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USGS 04235000 CANANDAIGUA OUTLET AT CHAPIN NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 42°55'05.6", long 77°13'58.0" referenced to North American Datum of 1983, Ontario County, NY, Hydrologic Unit 04140201, on right bank at Chapin, 25 ft upstream from bridge on State Highway 488, and 4.1 mi downstream from Canandaigua Lake.
DRAINAGE AREA.--195 mi².
PERIOD OF RECORD.--November 1939 to current year. Prior to October 1964, published as "Canandaigua Lake Outlet."
REVISIONS HISTORY.--WSP 2112: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 671.44 ft above NGVD of 1929 and 670.92 ft above NAVD of 1988. Prior to June 25, 1974, at site 0.1 mi upstream at datum 5.46 ft higher.
REMARKS.--Flow regulated by Canandaigua Lake (station 04234500), from which water is diverted for municipal supply by Villages of Newark, Palmyra, and Gorham. Monthly runoff adjusted for change in contents in Canandaigua Lake from October 1945 to September 1966.
Water Years 2014-17: Records good except those for estimated daily discharges, which are fair. Water Years 2018-19: Records fair except those for estimated daily discharges, which are poor. Water Year 2020: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,710 ft³/s, June 24, 1972, gage height, 5.62 ft, site and datum then in use; maximum gage height, 6.61 ft, Apr. 2, 1993; minimum discharge, 4.4 ft³/s, Sept. 24, 1991.
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> Rating Information
This station managed by the NY Water Science Center Ithaca.

Available Parameters Available Period
  
1990-10-29  2021-10-26
2007-10-01  2021-10-26







 (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: 1190 10-26-2021   20:30 EST
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Daily discharge, cubic feet per second -- statistics for Oct 26 based on 81 water years of record more
Min
(1970)
25th
percen-
tile
Median 75th
percen-
tile
Mean Max
(1977)
Most Recent
Instantaneous
Value Oct 26
7.00 33 41 57 82 534 1190


Gage height, feet

Most recent instantaneous value: 6.29 10-26-2021   20:30 EST
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