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<br />STREAMFLOW
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<br />Los Pinos River near Ortiz, Colo.
<br />
<br />Location.--Water-stage recorder, lat 36058'56", long 106004'23", in New Mexico on 11ne between
<br />secs. 26 and 27, T. 32 N., R. 8 E.. on left bank 0.9 mile south of New Mexico-Colorado State line.
<br />2.1 miles southwest of Ortiz, and 2.9 miles upstream from mouth. Altitude of gage is 8,040 ft.
<br />
<br />Dralna~e area.--167 eq mi.
<br />
<br />AVeraRe discharge.__58 years (1915-20, 1925-76), 120 cfs (86,940 acre-ft per year).
<br />
<br />Extremes.--1915_20. 1925-76: Maximum discharge, 3,160 cis May 12, 1941 (gage height. 5.77 ft,
<br />site and datum then in use), from rating curve extended above 1,600 cfs; minimum observed,
<br />4.0 cis Dec. 17, 1945.
<br />
<br />Remarks.--Recorcls good except those for winter months, which are fair. DiVersions above station
<br />~lrrigation.
<br />
<br />MOnthly and yearly discharge. in cubic feet per second
<br />
<br /> Mon th Sec~nd- Maximum Minimum Mean Runoff in
<br /> foot-days daily daily acre-feet
<br />January 344.5 12 9.5 11.1 683
<br />February 439 19 12 15.1 871
<br />March 880 49 19 28.4 1.750
<br />April 6.223 456 36 207 12,340
<br />May 16,767 770 359 541 33.260
<br />June 6,186 376 69 206 12,270
<br />July 1,008 66 21 32.5 2.000
<br />August 646 37 15 20.8 1,280
<br />September 454 31 11 15.1 901
<br />October 492 18 13 15.9 976
<br />November 427.0 18 7.5 14.2 847
<br />December 248.2 9.0 7.0 8.01 492
<br />Calendar year 1976 34,114.7 770 7.0 93.2 67,670
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<br />Conejos River near Lasauses, Colo.
<br />
<br />Location.--Water-stage recorders lat 37018'01". long 105044'47". in sees. 2 and 11 (two channels).
<br />T. 35 N.. R. 11 E.. on left bank of main channel 125 feet downstream from bridge on State Highway 158
<br />and on left bank of secondary channel 230 it upstream frOtll bridge, 1.0 mile upstream from tlI)uth, and
<br />2.1 miles north of Lasauses. Datum of gage on main channel is 7.495.02 ft and on secondary (south)
<br />channel is 7,496.89 ft above mean sea level (levels by Bureau of Reclamation).
<br />
<br />Draina~e area.--887 sq mi.
<br />
<br />AVera~e discharRe.--55 years (1922-76), 182 cfs (131,900 acre-it per year).
<br />
<br />Extremes.--1921_76: Maximum discharge. 3,890 cis May 15, 1941; no flow at times in some years.
<br />
<br />Remarks.--Records good except those for winter months. which are fair. Diversions for irrigation of
<br />about 75,000 acres above station.
<br />
<br />MOnthly and yearly discharge, in cubic feet per second
<br />
<br /> -
<br /> Month Second- Maximum Minimum Mean Runoi f in
<br /> foot-days daily daily acre-feet
<br />January 1.968 77 55 63.5 3,900
<br />February 2,801 125 68 96.6 5,560
<br />March 4,236 225 95 137 8,400
<br />April 6,752 480 95 225 13,390
<br />May 15,748 749 319 508 31,240
<br />June 10,278 503 176 343 20,390
<br />July 2,184.2 200 1.5 70.5 4.330
<br />August 11.19 3.0 0 .36 22
<br />September 0 0 0 0 0
<br />October 66.73 16 0 2.15 132
<br />November 478.4 25 7.2 15.9 949
<br />December 824 29 24 26.6 1,630
<br />Calendar year 1976 45,347.52 749 0 124 89,950
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