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Water-Year Summary for Site 01422500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
01422500 LITTLE DELAWARE RIVER NEAR DELHI, NY
LOCATION - Lat 42°15'08", long 74°54'06" referenced to North American Datum of 1983, Delaware County, NY, Hydrologic Unit 02040101, on left bank 10 ft downstream from bridge on Thomson Cross Road, 0.7 mi downstream from Toll Gate Brook, 1.5 mi upstream from mouth, and 2.0 mi south of Delhi.
DRAINAGE AREA - 49.8 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1937 to September 1970, annual maximum only--1971-74, 1996, maximum only--October to December 1996, January 1997 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,385.35 ft above NGVD of 1929 and 1,384.77 ft above NAVD of 1988. Since January 1997, gage-height record collected at upstream side of bridge, but gage house still downstream from bridge. Prior to Dec. 7, 1939, nonrecording gages at several temporary sites within a quarter of a mile of present site at various datums.
REMARKS - Water Years 2014-20: Records fair except those for estimated daily discharges, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, about 6,100 ft³/s, Jan. 19, 1996, gage height, 8.51 ft, from floodmark, from rating curve extended above 2,200 ft³/s; maximum gage height since January 1997, 8.55 ft, Jan. 1, 2001 (ice jam); minimum discharge, 0.8 ft³/s, Aug. 10, 11, 12, Sept. 24, 25, 1964; minimum gage height, 1.29 ft, Sept. 24, 25, 1964.