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<br />Location.-~\'/ater-stage recorder, lat 36058'56". long 106004'23", in New Mexico on
<br />between sees. 26 and 27, T. 32 N., R. 8 E., on left bank 0.9 mile south of New
<br />Colorado State line, 2.1 miles southwest of Ortiz, and 2.9 miles upstream from
<br />Altitude of gage is 8,040 ft.
<br />
<br />STREAMFLOW
<br />
<br />35
<br />
<br />Los Pinos River near Ortiz, Colo.
<br />
<br />line
<br />Mexico-
<br />mouth.
<br />
<br />Draina~e area.--167 sq mi.
<br />Avera~e discharRe.--56 years [1915-20, 1925-74), 120 cfs (86,940 acre-it per year).
<br />
<br />Extremes.--191S-20, 1925-74:
<br />ft, site and datum then in
<br />observed, 4.0 cfs Dec. 17,
<br />
<br />Maximum discharge, 3,160 cfs May 12, 1941 (gage height, 5.77
<br />use). from rating curve extended above 1,600 cfs; minimum
<br />1945,
<br />
<br />Remarks.--Records good except those for winter months, which are fair. Diversions above
<br />station for irrigation.
<br />
<br />Monthly and yearly discharge, in cubic feet per second
<br />
<br /> Second- Maximum Minimum Runoff in
<br />Month foot-days daily daily Mean Acre - feet
<br />January 412 17 10 13.3 817
<br />February 381 16 11 13.6 756
<br />March 790 61 14 25.5 1,570
<br />April 3.723 435 35 124 7,380
<br />May 12,329 644 238 398 24,450
<br />June 3.215, 215 37 107 6,380
<br />July 857 38 23 28.6 1,700
<br />August 1,065 75 16 34.4 2.110
<br />September 406 16 12 13.5 805
<br />October 485 19 11 15.6 962
<br />November 448 18 13 14.9 889
<br />December 389 17 10 12.5 772
<br />Calendar year 1974 24.500 644 10 67,1 48,600
<br />
<br />Conejos River near Lasauses, Colo.
<br />
<br />Location.--Watel'-stage recorders lat 37018'01". long 105044'47", in sees. 2 and 11 (two
<br />channels), T. 35 N., R. 11 E., on left bank of main channel 125 feet dowwnstream from
<br />bridge on State Highway 158 and on left bank of secondary channel 230 ft upstream from
<br />bridge, 1.0 mile upstream from mouth. and 2.1 miles north of Lasauses. Datum of gage
<br />on main channel is 7,495.02 ft and on secondary (south) channel is 7,496.89 ft above
<br />mean sea level (levels by Bureau of Reclamation).
<br />Drainage area.--887 sq mi.
<br />AveraRe discharge.--53 years (1922-74), 181 cfs (131.100 acre-it per _year).
<br />Extrernes.--1921-74: Maximum diSCharge, 3,890 cfs May 15, 1941; no flow at times in some
<br />years.
<br />
<br />Remarks.--Records good except those for winter months, which are poor. Diversions for
<br />irrIgation of about 75,000 acres above station.
<br />
<br />Monthly and yearly diSCharge. in cubic feet per second
<br />
<br /> Second- Maximum Min imum Runoff in
<br />Month foot-days daily daily Mean Acre-feet
<br />January 1,916 75 33 61. 8 3.800
<br />February 2,002 81 55 71. 5 3,970
<br />March 4,667 248 90 151 9,260
<br />April 2,911 268 14 97.0 5.770
<br />May 2,744.5 300 2.5 88.5 5,440
<br />June 301. 6 52 2.1 10.1 598
<br />July 30.87 2.4 .35 1. 00 61
<br />August 23.51 4.8 0 .76 47
<br />September 5.28 1.6 0 .18 10
<br />October 51. 43 3.5 .11 1. 66 102
<br />November 754.7 35 9.7 25.2 1,500
<br />December 1,059 48 30 34.2 2,100
<br />Calendar year 1974 16,466.89 300 0 45.1 32,660
<br />
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