USGS Water-Year Summary 2019
09522000 COLORADO RIVER AT NORTHERLY INTERNATIONAL BOUNDARY, ABOVE MORELOS DAM, NEAR ANDRADE, CA
LOCATION - Lat 32°43'07", long 114°43'05" referenced to North American Datum of 1927, Yuma County, AZ, Hydrologic Unit 15030108, Gila and Salt River meridian, in Yuma County, AZ, on left bank at northerly international boundary, 0.5 miles east of Andrade, 1.1 miles upstream from Morelos Dam, 1.1 miles downstream from Rockwood Gate, and 6.4 miles downstream from gaging station on Colorado River below Yuma Main Canal Waste Way.
DRAINAGE AREA - 246,700 mi², approximately, including all closed basins entirely within the drainage boundary, also 3,959 mi² in Great Divide Basin in southern Wyoming.
PERIOD OF RECORD - Jan. 1950 to current year. Prior to Oct. 1958 published as "at international boundary."
GAGE - Water-stage recorder.
COOPERATION - Discharges are furnished by International Boundary Water Commission. These discharge figures are then rounded in accordance with standard USGS policy.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 40,600 ft³/s, Aug. 20, 1983; maximum elevation, 115.65 ft, Aug. 18 and 19, 1983; minimum discharge, 495 ft³/s, Sept. 28, 1970; minimum elevation, 101.72 ft, Nov. 2, 1981.
PERIOD OF RECORD - Oct. 1961 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Oct. 1969 to Sept. 1984.