,~'- A~~D \\,\Il~ COI.',I\\I:D(I,
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<br />GENERAL HYDROLOGIC CONDITIONS FOR 1976
<br />
<br />San Pedro River
<br />
<br />Du'.h'€, 1976, the aven<.ge annwo.l t""'.PC'rhture \I,,,. ~"llJ\1 ..",--.1. The 'UUluo.l pr""1p1t~tion, uS m"n,;']",!! &t
<br />CONMdo tletlo'1.lll M'ln'-"""nt He'ldQu.&rterJ. "&684% of the 1001_1976 llle&n of 19 25 in~h",;. The ~tream flO\l at the
<br />1I1tNuati"M.l boLilJds.r;- W~5 15,508 ""re_l"et, 75\tof the 1951-1976 no1"lll&J.
<br />
<br />Santa Cruz River
<br />
<br />During 1976, the averag.. '\rulwo.l temperature "v~r the "utersh~j w,': "dlllewh'lt \.elo" nonn&l, "wi the &Jmuel
<br />precip1Ul.tion \Iso about LOi1,t of the 313-jeor 19)9_1Q76 !lIe'Vl. Runoff mearured. at the- lI')gu.le~ Bualng st"tion '"here
<br />the otrelllll re_~nt.ers the '-h1ted St"tes ""'5 15.)5) acre_f""t. The total runoff fo:r the year lll""sured at n~
<br />g"&1ng station nee.r Lo~h1el, Ari;:;on.a, whe:r~ the strelllll enters Mel'-l"" from the United. States ""5 4.<:1j'] "'cre_
<br />f....t. The:r"fo:re, neglect1ng otrelllll flow depletlons lnMexi,:". then;co:rds lnd.1cate"COnt:rlbutlon.;.f ...bout.
<br />11,254 ac:re_feet fr"," the loop of th~ :rive:r lylng 1n Mexl,:o. O:r B.pproumat",ly 7)~of the flov :reaching the
<br />U"gale.'lst..tlon.
<br />
<br />Alamo and New Riven
<br />
<br />DurIng 1976, the average llnnual tCnlperat.ure over the ctr"ird'6e ~reu of the Al~ RIver, as re~o:rJed at El
<br />C"nt.ro,Co.liforn1a, WB.671.1 degree:;;. 1.1d"gree6 belo\l nortoll.l,andove:rt.h"d.ra.l~elU"ellofth" N.... River.
<br />a6 :r""orded at He;.lcal!, Baja Californi6, ! t ~acl 12 degr~e~. eqWL1 to the 51~;;ellJ" ,,-ve:rage.
<br />
<br />At E.l C"-ntro. the pre"ipitatlon 118.'1 ~ .36 inches, ah)Ut 150';\;"f the 46-;;e'lr average; and in Mex1ce..li, the
<br />e.nn....to.l pre;:1p!t6t.l"n lIa~ 5.79 inch"s. 194% of the 51_yellr avel"9.ge. The tot'll flu" ~f the New Rlver ~t the
<br />internn.tio..al oclUtldarl ill 1976 ""6 102 ,684 acre-feet, \lh1~h ""B about l)O~ of the 19~3-1776 nornnl,
<br />
<br />Salton Sea
<br />
<br />During 191C t.he ",ver"se e.nnun.l t=....rature "'''U,"t the S'llton Se'! w"" a~"ut ';11% of t.h" 10118_te:nTl "v~rllOe.
<br />while the ar'U1ual preCipitation recodei..~ R:rll~l"j, Co.llfornia liaS lI"proX!m&leIl 2g7%of the long-tel"'!!] mean.;.f
<br />2 .~O in~h"6. Tile \later surface of the Salt.Un Sea ~QnUnLled to :ri~e d'J:rirlg the yeB.J". Th", ""'JU=.J.lII ~t.age, 229.3
<br />fe"t belo" ",e"." sea level, \I..~ re',,:rded On 1-Iovember 21, 197€', Th" mhu"'-llll ~t~g"', 2)O.Q feet beIO\I _on Bea
<br />level. wa6record"jonJIlJ1Ullr:' 2_4.
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