LOCATION.--Lat 46° 28'42", long 116° 15'27"
(NAD83), in SW1/4 SE1/4 NW1/4 sec.7, T.36 N., R.2 E., Clearwater
County, Orofino West quad., Hydrologic Unit 17060306, on right bank
56 ft upstream from State Highway 7 bridge at Orofino, and at mile
44.6.
DRAINAGE AREA.--5,507 mi², revised.
PERIOD OF RECORD.--October 1930 to September 1938, October 1964 to
current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is
990.80 ft above NGVD of 1929 (levels by Idaho Department of
Highways). Prior to Sept. 30, 1938, nonrecording gage at site 0.1 mi
downstream at different datum.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 87,300 ft³/s
June 2, 1972, gage height, 18.84 ft, present datum; minimum observed
discharge, probably less than 250 ft³/s Jan. 8, 1937, during period
of ice effect; minimum gage height, 1.69 ft, Dec. 9, 2009.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 8, 1964, reached
a stage of 20.32 ft, present site and datum, discharge, 99,700
ft³/s.
May 23, 2013 10:45 EDT: Update:
The outage of the GOES-13 East satellite that occurred on May 22, 2013 which has kept some USGS Water Data current condition data from being updated is only affecting a few sites presently.
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