Click
to
hide
Water-Year
Summary
instructions
and
information
- 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.
USGS Water-Year Summary 2024
453712121071200 COLUMBIA RIVER AT THE DALLES DAM FOREBAY, WA
LOCATION - Lat 45°37'12", long 121°07'12" referenced to North American Datum of 1927, Klickitat County, WA, Hydrologic Unit 17070105, on upstream side of the top deck of The Dalles Dam powerhouse, river mile 192.4.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - BAROMETRIC PRESSURE: April 1996 to current year (seasonal records only).
INSTRUMENTATION - Meteorological monitor.
EXTREMES FOR PERIOD OF RECORD - BAROMETRIC PRESSURE: Maximum, 781 mmHg Apr. 14, 1999; minimum, 738 mmHg Apr. 7, 1997, Apr. 7, 2017.
REMARKS - BAROMETRIC PRESSURE: Collection, computation, and publication of barometric pressure data do not necessarily conform to standards used by the National Weather Service. Records published in this report are for general scientific use.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
WATER TEMPERATURE: April 1996 to current year (seasonal records only).
TOTAL DISSOLVED GAS: April 1996 to current year (seasonal records only).
INSTRUMENTATION - Water-quality monitor.
REMARKS - Sensor depth collected at this location is not referenced in this document.
EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Maximum, 23.5°C July 9, 2015; minimum, 2.8°C Mar. 13, 2019.
TOTAL DISSOLVED GAS: Maximum, 1020 mmHg June 4, 10, 1997; minimum, 732 mmHg Apr. 20, 1997, Nov. 6, 2002.
