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<br />STREAM FLOW
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<br />Los Pinos River near Ortiz, Colo.
<br />
<br />Location.--Water-stage recorder, !at 36058', long 106003', in New Mexico in N~ 5ec.34, Ti32 N., R.8 E., on left
<br />bank 1 mile south of New Mexico-Coloraoo state line, 2 miles southwest of Ortiz, and 2"2 miles upstream from
<br />mouth. Altitude of gage is 8,100 ft.
<br />
<br />Drainage area.--167 sq mi.
<br />
<br />Average dlscharge.--46 years (1915-20, 1925-64), 124 cfs (89,770 acre-ft per year).
<br />
<br />Extremes.--1915-20, 1925...64: Maximum discharge, 3,160 cis May 12,1941 (gage height, 5.77 ft, site and datum
<br />then in use), from rating CUrve extended above 1,600 cls; minimum observed, 4.0 cfs Dec. 17, .1945.
<br />
<br />Remarks.--Records good except tOOse for winter months, which are fair. Diversion above station for irrigation.
<br />
<br /> Monthly and yearly diSCharge in cubic feet per secon
<br />Month Second- Maximum Minimum Mean Runoff in
<br /> foot-days daily dally Acre-feet
<br />January . 201.5 - - 6.5 400
<br />February 217.5 - - 7.5 431
<br />March 496 - - 16 984
<br />Aprll. 2,164 199 - 72.1 4,290
<br />May 13,191 660 226 426 26,160
<br />June 3,208 211 33 107 6,360
<br />July 878 44 21 28.3 1,740
<br />August 1,159 80 14 37.4 2,300
<br />September 490 25 13 16.3 972
<br />October. 431 16 12 13.9 855
<br />November. 450 25 11 16.0 893
<br />December, 341 - - 11.0 676
<br />Calendar year 1964. 23,227.0 660 - 63.5 46,060
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<br />Conejos River near La Sauses, Colo.
<br />
<br />Location.--Water_stage recorders, lat 37018", long 105045', in secs. 2 and 11 (two channels), T.35 N., R 11 E., on
<br />left bank of main channel 100 fl downslream from bridge on Slate Highway 158 and on rIght hank of secondary
<br />channel 130. ft downstream from bridge, half a mlle upstream from mouth, and 2 mlles north of Las Sauses. Datum
<br />of gage on main channel is 7,495.02 fl and on secondary (south) channel is 7,495.89 fl above mean sea levels (levels
<br />by Bureau of Reclamation).
<br />
<br />Drainage area.--887 sq mi.
<br />
<br />
<br />Average dischar~e. --43 years (1922-64), 189 cIs (136,800 acre-ft per year).
<br />
<br />
<br />Extremes.--1921_64: MaxImum discharge, 3,890 cfs May 15,1941; no flow alllmes in 1934, 1948,1950_51, 1953-56,
<br />1958-64.
<br />
<br />Remarks.--Records fair above 10 cfs and poor below. Diversions for irrigation of about 75,000 acres above station.
<br />
<br />Mo thl
<br />
<br />n I.lY an l yearlY l sc a~m eu lC eetper second
<br />Month Second- Maximum Minimum Mean Runoff in
<br /> foot-days dally daily Acre-feet
<br />January. 743 29 19 24.0 1,470
<br />February 857 36 24 29.6 1,700
<br />March 1,331 49 36 42.9 2,640
<br />April. 471.7 37 1.0 15.7 936
<br />May 974.4 142 .5 31.4 1,930
<br />June 149.7 18 1.0 4.99 297
<br />July 5.7 .8 0 0 11
<br />August 0 0 0 0 0
<br />September .6 .1 0 .02 1.2
<br />October. 17.7 2.5 .1 .57 35
<br />November. *3,601.1 498 .4 120 *7,140
<br />December. 1,116 48 21 36.0 2,210
<br />Calendar year 1964. *9,267.9 498 0 25.3 18,370
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<br />* ReVIsed Feb. 25, 1965.
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