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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  2026-07-21
2023-09-20  2026-07-21
1987-10-01  2026-07-21
2007-10-01  2026-07-21
2024-08-13  2026-07-21







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.7 07-21-2026   04:15 PDT
Graph of Temperature, water, degrees Celsius

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Temperature, air, degrees Celsius
Most recent instantaneous value: 15.5 07-21-2026   04:15 PDT
Graph of Temperature, air, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 140 07-21-2026   04:15 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 21 based on 91 water years of record more
Min
(1940)		 Most Recent
Instantaneous
Value Jul 21		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1993)
100 140 163 203 236 273 854

Gage height, feet
Most recent instantaneous value: 4.50 07-21-2026   04:15 PDT
Graph of Gage height, feet

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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: 0.2 07-21-2026   04:15 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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