|
<br />..",1,.
<br />
<br />88
<br />
<br />ROODS OF SEPT. 1970 IN ARIZ.. UTAH. COLO.. AND N. MEX.
<br />
<br />STATION DATA-LITTLE COLO. RIVER BASIN
<br />
<br />89
<br />
<br />Chinle Wash near Mexican Water, Ariz.-Continued
<br />
<br />San Juan River near Bluff, Utah-Continued
<br />
<br />Gage height, in feet, and discharge, in cubic feet per aecond, at indicated time, 1970
<br />
<br />Gage height, in feet, and discharge, in cubic feet per second at indicated time 1970
<br />
<br />Hour Gage Discharge Hour Gage Discharge Hour Gage Discharge
<br />height height height
<br />1800 4.36 816 1000 6.43 4,700 0400 2.55 40
<br />2000 3.94 519 1200 6.10 3,700 0600 2.92 140
<br />2200 3.79 430 1400 5.70 2,700 0900 3.16 279
<br />2400 3.87 477 1600 5.33 1,980 1200 3.34 415
<br />Sept. 6* 1800 4.95 1,420 1630 3.54 597
<br />0230 3.97 537 2000 4.67 1,090 1800 3.51 576
<br />0600 3.84 459 2200 4.43 874 2100 3.17 275
<br />0900 3.73 400 2400 4. 13 914 2400 2.92 140
<br />1200 3.60 335 Sept. 8* Sept. 16*
<br />1400 3.61 340 0200 3.77 710 1200 2.74 71
<br />1600 3.70 385 0400 3.45 513 2400 2.54 39
<br />1830 3.94 519 0600 3.15 275
<br />
<br />Hour Gage Discharge Hour Gage Discharge Hour Gage
<br /> height height height Discharge
<br />Sept. 6* 2400 6.50 3,190 1000 7.58 4,680
<br />0200 16.61 23.500 Sept. 12* 1600 7.16 4,090
<br />0400 18.33 27,900 1300 6.48 3,170 2400 8. 79 6,550
<br />0600 21. 56 37,000 1400 8.77 6.540 Sept. IS'"
<br />0800 24.66 46,100 1700 6.98 3,850 0600 9.44 7,640
<br />0900 25.88 49,700 1900 7.21 4,170 1200 9.67 8,040
<br />1000 26.62 52.000 2300 6.92 3,760 2400 8.89 6,710
<br />1100 26.52 51,700 2400 8.02 5,360
<br />1200 25.88 49,700 Sept. 13*
<br />1400 23.67 43,100 0100 8.10 5,460
<br />1600 20.73 34,600 0300 11.54 11, BOO
<br />
<br />"'Dally means computed from data 10 additIon to figures shown.
<br />
<br />'" Daily means computed from data in addition to figures shown.
<br />
<br />LITTLE COLORADO RIVER BASIN
<br />
<br />(61) 09379500. San Juan River near Bluff, Utah
<br />
<br />(62) 09397000. Little Colorado River at Holbrook, Ariz.
<br />
<br />Location. --Lat 37"0814911, long 109051151", in SEtNEtNWt sec. 7, T.42 S., R.19 E.,
<br />San Juan County, on left bank 1,600 ft (490 m) downstream from Gypsum Creek,
<br />1,800 ft (550 m) upstream from highway bridge, 20 mi (32 Ian) southwest of Bluff,
<br />at mile 113.5 082. 6 kID).
<br />
<br />Location. --Lat 34053'52", long 110009'45", in swtSWt sec. 6, T. 17 N., R. 21 E..
<br />NavajO County, near right bank on downstream side of bridge on U. S. Highway 180
<br />at Holbrook, 2.3 mi (3. 7 km) downstream from puerco River.
<br />
<br />Draina,:{e area. --23, 000 mi2 (60.000 km2), approximately.
<br />Ga,:{e-heiR'ht record. --Water-stage recorder graph. Altitude of gage is 4,048 ft
<br />0,233.8 m), levels by Topographic Division.
<br />
<br />Draina,:{e area. ~-11, 300 mi2 (29,300 km2), approximately.
<br />
<br />Gage-heip:ht record, --Water-stage recorder graph exc~pt Sept. 5. Gage~height record
<br />reconstructed from normal recession and adjoining good record. Datum of gage is
<br />5,062.87 ft 0, 543.163 m) above mean sea level. datum of 1929.
<br />
<br />Discharge record. --Stag-e-discharge relation defined by current-meter measurements
<br />below 31,000 ft3/s (880 m3/s) and a slope-area measurement at 52,000 ft3/s
<br />0.470 m3/s).
<br />
<br />Maxima. --Sept. 4-18, 1970: Discharge, 52,000 ft3/s (1,470 m3/s) 1000 hours Sept. 6
<br />~ hei.ght, 26.62 ft aT 8. 114 m).
<br />1914 to August 1970: Discharge, 70,000 ft3/s 0,980 m3/s) Sept. 10, 1927 (gage
<br />height, 32.0 it or 9. 75 m).
<br />Flood of Get. 6, 1911, probably exceeded that of Sept. 10, 1927, but stage was
<br />not accurately determined.
<br />
<br />Discharge record. --Stage-discharge relation defined by current-meter measurements
<br />below 13,000 ft3/s (370 m3/s).
<br />Maxima, uSept. 4-18, 1970: Discharge, 19,700 ft3Js (558 m3/s) 0900 hours Sept. 6
<br />(gage height, 13.92 ft or 4.243 m).
<br />,1870 to August 1970: Discharge, 60.000 ft3/s 0,700 m3/a) Sept. 19, 1923 (gage
<br />helg,ht, unknown), from cross section and slope of water surface by Corps of
<br />Engineers.
<br />
<br /> Mean discharge, in cubic feet per second, 1970
<br /> Mean discharge, in"cubic feet per second, 1970 Day Discharge Day Discharg~ Day Discharge
<br />Day Discharge Day Discharge Day Discharge Sept. 4 10 Sept. . 36 Sept. 14 214
<br />Sept. 4 634 Sept. 9 4,960 Sept. 14 5,620 5 1,800 10 16 15 119
<br /> 5 6,240 10 3,780 15 7,460 6 13.600 11 93 18 35
<br /> 6 34,700 11 3,250 16 6.230 7 1.700 12 8.6 17 20
<br /> 7 15,500 12 3,770 17 4,500 6 255 13 281 16 20
<br /> 6 10,300 13 10,200 18 3,740
<br />
<br />Gage height, in feet, and discharge, in cubic feet per second at indicated time 1970
<br />
<br />Gage height, in feet, and discharge, in cubic feet per second, at indicated time, 1970
<br />
<br />Hour Gage Discharge Hour Gage Discharge Gage
<br /> height height Haul' height Discharge
<br />Sept. 4 Sept. 6* Con. Sept. 7* Con.
<br />2400 \a) 20 0800 13.85 18,2M 0400 11. 15 2,910
<br />Sept. 5* 0900 13.92 19.700 0600 10.80 2,250
<br />1515 lal 20 1000 13.90 19,600 0900 10.38 1,560
<br />1530 11. 20 3,680 1100 13.80 19,000 1000 10.35 1.510
<br />1600 10.75 2,570 1200 13.40 16.400 1200 10.08 1,170
<br />1730 10.65 2,360 1400 12.85 13,600 1500 9.77 834
<br />1900 11.33 4,050 1500 12.70 13,000 1800 9.62 722
<br />2130 11.43 4,350 1600 12.55 12,200 2100 9.52 620
<br />2200 12.40 8,120 1700 12.55 12,200 2400 9.45 600
<br />
<br />Hour Gage Discharge Hour Gage Discharge Hour Gage Discharge
<br /> height height height
<br />Sept. , Sept. 6"'-Con. Sept. 13"'-Con.
<br />2400 3.92 634 1800 19.56 31,300 0500 12.91 14,500
<br />Sept. 5* 2000 16.76 23,800 0600 12.91 14,500
<br />0700 4.31 914 2400 14.89 19,300 0900 10.77 10,100
<br />0900 4. 77 1,350 Sept. 7* 1200 11.32 11,200
<br />1500 4.72 1,300 0600 14.01 17,200 1600 9.88 8,420
<br />1700 10.63 10,200 1200 13.22 15,400 2400 10.55 9,660
<br />2000 13.72 16,700 2400 12.14 13,100 Sept. 14*
<br />2400 15.53 20,900 Sept. 11* 0600 8.59 6,230
<br />
|