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USGS 12021800 CHEHALIS RIVER NEAR ADNA, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Flood Stage.--The National Weather Service has not established a Flood Stage for this station. Lewis County has Flood Phase information for this gage.

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Station Notes
gage
Gage height datum conversion to the NAVD88 datum for this streamgage was completed on May 8, 2018. All reported gage heights and those associated with discharge measurements and stage-discharge ratings have been converted and are consistent with elevations based on the NAVD88 datum. A conversion factor of 3.40 ft was used to convert the old gage heights to the currently reported instantaneous gage height, discharge measurement gage heights, and stage-discharge rating points.



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

Available Parameters Available Period
  







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