PROVISIONAL DATA SUBJECT TO REVISION

LOCATION.--Lat 45° 24'47", long 116° 19'31" (NAD83), in SE1/4 SW1/4 sec.15, 
   T.24 N., R.1 E., Idaho County, Hydrologic Unit 17060210, Riggins quad., 
   on right bank 14 ft upstream from road bridge, at mile 0.5, and 0.8 mi 
   southwest of Riggins.

DRAINAGE AREA.--576 mi2. Mean elevation, 5,430 ft.

PERIOD OF RECORD.--February 1951 to February 1955, September 1956 to current year.

GAGE.--Water-stage recorder. Elevation of gage is 1,760 ft above NGVD of 1929, 
   from topographic map. Prior to Sept. 28, 1984, at site 250 ft upstream at 
   different datum.

REMARKS.--Diversions above station for irrigation of about 15,300 acres, 
   (1966 determination).

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 12,600 ft3/s June 17, 1974, 
   gage height, 11.05 ft, from floodmark; maximum gage height, 12.39 ft, 
   June 13, 1953, site and datum then in use;  
   minimum, 54 ft3/s Dec. 21, 1990, gage height, 2.71 ft.

EXTREMES OUTSIDE PERIOD OF RECORD.--Flood about June 1, 1948, reached a 
   discharge of 9,200 ft3/s, by slope-area measurement.

Current shift-adjusted rating in tab-separated format.
These are updated daily and can change often! If you use these ratings it is important that you update often so that you have the most current version.
What is a shift-adjusted rating?

River forecasts and additional data are available at the National Weather Service Advanced Hydrologic Prediction Services web page.

Station operated in cooperation with Idaho Department of Water Resources.

Realtime data relay provided by National Weather Service.