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<br />SAN JUAN RIVE~ BASIN
<br />
<br />317
<br />
<br />09361500 ANl~AS RIVER AT DURANGO. CO
<br />
<br />lOtAfl0N.--la~ 37Q16'~S.. long lOlOSl'~7.. in Sw~Sw~ see.lO, T.35 N., R.9 We, La Plata County, Hydrologic Unit
<br />1~08010~, on left bank at Western Colorado Power Co.'s plant at Durango. 0.8 ~i 11.3 km) upstrea. fro. Lightne(
<br />Creek..
<br />
<br />DRAIHAGE AREA.--b9l .iz (19192 k.z).
<br />
<br />PERIOD Of ReCORO.--~une to DeceMber 1895, April 1896 to Dece_ber 1898. April 1899 to DeceMber 1900, ~arch to
<br />May 1901, April to Hove_ber 1901. Harch to April 1903 (gage heights only, erroneously stated as discredited
<br />in W$P 1563). ~ay to Octoner 1903, July 1904 to DeceMDer 1905, January to DeceMber 1910 (gage neights only),
<br />January to Sept..Der 1911. January 1912 to current year. Monthly or yearly diSCharge only for so~ periods,
<br />published in wSP 1313.
<br />
<br />A.EVIS.EO RECOROS.--wSP 76.te: Drainage area.. wSP 929: 19.17IH). liSP LZ.te.3: 1911. 1918(H). WSP U6.3: 1911-25
<br />(~nthly figures only).
<br />
<br />GAG.E.--Water-stage recorder. Oatu~ of gage is 6.501.51 ft (1.981.679 .) abowe .ean sea level. See ~SP 1113 or
<br />1733 for history of Changes prior to Har. 2. 19l1.
<br />
<br />RE"AR~S.--Records good. Diwersions for Irrigation of about ~.OOO acres (16 k.2) aoowe station. Natural regulation
<br />by many lakes and regulation for power above station.
<br />
<br />AVERAGE OISCHARGE.--72 years Iwater years 1897-1900. 1905. 1911-711, 8ll ft~/s (2.3.56 .~/s', 60l.800 acre-ft/yr
<br />(743 hIl~/yrJ.
<br />
<br />EXTRE~ES faR PERIOD Of RECORO.--"axi~u~ diSCharge. 2S.00a ft~/s (108 .3/5) Oct.. S. 1911. gage height. 11 ft
<br />(J..~ .). present site and datu., from rating curve extended above 13.000 ft3/s 1310 .3/S); mini.u. daily.
<br />9~ ft3/s (2.66 .~/sl Har. Z. 1913.
<br />
<br />EXTRE~ES OUTSIDE PERJOD OF ReC~D.--"axi.u. stage since at least 1885, that of Oct. 5, 1911.
<br />
<br />EXTRE~ES FOR CURRENT VEAR.--Haxi.u. diSCharge. 1,~60 ft3/s (~I.l .3/S) 4une 1. gage height. 3.68 ft (l.lL2 .J,
<br />no peak above base of .te.000 ftJ/s (110 .~/sJ; Mini.u. daily, 129 ft~/s (3.65 .3/5) Har. Ll.
<br />
<br />DISCHARGE. IN CUBIC FEET PER SECO~D. wATER YEAR OCTObER 1910 TO SEPTEMaER 1971
<br />HE AN VALUES
<br />
<br />DAY OCT NDV DE< J.' FEe H.' 'PA HAY JUN JOL """ >EP
<br />1 ...e llU 111 1.' H' I" ., .te9 .." 1110 l.6l 3.2 3),
<br />2 ~l.l 23.. 115 ". H3 1..3 1" ..D. 1150 250 3" 315
<br />3 .teU lo::l 113 ". H3 H' '53 .... 1010 23.. 2.. 3.'
<br />.. ~.i!9 di "' 1.3 1..1 1..1 ...3 ..'0 1030 2... l.te6 ...ll
<br />, ..3. 212 1.' 1.., 1..3 131 1'03 .... 10~0 270 lSlt ....
<br />. ..15 212 1.' '" 1..3 13. ...1 5ll 1110 215 ~21 3",
<br />, 3.. 20. 173 1.3 13' 13' ..., .... lLOO ,.. j; l09 3.'
<br />. 3.2 203 171 15' I" ...1 153 .'1 1160 250 }:lD3 3l:6
<br />. ,.... 203 11. '" ...3 137 171 .00 ll0::0 d.. "~ 00 3DU
<br />10 332 l06 17' ", ,..3 13' 21. '.0 10~O ;~i2lt ". 00 ,..
<br />11 31' 20. 115 157 .... 13' l~O .... .20 1'12 jr 30~
<br />'2 3D. 1" .., 157 I.., 13. 118 ". ala 2" i ..,3 3.,
<br />13 2.. ,.. !b' "3 ...3 13. _ 185 ~8i 770 :~_ Lao ~ 200 39.te
<br />.. l80 ... 113 153 1... 13. ... 'tal HD ;- loa -" li8 ...
<br />15 270 ... 173 ." ...S us ... .." .>> . 19t1 23' ".
<br />.. 2.. I'S 173 "1 HS 13.. D. 381 .10 ~" .,. ...0
<br />17 ,,58 '92 17S ,..3 HS '3; l.te6 37'0 57' ;; 2g~ "0 .."
<br />18 2'" "0 .82 ,... H' ill ,,0 3., 530 770 3"
<br />19 250 ..0 ,71 .... ..., 132 3.' 3.... ..,.. 2.. 720 ".
<br />20 2... ... 1.' ." ..., 130 2.S 320 .... .... .,. ,..
<br />2' 2... ..S 17' ". I..S 12. 230 300 ..0' 37'0 ". llS
<br />2l 250 "0 .., "3 ..., 130 <2' 2'0 3.. ". 530 2.S
<br />B 27' 182 ..S ,..3 H. 130 l'to 310 3.... 3... so. l.9,
<br />" 25.. "0 ..S '" H' 132 310 3.. 33L H't .... ,.,
<br />25 23.. 1.0 ..3 ..., H' 132 ,.... 387 33l ...0 .10 ".
<br />2. 25.. "2 ". ..., I.., 13.. 3" 3.. 3<0 .... ." 250
<br />27 2.. ..0 1.3 ,.., H' 13' ..3. "0 3,. 770 .... lSO
<br />.. 0::60:: '75 1.' 1.., H3 ..., ..01 3.... 3" 730 ..... i50
<br />" lS.te '.3 ..3 I.., .... 39.. ..01 4:'10 .3' ltll. ".
<br />3D 2..2 17. I.' 13' ,.., 37' 570 2.' ." 38' 230
<br />3' 4:~O 1.' 13. .... 0'0 "3. ".
<br />TOTAL 9520 ~901 5218 ~683 ~056 'ILl, 1386 1't69b L09,9 10553 J.dJb 9961
<br />MEAN 3D' .., 170 "1 ,.., 13' 2... ..,. ... 3..0 ..1.. H'
<br />'AX ..,. B.. 182 .., H' ". ". '.0 IUD 770 '10 "'0
<br />HI. 23.. '.3 ". 13. 13' '2' ". 19D 28. 1.. ... Llu
<br />AC-FT 18860 11700 10'tl0 9"90 8050 8't00 1~650 L9150 ~IS70 L0930 25'160 19710
<br />C'L YO 1916 TOTAL lZ7S07 MEAN ." HAX 3580 HIN ". AC-FT ~5HOO
<br />.u y. 1977 TOTAL 110010 ....EAN '02 HAX lliO HIN 14:9 AC-FT l18300
<br /> ~18Jrt
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