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USGS 13050500 HENRYS FORK AT ST ANTHONY ID

 

PROVISIONAL DATA SUBJECT TO REVISION

 
 
 
LOCATION.--Lat 43° 58'01", long 111° 40'21", in NW1/4 sec.6, 
T.7 N., R.41 E., Fremont County, Hydrologic Unit 17040203, 
on right bank 0.5 mi upstream from bridge on main street of St. Anthony, 
6.4 mi downstream from Falls River, and at mile 32.4.

DRAINAGE AREA.--1,770 mi2, approximately. Mean elevation, 6,670 ft.

PERIOD OF RECORD.--March 1919 to current year (irrigation seasons only 
prior to 1962).

REVISED RECORDS.--WSP 1217: Drainage area. WSP 1317: 1923(M).

GAGE.--Datum of gage is 4,950.7 ft above NGVD of 1929. March 1919 to 
May 7, 1922, nonrecording gages, and May 8, 1922, to Aug. 14, 1931, 
water-stage recorder, at site 150 ft downstream at datum 0.08 ft lower.

REMARKS.--Diversions above station for irrigation of about 21,000 acres 
below and about 58,000 acres above station of which about 1,100 acres are 
irrigated by withdrawals from ground water (1966 determination). Flow 
regulated by power plant about 17 mi above station, and by Henrys Lake 
(see sta 13039000), Island Park Reservoir, and Grassy Lake.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge recorded, 13,200 ft3/s 
May 16, 1984, gage height, 8.62 ft; minimum recorded, 21 ft3/s July 9, 1973, 
gage height, 1.91 ft.

Station operated in cooperation with Water District No.1.


 
 

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Gage height, feet
Most recent value: 3.67   11-19-2004  10:45
Graph of
Download a presentation-quality graph Parameter Code 00065; DD 03

Discharge, cubic feet per second
Most recent value: 1,480   11-19-2004  10:45
Graph of
Download a presentation-quality graph Parameter Code 00060; DD 04
Daily mean flow statistics for 11/19 based on 48 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
1,480  730 1,555 2,580 1,178 1,465 2,046

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 16:31:58 EST
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