Laserfiche WebLink
<br />en <br />c.,? <br />~) <br />,~ <br /> <br />( .> <br /> <br />"....' <br /> RIO GRANDE COMPACT COMMISSION <br /> RIO GRANDE NEAR DEL NORTE, COLORADO <br />Location.- In sec. 3D, T. 40, N., R. 5 E.. at highway bridge 6 miles west of Del Norte, Pinos Creek enters 5 miles do,mstre~ <br />Records available.- October 11. 1869. to December 31, 1942. <br />Gage.- Stevens A-50 recorder in standard shelter equipped with pitcher pump and reservoir flushing device, and street key ex. <br />~endlng through recorder sh~lr. oonstructed during February, 1934. replacing old shelter at same site. Located on ri~ht <br /> bank just below highway bridge. Elevation of intake 15 _.06 foot of gage. Reference point 18 slot in screw on recorder <br /> ehelf, elevation 10.89 feet above ~ero of gage. Outside gage 18 standard ch81n type range (0-6.7) on downstr~&m side of <br /> first span frOll1 right end of bridge. <br />Bench Marks.- Ho. 1 is .pike in tree 12 feet west of shelter. Elevation 7.29 ft. above zero of ~a&e. No. 2 is st~dard <br /> bronze tablet set in concrete post located 60 ft. south of shelter just inside fence. Elevation 5.75 ft. above zero of <br /> gag8. Zero of &a~e . 7.982.21 feet above mean sea level. <br />Control.- Looated 150 feet downstream at gravel bar Whioh rarely shifts. S!l.1IlO control for all stages. <br />~ge meuurement8.- (a) Made from cable of 250 ft. lii'pan located 1.500 feet upstrelUltl 10. _ter measurements Jll&lde by <br /> wading near recorcer. (b) Initial point for ~ing is left bank of river. (o) Bed composed of coarse gravel and SJll&lll <br /> boulders. (d) One channel at all stages, depth of water at extreme 10. stage 0.5 ft. Flow fairly smooth and well distri- <br /> buted in oross-section. (e) Channel 8traiSht for half mile above and below station. (t) Banks low and cover6d ..nth brush. <br /> Highway grade prevents overflow around bridge at stage less than 5.5 ft. at left end, snd 6.2 ft. at right end. (g) Condi- <br /> tions favorable for ~courate meaRur~nts. <br />Floods.- See ofriolal records of State Engineer'S ortice. <br />~ow.- Not determined. <br />Winter 1lOW.- lee forms complete cover. <br />Regulatlons.- Flow regulated by reservoirs on headwaters. <br />Diversions.- Few small diversions for irrigation above station. <br />Aoouraoy.- With gage heights tram reoorder, tavorable measuring conditions, and frequent measurements to detine slight <br /> ohanges in control. reoorda ara exoellent. <br />cooperation.- Station ,maintained by the state Engineer in cooperation with U.S.G.S. <br />Day J~. Feb. Mar. Apr. 'ay J=. July Aug. Sept. Oct. tlov. Dec. <br />1 164 140 14D 374 1.270 5'l'0 2,520 1.570 905 275 344 215 <br />2 158 147 142 547 1.'340 5,400 2.190 1,630 706 275 332 159 <br />1 154 150 145 603 1.260 5,280 2.320 1.630 540 270 326 143 <br />4 ~ ,60 ~~ 666 1.320 5,260 2.300 1.620 505 260 320 132 <br />5 170 7"" 1,620 5,190 2.360 1.55~ 526 255 296 125 <br />6 150 160 142 861 1.700 5,330 2,370 1,560 491 250 296 121 <br />7 178 154 145 642 2,020 5.740 2.270 1.450 446 250 302 131 <br />8 205 ~ 150 498 2.360 4.890 2.190 1.260 416 245 285 ",9 <br />9 217 170 61B 2,630 4,960 2,100 1,140 398 235 308 172 <br />10 200 137 200 138 3,170 5.650 1,970 1.100 186 245 285 200 <br />11 185 140 215 1,080 3.270 5,970 1.920 1,150 417 326 280 230 <br />12 170 ".4 210 1,070 3,,40 6,180 1.760 1.180 596 368 290 244 <br />'1 163 138 220 1.030 2.720 5,880 1.730 1,330 512 356 296 246 <br />14 158 127 215 1,530 2.320 5.650 1.840 1.330 470 362 296 246 <br />'5 145 123 255 1.600 2.220 5,030 1,870 1.240 464 168 296 250 <br />16 13B 111 245 1.380 2.210 4.960 1.980 1,180 446 368 290 258 <br />17 137 105 230 1,520 2.240 5,140 2.050 1,160 422 368 ~ 262 <br />18 131 99 245 1.270 2,140 5.210 2,020 1.140 398 362 264 <br />19 136 100 290 960 2,270 5.330 2.050 1.160 374 344 240 262 <br />20 135 112 290 927 2,540 5.070 1,830 1.150 362 332 250 250 <br />21 135 170 265 1.030 3.100 L,n~ 1.660 1.140 350 326 215 237 <br />22 135 17B 270 1.360 3.700 4,390 1,620 1.050 344 326 225 223 <br />23 132 170 280 1.970 4,050 3.970 1,600 1.050 144 138 285 215 <br />24 132 166 280 1.760 4,~ 3.720 1,590 1,060 344 374 255 300 <br />25 132 154 270 1,590 5. 3,150 1.570 1,060 332 386 255 280 <br />26 135 ~ ~~ 1.600 5.860 2,190 1,550 1,020 326 392 205 210 <br />27 i~ 1,460 6,670 2.860 1.550 1.000 114 404 210 199 <br />20 l41 265 1.490 6.280 2.720 1.600 993 102 398 260 208 <br />~ ~~ ' ~~ 1.412 6.230 2.660 1.590 971 285 422 205 222 <br /> 1,3 *:~~ 2,590 i~~ g 6I~ 280 \~ 230 229 <br /> 210 <br /> Month Second- Ilaximum Minimum ~ea.n Run-otr in <br /> toot-days acre-feet <br />January.:.................. ......... .................., 4,755 217 132 153 9.430 <br />February.. ........ ....... ........,.. ............ ....... 1,999 178 99 143 7.930 <br />IlBrch..... ................ ..... ....... .... ....... ...... 7,124 160 140 230 14.130 <br />April. ........ ........... ............ ...... ...,........ 33.710 1.970 374 1.124 66.860 <br />Kay..,....,..,. .......... ...... ................ ........ 101.810 6.670 1.260 3,284 201.900 <br />June. ............. ... ............... ...... ..... .., ..... 141,410 6.180 2.590 4,714 280.500 <br />July. ............. ... ........... ... ...... ..... ......... 59,040 2.520 1,340 1,905 117.100 <br />August.... ... .... .... ................... ........ ....... 37.803 1.630 938 1.219 74,980 <br />September.. ............................................ 13.061 905 280 435 25.910 <br />October...... ...... ....... ..... ............. .... ....... 10.198 422 215 ,329 20,230 <br />November........... ...,.. ....., ..... ........ ........... 8.172 :~ 205 272 16.210 <br />December........... ............ .... .......... .., ....... 6 612 121 2;' P:110 <br /> Year..., ... ........... ... .............. ...... 427.M 6,670 99 1.172 B4B ,290 <br /> <br />27 <br /> <br />,', <br />