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<br />96
<br />
<br />FLOODS OF SEPT. 1970 IN ARIZ., UTAH, COLO., AND N. MEX.
<br />
<br />STATION DATA-GILA RIVER BASIN
<br />
<br />97
<br />
<br />Moenkopi Wash near Tuba City, Ariz.-Continued
<br />
<br />Little Colorado River near Cameron, Ariz.-Continued
<br />
<br />Mean discharge. in cubic feet per second, 1970
<br />
<br />Discharge
<br />1.0
<br />14
<br />1. 620
<br />
<br />Day
<br />Sept. 7
<br />8
<br />
<br />Discharge
<br />7S
<br />23
<br />
<br />Day,
<br />Sept. 9
<br />10
<br />
<br />Discharge
<br />9.0
<br />3.3
<br />
<br />Gage height. in feet, and discharge, in cubic feet per second, at indicated time, 1970
<br />
<br />Day
<br />Sept. 4
<br />5
<br />6
<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 />1215 9.72 5,360 Sept. ,. 0400 6.70 2,090
<br />1400 9.40 4,980 0400 7.92 3,290 0800, 5.97 1,500
<br />1700 8.00 3,380 1000 7.94 3,310 1400 5.33 1,010
<br />2000 7.85 3,220 1600 7.92 3,290 1800 5.11 866
<br />2200 11.60 7,920 2400 8. 38 3,800 2400 4.78 66'
<br />2400 13.95 11,600
<br />
<br />* Daily means computed from data in addltlOn to figures shown.
<br />
<br />Hour Gage Discharge Hour Gage Discharge Hour Gage Discharge
<br /> height height height
<br />Sept. 4 Sept. 6 Sept. 6 Con.
<br />2400 1.21 0.56 0100 4.00 570 1400 4. 40 708
<br />Sept. 5 0300 10.15 3,860 1800 3. 63 444
<br />1200 1. 20 .52 0600 10.90 4,420 2400 2.94 252
<br />1800 1.20 .52 0730 11.38 4,990 Sept. 7
<br />1830 2.41 121 0900 7.20 1,950 1200 2.02 57.5
<br />2400 1.67 21.1 1100 5.30 1,050 2400 1. 80 32.5
<br />
<br />GILA RIVER BASIN
<br />
<br />(75) 09484000. Sabino Creek near Tucson, Ariz.
<br />
<br />(74) 09402000. Little Colorado River near Cameron, Ariz.
<br />
<br />Location. --Lat 32"19'0111, long 110"48'36", in SEtNEt sec. 9, T.t3 S.. R. 15 E., Pima
<br />County. on right bank O. 5 mi (0.8 Ian) north of Coronado National Forest boundary
<br />and 12 mi (19 Ian) northeast of city hall in Tucson.
<br />Drainage area. --35. 5 mi2 (91. 9 km2).
<br />
<br />Location. --Lat 35055'35", long 111034'00", in Nwt sec. 5, T. 29 N.. R.8 E. (unsurveyed),
<br />Coconino County, in Navajo Indian Reservation, on left bank 3 mi (5 km) downstream
<br />from Coconino dam site, 9.5 mi (15.3 Ian) downstream from Moenkopi Wash, ,9.5 mi
<br />(15.3 km) northwest of Cameron. and 45 mi (72 km) upstream from mouth. .
<br />
<br />Gage-hei,ght record. --Digital recorder tape. Altitude of gage is 2, 720 ft (829 m). from
<br />topographic map.
<br />
<br />DrainaRe area. --26, 500 mi2 (68,600 km2), approximately.
<br />
<br />Discharge record. --Stage-discharge relation defined by current. meter measurements
<br />below 3.000 ftj/s (85 m3/s) and extended above on basis of slope-area measurement
<br />of peak flow.
<br />
<br />Gage-height record. --Water-stage recorder gra"ph. Datum of gage is 3,979.2 ft
<br />(1,212.86 m) above mean sea level. datum of 1929.
<br />
<br />Maxima. --Sept. 3-10, 1970: Discharge, 7,730 ft3/s (219 m3/s) 0315 hours Sept. 6
<br />--rgage height, 10.21 ft or 3.112 m).
<br />1932 to August 1970: Discharge, 6,400 ft3/s (181 m3/s) Aug. 10, 1966 (gage
<br />height, 9.65 ft or 2. 941 m). from rating curve extended above 3,000 ft3/s (85 m3/s)
<br />on basis of slope-area measurement of peak flow.
<br />
<br />Dischar,ge record. --Stage-discharge relation defined by current-meter measurements.
<br />
<br />Maxima. --Sept. 4-15, 1970; Discharge, 12,600 ft3/s (357 m3/s) 0130 hours Sept. 7
<br />(gage height, 14.54 ft or 4.432 m).
<br />1947 to August 1970: Discharge, 24.900 ft3js (705 m3/s) Jan. 21. 1952 (gage
<br />height, 20.7 ft or 6.31 m).
<br />
<br /> Mean discharge, in cubic feet per second, 1970
<br />Day Discharge Day Discharge Day Discharge
<br />Sept. 3 9.1 Sept. 6 2,130 Sept. 9 92
<br /> 4 126 7 347 10 36
<br /> 5 154 8 151
<br />
<br /> Mean discharge, in cubic feet per second, 1970
<br />Day Discharge Day Discharge Day Discharge
<br />Sept. 4 0.3 Sept. 8 3,320 Sept. 12 385
<br /> 5 71 9 4,560 13 180
<br /> 6 3.860 10 6,130 14 192
<br /> 7 3,880 11 1,200 15 260
<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 Hour Gage Discharge
<br /> height height height
<br />Sept. 4 Sept. 6 Sept. 7
<br />2400 4. 49 187 0200 8.44 1,140 0200 5.30 450
<br />Sept. 5 0315 10.21 7,730 0400 5. 11 378
<br />0200 4. 32 147 0400 9.26 5, 120 0600 5.09 371
<br />0400 4.23 128 0600 8.57 3,770 0800 4.97 330
<br />0600 4.12 108 0800 8.40 3,480 1000 4.87 344
<br />0800 4.07 100 1000 7.41 2,090 1200 4.80 272
<br />1000 4.19 120 1200 6.8.8 1,500 1400 4.71 246
<br />1200 4.81 275 1400 6.54 1,200 1600 4.63 223
<br />1400 4.55 203 1600 6.13 891 1800 4.58 206
<br />1600 4.38 160 1800 5.80 690 2000 4.51 193
<br />1800 4.27 136 2000 5.73 655 2200 4.43 1"72
<br />2000 4.17 117 2200 5.60 590 2400 4.36 156
<br />2200 4. 09 103 2400 5.46 520
<br />2400 4.06 98
<br />
<br />Hour Gage Discharge Hour Gage Discharge Hour Gage Discharge
<br /> height height height
<br />Sept. 4 Sept. 7' Sept. 9'
<br />2400 2.36 0.2 0130 14.54 12,600 0600 8.62 4,060
<br />Sept. 5' 0200 14.30 12,200 1700 9.40 4,980
<br />2000 2.33 .1 0400 10.90 6,940 1900 9.47 5,060
<br />2100 5.10 860 0500 9.00 4,500 2400 10.12 5.880
<br />2400 4.25 385 0700 7.45 2,800 Sept. 10'
<br />Sept. 6' 1100 5.96 1,490 0600 10.80 6.800
<br />0100 3.88 223 1400 5.32 1,000 1400 11.28 7,470
<br />0400 4.34 430 1500 5. 56 1,170 1800 10.85 6,870
<br />0600 4.80 680 1800 7.45 2,800 2200 8.66 4.110
<br />0700 8.30 3,710 2100 7.41 2,760 2400 7.82 3,180
<br />0900 9.22 4,750 2400 7.70 3.050 Sept. 11'
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