USGS Water-Year Summary for Site 06313500

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	90856 SAR, w, regression(Max.,Min.,Mean)

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Water year 2024: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2024

06313500 POWDER RIVER AT SUSSEX, WY

LOCATION - Lat 43°41'49.51", long 106°18'22.3" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 NW 1/4 sec.13, T.43 N., R.79 W., Johnson County, WY, Hydrologic Unit 10090202, on left bank 0.4 mi upstream from bridge on State Highway 192, 0.6 mi west of Sussex, and 3.2 mi downstream from Salt Creek.

DRAINAGE AREA - 3,084 mi².

REVISIONS HISTORY -

WDR WY-80-1: 1979 (M), 1979. http://waterdata.usgs.gov/nwis/dv/?site_no=06313500:2015. http://waterdata.usgs.gov/nwis/dv/?site_no=06313500.

The 1940, 1950, 1957, and 1978 water year peak qualification codes were revised on December 17, 2024 to correct the peaks affected by datum changes.

SURFACE-WATER RECORDS

PERIOD OF RECORD - April 1938 to June 1940, February 1950 to September 1957, October 1977 to September 1984, October 1985 to September 1998, November 2002 to current year.

GAGE - Water-stage recorder. Elevation of gage is 4,372ft above NGVD of 1929, from topographic map. Prior to June 30, 1940, nonrecording gage about 500 ft downstream from old State Highway 192 at different datum. February 8, 1950 to September 30, 1957, water-stage recorder about 600 ft downstream from State Highway 192 at different datum. October 1977 to April 8, 1983, water-stage recorder 10 ft downstream from State Highway 192 at different datum. April 9, 1983 to October 21, 1987, at site 300 ft upstream from station at same datum. February 28, 2016 gage datum was raised 2.0 ft. U.S. Geological Survey data collection platform with satellite telemetry at station.

REMARKS -

11-16-2016 to 10-10-2017: records are good, except estimated records are poor.

10-08-2015 to 11-15-2016: records are good, except estimated record and record May 21 to June 13 are poor.
10-01-2015 to 10-07-2015: records are good, except estimated records are poor.  
10-01-2013 to 09-30-2014: records are fair, except estimated records are poor.

Numerous small reservoirs and diversions for irrigation upstream from station.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of September 30, 1923, gage height, about 14.7 ft at site about 600 ft downstream from State Highway 192, from information by local resident.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1949-53, 1967-68, 1976 to current year.

PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: January 1983 to September 1984, April 2003 to current year (seasonal).
WATER TEMPERATURE: October 1982 to September 1984, April 2003 to current year (seasonal).
SUSPENDED-SEDIMENT DISCHARGE: May 1983 to September 1984.

INSTRUMENTATION - Water-quality monitor for specific conductance and water temperature.

REMARKS -

SPECIFIC CONDUCTANCE
11-06-2015 to 02-11-2017: records are excellent, except records from Mar. 19-21, May 14-18, 
July 14-18, and Oct. 26 to Nov. 10, are good; records from Mar. 22, 23, May 19-22, 
July 19-21, Aug. 21 to Sept. 13,  and Nov. 11-16, are fair; and records from 
Mar. 24-30 and May 23 to June 3,  are poor.  

10-01-2013 to 11-24-2014: records are excellent, except records from Oct. 29 to Nov. 7, Apr. 4, 12-17, 
Apr. 27 to May 8, May 11-22, June 26, July 26 to Aug. 5, Aug. 23, 29-31, and Sept. 6-9, 17-19 are 
good; records from Apr 5, 18-22, May 23 to June 17, July 12, Aug. 15, and Sept. 20-27 are fair; and 
records from Oct. 1-25, Apr. 6, 7, 23, 24, June 27, 28, July 13-21, Aug. 16-19, 24, 25, and Sept. 28, 
29 are poor.

WATER TEMPERATURE
11-06-2015 to 02-11-2017: records are excellent.
11-25-2014 to 11-05-2015: records are excellent.
10-01-2013 to 11-24-2014: records are excellent, except records from Oct. 4-7, 2015 are good.

Water-temperature records represent water temperature at sensor within 0.2°C.  Maximum and minimum 
recorded values in the EXTREMES paragraphs may have occurred during days of partial record and may not 
appear in the daily values tables.

EXTREMES FOR PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: Maximum recorded, 7,980 microsiemens per centimeter at 25°C (uS/cm), August 17, 
2003; minimum recorded, 379 uS/cm, May 29, 2014.
WATER TEMPERATURE: Maximum recorded, 34.7°C, July 24, 2005; minimum recorded, -0.1°C, March 29, 2007, 
November 3, 7-9, 2012, March 19, 2016.

EXTREMES FOR CURRENT YEAR - SPECIFIC CONDUCTANCE: Maximum recorded, 6,140 uS/cm, October 1; minimum recorded, 588 uS/cm, May 16. WATER TEMPERATURE: Maximum recorded, 32.4°C, July 18; minimum recorded, 0.0°C, April 8-10.