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Water-Year Summary for Site 06185600

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00065 Gage height(Mean)  

Water year 2025: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2025
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 -

Datum of the gage is 1,861.89 feet above North American Vertical Datum of 1988 (NAVD88) and 1,860.00 feet above National Geodetic Vertical Datum of 1929 (NGVD29).

For a detailed gage datum history, please use the blue 'questions or comments' tab on the bottom of the site's monitoring location page.

REMARKS - Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018. Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-nd_NWISWeb_Data_Inquiries@usgs.gov.

Stage regulated by Fort Peck Lake.

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.