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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 106011'13", in SE\;SE\; sec. 34, T. 33 N., R. 7
<br />E., on right bank 25 ft upstream from bridge on State Highway 174, 0.4 mile downstream from Fox
<br />Creek, and 5.3 miles west of Mogote. Datum of gage is 8,271.54 ft above mean sea level.
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<br />Drainaqe area.--282 sq mi.
<br />Averaqe discharqe.--71 years (1904, 1912-81), 327 ft3/s (236,900 acre-ft per year).
<br />Extremes.--1903-05, 1911-81: Maximum discharge, 9,000 ftJjs Oct. 5, 1911 (gage height, 8.50 it),
<br />from rating curve extended above 3,100 ft3js; minimum daily determined, 10 ft3/s July 18, 1904.
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<br />Remarks.--Records good except those for winter months, which are fair. Diversions above station
<br />fOr irrigation of about 500 acres. Since 1951 flow partly regulated by P1atoro 'Reservoir.
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<br />Monthly and yearly discharge, in cubic feet per second
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<br /> Month Second- Maximum Minimum Mean Runoff in
<br /> foot-days daily daily acre- fee t
<br />January 1,106 42 33 35.7 2,190
<br />February 1,008 42 30 36.0 2,000
<br />March 1,544 6B 40 49.8 3,060
<br />April 5,763 740 53 192 11,430
<br />i.fay 15,552 965 302 502 30,850
<br />June 18,809 1,410 204 627 37,310
<br />July 4,784 243 91 154 9,490
<br />August 3,235 IBO 6B 104 6,420
<br />September 4,449 260 96 14B 8,820
<br />Oc tobe r 6,251 376 93 202 12,400
<br />November 2,663 122 50 BB.B 5,280
<br />December 1,987 B2 39 64.1 3,940
<br />Calendar year 1981 67,151 1,410 30 IB4 133,200
<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%SE?a, 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.
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<br />Drainaqe area.--ll0 sq mi.
<br />Averaqe discharqe.--41 years (1941-81), 24.5 ft3js (17,750 acre-ft per year).
<br />Extremes.--1920, 1925-81: Maximum discharge~ 1,750 ft3js Apr. IS, 1937 (gage height, 5.38 ft),
<br />from rating curve extended above 1,100 ftjjs; no flow at times.
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<br />Remarks.--Records good except those for winter months, which are fair. A few small diversions
<br />above station for irrigation.
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<br />Monthly and yearly discharge, in cubic feet per second
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<br /> Month Second- Max imum Minimum Mean Runoff In
<br /> foot-days daily daily acre-feet
<br />JanuC!ry 56.7 3.0 1.0 1.83 112
<br />February 91. 2 6.0 1.0 3.26 IBl
<br />March 166.7 B.9 3.B 5.38 331
<br />April 890.9 57 6.1 29.7 1,770
<br />May 323.4 26 3.B 10.4 641
<br />June 69.70 12 0 2.32 13B
<br />July 19.56 5.0 0 .63 39
<br />August 77.06 11 .05 2.49 153
<br />September 67.00 12 .40 2.23 133
<br />Dc tobe r 94.40 B.O .50 3.05 IB7
<br />November 57.90 3.6 .BO 1.93 115
<br />December 73.7 3.4 1.5 2.3B 146
<br />Calendar year 1981 1,988.22 57 0 5.45 3,940
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