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<br />34
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<br />RIO GRANDE COMPACT COMMISSION REPORT
<br />
<br />COllejas River near Mogote. Colo.
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<br />Location. __Wat2r_stage n,corder. lat 37'=03'20", long 106~1'20". ill SE-] sec. 34. T. 33 N.. R. 7 E., on right
<br />bank 20 ft downstream from bridge Oil State Highway 174. three-quarters of a mile downstream from Fox
<br />Creek and 51' miles west of Mogote. Altitude of gage is 8.240 ft.
<br />
<br />Drainage area. -- 282 sq mi.
<br />
<br />Averag-e discharge. --59 years (1904. ]!)12-69). 336 ds (243. 400 acre-ft per year).
<br />E,,'iremes. __1903_05. 1911-68: Maximum discharge. 9.000 ds Oct. 5. 1911 (gage height. 8.50 ft, from rating
<br />curve extended above 3,000 cfs; minimum daily determined. 10 ds July 18. 1904.
<br />
<br />Remarks. __ Records good except those for winter months. which are fair. Diversions above station for
<br />irrigation ot about 500 acres. Since 1951 flow partly regulated by Platoro Reservoir.
<br />
<br />Monthly and yearly discharge. in cubic feet per second
<br />
<br /> Month Second- Maximum Minimum Mean Runoff in
<br /> foot-davs daily daily Acre-fee
<br />January 1,623 63 45 I 52.4 ! 3.220
<br />Fehruary 1,671 75 48 59. 7 3,310
<br />March 1,806 113 48 58.3 3.580
<br />April 8,792 690 140 293 17,440
<br />May 38,110 2,090 580 1,229 75,590
<br />Jur:e 36,828 1,970 795 1,228 73,050
<br />July 18,302 921 414 590 36,300
<br />August 10,197 575 184 329 20,230
<br />September 6,082 352 140 203 12.060
<br />October 6,416 264 146 207 12,730
<br />November 5,362 455 71 179 10,640
<br />December 2,118 99 50 68.3 i 4, 200
<br />Calendar year 1969 137,307 2.090 45 376 272, 300
<br />
<br />San Antonio River at Ortiz. CoLo.
<br />
<br />Location. __Water_stage recorder, lat 37'=00', long 106002', in New Mexico in sec. 19, T. 32 N., R. 9 E., on
<br />left bank a quarter of a mile south of New Mexico-Colorado State line, half a mile south of Ortiz, and half a
<br />mile upstream from Los Pinos River. Altitude of gage is 8, 000 it.
<br />
<br />Drainage area. __110 sq mi.
<br />
<br />Average discharge. --29 years (1941-69), 25.7 cis (18, 760 acre-ft per year).
<br />Extremes. __1920, 1925-69: Maximum discharge, 1,750 cis Apr. 15, 1937 (gage height. 5.38 ft), from rating
<br />curve extended above 1, 100 cis; no flow at times.
<br />
<br />Remarks. __ Records good above 10 cis and fair below. A few small diversions above station for irrigation.
<br />
<br />Monthly and yearly discharge, in cubic feet per second
<br />
<br /> Month Second- Maximum Minimum Mean Runoff in
<br /> foot-days daily daily Acre-feet
<br />January 69.0 - - 2.23 137
<br />February 105.1 - - 3.75 20B
<br />March 174.6 - - 5.63 346
<br />April 3,972 298 20 132 7,880
<br />May. 5,249 304 42 169 10,410
<br />June. 502.8 37 3.2 16.8 997
<br />July. 157.1 14 .90 5.07 312
<br />August. 161. 7 25 .70 , 5.22 321
<br />September 101. 8 B.8 1.5 3.39 202
<br />October 295.9 22 1.5 9.55 587
<br />November 240.5 15 1.1 8.02 477
<br />December 131.8 - - 4.25 261
<br />Calendar year 1969 11,161. 3 - - 30.6 22,140
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