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  2025-08-31
2025-05-04  2025-08-31
1987-10-01  2025-08-31
2007-10-01  2025-08-31
2019-12-03  2025-08-31







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 13.6 08-31-2025   23:30 PDT
Graph of Temperature, water, degrees Celsius

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Temperature, air, degrees Celsius
Most recent instantaneous value: 13.8 08-31-2025   23:30 PDT
Graph of Temperature, air, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 5.60 08-31-2025   23:30 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Sep 1 based on 61 water years of record more
Most Recent
Instantaneous
Value Sep 1		 Min
(2022)		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Max
(1961)
-- unavailable -- 2.56 3.8 7.5 20 22 154

Gage height, feet
Most recent instantaneous value: 0.69 08-31-2025   23:30 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: 0.2 08-31-2025   23:30 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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