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<br />RIO GRANDE COMPACT COMMISSION REPORT
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<br />Rio Grande below Elephant Butte Dam, N. Me>.
<br />
<br />~.-Water-stage recorder, la' 33'08'54", long 107"12'22", in SW]/4 sec. 25, T. 13 S., R. 4 W., (projected) in Pedro Annendariz
<br />Gran', J.O mile downstream from dam and 1.5 miles Upstream from Cuehillo Negro River. Datum of gage is 4,242.09 ft above mean
<br />sea Jp.vel, datum of 1929. PriortoApril23, 1942, at several different sites and datums.
<br />Draina.e area.-29,450 sq mi, approximately Cincludes2,940 sq mi in closed basin in San Luis Valley, Colo.).
<br />Avera2"e dischaqre._BO years 0915-94, 1,001 ftJ /s 025,200 acte-ft per year).
<br />Extremes.-1915_94, Maximum daiIydischarge, 8,220 f1'ls May 22,1942; no flow a"imes prior to 1929 and March 2-4, 1979.
<br />Remarks.-Reeords good. Flow regulated by Elephant Butte Reservoir. Divemions for irrigation of about 800,000 acres above station.
<br />
<br /> Monthly and yearly discharge, in cubic feet per second
<br /> Second~ Maximum Minimum Runoff in
<br />Month foot-da s dail dail Mean acre-feet
<br />January 589.9 49 1.2 ]9.0 1,170
<br />February 1,813 84 50 64.7 3,600
<br />March 25,861 ],520 88 834 51,300
<br />April 50,315 3,290 785 1,677 99,800
<br />May 133,390 5,270 3,280 4,303 264,600
<br />June 106,690 4,550 2,950 3,556 211,6oo
<br />July 21,902 3,540 114 7fJ7 43,440
<br />August 10,709 362 324 345 21,240
<br />September 6,709 36] 85 224 13,310
<br />Oct~r ]2,117 862 78 391 24,030
<br />November 2,]34 90 30 71.1 4,230
<br />December ]9,447 1,420 80 62'7 38,570
<br />Calendar year 1994 391,676.9 5,270 1.2 1,073 776,900
<br /> Rio Grande below Caballo Dam, N. Mex.
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<br />~.- Water-stage recorder, lat 32"53'05", long 107"17'31", in NEI 14SW] 14 sec. 30, T.16 S., R. 4 W., 2.000 ft Upstream from Intersta'e
<br />Highway 25, 4,200 ft downstream from Caballo Dam. 1.3 miles Upstream from Percha divemion dam. and 3 miles northeast of Artey.
<br />Datum of gage is 4.140.90 fI above mean sea level, datum of 1929. October 13,1938 to December 31,1945, at datum 5.0 ft higher.
<br />Draina2e area.-30,7OQ sq mi, approximately (includes 2,940 sq mi in closed basin in San Luis Valley, Colo.l.
<br />Avera2:e dischar~._57 years (1938-94) 917 ft3/s (664,400 acre-ft per year).
<br />Extremp,.-I938-94, Maximum daily disclutrge, 7,650 f" Is May 20, 1942; minimum daily, 0.1 ft'/s Oct. 31 to Nov. 14, 1954, Nov. 7 to
<br />Dec. 31, 1955, Feb. 15-29, 19n.
<br />Remarks.-Records good. F]ow regulated by E]ephant BUHe and Caballo Reservoirs. Diversions for irrigation of about 800,000 acres
<br />above station.
<br />
<br /> Monthly and yearly discharge, in cubic feet per second
<br /> Second_ Maximum Minimum Runoff in
<br />Month foot-da daiI daily Mean acre-feet
<br />January 3089.0 146 8.0 99.6 6,130
<br />February 17,113 960 305 611 33,940
<br />March 58,335 2.470 ],060 1,882 115,7oo
<br />April 42,224 1,650 ],130 1,407 83,750
<br />May 42,000 1,800 778 ],355 83,310
<br />June 9],918 3,570 2,080 3,064 ]82.300
<br />July 73,324 2.730 1,910 2.365 145,400
<br />August 62,369 2.360 ],680 2.0]2 123,700
<br />September 36,408 1,880 606 1,214 72,220
<br />October 23,318.0 1,200 6.0 752 46,250
<br />November 178.0 8.0 3.0 5.93 353
<br />December 139.0 5.0 4.0 4.48 276
<br />Calendar Year 1994 450,414.0 3,570 3.0 1,234 893,400
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