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USGS 03049500 Allegheny River at Natrona, PA

PROVISIONAL DATA SUBJECT TO REVISION

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ATTENTION!!! Please be aware that the sharp rises and drops in the graphs displayed for some of the Allegheny River gages are being caused by hydroelectric power producers passing relatively large amounts of streamflow.

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 mi2, approximately.
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, nonrecording gage and Apr. 15, 1940 to Oct. 22, 1990, water-stage recorder at same site at datum 0.75 ft higher.
REMARKS.--U.S. Army Corps of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 18, 1936 reached a stage of 32.06 ft, discharge, 365,000 ft3/s, determined by U.S. Army Corps of Engineers.
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.
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.
This station managed by the PAWSC Pittsburgh Field Office.

Available Parameters Available Period
All 3 Available Parameters for this site
  
00065 Gage height 2014-03-24  2014-07-22
00060 Discharge 2007-10-01  2014-07-22
00045 Precipitation 2014-03-24  2014-07-22

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Gage height, feet

Most recent instantaneous value: 11.30   07-22-2014  13:15 EDT
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Discharge, cubic feet per second

Most recent instantaneous value: 10,500   07-22-2014  13:15 EDT
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Daily discharge, cubic feet per second -- statistics for Jul 22 based on 75 years of record more
Min
(1966)
25th
percen-
tile
Median 75th
percen-
tile
Mean Most Recent
Instantaneous
Value Jul 22
Max
(1942)
1420 3720 5510 8800 9600 10500 53300


Precipitation, total, inches

Most recent instantaneous value: 0.00   07-22-2014  13:15 EDT
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Title: USGS Current Conditions for Pennsylvania
URL: http://waterdata.usgs.gov/pa/nwis/uv?

Page Contact Information: Pennsylvania Water Data Support Team
Page Last Modified: 2014-07-22 13:25:30 EDT
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