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<br /> RIO GRANDE AT l'lAN ACACIA, N. MEX.
<br /><:j< LOCATION _ \Vater.stage recorders at right and left banl<s, lat. 34 degrees 15 min..
<br />r:5) long, 106 degrees 53 min., in NE'!4 sec. I, T. 1 S., R. 1 W.,' 0.2 mile downstream from
<br />0') San Acacia diversion dam, half a mile east of San Acacia, and 2 miles downstream
<br />'. .') from Rio Saiado. Datinri of right bank gage Is 4,662.56, left bank 'gage 4,660.16 (re.
<br />c..) vised) feet above mean sea level (datum of 1929).
<br />c.~ DRAINAGE AREA - 26,770 square miles (Includes 2,940 square miles In closed basin In
<br /> northern part of San Luis Valley, Colo.)
<br /> RECORDS AVAILABLE - April 1936 to December 1941 In reports of Geological Survey.
<br /> February to December 1925, January to September 1927 (gage height and discharge
<br /> measurements only) in reports of State Engineer. January 1941 to December 1941
<br /> in report of Rio Grande Compact Commission.
<br /> EXTREMES _ Maximum discharge during year, 25,400 second-feet May 18; maximum
<br /> gage height 7.00 feet Sept. 24; minimum daily discharge, 82 second-feet Nov. 17.
<br /> 1936-41: Maximum discharge, 27,400 second.feet Aug. 5, 1936 (gage height, 8.35 feet),
<br /> from rating curve extended above 18,000 second-feet by logarithmic plotting; mini.
<br /> mum daily discharge, l' second~footJune 23, 1939.
<br /> REMARKS - Records good. Socorro main canal north diverts 0.2 mile above gage,
<br /> Diversions for irrigation above station.
<br /> . ~-_.--
<br /> Discharge, iIn second-feet, caJendar year 1941
<br /> Day Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
<br /> 1 820 1,060 990 2,490 4,720 16,200 8,500 592 2,110 2,960 3,840 . 1,550
<br /> 2 854 905 939 2,060 6,480 15,400 7,910 507 973 1,960 5,200 1,690
<br /> 3 990 820 854 2,060 8,160 13,600 6,810 411 990 1,880 4,230 1,780
<br /> 4 905 657 922 2;040 9,980 12,400 6,550 411 579 3,970 4.420 1,760
<br /> 5 905 1,39Q 973 1,730 13,500 12,800 5,700 382 485 . 4,910 3,880 1.690
<br /> 6 790 1,690 922 1,930 11,700 12,000 6,130 335 402 2,640 3,620 1,950
<br /> 7 685 1,290 1,040 2,440 11,300 12,800 4,930 485 312 . 2,040 3,730 2,010
<br /> 8 670 1,170 1,230 1,730 12,000 11,600 4,350 485 305 1,830 3,020 1,570
<br /> 9 760 1,270 1,190 ' 1,440 14,700 12,800 3,840 1,450 402 1,830 3,370 1,570
<br /> 10 670 1,250 1,250 1,440 15,700 13,200 4,030 1,850 312 1,730 2,700 1,450
<br /> 11 605 1,010 1,010 1,760 15,700 12,000 4,230 3,560 175 2,490 2,290 1,960
<br /> 12 775 1,190 905 2,120 16,200 12,000 4,440 1,440 122 . 2,890 2,340 1,930
<br /> 13 905 1,100 990. 2,150 17,200 9,650 5,510 2,000 130 2,610 2,230 1,910
<br /> 14 922 973 1,080 2,340 17,800 9,130 4,340 2,840 175, 2,090 2,200.. 1,880
<br /> 15 956 1,100 1,080 2,310 20,400 7,350 2,990 1,990 160 .3,240 . 2,120. 2,060
<br /> 16 760 1,040 1.170 1,960 22,000 6,940 3,620 1,860 328 4,150 2,350 1,590
<br /> 17 618 . 1,100 1,210 1,640 23,200 6,420 2,490 1,330 474 .2,930 2,550. 1,550
<br /> 18 644 1,390 1,690 1,960 23,700 6,050 ~ 2,230 1,800 592 2,960 2,200 1,780
<br /> 19 618 1,370 1,270 2,370 23,200 5,460 2,260 1,460 . 888 3,730 2,290 .1,690
<br /> 20 618 1,310 1,440 2,400 21,000 5,350 2,470 1,030 1.070 3,370 2,470. 1,390
<br /> 21 579 1,310 1,520 2,340 21,500 5,930 3,380 854 1,770 2,960 2,550 '1,410
<br /> 22 592 1,390 1,990 1,710 22,000 7,220 2,140 1,370 3,190 . 3,090 2,340 1,410
<br /> 23 805 1,590 2,230 1,760 19,900 7,910 2,330 1,590 4,970 3,230 2,040 1,390
<br /> 24 700 1,550 2,060 1,780 19,900 7,910 1,940 1,860 .8,630 ~ 3.550 2,230 1,410
<br /> 25 730 1,480 2,170 1,410 17,200 8,810 1,860 939 2,340 5,570 1,880 1,270
<br /> 26 715 1,350 2,700 2.090 16,200 10,200 1,710 760 1,230 9,970 ' 1,940 1,370
<br /> 27 700 1,330 3,060 2,990 14,200 9,130 2,010 411 888 . 4,150 1,660 .1,370
<br /> 28 805 1,250 2,520 3.400 15,200 9,800 2,730 305 991 3,470 1,690 1,290
<br /> 29 820 1,710 3,650 16,700 10,200 1,440 1,170 5,680, 3,650 1,830' . 1,190
<br /> 30 905 2,120 4,190 17,800 10,200 805 1,160 4,750 5,000 1,830 1,230
<br /> 31 888 2,150 18,300 670 939 4,110~ 1,370
<br /> -----.....-
<br />
<br />Second-
<br />Month foot-days
<br />
<br />t~~~~~~-~:::~::::~::::::::::=::::~::::::::::::~::::=::::::::::: ~i:U~
<br />
<br />April ._..._...._"._____.._______._________~______.__,.__...__...__... 65,690
<br />
<br />~~ :::::::::::-:::~::::~::=::::::::::::::::::=::::::=::::=::::j~:~~
<br />J uly ~_ ,__.__...___...______________,.....__...__...__......____.__..._114,345
<br />August .._.____..__............__________,..___________________.__'__ 37,576
<br />September .____...__....._________...__....___~____..________ooo 45,423
<br />Octo be I' ___________...____________.______..____..._....____.__.__...__104,960
<br />November ___.____...__.:.__.____000._...______000.__._......000 81,040
<br />December _____...________.___...,._____________......_000_...____ 49,470
<br />
<br />Year __________..__.______._...........000;____.....____..1,410,933
<br />
<br /> Run-off In
<br />Maximum 1v1inimum Mean acre-feet
<br />990 579 765 47,030
<br />1,690 657 1,226 68,100
<br />3,060 854 1,496 92,000
<br />4,190 1,410 2,190 . 130,300
<br />23,700 4,720 16,370 1.007,000
<br />16,200 5,350 10,020 596,000
<br />8,500 670 3,689 226,800
<br />3,560 305 1,212 74,530
<br />8,630 122 1,514 90,100
<br />9,970 1,730 3,386 208.200
<br />5,200 1,660 2,701 160,700
<br />2,060 1,190 1,596 98,120
<br />23,700 122 3,866 2,799,000
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<br />'If\
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