USGS Water-Year Summary 2021
05137500 RAINY RIVER NEAR BOAT LANDING AT WHEELERS POINT,MN
LOCATION - Lat 48°49'49", long 94°42'18" referenced to North American Datum of 1983, Lake of the Woods County, MN, Hydrologic Unit 09030008, in pump shelter located at streamward end of one of Sportsman's Lodge boat piers, and one mile upstream from Lake of the Woods, Fourmile Bay.
DRAINAGE AREA - 21,200 square miles
PERIOD OF RECORD - Apr. 14, 2010 to Sept. 30, 2011; gage operated seasonally. Oct. 1, 2011 to Oct. 2018 continuous discharge. (discontinued). Stage only Oct. 2018 to current year.
GAGE - Water stage and velocity recorder. Datum of gage is 1055.20 ft. above sea level (NAVD of 1988).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 99,100 ft³/s, gage-height, 8.09 ft; June 18, 2014; maximum gage-height 9.17 ft, July 12, 2014 (backwater from Lake of the Woods); maximum daily-mean discharge, 84,500 ft³/s, June 18, 2014; minimum daily-mean discharge, 1,330 ft³/s, Oct. 4, 2012.
PERIOD OF RECORD - Water Temperature: October 2014 to October 2018.
PERIOD OF DAILY RECORD - Water Temperature: October 2014 to October 2018.
INSTRUMENTATION - Water temperature sensor from the SonTek Argonaut SL, which provides continuous readings. Sensor located at gage.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 25.9 C, August 17, 2016; minimum, 0.0 C, many days, most years.