USGS 12148500 TOLT 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 Flow for this station is 5,000 cfs. King County has Flood Phase Information for this gage.

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

Boating safety tips

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

Available Parameters Available Period
  
2016-10-01  2025-07-12
2023-09-20  2025-07-12
1987-10-01  2025-07-12
2007-10-01  2025-07-12
2024-08-13  2025-07-12







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 16.0 07-12-2025   14:15 PDT
Graph of Temperature, water, degrees Celsius

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Temperature, air, degrees Celsius
Most recent instantaneous value: 26.3 07-12-2025   14:15 PDT
Graph of Temperature, air, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 147 07-12-2025   14:15 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 12 based on 90 water years of record more
Min
(1940)		 Most Recent
Instantaneous
Value Jul 12		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1972)
106 147 196 257 315 352 1960

Gage height, feet
Most recent instantaneous value: 4.49 07-12-2025   14:15 PDT
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
Most recent instantaneous value: 0.0 07-12-2025   14:15 PDT
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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