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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  2025-12-21
2025-08-22  2025-12-21
1987-10-01  2025-12-21
2007-10-01  2025-12-21
2019-12-03  2025-12-21







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 4.5 12-21-2025   03:30 PST
Graph of Temperature, water, degrees Celsius

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Temperature, air, degrees Celsius
Most recent instantaneous value: 1.8 12-21-2025   03:30 PST
Graph of Temperature, air, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 89.2 12-21-2025   03:30 PST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 21 based on 63 water years of record more
Min
(2023)		 25th
percen-
tile		 Median 75th
percen-
tile		 Mean Most Recent
Instantaneous
Value Dec 21		 Max
(2020)
7.57 19 31 60 69 89.2 570

Gage height, feet
Most recent instantaneous value: 1.87 12-21-2025   03:30 PST
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 12-21-2025   03:30 PST
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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