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<br />RIO GRANDE COMPACT COMMISSION REPORT
<br />
<br />34
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<br />Conejos River near Mogote, 0010.
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<br />Location.--Water-stage recorder, lat 37003114~, long 106011'13", in SE\SE\ sec. 34, T. 33 N., R. 7 E.,
<br />on rlght bank 25 ft upstream from 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 />
<br />Averaqe discharQe.--70 years (1904, 1912-80), 329 ft3js (238,400 acre-ft per year).
<br />
<br />Extremes.--1903-05, 1911-80:
<br />from rating curve extended
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<br />Maximum discharge, 9,000 ft3js Oct. 5, 1911 (gage height, 8.50 ft),
<br />above 3,100 ftJ/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 />irrigation of 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- Max imum Minimum Mean Runoff in
<br /> foot-days daily daily acre-feet
<br />January 1,206 48 32 38.9 2,390
<br />February 1,592 48 32 38.9 2,390
<br />March 2,043 77 59 65.9 4,050
<br />Apr il 11,557 1,060 53 385 22,920
<br />May 33,000 1,800 579 1, 065 65,460
<br />June 55,270 2,470 1,420 1,842 109,600
<br />July 22,607 1,460 316 729 44,840
<br />August 13,019 579 82 420 25,820
<br />September 3,037 336 57 101 6,020
<br />October 1,77= 77 48 57.3 3,520
<br />November 1,519 68 30 50.6 3,010
<br />December 1,275 50 37 41.1 2,530
<br />Calendar year 1980 147,900 2,470 30 404 293,400
<br /> San Antonio River at Ortiz, Colo.
<br />
<br />Location.--Water-stage recorder, lat 36059'35", long 106002'17", in New Mexico in NE\SE\, 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.--l10 sq mi.
<br />Averaqe discharge.--40 years (1941-80), 25.0 ft3/s (18,110 acre-ft per year).
<br />Extremes.--1920, 1925-80: Maximum discharger 1,150 ft3/s Apr. 15, 1937 (gage height, 5~38 ft),
<br />from rating curve extended above 1,100 ft~/Sl no flow at times.
<br />
<br />Remarks.--Records good except those for winter months, which are fair. A few small diversions ab?ve
<br />station for irrigation.
<br />
<br />Monthly and yearly discharge, in cubic feet per second
<br />
<br /> Month Second- Maximwn Minimum Mean Runoff in
<br /> foot-days daily daily acre-feet
<br />January 111.0 5.0 2.0 3.58 220
<br />February 141.0 6.0 4,0 4.86 280
<br />March 181.3 7.0 5,0 5.85 360
<br />April 2,621.0 295 5.2 87.4 5,200
<br />May 10,257 612 148 331 20,340
<br />June 1,288.8 135 4.2 43.0 2,560
<br />July 32.77 4.0 0 l.06 65
<br />August 0 0 0 0 0
<br />September 0 0 0 0 0
<br />October 55.1 4.5 0 1. 78 109
<br />November 88.7 4.5 1.4 2.96 176
<br />December 111.4 5.0 2.4 3.59 221
<br />Calendar year 1980 14 ,888.07 612 0 40.7 29,530
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