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<br />34
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<br />RIO GRANDE COMPACT COMMISSION REPORT
<br />
<br />Conejos River near Mogote, Colo.
<br />
<br />Location.--Water-stage recorderJ !at 37003'20", long 106011'20", in SEt sec.34. T.33 N., R.7 E., on right bank
<br />20 ft downstream from bridge on State Highway 174, three-quarters of a mile downstream from Fox Creek
<br />and Sj- miles west of Mogote. Altitude of gage is, 8,240 ft.
<br />
<br />Drainage area.--282 sq mi.
<br />
<br />Average discharge. --52 years (1904, 1912-62), 340 cfs (246,100 acre-ft per year).
<br />
<br />Extremes. --1903-5J 1911-62: Maximum discharge, 9,000 cfs Oct. 5J 1911 (gage heightJ 8.50 ft), from rating curve
<br />extended above 3,000 cis; minimum daily determinedJ 10 cfs July 18, 1904.
<br />
<br />Remarks.--Records good except those for winter monthsJ which are fair. Diversions above station for irrigation of
<br />about 500 acres. Since 1951 flow partly regulated by Platoro Reservoir.
<br />
<br />Monthly and yearly discharge, in cubic feet per second
<br />
<br />Month Second- Maximum Minimum Mean Runoff in
<br /> foot-days dally dally Acre-feet
<br />January . 1,705 55 55 55 3,3!lO
<br />February 1,860 75 53 66.4 3J690
<br />March 2J056 108 52 66.3 4,080
<br />April. 15,875 1J170 92 529 31,490
<br />May. 41,365 1,960 840 1,334 82,050
<br />June 39,305 1,750 870 IJ310 77,960
<br />July 11,918 768 157 384 23,640
<br />August 3,207 169 57 103 6J360
<br />September 1,724 84 45 57.5 3,420
<br />October. 2,264 92 61 73.0 4,490
<br />November. 8,610 763 51 287 17,080
<br />December. 1,404 57 30 45.3 2,780
<br />Calendar vear 1962 131 293 1960 30 360 260 400
<br />
<br />San Antonio River at Ortiz, Colo.
<br />
<br />Location.--Water-stage recorder, lat 37"00', long 106"02'J in New Mexico in sec.19, T.32 N., R.9 E., on left bank
<br />a quarter of a mile south of New Mexico-Colorado state line, half a mile south of Ortiz. and half a mUe upstream
<br />from Los Pinos River. Altitude of gage is 8JOoo ft.
<br />
<br />Drainage area. --110 sq mt.
<br />
<br />Average discharge, --22 years (1941-62), 27.3 cis (19J 760 acre-ft per year).
<br />
<br />Extremes, --1920J 1925-62: Maximum dischargeJ 1,750 cfs Apr. 15J 1937 (gage height, 5.38 ft), from rating curve
<br />extended above 1,100 cfs; no flow at times.
<br />
<br />Remarks.~-Records good above 10 cis and fair below. A few small diversions above station for irrigation.
<br />
<br />Monthly and yearly discharge in cubic feet per second
<br />
<br /> ,
<br />Month Second- Maxlmum Minimum Mean Runoff In
<br /> foot-days dally dally Acre-feet
<br />January . 108.5 3.5 3.5 3.5 215
<br />February 364 13 13 13 722
<br />March 279 9 9 9 553
<br />April. 9,051 581 10 302 17J950
<br />May. 5,035 379 28 162 9,990
<br />June 222.4 26 .4 7.41 441
<br />July . 14.8 2.0 0 .46 29
<br />August 2.6 .7 0 .08 5.
<br />September 17.6 3.8 0 .59 35
<br />October. 69.2 4.5 1.1 2.23 137
<br />November. 74.3 3.0 2.0 2.48 147
<br />December. 61.7 2.8 .9 1.99 122
<br />Calendar vear 1962 15300.1 581 0 41.9 JU, JOU
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