USGS Water-Year Summary 2023
06185600 MISSOURI RIVER STAGE GAGE NO. 4 NEAR NOHLY, MT
LOCATION - Lat 48°02'10", long 104°09'40" referenced to North American Datum of 1927, in sec.01, T.26 N., R.58 E., Richland County, MT, Hydrologic Unit 10060005, on right bank 4.5 mi northwest of Nohly, MT, and at mile 1,595.7.
DRAINAGE AREA - 93,000 mi². approximately.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1959 to September 2006, May 2009 to current year (seasonal records only).
GAGE - Water-stage recorder. Datum of gage is 1,860.00 ft above National Geodetic Vertical Datum of 1929. Prior to April 18, 1962, at datum 60.00 ft lower.
EXTREMES FOR PERIOD OF RECORD - Maximum daily gage height recorded, 25.12 ft, June 21, 2011; minimum daily gage height recorded, 6.87 ft, April 18, 1963.