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<br />RIO GRANDE COMPACT COMMISSION REpORT
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<br />34
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<br />Conejos River near Mogote, Colo.
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<br />Location.--Water-stage recorder, 1at 37003'14", long 106011'13", in SE\SE\ sec. 34, T. 33 N., R. 7 E.,
<br />on rLght bank 25 ft upstream fram bridge on State Highway 174, 0.4 mile downstream from Fox Creek,
<br />and 5.3 miles west of Mogote. Datum of gage is 8,271.54 ft above mean sea level.
<br />
<br />Drainaqe area.--282 sq mi.
<br />Averaqe discharge.--69 years (1904, 1912-79), 328 ft3/s (237,600 acre-ft per year).
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<br />Extremes.--1903-05. 1911-79:
<br />from rating curve extended
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<br />Maximum discharge. 9,000 ft3/s oct. 5, 1911 (gage height, 8.50 ft.
<br />above 3.100 ft3/s; minimum daily determined, 10 ft3/s JulY 18. 1904.
<br />
<br />Remarks.--Records good except those for winter months, which are fair. Diversions above station for
<br />lrrlgation of about 500 acreS. Since 1951 flow partly regulated by Platoro Reservoir.
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<br />Monthly and yearly discharge, in cubic feet per second
<br />
<br /> Month Second- Max imum Minimum Mean Runoff in
<br /> foot-days daily daily acre-feet
<br />January 1,301 49 35 42.0 2,580
<br />February 1,254 54 37 44.8 2,490
<br />March 1,986 71 53 64.1 3,940
<br />Apr il 7,314 579 53 244 14,510
<br />May 41,971 2,340 412 1,354 83,250
<br />June 57,230 2,'320 1,190 1,908 113,500
<br />July 29,888 1,6!jO 3B4 964 59,280
<br />August 7,126 36B 109 230 14,130
<br />September 1,985 101 45 66.2 3,940
<br />October 1,385 57 40 44.7 2,750
<br />November 1,188 4B 32 39.6 2,370
<br />December 1,265 45 35 40.8 2,510
<br />Calendar year 1979 153,893 2,340 32 422 305,200
<br /> San Antonio River at Ortiz, Colo.
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<br />Location.--Water-stage recorder, 1at 36059'35", long 106002'17", in New Mexico in NE~SEla, sec., 24,
<br />T. 32 N., R. 8 E., on left bank 800 ft south of New Mexico-Colorado State line, 0.4 mile south-
<br />east of Ortiz, and 0.4 mile upstream from Los pinos River. Altitude of gage is 7,970 ft.
<br />
<br />Drainaqe area.--110 sq mi.
<br />Averaqe discharge.--39 years (1941-79), 24.6 ft3/s (17,820 acre-ft per year).
<br />Extremes.--1920, 1925-79: Maximum discharge~ 1.750 ft3;s Apr. 15, 1937 (gage height, 5.38 ft),
<br />trom rating curve extended above 1,100 ft~/s; no flow at times.
<br />
<br />Remarks.--Records good above 10 ft3;s and fair below. A few small diversions above station for
<br />irrlgation.
<br /> Monthly and yeaJ;ly discharge, in cubic feet per second
<br /> Month Second- Maximum Min imum Mean Runoff in
<br /> foot-days daily daily acre-feet
<br />January 116.0 5.0 2.5 3.74 230
<br />February 115.5 5.5 3.0 4.13 229
<br />March 238.5 13 4.0 7.69 473
<br />April 4,330.5 332 9.5 144 8,590
<br />May 9,984 525 11B 322 19,800
<br />June 1,922.2 IBB 6.B 64.1 3,810
<br />July 79.05 6.4 .15 2.55 157
<br />August 10.14 2.2 0 .33 20
<br />September 0 0 0 0 0
<br />October 20.9 3.0 0 .67 41
<br />November 53.80 3.2 .50 1.79 107
<br />December 60.50 3.0 .50 1.95 120
<br />Calendar year 1979 16,931.09 525 0 46.4 33,580
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