USGS Water-Year Summary 2021
06330000 MISSOURI RIVER NEAR WILLISTON, ND
LOCATION - Lat 48°06'29", long 103°42'51" referenced to North American Datum of 1927, in sec.06, T.153 N., R.101 W., McKenzie County, ND, Hydrologic Unit 10110101, on right bank of Missouri River, 100 ft downstream from bridge about 5 miles SW of Williston.
DRAINAGE AREA - 164,500 mi². approximately.
PERIOD OF RECORD - DAILY GAGE HEIGHT--April 1966 to current year.
PERIOD OF RECORD.--DAILY DISCHARGE--October 1897 to July 1965. October 1897 to September 1928 monthly discharge only, published in WSP 1309. The monthly discharges for 1897 to 1928 were computed from records for Missouri River at Fort Benton and for Lower Yellowstone River and published as acre-feet in USGS Circular 108; figures of daily discharge April 1905 to May 1907 published in WSP 172, 208, and 246 have been found to be unreliable and should not be used.
Water-stage recorder. Datum of gage is 1,831.84 ft above North American Vertical Datum of 1988 (NAVD88). National Geodetic Vertical Datum of 1929 (NGVD29) datum was converted to NAVD88 datum using the National Geodetic Surveys VDATUM transformation tool in November, 2017. Prior to October 1, 2017, land-surface datum was published as 1,830.20 ft above NGVD29, based on C.E. and USGS benchmark R 379 (elev. 1871.515 ft; GH 41.308 ft).
Previous locations and datums are as follows (From WSP 1917 for history of changes prior to April 1966):
April 1905 to May 1907; Chain and staff gages at site 15 miles downstream at different datum.
September 14, 1928 to May 14, 1958; on left bank at present datum.
EXTREMES FOR PERIOD OF RECORD - Maximum daily gage height recorded, 30.33 ft, June 21, 2011; minimum daily recorded, 7.80 ft, November 2, 1966.
PERIOD OF RECORD - Water years 1951-65, 1969-70, 1974-82, 1992.
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: May 1951 to June 1965, October 2009 to current year.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: June 1936 to July 1965. Daily suspended-sediment discharge for June 1936 to July 1965 furnished by the U.S. Army Corps of Engineers.
EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Maximum recorded, 26.7° C, July 21, 22, 1958; minimum daily recorded, -0.3° C, several days in January and March, 2015.
SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 4,970,000 tons/day, June 16, 1937; minimum daily, 360 tons/day, December 28, 1939.