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<br />STREAMFLOW
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<br />Rio Nambe at Nambe Falls, near Nambe, N. Hex.
<br />
<br />Location.--Water-stage recorder. lat 35050'46", long 1050S4'29". in NW\sw~ sec. 29. T.19 N.. R.IO E., in
<br />Nambe Indian Reservation, on left bank 800 feet downstream from Nambe Falls. 2.4 miles upstream from
<br />confluence of Rio Namhe and Rio En Media, 4.2 miles southeast of Nambe Pueblo, and 5.2 miles southeast
<br />of Nambe.
<br />
<br />Drainage area.--2S.1 sq mi.
<br />
<br />Average discharge.--13 years (1964-76) 10.5 cfs (10,760 acre-ft per year).
<br />
<br />Extremes.--Maximum discharge 1.090 cfs, Aug. 9, 1967 (gage height. about 6.0 feet. from floodmarks), from
<br />rating extended above 44 cfs on bases of field estimate of peak flow; minimum daily. Feb. 26. 28. 29;
<br />Mar. 1. 2, 6. 1976.
<br />
<br />Remarks.--Recards good except those for winter months, which are fair. Flow completely regulated by
<br />Nambe Falls Reservoir since Feb. 22. 1976.
<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 118.6 13 2.4 3.83 235
<br />February 88.00 4.3 .50 3.03 175
<br />March 45.64 3.3 .50 1.47 91
<br />April 208.35 14 .75 6.94 413
<br />May 542 24 13 17.5 1.080
<br />June 484 18 14 16.1 960
<br />July 483 18 10 15.6 958
<br />August 185.2 9.8 4.7 5.97 367
<br />September 324.0 13 5.5 10.8 643
<br />Dc taber 254.3 11 4.9 8.20 504
<br />November 196.1 12 .90 6.54 389
<br />December 35.8 1.3 1.1 LIS 71
<br />Calendar year 1976 2.964.99 24 .50 8.10 5,880
<br />
<br />Rio Grande at Otowi Bridge. near San Ildefonso, N. Hex.
<br />
<br />Loeatian.--Water-stage recorder. lat 3SoS2'29". long 106008'30", in San I1defonso Pueblo Grant, 400 ft
<br />downstream from bridge on State Highway 4. 1.8 miles southwest of San Ildefonso Pueblo, 2.5 miles
<br />downstream from Pojoaque River. 'and 6.8 miles west of Pojoaque. Datum of gage is 5,488.48 ft above
<br />mean sea level, datum of 1929. Prior to May 19. 1904, and July 25 to Oet. 1. 1904. staff gage at site
<br />180 ft upstream at datum 2.02 ft lower.
<br />
<br />Draina~e area.--14.300 sq mi. approximately (includes 2,940 sq mi in closed basin in San Luis Valley.
<br />Colo.) .
<br />
<br />AveraRe discharge.--77 years (1896-1905, 1910-76) 1,501 cfs (1.087,000 acre-ft per year).
<br />
<br />Extremes.--1895-1905. 1910-76: Maximum discharge, 24,400 cfs May 23, 1920 (gage height, 14.1 ft); minimum
<br />daily, 60 cfs July 4. 5, 1902.
<br />
<br />Remarks.--Records good. Flow partly regulated by Heron. E1 Vado, and Abiquiu Reservoirs. Diversions above
<br />station for irrigation of about 600,000 acres in Colorado and 75.000 acres in New Mexieo. Subsequent to
<br />May 1971 flow affected by releases of transmountain water from Heron Reservoir.
<br />
<br />Monthly and yearly discharge, in cubic feet per second
<br />
<br /> Honth Second- Maximum Minimum Mean Runoff in
<br /> foot-days daily daily acre-feet
<br />January 32.420 2,130 523 1,046 64.310
<br />February 20.157 831 565 695 39,980
<br />March 27,810 1,OSO 778 897 55,160
<br />April 40.251 2.370 781 1,342 79.840
<br />May 80,950 3.420 1.600 2.611 160,600
<br />June 42,900 1.990 1.020 1,430 85,090
<br />July 36,220 1.450 1,020 1.168 71.840
<br />August 31.284 1,720 420 1.009 62.050
<br />September 29,363 1,170 526 979 58,240
<br />October 14,574 615 362 470 28.910
<br />November 13,032 514 325 434 25.850
<br />December 15,807 819 400 510 31.350
<br />Calendar year 1976 384,768 3.420 325 1.051 763.200
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