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USGS 04265432 GRASS RIVER AT CHASE MILLS NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 44°50'48", long 75°04'41" referenced to North American Datum of 1983, St. Lawrence County, NY, Hydrologic Unit 04150304, on right bank 15 ft downstream from bridge on County Highway 36 at Chase Mills, and 21 mi upstream from mouth.
DRAINAGE AREA.--598 mi².
PERIOD OF RECORD.--October 2003 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 226.00 ft above NGVD of 1929 (revised) and 225.59 ft above NAVD of 1988.
REMARKS.--Water Years 2014-18: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 11,400 ft³/s, Apr. 16, 2014, gage height, 7.73 ft; maximum gage height, 10.08 ft, Mar. 10, 2005 (ice jam); minimum discharge, 50 ft³/s, Sept. 8, 9, 2007, gage height, 3.90 ft.

Peak Flow and Stage Information

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This station managed by the NY Water Science Center Troy.

Available Parameters Available Period
  
2003-10-01  2019-11-17
2007-10-01  2019-11-17







 (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: 1330 11-17-2019   09:00 EST
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Daily discharge, cubic feet per second -- statistics for Nov 17 based on 15 water years of record more
Min
(2015)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Nov 17
Mean 75th
percen-
tile
Max
(2006)
421 526 931 1330 1330 1610 3840


Gage height, feet

Most recent instantaneous value: 5.29 11-17-2019   09:00 EST
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