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<br />RIO GRANDE COMPACT COMMISSION REPORT
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<br />Conejos River near Mogote, Colo.
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<br />Location.-Water-stage recorder, lat 37003'14", long 1060U13.', in SEl 14SEl/4 see. 34, T. 33 N., R. 7 E., on right bank 25 it upstream from
<br />bridge on State Highway 174, 0.4 mile downstream from Fox Creek, and 5.3 miles west of Mogote. Datum of gage is 8,271.54 ft above
<br />mean sea level.
<br />Draina2e area.-282 sq mi.
<br />Avera~ dischar~.--87 years 0904, 1912-97), 331 It' Is (239,800 acre-It per year), ,
<br />Extremes.-1903-05, 19U-97: Maximum discharge, 9,000 ftl Is Oct. 5, 19U (gage height, 8.50 ft), from rating curve extended above
<br />3,100 1t'/s; minimum daily determined, 10 ft' Is July 18, 1904.
<br />RemarkS.-Records good except those for winter months, which are fair. Diversions above station for inigation of about 500 acres.
<br />Since 1951 flow partly regulated by Platoro Reservoir.
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<br /> Monthly and yearly discharge, in cubic feet per second
<br /> Second- Maximum Minimum RWtoff in
<br />Month foot-<lays daily daily Mean acre-feet
<br />January 1,472 55 40 47,5 2,920
<br />February 1,375 56 45 49.1 2,730
<br />March 4,120 243 46 133 8,170
<br />April 6,758 438 113 225 13,400
<br />May 34,014 1,850 311 1,097 67,470
<br />June 45,490 2,180 1,130 1,516 90,230
<br />July 17,609 1,140 330 568 34,930
<br />August 10,487 643 207 338 20,800
<br />September 8,292 565 144 '06 16,450
<br />October 7,545 350 147 243 14,970
<br />November 2,739 198 56 913 5,430
<br />December 1,807 76 46 583 3,580
<br />Calendar year 1997 141,708 2,180 40 388 281,100
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<br />San Antonio River at Ortiz, Colo.
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<br />Location.-Water-slage recorder, la' 36059'35-, long 106"02'17", in New Mexico in NEI/4SEI/4, sec. 24, T. 32 N" R. 8 E" on lef. bank
<br />800 ft south of New Mexico--Colorado State line, 0.4 mile southeast of Ortiz, and 0.4 mile upstream from Los Pinos RiVet. Altitude
<br />of gage is 7,<mJ It
<br />Draina2e area.-110 sq mi.
<br />Avera.. discI1ar...--S7 years 0941-96), 26.21t'/s 08,980 acre-It per year).
<br />Exlremes.--1920, 1925-97: Maximum discharge, 1,750 ft'/s Apr. IS, 1937 (gage height, 5.38 It), !rom rating curve extended above
<br />~1001t'/s; no flowa. times.
<br />Remarks.-Records good. except those for winter months, which are fair. A few small diversions above station for irrigation.
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<br /> Monthly and yearly dischars.e, in cubic feet per second
<br /> Second- Maximum Minimum Runoff in
<br />Month foot-<lays daily daily Mean """,Ieet
<br />January 108.5 43 2.6 3.50 215
<br />February 99,6 43 2.8 3.56 198
<br />March 2,118 198 3.9 70.6 4,340
<br />April 2,545 230 24 84.8 S,DSO
<br />May 6,021 348 56 194 11,940
<br />June 595,9 52 21 19.9 1,180
<br />July 3939 5,7 ,00 1.'0 78
<br />August 82.41 8,4 ,40 2.66 163
<br />September 85,7 13 1.0 2.86 170
<br />October 116.6 9.9 1.7 3.76 231
<br />November 133.2 6.1 29 4.44 264
<br />December 120,9 5,0 3,2 3.90 240
<br />Calendar year 1997 12,136.20 348 ,00 33.2 24,070
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