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<br />Rio Chama below Abiquiu Dam, N. Mex.
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<br />STREAM FLOW
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<br />CO)
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<br />L..yocation,--Water-stage recorder, !at 36014'10", long 106025'00", in SEtSEt see.a, T.23 N., R.5 E., on right
<br />bank half a mile downstream from Abiqniu 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 />DrainaKe area. --2, 147 sq mi of which about 100 sq mi is probably noncontributing,
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<br />Average discharge,__ 5 years (1926-66), 3-83 cis (277, 300 acre-feet per year),
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<br />Extremes,..1961_66: Maximum discharge, 2,990 cis July 1,1965 (gage height, 6,69 ft); minimum about 1 cis
<br />Dec. 22, 1965.
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<br />Remarks.--Records fair except those for whiter months, which are poor. 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 and yearly discharge, in cubic feet per second
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<br /> Month Second- Maximum Minimum Mean Runoff in
<br /> foot-days daily daily Acre-feet
<br />January ....."...""."",." 3.883 204 90 125 7,700
<br />February """",......,...... 3,530 164 95 126 7,000
<br />March ,.......,..",...""... 18,714 1,040 100 604 37,120
<br />April , , , . , , , . , , , . . , . . . . . . . , . . . 31,378 1,460 914 1,046 62,240
<br />May ,....,....,....",,,,.,,., 39. 450 1,470 1,070 1,273 78,250
<br />June .....,"',.."..."".,.., 10, 880 1,190 88 363 21,580
<br />July .......,......,.""."... 3,533 491 35 114 7,010
<br />August ..".,',.......,..,...,. 4,072 455 41 131 8,080
<br />September ,........""""".. 1,007 63 20 33,6 2,000
<br />October ",...""..,....,..... 924 41 16 29.8 1,830
<br />November , , . , . . . , . , . . . , , , , , , . , 12,140 952 33 405 24,080
<br />December ,..,...,...,...,.,.., 3,978 509 34 128 7,890
<br />Calendar year 1966 ,........,.. 133, 489 1,470 16 366 264,800
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<br />Rio Grande at otowi Bridge, near San lldefonso, N. Mex.
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<br />Location.--Water-stage recorder, lat 35D52'301l, long 106D08'30", in San Ildefonso Pueblo Grant, 400 it downstream
<br />from bridge on state Highway 4, It miles southwest of San Ildefonao Pueblo, 2t miles downslream 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 it lower.
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<br />Drainage area.--14,300 sq mi, approximately (includes 2,940 sq mi in closed basin in San Luis Valley, Colo.),
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<br />Averag-e discharge.__67 years (1896-1905) 1910-66} 1,557 cis (1,122,000 acre-it per year).
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<br />Extremes,--1695-1905,1910_66: Maximum dISCharge, 24,400 cfs May 23,1920 (gage height, 14.1 ft); minimum daily,
<br />5U cfs July 4, 5, 1902.
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<br />Remarks.--Records good. Flow partly regulated by EI 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
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<br /> Month Second- Maximum Minimum Mean RUnoff in
<br /> foot~days daily daily Acre-feet
<br />January . . . , . , . , , , , . . , . , . . . , , . . 27,357 1,030 771 882 54, 260
<br />February .....,.,.."".,."" 24,192 919 823 664 47,960
<br />March , . . , . . . , . , . . , , , , . . . . . .. , 54, 183 2,260 751 1,748 107,500
<br />April . . . , . . . . , . , , , , . , , , , . , , . , , 71.100 2,880 2,010 2,370 141,000
<br />May ,.,...,..,.,."".,...,.. . 77,210 3,420 2,050 2,491 153. 100
<br />June . , . . . , . , , . . . . . , , . . , , . , . . . . 35,773 2,650 504 1,192 70,950
<br />July . , , . , . . . , . . , . , . . . . , . . . , . . . 12,110 739 279 391 24, 020
<br />August . . , . . , , . . . . , , , . , , , , , . . , . 21,588 1,400 360 696 42,820
<br />September , . . , . . . , . . , . , . . . . , . . B,25~ 329 227 275 16,370
<br />OctOber . . . . , , . . . . , , , , . . , . , . , . . 9,403 392 224 303 18,650
<br />November ..,...,."".,.".,., 35,861 1,610 364 1,195 71,130
<br />December , , . . . . , . , , , . , , , , . , . . . 22, 592 1,400 467 729 44,810
<br />Calendar year 399,622 3,420 224 1,095 792,600
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