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USGS 12144500 SNOQUALMIE RIVER NEAR SNOQUALMIE, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.-- Latest shifted rating.

Flood Stage.--The National Weather Service Flood Flow for this station is 20,000 cfs. King County has Flood Phase Information for this gage.

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

Station Notes
gage
The King County Flood Phase related to this gage is based on the sum of the North, South, and Middle Forks of the Snoqualmie River.

Boating safety tips

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

Available Parameters Available Period
  
1987-10-01  2025-10-29
2007-10-01  2025-10-29







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 4850 10-29-2025   11:30 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Oct 29 based on 67 water years of record more
Min
(1988)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Oct 29		 Max
(2022)
322 965 1790 2610 3140 4850 16500

Gage height, feet
Most recent instantaneous value: 7.39 10-29-2025   11:30 PDT
Graph of Gage height, feet

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