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Water-Year Summary for Site 06307740

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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)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

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

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USGS Water-Year Summary 2017
06307740 OTTER CREEK AT ASHLAND, MT
LOCATION - Lat 45°35'18.20", long 106°15'18.20" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 SE 1/4 sec.11, T.3 S., R.44 E., Rosebud County, MT, Hydrologic Unit 10090102, on left bank 200 ft downstream from bridge on U.S. Highway 212, 0.3 mi southeast of Ashland, and at river mile 2.7. revised,
DRAINAGE AREA - 710 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1972 to November 1985, October 1987 to September 1995, October 2003 to October 2106 (discontinued).
GAGE - Water-stage recorder. Elevation of gage is 2,916.57 ft, referenced to the National Geodetic Vertical Datum of 1929.
REMARKS -
10-01-2015 to 11-08-2016: records are good, except estimated records are poor.
10-01-2014 to 09-30-2015: records are good, except estimated records are poor.
10-01-2013 to 09-30-2014: records are fair, except estimated records are poor.

Diversions for irrigation upstream from the station.

WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1975-85, July 2003 to October 2016 (discontinued).
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: November 1980 to August 1985 (observer daily samples), May 2004 to October 2008, 
March 2013 to September 2015 (seasonal records, continuous monitor), October 2015 to October 2016 (discontinued).
 
INSTRUMENTATION - Specific conductance probe was installed May 2004, discontinued October 2008 and reinstated March 2013.
REMARKS -
SPECIFIC CONDUCTANCE
11-19-2015 to 11-08-2016: records are excellent except records from Jan. 2 to Feb. 21, Feb. 27 to 
Mar. 5, Apr. 3-26, May 4-22, May 30 to June 8, Aug. 6-16, 21-24, Sept. 30 to Oct. 8, and Oct. 22 to 
Nov. 2 are good; records from Mar. 6-14, May 23-25, June 9-16, July 8-14, and Nov. 4-8 are fair; and 
records from June 17-23 and July 15-26 are poor.

03-25-2015 to 11-18-2015 (seasonal period): records are excellent, except records from Apr. 3-24, 
Apr. 27 to May 3, May 11-21, June 22-26, July 22 to Aug. 7, Aug. 28 to Sept. 15, Sept. 25 to Oct 11, 
and Oct. 30 to Nov. 11 are good; records from May 4-7, 22-27, June 5, 16-21, 27, 28, Aug. 8-19, 
Sept. 16, 17, Oct. 12, 13, and Nov. 12-28 are fair; and records from June 29 to July 15 are poor.

03-19-2014 to 10-31-2014 (seasonal period): records ranged from excellent to poor. 

EXTREMES FOR PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Maximum daily, 3,950 microsiemens per centimeter (uS/cm) at 25.0°C, Apr. 4, 
2014;  minimum daily , 922 uS/cm at 25.0°C, May 20, 2013.