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<br />FLOODS OF SEPT. 1970 IN ARIZ., UTAH, COLO., AND N. MEX.
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<br />STATION DATA-GILA RIVER BASIN
<br />
<br />121
<br />
<br />(121) 09510180. Rock Creek near Sunflower, Ariz.
<br />
<br />Sycamore Creek near Fort McDowell, Ariz.-Continued
<br />
<br />Location. --Lat 33-43'49", long 11103012811, in SEt sec. 35, T.5 N., R.8 E.', Maricopa
<br />County. on left bank 300 ft (90 m) upstream from culvert on State Highway 87, 0.3 mi
<br />(0.5 km) upstream from mouth, and 10 mi (16 km) south of Sunflower.
<br />Drainage area. --15. 2 mi2 (39. 4 km2).
<br />Gage-heiR"ht record. uDigital recorder tape. Datum of gage is 2,051. 59 ft (625.325 m)
<br />above mean sea level (Arizona State Highway Department bench mark).
<br />Discharge record. --Stage-discharge relation defined by current-meter measurements
<br />below 150 ftJ/s (4.2 m3/a) and extended above on basis of slope-area measurements
<br />at gage heights 4.50, 5.40, and 6.80 ft (1. 372, 1. 646, and 2.073 m).
<br />Maxima. --Sept. 4-10, 1970: Discharge, 1.540 ft3/s (43. 6 m3/s) 1945 hours Sept. 5
<br />(gage height, 6.35 ft or 1. 935 m).
<br />1963 to August 1970: Discharge, 1,900 ft3/s (53. 8 m3/s) Dec. 22, 1965 (gage
<br />height, 6.80 ft or 2.073 m).
<br />
<br />Day
<br />Sept. 4
<br />5
<br />,
<br />
<br />Mean discharge, in cubic feet per second, 1970
<br />
<br />Discharge Day Discharge Day
<br />
<br />o Sept. 7 30 Sept. 9
<br />2,000 8 15 10
<br />700
<br />
<br />Discharge
<br />
<br />10
<br />7,0
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<br />(123) 09511300. Verde River near Scottsdale, Ariz.
<br />
<br />Location. --Lat 33034'5211, long 111040'1211, in NEt sec. 3D, T.3 N., R. 7 E., Maricopa
<br />County, on pier near left bank on downstream side of bridge on State Highway 87, in
<br />Fort McDowell Indian Reservation, 2.5 mi (4. 0 km) upstream from mouth, 3.8 mi
<br />(6. I km) downstream from Fort McDowell, and 16 mi (26 km) northeast of Scottsdale.
<br />Drainage area. H6, 600 mi2 (17,100 km2), approximately.
<br />
<br />,
<br />
<br /> Mean discharge, in cubic feet per second, 1970
<br />Day Discharge Day Discharge Day Discharge
<br />Sept. 4 0 Sept. 7 12 Sept. 9 1.8
<br /> 5 149 8 8,7 10 0
<br /> , 75
<br />
<br />Gage-height record. --Digital recorder tape. Datum of gage is 1,351. 35 ft (411. 891 m)
<br />above mean sea level. datum of 1929.
<br />
<br />Discharge record. --Stage-discharge relation defined by current-meter measurements.
<br />
<br />Gage height, in feet, and discharge, in cubic feet per second, at indicated time, 1970
<br />
<br />Maxima. HSept. 4-10, 1970: Discharge, 14,500 ft3/s (411 m3/s) 2230 hours Sept. 5
<br />(gage height, 11. 32 ft or 3.450 m).
<br />1961 to August 1970: Discharge, 31,300 ft3/a (886 m3/s) Dec. 31, 1965 (gage
<br />height, 12.75 ft or 3. BB6 m).
<br />
<br />Hour Gage Discharge Hour Gage Discharge Hour Gage Discharge
<br /> height height height
<br />Sept. 4 Sept. 5' Con. Sept. 5' Con.
<br />2400 2.17 0 1900 3.03 14.6 2400 4.73 349
<br />Sept. 5' 1915 5.01 507 Sept. ,.
<br />1400 2.18 0 1930 5.98 1,250 0400 4.21 178
<br />1600 2.34 .01 1945 6.35 1,540 0800 3.6B 73.4
<br />1700 2.84 5.3 2000 6.24 1,450 1800 3.29 30. B
<br />1715 3.41 41. 8 2100 5.70 1,020 2400 3.15 21,4
<br />1800 2.94 10.4 2200 5.26 682
<br />
<br />Remarks. --Flow regulated by Bartlett and Horseshoe Reservoirs (see station 09509500).
<br />
<br />Day
<br />Sept. 4
<br />5
<br />,
<br />
<br />Mean discharge, in cubic feet per second, 1970
<br />
<br />Discharge Day DiSCharge Day
<br />
<br />124 Sept. 7 370 Sept. 9
<br />2,180 8 306 10
<br />1,190
<br />
<br />Discharge
<br />166
<br />91
<br />
<br />*DaUy means computed from data 10 addItion to fIgures shown.
<br />
<br />Gage height, in feet, and discharge, in cubic feet per second, at indicated time, 1970,
<br />of Verde River near Scottsdale Adz
<br />
<br />(122) 09510200. Sycamore Creek near Fort McDowell, Ariz.
<br />
<br />Hour Gage Discharge Hour Gage Discharge Hour Gage Discharge
<br /> height height height
<br />Sept. 4' Sept. 5' Con. Sept. ,.
<br />2400 1.95 133 2000 7.96 5,610 0200 5.84 3,010
<br />Sept. 5' 2100 7.99 5,660 0600 3.97 1,270
<br />0600 1. 99 147 2200 10.45 10,500 1200 2.74 480
<br />1200 2.06 174 2230 11.32 14,500 1800 2.68 450
<br />1600 2. 11 194 2300 11, 07 13,100 2400 2.66 440
<br />1800 6.73 4,020 2330 10.30 10,000
<br />1900 8.18 5,940 2400 9.06 7,370
<br />
<br />* Daily means computed from data 10 addItion to fIgures shown.
<br />
<br />Location. --Lat 33041 '39", long 111032'28", in sec. 16, T. 4 N., R. 8 E. (unsurveyed),
<br />Maricopa County, in Tanto National Forest, on right bank O. 7 mi (1. 1 km) southwest
<br />of Sugarloaf Mountain, 9 mi (14 Ion) northeast of Fort McDowell, 10 roi (I6 km) up-
<br />stream from mouth, and 25 mi (40 km) northeast of Scottsdale.
<br />
<br />Draina~e area. --164 mi2 (425 km2).
<br />Gage-height record. --No gage-height record. Datum of gage is 1,759.17 ft (536. 195 m)
<br />above mean sea level, datum of 1929.
<br />
<br />Dischar~e record. --Discharge estin:ate~ on basis of slope-area measureme~t of peak
<br />now, relation of past peaks to dally dIscharges, records of upstream stahons, and
<br />field estimates.
<br />
<br />Maxima. ..Sept. 4.10, 1970: Discharge, 24,200 n3/s (685 m3/a) about 1800 hours Sept. 5
<br /><gage height, 19.7 ft or 6.00 m, from profile past gage).
<br />1959 to August 1970: Discharge, 15,800 ft3/s (447 m3/s) Dec. 25 or 26, 1959
<br />(gage height, 15.0 ft or 4. 57 m, from noodmarks), from rating curve extended above
<br />3,600 ft3/s (100 m3/s) on basis of slope-area measurement of peak now.
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