PROVISIONAL DATA SUBJECT TO REVISION

Station funded by U.S. Geological Survey National Streamflow Information Program (NSIP).

STATION.--14301500 WILSON RIVER NEAR TILLAMOOK, OR

LOCATION.--Lat 45° 28'34", long 123° 43'26", in SE 1/4 SE 1/4 sec.13, T.1 S., R.9 W.,
Tillamook County, Hydrologic Unit 17100203, on right bank 1.3 mi downstream from Ming Creek, 
6.0 mi east of Tillamook, and at river mile 9.3. [location map]  
DRAINAGE AREA.--161 mi2. 
PERIOD OF RECORD.--October 1914 to September 1915, August to November 1916, July 1931 to 
current year. Prior to January 1915 monthly discharge only, published in WSP 1318. 
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 71.89 ft above NGVD of 1929. 
Dec. 18, 1914 to Nov. 4, 1916, nonrecording gage at site 0.65 mi downstream at different datum.
July 30, 1931 to Sept.30, 1938, nonrecording gage at site 0.08 mi upstream at datum 0.93 higher.
Oct. 1, 1938 to Oct. 17, 1968, water-stage recorder at site 0.1 mi upstream at same datum.Oct. 18, 1968
to Sept. 6, 1973 at site 2.19 mi upstream, at datum 29.76 ft higher. Sept. 7, 1973 to Sept. 30, 2003
at site 2.2 mi upstream, at datum 29.76 higher. 
REMARKS.--No regulation. Small diversions for domestic use upstream from station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 38,600 ft3/s Nov. 6, 2006, gage height, 
22.89 ft; maximum gage height, 20.26 ft Dec. 22, 1964 (site and datum then in use);  
minimum discharge, 32 ft3/s Sept. 5, 1973, but may have been less for short period 
following a landslide Jan. 31, 1965.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in February 1916 reached a stage of 20.8 ft, from 
floodmark, site and datum then in use.


NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.

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