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<br /> RIO GnABDB COJlPJ.CT CCIOlISSIOB
<br /> 1I00000HLT Sl.IDfART 0' DISCHARGE
<br /> RIO GlWIDE HEAR DEL BOR'l'E, COLORADO
<br /> ~c~-Watet' st'p'e t'ecot'det' ill SeC. 29. T ,,0111, R 5 E, 5 IIl1Ies upstre_ hom Pinos
<br /> Creek:,.nd 6 miles wst of Del Worts, .t Stllte Bridgl. From 1889 to September
<br /> 1901, station .aintdned at lite 4 mlles d01lD.streUl.. Reoords are oomparable.
<br /> Dt'dnaJ:' area ~ 1.320 square miles. Zero of ~al!:e 18 1,982.21 feet aboTe meall ..a leTel,
<br /> datum of 1929.
<br /> Reoorde aTllilable - October 11, 1889 to Olo_bet'. 1941.
<br /> Extremes _ lIuimUlll dhcw!!;e dUt'in!!; year, 4.390 ..cond-feet JUJ:M 8: miniAum daily d1sohar~
<br /> - 120 .eoond-foot Janullt'y 16.
<br /> 1889-19471 lIuimum dboh.t'!!;e 18,000 second-feet Ootober 5, 1911 (from r.tiDf;
<br /> our" extended above 6000 ..oend-feet)l mintmUlll daily, 8S lecond-feet Deo. 20. 1945,
<br /> ~ _ Recordl obnlidend excellent except tholle ror period of ice erreot. January 1 to
<br /> 'Ihroh 10, Deoember 6-31, 1941. whioh ""re computed on baets of six diloharge
<br /> measut'e1I\l!Ints, ....thet' t'eoot'dl, and .t'e f.ir. Divet'lions fot' lrt'il!;ation .bove
<br /> statioll, tots1 cap.oity 111,600 aot" feet, and by lSeTet'al lI1Il&ller onu.
<br /> Second- Run~off in
<br /> N:onth foot-daya MaJ:1l11lm. lIini_ ...n Aore.reet
<br />January _ -- - - - -- --- 4.131 175 120 '" 9,360
<br />February - - --- ---- - 4,B88 214 140 174 9,690
<br />lIarch - ---- -- -- - -- 1,433 416 LlO 240 14,140
<br />Apl'il - - ---- - --- -- 15,841 ." 29. 528 31,430
<br />May - --- - - - - - - - 18,516 3,640 788 2,~5 156,900
<br />.]url. - -- - -- - - - -- 86,150 3,910 2,190 2,838 168,900
<br />Jul:l - - - - - - - - - -- 44,216 2,210 .42 1,4:26 81,710
<br />.'_ug1.l1t - - - - - - - - - - - 24,166 1,600 582 .00 49,160
<br />3eptllJ:l:bllt' - - - - - - -- -- 22,364 1,840 '" 74' ".360
<br />Ootober - - - - - - - - -- 11,800 ,,COO 440 574 35,310
<br />NO'Y_ber - -- - - - - - - - 9,137 410- 240 '0' 18.120
<br />Dee.-her - -- - - - - --- 7,622 270 2CO .246 15.1~0
<br />Tear" - - - - - - - lli1 - 0522.550 3.970 120 884 639,800
<br /> RIO GRAlHE NEAR LOBATOS, COLORADO
<br /> Looation _Watet' .t.~, t'ecot'det' in Sea. 22. T 33 K. R 11 E. 6 miles not'th ot Colot'ado-
<br /> - !Jell' lIexioo Sme I1ne, 1 milsa downstrellll ft'OIIl Culebt'a Gresk, at hil!;hwe.y bddge
<br /> 10 miles eut of Lobatos.
<br /> Dt'dnaf!:e area _ 7,700 square mlles (inolude. 2.940 s"uare mil", 1n alosed basin). Zet'O
<br /> of gap.:e is 1.426.79 teet abo" mean sea leTel, datulll of 1929.
<br /> Reoot'dll avanable _ June 1899 to September 1913 .nd October 1933 to Oecembet' 1941 in t'epot'ta
<br /> or Geological SUt'fty. June la9S,to O,oembet' 1947 in t'lIportll of State Engineet'.
<br /> Extrern.es _ lIaximwn dhoherge dut'lr:ig year 1,960 lIeoond-feet l.Iay 11, (gllf!:e height 3.43 feet).
<br /> - minimum daUy dhcharge 31 I18cond-feet August 11.
<br /> 1889-194'h lIaximum di~ch.q;e 13.100 second reet June 8. 1905, f'rcm t'at1r1l!:
<br /> our'" "xtended above 8.000 noond-fntJ :T1inimum daily"dhoharge, 5.0 l!Iecom-
<br /> reet Aug. 4., 1940.
<br /> ~ . Record. oOlllllldel dd exoellent except those fot' pol'rlod of 10e efreot, January 1 to
<br /> Febt'ullry 21, Honmbet' 15. 16, November 20 to Deeember 31, 1941, whioh were oom-
<br /> puted en bll.lia of six discharge meuut'e:meutll, "",.thllt' t'1l00t'dll~ and lIlt'e rail'.
<br /> DiYlt'sioDs for It'rll!;ation ..bun station. Flow t'llgulated by many t'ellllt'voirs on
<br /> headntet'll.
<br /> Konth Seoolld- /'lun-orf in
<br /> foot-day. !',axilllua II1n.... .... A.ere-reet
<br />January _ _ _ ----------- - 1.413 285 210 241 14,.620
<br />Februat'y ----- -- -- - - - - 9,02' 410 270 '" 17.900
<br />Maroh - -- -- - - - - - - -- - 1,884 444 '" 284 15,640
<br />A.pril - -- - -- - - - - - -- - 6,503 '" 88 217 12,900
<br />.., - -- - -- - - -- - - - - 3:1.4~1 1,910 '" 1,081 66,440
<br />- - -- - -- -- -- - - -- 11,579 .79 "' '" 22,910
<br />July _ -- - -- -- --- - --- 5,671 '" 74 '83 11,250
<br />1'-" - -- - - - - - ---- --- :1,160 '" " 10' 6,210
<br />S:eptelllbe~ - -- - - ------ - -- 6,247 7ll 127 20. 12.390
<br />OC'tobn __ - - -- ------ - 5,021 281 98 '82 9,960
<br />~~TIIIIl.blJ' __ - - - - - - - - - - - -- 10,343 472 158 '" 20,520
<br />Deo..ber _ - - - - --------- 9,680 350 270 312 19,200
<br />Tea,. - - - - - - - -1.247_ - U6,082 1,910 " m 230,260
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