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USGS 12027500 CHEHALIS RIVER NEAR GRAND MOUND, WA

PROVISIONAL DATA SUBJECT TO REVISION

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Additional Data and Information.--Station data inventory, annual data report, and latest shifted rating.

Flood Stage.--The National Weather Service Flood Stage for this station is 14.0 feet. Thurston County has Flood Information for this gage.

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

Station Notes
gage
Gage height datum conversion to NAVD88 in progress, scheduled to be completed early May 2018. During the conversion process, gage heights associated with discharge measurements prior to 2016 will be affected and may appear different from previously reported gage heights. Final reported gage heights will be equivalent to elevations at NAVD88 datum and ratings will be updated to reflect actual datum.


Boating safety tips

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

Available Parameters Available Period
All 2 Available Parameters for this site
  
00060 Discharge 1987-10-01  2018-02-25
00065 Gage height 2007-10-01  2018-02-25

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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: 3330 02-25-2018   16:00 PST
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Daily discharge, cubic feet per second -- statistics for Feb 25 based on 89 years of record more
Min
(1993)
25th
percen-
tile
Most Recent
Instantaneous
Value Feb 25
Median Mean 75th
percen-
tile
Max
(1999)
780 2400 3330 3730 5530 6830 31300


Gage height, feet

Most recent instantaneous value: 6.38 02-25-2018   16:00 PST
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