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USGS 12149000 SNOQUALMIE RIVER NEAR CARNATION, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.--Station data inventory, annual data report, and latest shifted rating.

Flood Stage.--The National Weather Service Flood Stage for this station is 54.0 feet.

Funding for this site is provided by the cooperators / programs below:

Station Notes
gage
At this site, near-real-time provisional discharges greater than 9,000 ft3/s (gage heights greater than about 50 ft) are not reliable due to unsteady flow conditions during high flows. Under these conditions, a loop stage-discharge rating exists such that the true discharge is generally greater than indicated on a rising hydrograph and less than indicated on a falling hydrograph. Corrections are applied following a high-flow event but data remain provisional until approved. (Message posted February 20, 2015.)

Boating safety tips

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 2007-10-01  2017-02-25
00065 Gage height 2007-10-01  2017-02-25

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 2930 02-25-2017   23:15 PST
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Daily discharge, cubic feet per second -- statistics for Feb 26 based on 87 years of record more
Min
(1993)
25th
percen-
tile
Most Recent
Instantaneous
Value Feb 26
Median Mean 75th
percen-
tile
Max
(1932)
1170 2340 2930 2990 4270 4840 36500


Gage height, feet

Most recent instantaneous value: 47.00 02-25-2017   23:15 PST
Graph of  Gage height, feet

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