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USGS 12117500 CEDAR RIVER NEAR LANDSBURG, 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 5.7 feet. King County has Flood Phase Information for this gage.

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

Station Notes
This is one of the two oldest continuously operating gages in Washington State and the oldest in Western Washington, with data from August 1895 to current year.
water level
Flood Phase -
Flow (cfs) -
Phase 2
2,800 cfs
Phase 3
4,200 cfs
Phase 4
5,000 cfs

Boating safety tips

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

Available Parameters Available Period
  
2018-09-04  2025-10-20
1987-10-01  2025-10-20
2007-10-01  2025-10-20
2021-12-17  2025-10-20







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 10.9 10-20-2025   02:15 PDT
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 422 10-20-2025   02:15 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Oct 20 based on 127 water years of record more
Min
(1897)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Oct 20		 75th
percen-
tile		 Max
(2017)
139 292 395 412 422 504 1000

Gage height, feet
Most recent instantaneous value: 1.49 10-20-2025   02:15 PDT
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), [NEP5K Turbidity Sensor]
Most recent instantaneous value: 3.0 10-20-2025   02:30 PDT
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [NEP5K Turbidity Sensor]

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