PROVISIONAL DATA SUBJECT TO REVISION

LOCATION.--Lat 43° 46'55", long 111° 12'33" (NAD83), in NW1/4 NW1/4 NE1/4 sec.12 
   T.5 N., R.44 E., Teton County, Hydrologic Unit 17040204, Tetonia quad., 
   on right bank 75 ft upstream from county road bridge, 3.5 mi southwest 
   of Tetonia, 6.5 mi northwest of Driggs, and at mile 56.3.

DRAINAGE AREA.--335 mi2, approximately.

PERIOD OF RECORD.--October 1961 to current year.

GAGE.--Water-stage recorder. Datum of gage is 5,952.9 ft above NGVD of 1929.

REMARKS.--Diversions above station for irrigation of about 42,000 acres, 
   of which about 1,000 acres are irrigated by withdrawals from ground water 
   (1966 determination).

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,980 ft3/s June, 11, 1997, 
   gage height, 5.14 ft; maximum gage height, 6.37 ft, Feb. 1, 1963, backwater 
   from ice; minimum, 54 ft3/s Nov. 23, 1977, gage height,  0.60 ft.

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 Water District No.1.