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

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

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.--Station data inventory, information, annual data report, and 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:

Mount St. Helens Monitoring Network at the Cascades Volcano Observatory

US Army Corps of Engineers

Station Notes

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 Cascades Volcano Observatory (Vancouver).

Available Parameters	Available Period
All 3 Available Parameters for this site
00060 Discharge	1992-10-01	2018-09-23
00065 Gage height	2007-10-01	2018-09-23
63680 Turbidity, Form Neph	2010-04-01	2018-09-23

Days (7)

-- or --
Begin date

End date

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

Discharge, cubic feet per second

Most recent instantaneous value: 361 09-23-2018 20:15 PDT

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**Daily discharge, cubic feet per second -- statistics for Sep 23 based on 37 years of record more**
Min (1989)	25th percen- tile	Most Recent Instantaneous Value Sep 23	Median	Mean	75th percen- tile	Max (2004)
248	323	361	388	461	495	1320

Gage height, feet

Most recent instantaneous value: 120.48 09-23-2018 20:15 PDT

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