USGS 12147600 SOUTH FORK TOLT RIVER NEAR INDEX, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.-- Latest shifted rating.

Flood Stage.--The National Weather Service has not established a Flood Stage for this station.

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
  
2007-10-01  2026-08-10
2026-04-12  2026-08-10
1987-10-01  2026-08-10
2007-10-01  2026-08-10
2019-12-03  2026-08-10







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 14.3 08-10-2026   16:30 PDT
Graph of Temperature, water, degrees Celsius

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Temperature, air, degrees Celsius
Most recent instantaneous value: 20.3 08-10-2026   16:30 PDT
Graph of Temperature, air, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 2.77 08-10-2026   16:30 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Aug 10 based on 62 water years of record more
Most Recent
Instantaneous
Value Aug 10		 Min
(2023)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1974)
2.77 2.85 4.6 6.7 9.3 11 30.0

Gage height, feet
Most recent instantaneous value: 0.53 08-10-2026   16:30 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: 0.0 08-10-2026   16:30 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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