PROVISIONAL DATA SUBJECT TO REVISION

LOCATION.--Lat 43° 55'38", long 111° 36'50" (NAD83), in SW1/4 SW1/4 sec.15, 
   T.7 N., R.41 E., Fremont County, Hydrologic Unit 17040204, Newdale quad., 
   on right bank 0.5 mi upstream from railroad bridge, 4 mi southeast of 
   St. Anthony, and at mile 22.

DRAINAGE AREA.--890 mi2, approximately.

PERIOD OF RECORD.--January 1890 to September 1893, April 1903 to June 1909, 
   (irrigation seasons only 1920-21, 1923-33), April 1920 to May 1976 (destroyed 
   by flood of June 5, 1976), October 1977 to current year. Monthly discharge only 
   for some periods, published in WSP 1317. Published as "near Wilford" or 
   "at Chases Ranch" 1890-93.

REVISED RECORDS.--WSP 1217: Drainage area. WSP 1347: 1903-6, 1908-9. 
   WDR ID-80-1: 1979. WDR ID-97-1: 1993(M), 1996(M).

GAGE.--Water-stage recorder. Elevation of gage is 4,970 ft above NGVD of 1929, 
   from topographic map. Apr. 5, 1890 to Sept. 30, 1893, nonrecording gage at site 
   1 mi downstream at different datum. Apr. 23, 1903 to June 30, 1909, nonrecording 
   gage at site 0.8 mi upstream at different datum. Apr. 19, 1920 to May 1, 1921, 
   nonrecording gage, and May 2, 1921 to Nov. 5, 1933, water-stage recorder 
   at site 400 ft downstream at different datum. Nov. 6, 1933 to June 5, 1976, 
   water-stage recorder at approximately same site at different datum.

REMARKS.--Diversions above station for irrigation of about 58,000 acres 
   of which about 4,400 acres are irrigated by withdrawals from ground water 
   (1966 determination). Water is diverted at times (since 1939) during 
   irrigation season from Henrys Fork through Cross Cut Canal to Teton River 
   0.8 mi upstream from station.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, about 1,700,000 ft3/s, 
   estimated from the average of slope-area measurements of peak flow at Teton, 
   5.3 mi downstream, and near Newdale, 3.4 mi upstream, June 5, 1976 
   (Teton Dam failure); maximum stage, 42.2 ft. 

   Maximum discharge excluding 1976, 11,000 ft3/s Feb. 12, 1962, gage height, 9.36 ft, 
   on basis of contracted-opening measurement of peak flow, site and datum then in use. 
   Minimum discharge, 103 ft3/s Oct. 4, 1975, gage height, 2.38 ft, site and datum 
   then in use, due to filling of Teton Reservoir; 
   minimum, excluding the filling period of Teton Reservoir, 203 ft3/s Jan. 13, 1983.

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.

Realtime Gage Height data is provided by U.S. Bureau of Reclamation telemetry.