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Water-Year Summary for Site 06052500

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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.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
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USGS Water-Year Summary 2024
06052500 GALLATIN RIVER AT LOGAN, MT
LOCATION - Lat 45°53'07.28", long 111°26'17.83" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 NE 1/4 sec.35, T.2 N., R.2 E., Gallatin County, MT, Hydrologic Unit 10020008, on right bank at former county road bridge site, 0.2 mi upstream from present county bridge, 0.5 mi west of Logan, and at river mile 6.3.
DRAINAGE AREA - 1,789 mi².
REVISIONS HISTORY - WSP 1389: 1898-99; 1903; 1905; 1929, maximum discharge (M); 1935-36 (M); 1938-39 (M); 1941 (M). WSP 1559: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1893 to December 1905, August 1928 to current year. Monthly discharge only for some periods, published in Water Supply Paper (WSP) 1309.
GAGE - Water-stage recorder. Elevation of gage is 4,086.42 ft, referenced to the National Geodetic Vertical Datum of 1929. Prior to Aug. 10, 1928, nonrecording gages at several sites within 0.5 mi of present site at various elevations. Aug. 10, 1928, to Oct. 7, 1941, nonrecording gage at present site and elevation.
REMARKS - Some regulation occurs by Middle Creek Reservoir (station number 06049500). Diversions for irrigation occur upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow observed, site and datum then in use. Maximum peak stage from floodmark, backwater from ice. Instantaneous low flow observed.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1949, 1951, 1957, 1965, 1979-86, 1999 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: August 1979 to September 1985, October 1999 to current year (varies between water year and seasonal records).
INSTRUMENTATION - Water temperature probe installed seasonally due to ice.
REMARKS -  
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 28.5°C, July 19-21, 2003; minimum, 0.0°C, on many days during winter periods.