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Water-Year Summary for Site 06205000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
06205000 STILLWATER RIVER NEAR ABSAROKEE, MT
LOCATION - Lat 45°32'12.27", long 109°25'19.40" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SE 1/4 sec.30, T.3 S., R.19 E., Stillwater County, MT, Hydrologic Unit 10070005, , revised, on right bank 3 mi downstream from Rosebud Creek, 3.5 mi northeast of Absarokee, 9 mi southwest of Columbus, and at river mile 9.4.
DRAINAGE AREA - 976 mi². revised.
REVISIONS HISTORY - Water Supply Paper (WSP) 1309: 1911, maximum discharge. WSP 1729: Drainage area. WDR MT-2013: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1910 to September 1914 (no winter records), March 1935 to September 1995, October 1995 to September 2000 (seasonal records only), October 2000 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,950 ft, referenced to the North American Vertical Datum of 1988. Prior to Oct. 1, 1914, nonrecording gage; Mar. 26, 1935, to July 16, 1942, nonrecording gage at bridge 0.5 mi upstream at different elevations; July 17, 1942 to Mar. 23, 2005, water-stage recorder 1.5 mi downstream at elevation 3,873.8 ft (levels by U.S. Army Corps of Engineers).
REMARKS -
10-01-2017 to 09-30-2018: records are fair, except estimated records which are poor.
10-01-2016 to 09-30-2017: records are good, except estimated records which are poor.
10-01-2015 to 09-30-2016: records are good, except estimated records which are poor.
10-01-2014 to 09-30-2015: records are good, except estimated records which are poor.  
10-01-2013 to 09-30-2014: records are good, except estimated records which are poor. 
 
Flow is partly regulated by Mystic Lake (station number 06204000). Diversions for irrigation include about 24,300 acres, of which 400 acres lies downstream from station.

 

WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: July 1, 2009 to current year, seasonal records only.
INSTRUMENTATION - Met One 63-1 water temperature thermistor is deployed seasonally along the right bank. Water temperature thermistor is interfaced to the Design Analysis H-350XL.
REMARKS -

WATER TEMPERATURE

07-01-2017 to 09-30-2017 (seasonal record): records are good.
07-01-2016 to 09-30-2016 (seasonal period): records are excellent except for August 19-21 which are fair.
07-01-2015 to 09-30-2015 (seasonal period): records are excellent.
07-01-2014 to 09-30-2014 (seasonal period): records are excellent.

EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: During period of seasonal operation, maximum, 23.9 °C, July 30, 2016; minimum, 
5.3 °C, Sept. 30, 2018.
EXTREMES FOR CURRENT YEAR - WATER TEMPERATURE: During period of seasonal operation, maximum 22.1 °C, August 10; minimum, 5.3°C, September 30. Minimum/maximum water temperature for the year may have been outside of seasonal period of operation.