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USGS 03029000 Clarion River at Ridgway, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Funding for this site is provided by:

 


STATION.--03029000 CLARION RIVER AT RIDGWAY, PA
LOCATION.--Lat 41`25'15", long 78`44'10", Elk County, Hydrologic Unit 05010005, at bridge on State Highway 948 in Ridgway, 300 ft below the mouth of Elk Creek.
DRAINAGE AREA.--303 square miles.
PERIOD OF RECORD.--1940 to 1953, 1954 to 1993 (measurements only). 1994 to September 2017 (annual peaks only). October 2017 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 1354.5 ft above North American Vertical Datum of 1988. Prior to Oct 12, 1962, at site 200 ft upstream, at datum 6.74 ft higher. Prior to April 5, 2023, the datum of gage was reported as 1354.88 ft above National Geodetic Vertical Datum of 1929 (from benchmark). Also, prior to March 30, 2011 and April 5, 2023, the datum of gage was erroneously reported as 1361.62 ft above National Geodetic Vertical Datum of 1929. Satellite and landline telemetry at station.
COOPERATION.--Funding for the operation of this station is provided by Brookfield Power.
REMARKS.--Flow regulated since June 1952 by East Branch Clarion River Lake and at low flow by industrial plant above station. Daily discharge not available prior to Oct 1, 2017.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Action stage-11 ft; Flood stage-16 ft; Moderate flood stage-18 ft; Major flood stage-20 ft.
This station managed by the PAWSC Williamsport Field Office.

Available Parameters Available Period
  
2017-10-01  2024-07-21
2017-10-01  2024-07-21
2022-01-01  2024-07-21







 (7)
 

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


Discharge, cubic feet per second

Most recent instantaneous value: 277 07-21-2024   18:30 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 21 based on 6 water years of record more
Min
(2018)
25th
percen-
tile
Most Recent
Instantaneous
Value Jul 21
Median Mean 75th
percen-
tile
Max
(2021)
217 261 277 369 417 595 713


Gage height, feet

Most recent instantaneous value: 3.35 07-21-2024   18:30 EDT
Graph of  Gage height, feet

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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 1357.85 07-21-2024   18:30 EDT
Graph of  Stream water level elevation above NAVD 1988, in feet

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