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[!] During cold weather, stage and discharge values may be affected by ice at some streamgages. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. Display of discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data affected by ice can only be done after detailed analysis.




USGS 03049500 Allegheny River at Natrona, PA

PROVISIONAL DATA SUBJECT TO REVISION

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STATION.--03049500 ALLEGHENY RIVER AT NATRONA, PA
LOCATION.--Lat 40`36'55", long 79`43'07", Allegheny County, Hydrologic Unit 05010009, on right bank 520 ft upstream from dam at lock 4 at Natrona, 5.8 mi downstream from Kiskiminetas River, and at mile 24.3.
DRAINAGE AREA.--11,410 square miles.
PERIOD OF RECORD.--October 1938 to current year.
GAGE.--Water-stage recorder and concrete dam control. Datum of gage is 736.36 ft above National Geodetic Vertical Datum of 1929. (U.S. Army Corps of Engineers bench mark). Prior to Apr. 14, 1940, non-recording gage and Apr. 15, 1940 to Oct. 22, 1990, water-stage recorder at same site at datum 0.75 ft higher. Satellite telemetry at station.
COOPERATION.--Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the Pennsylvania Department of Environmental Protection, the U.S. Army Corps of Engineers, Pittsburgh District and the U.S. Geological Survey through the National Streamflow Information Program and the Cooperative Water Program.
REMARKS.--Sharp rises and drops in gage height displayed on graphs for some of the Allegheny River gages are caused by hydroelectric power producers passing relatively large amounts of streamflow.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Action stage-17.2 ft; Flood stage-21 ft; Moderate flood stage-24 ft; Major flood stage-26 ft.
This station managed by the PAWSC Pittsburgh Field Office.

Available Parameters Available Period
All 3 Available Parameters for this site
  
00065 Gage height 2014-11-06  2015-03-06
00060 Discharge 2007-10-01  2015-03-06
00045 Precipitation 2014-11-06  2015-03-06

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Summary of all available data for this site
Instantaneous-data availability statement


Gage height, feet

Most recent instantaneous value: 11.51   03-06-2015  03:15 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 12,200   03-06-2015  03:15 EST
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Daily discharge, cubic feet per second -- statistics for Mar 6 based on 76 years of record more
Min
(1968)
Most Recent
Instantaneous
Value Mar 6
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1964)
6040 12200 19700 29700 38400 54500 159000


Precipitation, total, inches

Most recent instantaneous value: 0.00   03-06-2015  03:15 EST
Graph of  Precipitation, total, inches

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