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USGS 14242580 TOUTLE RIVER AT TOWER ROAD NEAR SILVER LAKE, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.-- Latest shifted rating.

Flood Stage.--The National Weather Service Flood Stage for this station is 137 feet.

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

Station Notes
gage
Gage height datum conversion to the NAVD88 datum for this streamgage was made effective as of August 9, 2018. Instantaneous gage heights previous to that date will remain as originally reported. However, mean gage heights associated with all discharge measurements have been converted to be consistent with elevations based on the NAVD88 datum. The conversion factor used to adjust gage heights to NAVD88 from the previously used arbitrary datum is 116.98 ft. For example, prior to August 9, 2018 the gage height at a flow of 366 ft3/s had a gage height of 3.51 feet. After August 9, 2018 and at the same discharge, the gage height is 120.49 feet (3.51ft + 116.98 = 120.49 ft).

Boating safety tips

This station managed by the Western Washington Field Office (Tacoma).

Available Parameters Available Period
  
1992-10-01  2025-12-24
2023-01-31  2025-12-24
2023-05-15  2025-12-24







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 4470 12-24-2025   22:45 PST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 25 based on 43 water years of record more
Min
(1988)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Dec 25		 Max
(1997)
965 1570 2520 2690 3600 4470 7860

Gage height, feet
Most recent instantaneous value: 123.42 12-24-2025   22:45 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: 336 12-24-2025   22:45 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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