USGS Water-Year Summary 2022
06066500 MISSOURI RIVER BELOW HOLTER DAM, NEAR WOLF CREEK, MT
LOCATION - Lat 46°59'41.06", long 112°00'38.40" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 SE 1/4 sec.5, T.14 N., R.3 W., Lewis and Clark County, MT, Hydrologic Unit 10030102, on left bank 0.4 mi downstream from Holter Dam, 2.8 mi southeast of Wolf Creek, and at river mile 2,210.7.
DRAINAGE AREA - 16,924 mi².
PERIOD OF RECORD - October 1945 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,464.11 ft, referenced to the National Geodetic Vertical Datum of 1929.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 1999 to current year.
INSTRUMENTATION - Water temperature probe was installed Sept. 30, 1999.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 22.5°C, July 27, 2007; minimum, 0.5°C, many days in winter months.