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<br /> RIO GlWfDB CQJlPACr COJOIISSIOU
<br /> RIO GRABDE 1iE.lR DEL BORTE. COLOlWJO
<br /> Location _ Water stage recorder in Sec. 29, T. 40 N., R. 5 E., 5 miles upstream from Pinos Creek, and 6 miles
<br /> west of,DeI Norte, at State Bridge. From 1889 to September, 1907, station maintained at site four miles
<br /> downstream, records are comparable.
<br /> Dralnaee area - 1,320 square miles. Zero of gage i, 7,982.21 feet above mean sea level, datum of 1929.
<br /> Records available - October 11, 18S9 to December 51, 1943.
<br /> Maximum dischar~e - during period 1889-1945; 18,000 second feet October 5, 1911, from rating curve extended
<br /> above 6,000 second feet. Gage height 6.80 feet. Year 194~; 5,380 second feet June 1. Gage height ~.58.
<br /> Accuracy _ Records considered excellent except those for periods of ice effect, January 1, 1943, March I, 1943,
<br /> March 2-12, 14, 16-22, 1943, wblch were computed on basis of four discharge measurements, weather records,
<br /> and are fair.
<br /> Rem'lrks - Diversions for irrigation above station. now regulated by three reservoirs above station, total
<br /> capacity 117,800 acre feet, and by several smaller ones.
<br />D., J... Feb. Mar. Apr. .., J=e July Aug. Sept. Dot. }lov. Dec.
<br />1 205 228 200 398 2.820 2,820 1.760 ". 905 386 26D 185
<br />2 205 2.5 170 458 3,000 3.250 1.390 746 754 338 .20 17.
<br />J 209 23D 190 60' 2.990 2.810 1.220 666 682 338 235 180
<br />4 210 227 195 722 2.990 2.240 1.140 626 626 326 270 190
<br />5 210 238 180 738 2.910 1,800 993 6" 575 'D8 3D' 210
<br />6 20' 230 160 89. 2.720 1,660 927 598 533 'D8 314 .10
<br />7 211 230 19D 850 2,340 1.110 916 589 ... 302 '26 208
<br />8 .17 238 215 71. 1.810 1.830 .72 568 ... 3D' 20' 203
<br />9 221 240 200 6" 1.620 2,000 89. 55. 458 302 .70 198
<br />10 239 222 19' 596 1.520 2,110 84' 626 '52 3D' 320 16'
<br />11 249 230 193 '98 1.320 2.370 802 610 .28 2.. 302 180
<br />12 251 238 .DO 45. 1.290 2.240 754 642 41D 320 285 188
<br />1J '66 .48 210 446 1.210 2.060 68. 650 398 320 285 180
<br />14 .61 267 .03 519 1.240 1.860 666 674 ... 308 260 112
<br />15 .6D 265 19D 603 1.190 1.700 722 642 426 31. 21S 165
<br />16 26D .69 180 71. 1.140 1.670 754 690 410 308 .06 180
<br />17 245 272 192 67. 1,070 1.660 642 866 398 308 205 'lD
<br />1B lBO 27. 19D 71. 1.060 1.130 589 75. .10 3D. "D .15
<br />19 15D 275 175 93. 1.050 1.770 55. 927 392 332 200 219
<br />20 190 '7' 185 1,090 1,120 1.800 589 927 .8. 356 'DO .20
<br />21 220 28D 189 1.210 1,250 1.840 642 1.020 344 3D' 190 .15
<br />22 ." 285 lB8 1.450 1.260 1.830 674 842 326 3D2 200 20B
<br />2J 23D 315 186 1.780 1.260 1.800 674 138 3D' .20 220 195
<br />24 215 310 188 1.980 1.410 1.760 658 6.. 296 '0. 200 182"
<br />25 185 31D 186 1,950 1,920 1.690 6,. "6 296 3D' 16. 16B
<br />26 170 "5 195 2.050 2.240 1.700 58. 64' 3D. 308 16. 16'
<br />27 lBO 280 235 1.970 2.160 1,640 540 64' 320 30B 122 16.
<br />2B 205 2ijO '90 1,970 2.160 1,560 554 642 35D 314 174 17.
<br />~ 212 35D 2.160 2.610 1,640 540 67' 356 "D 17B 165
<br />::~ I ~~ 2.410 ~~;~ 1.970 566 762 362 380 16. 155
<br /> 698 960 ,,. 180
<br /> ),!"onth Seoond~ llaximUIII Minimum ).!ean Run-off in
<br /> foot-days ..ore-feet
<br />January. .... .... ...... ..... ........ ......... ........... 6.742 261 160 217 13,370
<br />February................. ..... ...... ... ........ ........ 7,253 315 222 259 14,390
<br />March........... ... ........... .... ..... ..: .......... ... 6.619 404 180 21. 13.130
<br />April. ...... ...... .... ....... .... ... .., .......... ...... 32.233 2.410 398 1,074 63.930
<br />May..... ...... ........ ... ... ... ..... ... ... .,. ....... ... 58.100 3,000 1.050 1.874 115.200
<br />June.... .......... ....... .... .... ...................... 58.520 3.250 1.560 1,951 116.100
<br />July....... ..... ............... ..... ... ............. ... 24,472 1.760 ,540 789 48.540
<br />August....................... .................... ...... 21,731 1,020 554 701 43,100
<br />September............................................. . 13.271 905 '96 44' 26.320
<br />October.......... .............. .... .... ... ..... ........ 9,006 410 296 320 19.650
<br />November...... ... '" ....... .... ........ ................ 6.758 320 122 225 13, 400
<br />Dacember......, ........... ..... ...... ..... ............. 5.756 22D 155 186 11,420
<br /> year.... ... .......... .... ....... ... .......... 251.093 3.250 122 688 496.550
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