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<br />STREAM FLOW
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<br />Rio ehama below Abiquiu Dam, N. Mex.
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<br />'r:<5cation.--Water-stage recorder, lat 36014' 10", long 106025'00", in SEisEi sec. 8, T.23 N., R5 E., on right
<br />bank half a mile downstream from Abiquiu Dam and 6 miles northwest of Abiquiu. Altitude of gage is 6,040 ft
<br />(from river-profile map and topographic map).
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<br />Drainap;e area.--2,147 sq mi of which about 100 sq mi is probably noncontributing.
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<br />Average discharge.--3 years (1926-64), 308 cIs (223,000 acre-feet per year).
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<br />Extrernes.--1961-64: Maximum discharge, 2,300 cIs Nov. 11, 1963 (gage height, 6.00 ft); minimum 5.6 cis
<br />July 23, 1963.
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<br />Retnarks.--Records fair except those for winter months, which are t:HJor. Flow regulated by El Vado and Abiquiu
<br />Reservoirs. Diversions above station for irrigation of about 17,600 acres.
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<br /> Monthly an<!"yearJy diSCharge in cubic feet per second
<br />Month Second- Maximum Minimum Mean Runoff in
<br />foot-days dally dally Acre-feet
<br />January . 1,148 40 30 37.0 2,280
<br />February 1,056 43 32 36.4 2,090
<br />March. 2,521 159 44 81.3 5,000
<br />April 7,909 535 83 264 15,690
<br />May. 26,908 1,110 452 868 53,370
<br />June 6,134 S95 35 204 12,170
<br />July. 3,759 444 17 121 7,460
<br />August. 8,052 920 32 260 15,970
<br />September . 4,434 550 26 148 8,790
<br />October . 943 35 24 30.4 1,870
<br />November 8,927 1,040 32 296 17,710
<br />December 1,573 81 3S 50.7 3,120
<br />Calendar year 1964 . 73,364 1,110 17 200 145,500
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<br />Rio Grande at Otowi Bridge, near San lldefonso, N. Mex.
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<br />Location.--Water-stage recorder, !at 35052'30tl, long 106"08'30", in San lldefonso Pueblo Grant, 400 it downstream
<br />from bridge on State Highway 4, 1* miles southwest of San lldefonso Pueblo, 2! miles downstream from POjoaque
<br />River, and 7 miles west of Pojoaque. Datum of gage is 5,488.48 it above mean sea level, datum of 1929. Prior
<br />to May 19,1904, and July 25 to Oct. 1, 1904, staff gage at site 180 it upstream at datum 2.02 ft lower.
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<br />Drainage area.--14,300 sq mi, approximately (includes 2,940 sq roi in closed basin in San Luis Valley, Colo.).
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<br />Average discharge.-_65 years (1896-1905) 1910-64) 1,551 cis (1,123,000 acre-ft per year).
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<br />Extremes.--1895-1905,191O_64: Maximum diSCharge, 24,400 cfs May 23, 1920 (gage height, 14.1 ft); minimum daily,
<br />60 cis July 4, 5, 1902.
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<br />Remarks.--Records good, Flow partly regulated by El Vade Reservoir since 1935 and Abiquiu Reservoir since 1962.
<br />Diversions above station for irrigation of about 600,000 acres in COlorado and 75,000 acres in New Mexico.
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<br /> Monthly and yearly discharge in cubic feet per second
<br />Month Second- Maximum Minimum Mean Runoff in
<br /> foot-days daily daily Acre-feet
<br />January . 13,306 482 344 429 26,390
<br />February 13,175 496 406 454 26,130
<br />March 17,557 679 487 566 34,820
<br />April 20,941 997 474 698 41,540
<br />May. 44,554 2,010 722 1,437 88,370
<br />June 13,459 1,250 131 449 26,700
<br />July. 9,359 516 164 302 18,560
<br />August. 14,619 1,430 179 472 29,000
<br />September, 10,965 1,000 159 366 21,750
<br />October 7,244 264 190 234 14,370
<br />November 20,165 1,730 264 672 40,000
<br />Decemt1er 13,182 679 300 425 26,150
<br />Calendar year 1964 . 198,526 2,010 131 542 393,600
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