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USGS 12149000 SNOQUALMIE RIVER NEAR CARNATION, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.-- 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 less reliable due to unsteady flow conditions during high flows. Corrections are being applied in real-time to account for the looped stage-discharge rating effects, but some loss in accuracy can be expected. (Message posted August 18, 2017.)

gage
The datum of the gage has been determined to be 2.12 ft above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988, add 2.12 to gage height values.

Boating safety tips

This station managed by the Northwest Washington Field Office (Ferndale).

Available Parameters Available Period
  
1987-10-01  2025-10-20
2007-10-01  2025-10-20







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second, [(2)]
Most recent instantaneous value: 5090 10-20-2025   04:15 PDT
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Daily discharge, cubic feet per second -- statistics for Oct 20 based on 96 water years of record more
Min
(1988)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Oct 20		 Max
(1948)
389 1100 1790 2910 4020 5090 18000

Gage height, feet
Most recent instantaneous value: 46.91 10-20-2025   04:15 PDT
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