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<br />RIO GRANDE COMPACT COMMISSION REPORT
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<br />Conejos River near Mogote, Colo.
<br />
<br />Location. --Water-stage recorder, lat 37003' 14 n, long 106" 11'13", in SE\SElro sec. 34 IT. 33
<br />N., R. 7 E., on right bank 25 ft upstream from bridge on State Highway 174, 0.4 mile
<br />downstream from Fox Creek, and 5.3 miles west or Mogote. Datum of gage is 8,271.54 ft
<br />above mean sea level.
<br />
<br />Dra1na~e area.--282 sq mi.
<br />Avera~e d1schar~e.--62 years (1904, 1912-72), 332 efs (240,500 acre-ft per year).
<br />
<br />Extremes.--1903-05, 1911-72:
<br />B.50 ft, from rating curve
<br />July 18, 1904.
<br />
<br />Max1mum discharge, 9,000 cfs Oct. 5, 1911 (gage height)
<br />extended above 3,000 cfs; minimum daily determined, 10 cfa
<br />
<br />Remarks.--Records good except those for winter months, which are fair. Diversions above
<br />station for irrigation of about 500 acres. Since 1951 flow partly regulated by P1atoro
<br />Reservoir.
<br />
<br /> Monthlv and vearlv discharge in cubic feet ner second
<br /> Second- Maximum Minimum Runoff in
<br />Month foot-days dail" dallv Mean Acre-feet
<br />January 1,371 53 35 44.2 2)720
<br />February 1,592 86 32 54.9 3)160
<br />March 4,058 170 89 131 8)050
<br />April 8,204 545 107 273 16,270
<br />May 19,696 828 401 635 39,070
<br />June 12,072 680 127 402 23,940
<br />July 2,661 124 54 85.8 5,280
<br />August 1,370 59 37 44.2 2,720
<br />September 1,655 132 40 55.2 3,280
<br />October 7,404 640 47 239 14,690
<br />November 3,392 374 ~~ 113 ~:m
<br />December 1 873 68 60.4
<br />Calendar year 1972 65,348 828 32 179 129,600
<br />
<br />San Antonio River at Ortiz, Colo.
<br />Location.--Water-stage recorder, lat 36059135", long lo6002'171!, in New Mexico 1n NEJ.,;SElro
<br />sec. 24, T. 32 N., R. 8 E., on left bank 800 ft south of New Mexico-Colorado State
<br />line, 0.1+ mile southeast of Ortiz, and 0.4 mile upstream from Los pjnos River.
<br />Altitude of gage is 7,970 ft.
<br />
<br />Draina~e area.--110 sq mi.
<br />Avera~e dischar~e.--32 years (1941-72), 24.6 efs (17,820 acre-ft per year).
<br />Extremes.--1920, 1925-72: Maximum discharge, 1,750 ers Apr. 15, 1937 (gage height, 5.38 ft).
<br />from rating curve extended above 1,000 crs; no flow at ti~es.
<br />Remarks.--Records good above 10 cfs and fair below. A few small diversions above station
<br />for irrigation.
<br />
<br /> Monthlv and vearl dischar"'e in cubic feet ner second
<br /> Second- 1'1aximum Minimum Runoff in
<br />Month foot-davs dail" dailY folean Acre-feet
<br />January 61. 0 4.2 1.6 1. 97 121
<br />February 185.3 21 1.0 6.39 368
<br />March 803 43 13 25,9 1,590
<br />April 665 43 10 22.2 1,320
<br />May 163.7 12 1.1 5.28 325
<br />June 27.74 5.0 0 .92 55
<br />July 0 0 0 0 0
<br />August 0 0 0 0 0
<br />September 4.39 .70 0 .15 8.7
<br />October 105.00 12 .45 3.39 208
<br />November 128.9 6.8 2.0 4,30 256
<br />December 57,2 2.2 1.5 1. 8<; 113
<br />Calendar year 1972 2,201.23 43 0 6.01 4,370
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