USGS Real-Time Water Data for USGS 14243000 COWLITZ RIVER AT CASTLE ROCK, WA

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Incident Report: On Sunday May 10, 2009 from approximately 4:00-6:00 PM ET, there was an unplanned power outage that occurred. This affected availability of real time data maps and historical data. Real-time data remained available at http://waterdata.usgs.gov/nwis

USGS 14243000 COWLITZ RIVER AT CASTLE ROCK, WA

PROVISIONAL DATA SUBJECT TO REVISION

Location.--Latitude 46°16'30", Longitude 122°54'48", in SW 1/4 SE 1/4 Section 10, Township 19 North, Range 2 West, in Cowlitz County, Hydrologic Unit 17080005, on left bank 40 feet downstream from Arkansas Valley Road bridge in Castle Rock, 2.7 miles downstream from Toutle River, and at river mile 17.3. Drainage area is 2,238 mi². Datum of gage is NAVD of 1988. For information on previous datum and previous drainage area, refer to the annual data report (PDF).

Maps.--Locate this station on a map of the basin (PDF), or on a map of Mount St. Helens.

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 48.0 feet.

Cooperation.--Funds for the operation of the gage and telemetry equipment, and production of the data are provided by City of Tacoma, Tacoma Public Utilities and USGS NSIP.

Station Notes

The stage data is reported to NAVD of 1988. Please use the first set of stage-discharge graphs unless noted here.

This station managed by the Vancouver Office.

	Available Parameters
	All 5 Available Parameters for this site
	00065 Gage height
	00060 Discharge
	00060 Discharge (TELEPHONE TELEMETRY)
	00065 Gage height (TELEPHONE TELEMETRY)
	63680 Turbidity, Form Neph

Output format
Graph
Graph w/ stats
Graph w/o stats
Table
Tab-separated

Days

(1-60)

Summary of all available data for this site

Gage height, feet

Most recent instantaneous value: 35.08 05-11-2009 17:00

Create presentation-quality graph	Parameter 00065; DD 01

Discharge, cubic feet per second

Most recent instantaneous value: 10,400 05-11-2009 17:00

Create presentation-quality graph	Parameter 00060; DD 17

**Daily discharge statistics, in cfs, for May 11 based on 66 years of record more**
Min (1968)	20th percen- tile	Median	Mean	Most Recent Instantaneous Value	80th percen- tile	Max (1949)
3480	6840	9620	10200	10,400	13900	25200

Discharge, TELEPHONE TELEMETRY, cubic feet per second

Most recent instantaneous value: 10,300 05-11-2009 18:00

Create presentation-quality graph	Parameter 00060; DD 20

Gage height, TELEPHONE TELEMETRY, feet

Most recent instantaneous value: 35.05 05-11-2009 18:00

Create presentation-quality graph	Parameter 00065; DD 21

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: 66 05-11-2009 18:00

Create presentation-quality graph	Parameter 63680; DD 22

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U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Real-Time Water Data for Washington
URL: http://waterdata.usgs.gov/wa/nwis/uv?

Page Contact Information: Washington NWISWeb Maintainer
Page Last Modified: 2009-05-11 21:48:48 EDT
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