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  2025-09-27
2007-10-01  2025-09-27







 (7)
 
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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: 252 09-27-2025   13:30 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Sep 27 based on 66 water years of record more
Most Recent
Instantaneous
Value Sep 27		 Min
(2022)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1959)
252 314 462 667 1150 1160 12800

Gage height, feet
Most recent instantaneous value: 2.04 09-27-2025   13:30 PDT
Graph of Gage height, feet

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