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<br />STREAMFLOW
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<br />39
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<br />Rio Grande at Otowi Bridge, near San 11defonso. N. Mex.
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<br />"""Location, HWater-stage recorder, lat 35052'29", long 106008'30", in San lIdefonso Pueblo Grant,
<br />400 it Jownstream from bridge on State Highway 4, 1.8 miles southwest of San Ildefonso
<br />Pueblo, 2.5 miles downstream from Pojoaque River, and 6.8 miles west of Pojoaque. Datum of
<br />gage is 5,488.48 it above mean sea level, datum of 1929. Prior to May 19, 1904, and July 2S
<br />to Oct. 1, 1904, staff gage at site 180 it upstream at datum 2.02 ft lower.
<br />Drainaye area. --14,300 sq mi, approximately (inCludes 2,940 sq rot in closed basin in San Luis
<br />Val ey, Colo.).
<br />~\veraRe dischar;;e,Q75 years (1896-1905, 1910-74) 1,504 cis (1,090,000 acre-it per year).
<br />Extremes.--1895-1905. 1910-74: Maximum discharge, 24,400 cfs May 23, 1920 (gage height, 14.1
<br />ft); minimum daily, 60 cfs July 4, 5, 1902.
<br />Rcmarks.--Records good. Flow partly regulated by Heron, E1 Vado, and Abiquiu Reservoirs.
<br />D~versions above station for irrigation of about 600,000 acres in Colorado and 75,000 acres
<br />in New Mexico. Subsequent to May 1971 flow affected by releases of transmountain water
<br />from Heron Reservoir.
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<br />Monthly and yearly discharge. in cubic feet per second
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<br /> Second- Maximum Minimum Run9--ff in
<br />:>lonth foot-days daily daily Mean Acre-feet
<br />January 4l,100 1,720 1,170 1,326 81,520
<br />February 20,063 1,320 625 717 39,790
<br />March 35,995 1,550 754 1,161 71,400
<br />April 2B,071 1,640 564 936 55,680
<br />]\jay 31,987 1,580 844 1,032 63,450
<br />June 30,937 1,410 575 1,031 61,360
<br />July 20,708 1,130 310 668 41,070
<br />August 23,837 1,100 338 769 47,280
<br />September 7,893 357 216 263 15,660
<br />October 11,195 625 250 361 22,210
<br />.\'ovember 12,860 498 385 429 25,510
<br />December 13,961 534 380 450 27,690
<br />Ca1enuar year 1974 278,607 1,640 216 763 552,600
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<br />Santa Fe River near Santa Fe, N. Mex.
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<br />Location,--I'Iater-stage recorder and concrete control, 1at 35041112", long 105050'35", in
<br />NE\Sg\ sec. 23, T. 17 N., R. 10 E., 0.4 mile downstream from McClure Dam, and 5.3 miles
<br />east of Santa Fe. Datum of gage is 7,718 ft above mean sea level, datum of 1929. Prior
<br />to ;~ov. 4, 1930 at site 1,5 miles downstream, and Apr. 11, 1931 to Sept. 1947 at site 0.3
<br />mile upstream.
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<br />Drainage area.--18.2 sq mi.
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<br />Average discharge.--62 years (1913-74), 8.00 cfs (5,800 acre-ft per year).
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<br />EKtremes,--1813-74: Maximum discharge, 1,500 cfs Aug. 14, 1921; minimum daily, 0.1 cfs
<br />Feb. 7-10, 20, 21, 1927, Aug. 1-4, 1951.
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<br />Remarks.~-Records good. Flow regulated by McClure Reservoir, completed in 1926, raised in
<br />1935 and again in 1947.
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<br />Monthly and yearly discharge, in cubic feet per second
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<br /> Second- Maximum Minimum Runoff in
<br />Month foot-days daily daily Mean Acre-feet
<br />January 38.3 1.5 1.1 1.24 76
<br />February 60,6 4.1 1.5 2,16 120
<br />March 195.8 12 2,8 6.32 388
<br />April 85.2 3.0 2.8 2.84 169
<br />May 201.1 9.0 3,0 6,49 399
<br />June 243.6 8,4 7.3 8.12 483
<br />July 194.9- 7.3 3.0 6,29 387
<br />August 95.0 3.2 2,8 3.06 188
<br />September 84.0 2.8 2.8 2.80 167
<br />October 75.6 3.2 1.0 2.44 150
<br />November 28.88 1.0 .96 .96 57
<br />December 30.00 1.0 .96 .97 60
<br />Calendar year 1974 1,332.98 12 ,96 3.65 2,640
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