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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.
USGS Water-Year Summary 2024
06101630 Marias River at Highway 223 bridge near Chester,MT
LOCATION - Lat 48°15'36", long 110°53'30" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 NE 1/4 sec.24, T.29 W., R.6 E., Liberty County, MT, Hydrologic Unit 10030203, on left bank at upstream side of Montana State Highway 223 bridge, 4.5 mi upstream from Cottonwood Creek, 18 mi south of Chester, and at river mile 59.4.
DRAINAGE AREA - 5,947 mi² of which 547 mi² probably is noncontributing.
WATER-QUALITY RECORDS
PERIOD OF RECORD - March 2015 to current year (seasonal record).
PERIOD OF DAILY RECORD - WATER TEMPERATURE: 03-26-2015 to current year (seasonal records).
INSTRUMENTATION - Water temperature recorder was installed in March 2015.
REMARKS -
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 21.8°C, July 26, 29, 2016, minimum, -0.1°C, April 1-3, 2018.
