USGS 04214231 S BR EIGHTEENMILE CR AT BLEY RD AT EDEN VALLEY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 42°40'49.0", long 78°52'43.3" referenced to North American Datum of 1983, Erie County, NY, Hydrologic Unit 04120103, in the village of Hamburg, about 7.1 mi upstream of Lake Erie. 
DRAINAGE AREA.--36.6 mi².  
PERIOD OF RECORD.--September 2017 to current year.
REVISIONS HISTORY.--Discharge above about 1,400 ft³/s for the period of Sept. 19, 2017, to Mar. 1, 2021, was revised on Feb. 14, 2022, based on changes to the stage-discharge rating.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 734.14 ft above NAVD of 1988. 
REMARKS.--Water Years 2017-21: Records good except those for estimated daily discharges, which are poor. 
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 4,280 ft³/s, Nov. 5, 2017, gage height 10.50 ft, from rating curve extended above 1,400 ft³/s on basis of slope-area measurement at gage height 8.46 ft; minimum discharge, 0.85 ft³/s, Aug. 6, 7, 2018, gage height 2.93 ft. 
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> Rating Information
This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
  
2017-09-19  2022-12-05
2017-09-19  2022-12-05







 (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: 102 12-05-2022   20:00 EST
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Daily discharge, cubic feet per second -- statistics for Dec 5 based on 5 water years of record more
Min
(2022)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Dec 5
75th
percen-
tile
Max
(2021)
32.8 40 66 83 102 136 145


Gage height, feet

Most recent instantaneous value: 3.86 12-05-2022   20:00 EST
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