Page Loading - Please Wait...
Water-Year Summary for Site 06349000
Datum of gage is 1639.47 feet above North American Vertical Datum of 1988 (NAVD88) and 1,638.70 feet above the National Geodetic Vertical Datum of 1929 (NGVD29).
Previous locations and datums are as follows (From WSP 1729 or 1917 for history of changes prior to June 30, 1958):
April 6 to September 30, 1924; Staff gage on old highway bridge, close to present site. Datum was 1,637.2 feet above NAVD88.
March 26, 1928 to March 27, 1943; Chain or wire-weight gages on old highway bridge at present datum.
April 9, 1943 to March 16, 1948; Wire weight gage on Northern Pacific Railway bridge 300 feet upstream at present datum.
March 17 to September 12, 1948; Wire-weight gage on highway bridge at present site and present datum.
September 13, 1948 to June 30, 1958; Water-stage recorder on right bank opposite of present site at present datum.
WATER TEMPERATURE--July 1972 to October 1981 and May 22, 2018 to October 31, 2018.
SPECIFIC CONDUCTANCE--July 1972 to October 1981 and May 22, 2018 to October 31, 2018.
SUSPENDED-SEDIMENT CONCENTRATION--October 1971 to September 1976.
SUSPENDED-SEDIMENT DISCHARGE--May 1948 to September 1971 (furnished by the U.S. Army Corps of Engineers).
WATER TEMPERATURE:Maximum recorded, 33.0°C, July 22, 1979; minimum recorded, 0.0
SPECIFIC CONDUCTANCE: Maximum recorded, 2,300 microsiemens, February 3, 1980; minimum recorded, 390 microsiemens, March 28, 1978.
SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 3,460 mg/L, April 30, 1975; minimum daily mean, 1 mg/L, February 6 to March 10, 1971.
SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 303,000 tons/day, April 8, 1952; minimum daily, 0.0 tons/day, many days in some years.