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USGS Water-Year Summary 2024
09444500 SAN FRANCISCO RIVER AT CLIFTON, AZ
LOCATION - Lat 33°02'58", long 109°17'43" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.30, T.4 S., R.30 E., Greenlee County, AZ, Hydrologic Unit 15040004, on downstream side on right bank at Zorrilla Street Bridge just east of U.S. Highway 191, at Clifton, AZ, 10.5 mi upstream from mouth.
DRAINAGE AREA - 2,766 mi² of which 3 mi² probably is noncontributing.
REVISIONS HISTORY - WSP 1049: 1911, 1913-15, 1917. WSP 1283: Drainage area. WSP 1313: 1927-30(M), 1932(M), 1934(M). WRD Ariz. 1972: 1917(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1910 to Mar. 1911, July 1911 to June 1912, Sept. 1912, Nov. 1912 to Mar. 1913, May 1913 to July 1918, July 1927 to current year. Monthly discharge only for some periods, published in WSP 1313. Published as "San Francisco River at dam above Clifton" in 1911 and under both names in 1912.
GAGE - Water-stage recorder. Datum of gage is 3,460 ft above sea level. See WSP 1713 or 1733 for history of changes prior to Apr. 7, 1959. Apr. 7, 1959, to Mar. 23, 1961, at site 4,290 ft downstream at datum 30.21 ft lower. July 18, 1980 to July 28, 1983, supplementary water-stage recorder 1830 ft downstream on right bank at datum 13.84 ft lower and June 15, 1981, to Sept. 30, 1983, crest-stage gages at site .60 mi downstream at datum 24.84 ft lower. Aug. 4, 1983, to Mar. 1, 1985, supplementary water-stage recorder on right bank at gage site .60 mi downstream at datum 24.84 ft lower, Oct. 1, 1992 to Sept. 30, 2009, at site .60 mi downstream, at datum 24.84 ft lower.
REMARKS - Record fair except for estimated discharge which are poor. Diversions for mining, municipal use, and for irrigation of about 2,700 acres above station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 90,900 ft³/s, Oct. 2, 1983, gage height, 19.72 ft, from highwater mark, from rating curve extended above 30,000 ft³/s on basis of slope-area measurement at gage height 17.0 ft; minimum daily, 6.1 ft³/s, June 21, 1971, June 26, 2011.
