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<br /> RIO GRA>>DE COMPACT COLOdISSIOB
<br /> RIO GRANDE AT OTOWI BRIDGE, WEAR SAV ILDEFONSO. N. EX.
<br />Location.- w~teT-ltage recorder, Lat. 35-52'25", N., Long. 106-08'35", W.. ~n San lldefonso pueblo Grant. 100 feet down-
<br /> stTe~ fron highway bridge, 1 ;/4 miles Bout~st of San rldefonso Pueblo, 2i mil.. dowastream from Rio pojoaque, and
<br /> 7 mile. W8St of pojoaque (revised). Datum of gage 18 5.4B8.1~B feet above mean 58e leTel. datum of 1929.
<br />Drainage area.- 14.300 sqUAre miles (includes 2.940 square miles in closed basin in northern part of San Luis valley,
<br /> l;oloraCLo).
<br />Recorde available.- February 1895 to December 1905. June 1909 to December 1914. october 1930 to September 1942 in reports
<br /> or Geologiaal Survey. February 1895 to December 1905. June 1909 to December 1931 in reports of state engineer.
<br /> January 1941 to December 1942 in reports of Rio Grande Compact Commission.
<br />A~erage Discharge.- 15 years (1927-la), 1,667 second-feet.
<br />Extremes.- )lu:aUlll discharge during year. 16,400 second-feet Apr. 23 (gage height, 10.22 feet), MinimUlll daily. 735 second-
<br /> 1e,," Jan. 6. 194.1, maximUlll. gage height, 13.70 feet Kay 14, 1941, m1nimUID
<br /> 1930-421 Maximum. discharge. 22.500 seoond-feet llay 16.
<br /> daily discharge. 128 second-feet June 21. 1934.
<br />Remarks.- Records good except those for periods of missing or doubtful gage-height record. which are fair. Flow partially
<br />~ated by operation of E1 Vado Reservoir on upper Rio Chama Which stores wat"r for irrigation. Diversion. abt;J'l"e
<br /> station for irrigation.
<br />D.y Jan. Feb. Ma.r. Apr. '.y Jun. July Aug. Sept. Oct. Nov. Dec.
<br />I 1.090 1.010 982 2.480 7,520 12,500 1.870 2.000 1.400 945 592 655
<br />2 1.070 1.040 926 2.620 8,750 11.600 1.990 1.440 1.400 945 5J8 6J2
<br />J 910 "::l0 9!,2 J.040 8.650 11.100 1,700 1.300 1.360 945 508 6J2
<br />4 950 I. 0 1,030 J.34o 8.58<- 11.600 1,6M 1.540 I.)"'" 915 508 705
<br />5 819 1.040 1.200 3,850 8.580 11.400 1,590 1.350 1,470 915 512 8J2
<br />6 n5 1,0'0 1.290 5.060 8,850 10,800 1,490 1,580 1,210 915 516 805
<br />7 882 1.040 1,330 4,130 9,410 10,200 1.540 1.450 1,210 888 512 780
<br />8 875 1,040 1,120 J.680 10,500 9.690 1,810 1..360 1.160 805 512 680
<br />9 926 1,050 1.010 J.680 11,400 9.690 1.760 1.320 1,140 781> &~ 592
<br />10 868 1,050 l,2}O 3,940 13.000 9,130 1,610 1.290 1.100 781> 524
<br />11 BB9 1,0,0 1.770 4.620 13,900 8.850 1,870 1.140 1.440 781> 492 655
<br />12 966 1.050 1.520 &.400 14.700 6.310 1.930 1,100 1,490 805 492 680
<br />1J 1,020 1,010 2.030 .950 15.600 8.580 1.810 1.270 1.210 805 492 705
<br />14 1,080 1.040 2.890 4.800 14.700 8.310 1.700 975 1.100 8J2 492 705
<br />15 1,040 1.020 2.450 6.720 12,600 8.040 1,640 1.100 1.010 81>5 496 no
<br />,6 1.010 950 2.260 7.540 9.410 8,;10 1.590 1.040 975 755 512. no
<br />17 1.130 90J 2.190 6.790 9,410 8,.;10 1.640 1,180 945 81>5 520 no
<br />18 1.100 791 2,070 11,400 9.130 7.780 1.h90 1,040 915 805 552 no
<br />19 1,030 889 2,260 10.100 8.580 6.520 955 975 1,010 780 570 755
<br />20 1.010 861 2.190 9,110 9.470 5,710 1.330 945 1,180 7JO 565 7)0
<br />21 982 9!,2 2.130 8,160 9,970 5,820 1.;30 915 1.140 6J2 570 7)0
<br />22 982 990 2.190 8.160 10.200 5,380 1.390 915 1.140 596 578 no
<br />23 990 958 2,380 13.200 10.200 5.060 1.440 l,OlD 1,100 58J 5B8 705
<br />24 1.020 90J 2.nO 15,000 11.100 4N'" 1.440 1.250 1.100 592 5B8 705
<br />25 982 903 2.J80 11.600 11,600 J.900 1.440 1.100 1.100 601 592 781>
<br />26 998 918 2,320 11.900 11,600 J.JIO 1,;40 8J2 1,070 592 610 805
<br />27 1.010 910 2,260 11,600 12.200 2,780 1.260 915 1.070 588 601 755
<br />2. 1,040 9B2 2,190 11,100 12,500 2,170 1,260 1,010 1.100 574 601 705
<br />~ 1,060 2.260 10,200 12,800 1.~ 1.290 1.100 1.040 ~ ~g 610
<br />~.~~~ ~.~~ 9.690 ~~.~ I. ~.~ ~.~~~ 975 :::. ~
<br /> Ilonth Second- Uaximum Minim\ml l.!ean Run-off in
<br /> foot-day. acre-feet
<br />January..'............. ....... ........ ... ......... ...... Jo.564 1,130 735 986 60.620
<br />February........ .......... ..... ..... .... ......... ...... 27.440 1,050 791 980 54.4Jo
<br />March.... ....... ............ ........ ... ... ....... ...... 58.190 2.890 926 1,877 115.400
<br />April.................................................. 219.860 15.000 2.480 7.;28 4J6,1oo
<br />May.... ............ ... ... ... .......... ................. J40,7IO 15.600 7.520 10,990 675.800
<br />June........ ....... ............ ...... ... ........... ..... 222,820 12.500 1.640 7.427 442.000
<br />July... ................... ..... ...... ....... ... ..... ... 47.965 1.990 955 1.547 95.140
<br />Augu~t................... ... ....................... .... 36,902 2.000 8J2 1,190 73.190
<br />September............................................. . ;5,000 l,h90 91& 1.167 69.420
<br />Ootober... .......... ........ ... ............. .... ....... 23.259 945 57 750 46.130
<br />November................ ....... ............. ..... ...... 16.~ 680 ~~ ?'ol (~'r.~~
<br />December. ... ........ ........... ........... ...... ....... 21 8'2
<br /> year.............. ........ ............ ....... 1,081.006 15.600 492 2.962 2,1.44.190
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