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<br />wf',H?r_ BC"JI.IE'fP_, w.^TEP ~ULLETII-' 10'-;6 HnEP~JfTIc.r,^L B('L'''D~Pl' NJ[) ',',f.HP COW.H~~IUJ
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<br />COTTONWOOD CREEK ABOVE BARRETT DAM, CALIFORNIA
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<br />DE.SCRIPl'lm/: St'lff o;'g" l"cll.t~d 1<1llDedlat~1:, up:;treMl from fa~~ of <ium On 'J~:;t -.lde or "ut1et tOiler. B.J.ITett
<br />D9.lIl Ie 10c"t.e.:l on Cotton\l-.JO<i C,.eek 6.5 l!liles (13.7 km) dolll'citre'llll frc.lll ~r~nu D"IO, 1 0li1e (1.6 knlJ d:>.-n5Ue'o..Lll
<br />from the "",uth "I" Pine Valley CI.ee~. and ~l:,out 12 llllle:; (19.3 l:.m) U["'t,...nm fI','" the IIHen'~tiorill1 b"unduy.
<br />z..ro of IY'Be 1~ l,4l!O.12 leet (440.78 Ill) above "",s_n :;~~ level, U. s. c. t.. G. S. dEltlllll.
<br />RU:ORr.6: RecQrdF rel'Ort~d helol1 rcpre~.ent all IIllur r~Il.~h1ng BarTeU 0"", fro", th~ ,uh_~q~ln belo" M.:lreM
<br />Dam, Includ11t(! nl1nful1 on the re6ervo1r \l~ter curf,,'.'" L~akRde, re1",,:;,,:;. t>.!1<l ~p1115 lr"'" M:Jr"n'l R~servolr
<br />IIIe not include'.1. Th" l"floll~ lI..re ~<Jmp1ted r""1ll ~nthl;.' re,erv,,1,- recor.h or Etorage. .relell~"s, epll1s.
<br />1elli-""e, evop.lmtion. w.d rainfall fun.1"hed b:r the ';1ty of S[U\ Diego. C.u.1fornl... P.~cord~ s'J~llBble: .bn_
<br />lJllrY 1921 throllgh 1076. Records of '.tre81!l n"" for I!. :;t'lUon st the <iIl.lIl dte lire ,u;o avsi.Lnble t"I" t.h~
<br />perlod31goE_l';115Md1017_lg20.
<br />REMt,JU;S: St",B.ge beg"." at Bu.rrett Re:;ervolr ln J~"'m:ry 1921. The a,eB-C"?3d ty_elt:vution ~u:rve5 u~ed 1,. the
<br />lnrloll cELlcu.l..ti<:>ns ere dilte,11048, 1951, "-!l0:l1955 ann lIere ru,nl,;hed by the ':1t:, of S'<IlDI"go. C'l.l1!<Jrnh.
<br />G~pac1ty of resp.:t"V)lr ~', t.O~' of 11soh g"tecl on Jpilh'~y (g:.ge height 10B.88 f....t (51.~7 lIli Is 4~.755 o,,~_
<br />feet (55.205.000 1Il J. Cu)..(teity at o>-1l111~i crest (&1ge belght 160.8:3 feet (~?04 m) 15 )7,<150 ~cr~_fe~t
<br />(46,811,OOu Ill)). D..".:I :;tor~ge. 110 "ere. feet (&'17.000 mJ) b"lol1 lo;rp.~t outlet (g&ge helght 5'3.9.5 fe~tl
<br />(17.0~ ml Is indua..a in these ~"p'dt1"'L The e"U:re ~u..,clt;; of Emrrett Res~rvolr IF used ~ rllnJ.oh s
<br />po;o.rtof thellllt..r Bupp1yof the c1lJ'orSnn tJ1edo. Callfon.1f\.
<br />OO'RDl.ES: f":rl.or tv 1Cl)7, lIIoulmum m"nthl:' JJ.EchBrge. ~4,300 "cr~_fe..t (67.505,000 ..3) rebruarJ !C'21; mlnl=,
<br />no no" <:Iud,.,.. s..veral m"nth~ C"I VS:rlOll5 y~~rs.
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<br />Monthly Di.charlfe in Acre-Feet
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<br /> Per,od 19)7_1'1I0
<br />MlInth Curr'nt Y,.r 1976
<br /> A..r.s' MJ,1.mum Minimum
<br />January 27.0 537 ).4)0 5.2
<br />February ~76 1.469 .2o.7?O 1.6
<br />March 262 .2,~75 16.&00 14.1
<br />April 24cj 1,01':> 21,~30 10.2
<br />May 57.2 co, 5.1j0 0
<br />June ;.0 ,,, 1.7)0 0
<br />July '-' 135 1,010 0
<br />August , 76.5 57<1 ,
<br />September m -]0.7 '" ,
<br />October ,., 56.0 6~5 .,
<br />November 10.? '" 1.200 ,
<br />December 0.' COO ),380 u
<br /> 1,275 1,715 ~<;l.)E17 '"
<br />Yearly TI>JuslWd.:iorCublt J.k:ters
<br /> 1,573 I 9,520 I 7).2~) 150
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