PROVISIONAL DATA SUBJECT TO REVISION
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LOCATION.--Lat 43°15'35.3", long
76°00'10.0" referenced to North American Datum of
1983, Oswego County, NY, Hydrologic Unit 04140202, on right
bank 8 ft upstream from Cemetery Road, 0.8 mi north of
Constantia and 1.1 mi upstream from mouth.
DRAINAGE AREA.--39.8 mi².
PERIOD OF RECORD.--March 1966 to September 1968. Water years 1969, 1971-98, 2000-14 (annual maximum only). October 2014 to current year.
REVISIONS HISTORY.--WDR NY-79-1: 1974 (date of peak). WDR NY-81-3: 1973-80 (M). Gage height and discharge for the period Feb. 12, 2018 to June 19, 2018 were revised on May 13, 2019, based on changes to the gage height data source.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 401.49 ft above NAVD of 1988.
Water Years 2015-21: Records fair except those for estimated daily discharges, which are poor. Water Years 2022-23: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,120 ft³/s, Aug. 8, 2023, gage height, 8.76 ft, from graph based on gage readings; maximum gage height, 9.03 ft, from floodmark, Aug. 8, 2023 (backwater from uprooted tree); minimum discharge, 3.9 ft³/s, Aug. 9, 2016, gage height, 1.28 ft.
DRAINAGE AREA.--39.8 mi².
PERIOD OF RECORD.--March 1966 to September 1968. Water years 1969, 1971-98, 2000-14 (annual maximum only). October 2014 to current year.
REVISIONS HISTORY.--WDR NY-79-1: 1974 (date of peak). WDR NY-81-3: 1973-80 (M). Gage height and discharge for the period Feb. 12, 2018 to June 19, 2018 were revised on May 13, 2019, based on changes to the gage height data source.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 401.49 ft above NAVD of 1988.
Water Years 2015-21: Records fair except those for estimated daily discharges, which are poor. Water Years 2022-23: Records good except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,120 ft³/s, Aug. 8, 2023, gage height, 8.76 ft, from graph based on gage readings; maximum gage height, 9.03 ft, from floodmark, Aug. 8, 2023 (backwater from uprooted tree); minimum discharge, 3.9 ft³/s, Aug. 9, 2016, gage height, 1.28 ft.
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