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USGS 13060000 SNAKE RIVER NR SHELLEY ID

 

PROVISIONAL DATA SUBJECT TO REVISION

 
 
 
LOCATION.--Lat 43° 24'48", long 112° 08'03", in SE1/4 SW1/4 sec.17, 
T.1 N., R.37 E., Bingham County, Hydrologic Unit 17040201, on right bank 
0.3 mi southeast of Woodville, 2.5 mi north of Shelley, and at mile 787.8.

DRAINAGE AREA.--9,790 mi2, approximately, excluding indeterminate nontributary 
area on Snake River Plain.

PERIOD OF RECORD.--March 1915 to current year (prior to October 1931, 
irrigation seasons only).

REVISED RECORDS.--WSP 1317: 1916.

GAGE.--Datum of gage is 4,599.0 ft above NGVD of 1929.

REMARKS.--Some regulation by Jackson Lake, Palisades Reservoir, Henrys Lake
(sta 13039000), Island Park Reservoir, and Grassy Lake. Initial filling of 
forebay pool at Gem Power plant 2 mi upstream, occurred during March and 
April of 1988. Diversions above station for irrigation of about 39,000 acres 
below and about 637,000 acres above station, of which about 100,000 acres are 
irrigated by withdrawals from ground water (1966 determination). Considerable 
water leaks above station into Snake River Plain aquifer.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 67,300 ft3/s June 6, 1976, 
gage height, 19.12 ft, result of Teton Dam failure.  
Maximum discharge excluding 1976, 47,800 ft3/s June 17, 1997, gage height, 
16.05 ft; maximum gage height, 16.97 ft, June 17, 1918; 
minimum, 288 ft3/s Nov. 5, 1934, gage height, 2.22 ft.

EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 6, 1894, reached an 
estimated discharge of 75,000 ft3/s at former station (13059000) at 
Eagle Rock (now Idaho Falls), 7 mi upstream from present site.

Station operated in cooperation with Water District No.1.


 
 

(1-31)
 


Gage height, feet
Most recent value: 5.58   11-19-2004  14:15
Graph of
Download a presentation-quality graph Parameter Code 00065; DD 03

Discharge, cubic feet per second
Most recent value: 2,630   11-19-2004  14:15
Graph of
Download a presentation-quality graph Parameter Code 00060; DD 04
Daily mean flow statistics for 11/19 based on 76 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
2,630  865 3,492 8,090 2,480 3,365 4,400

Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 11/19 have been greater than the value shown.


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Retrieved on 2004-11-19 18:33:32 EST
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