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Water-Year Summary for Site 422305121553800

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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.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Min.,Med.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
422305121553800 UPPER KLAMATH LAKE (MID-TRENCH, LOWER) NEAR KLAMATH FALLS, OR
LOCATION - Lat 42°23'05.38", long 121°55'38.93" referenced to North American Datum of 1927, Klamath County, OR, Hydrologic Unit 18010203, and about 0.17 mi east of shore.
SURFACE-WATER RECORDS
PERIOD OF RECORD -

SPECIFIC CONDUCTANCE: June 2004 to current year (seasonal records only).

pH: June 2004 to current year (seasonal records only).

WATER TEMPERATURE: June 2004 to current year (seasonal records only).

DISSOLVED OXYGEN: June 2004 to current year (seasonal records only). Prior to October 2015, published as Mid-Trench - Lower - MDTL.

WATER-QUALITY RECORDS
INSTRUMENTATION - Water-quality monitor.
REMARKS - Chemical analyses collected at this location are available via NWISWeb.
EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE: Maximum, 160 microsiemens Aug. 3, 2005; minimum, 95 microsiemens May 24, 2017.

pH: Maximum, 10.1 units June 29, 2007, July 6-10, 2020; minimum, 6.8 units May 31, 2009.

WATER TEMPERATURE: Maximum, 25.2°C July 31, 2022; minimum, 6.2°C Oct. 12, 2008.

DISSOLVED OXYGEN: Maximum, 12.0 mg/L Oct. 13, 2004; minimum, 0.0 mg/L on many days.