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USGS 01357500 MOHAWK RIVER AT COHOES NY

 

PROVISIONAL DATA SUBJECT TO REVISION

 
 
  LOCATION.--Lat 42°47'07", long 73°42'29", Albany County, Hydrologic Unit 02020004, on right bank at Orion Power New York School Street powerplant in Cohoes, and 2.0 mi upstream from mouth. Water-quality sampling site at bridge on State Highway 32, 0.75 mi below gage.
DRAINAGE AREA.--3,450 mi2.
PERIOD OF RECORD.--December 1917 to current year. Prior to July 17, 1925, published as "at Crescent Dam".
REVISED RECORDS.--WSP 1302: 1919-23 (M). WDR NY-90-1: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 49.13 ft above sea level. Dec. 1, 1917, to July 16, 1925, water-stage recorder at site 1.7 mi upstream at Crescent Dam at datum 130.87 ft higher. July 17 to Oct. 19, 1925, powerplant gage at present site.
REMARKS.--Records fair except those for estimated daily discharges, which are poor. Total flow of Mohawk River equals flow published at Cohoes which includes small diversion for Cohoes water supply, plus flow diverted at Cresent Dam to Barge Canal through Lock 6 (see 01357499 Diversion from Mohawk River at Crescent Dam). Prior to 1926 records published as total flow. See Diversions in Hudson River Basin for regulation and diversions upstream from this station. Telephone gage-height telemeter at station.
COOPERATION.--Diversions through Barge Canal at Lock 6 provided by New York State Department of Transportation.

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Gage height, feet
Most recent value: 9.77   11-19-2004  17:45
Graph of  Gage height, feet
Download a presentation-quality graph Parameter Code 00065; DD 01

Discharge, cubic feet per second
Most recent value: 3,090   11-19-2004  17:45
Graph of  Discharge, cubic feet per second
Download a presentation-quality graph Parameter Code 00060; DD 03
Daily mean flow statistics for 11/19 based on 85 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
3,090  1,180 5,585 23,000 2,466 3,800 8,716

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 20:36:06 EST
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