USGS Water-Year Summary 2023
14194150 SOUTH YAMHILL RIVER AT MCMINNVILLE, OR
LOCATION - Lat 45°12'25", long 123°10'54" referenced to North American Datum of 1983, in SE 1/4 sec.21, T.4 S., R.4 W., Yamhill County, OR, Hydrologic Unit 17090008, on left bank, 0.4 mi downstream from Cozine Creek, 450 ft downstream from Highway 18 McMinnville Spur Bridge, in McMinnville and at mile 5.5.
DRAINAGE AREA - 528 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1994 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 89 ft above NAVD of 1988, from digital elevation model. Prior to Mar. 31, 2021 at location 490 ft upstream at the same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 47,100 ft³/s Feb. 9, 1996, gage height, 59.33 ft; minimum discharge, 0.58 ft³/s Sept. 4, 2003.