USGS Water-Year Summary 2020
01423000 WEST BRANCH DELAWARE RIVER AT WALTON, NY
LOCATION - Lat 42°09'58.0", long 75°08'24.1" referenced to North American Datum of 1983, Delaware County, NY, Hydrologic Unit 02040101, on left bank at west end of fairgrounds at Walton, and 100 ft downstream from West Brook.
DRAINAGE AREA - 332 mi².
- WDR NY-82-1: Drainage area.
PERIOD OF RECORD - October 1950 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,190.30 ft above NGVD of 1929 and 1,189.88 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 28,600 ft³/s, June 28, 2006, gage height, 16.85 ft, outside gage height was 17.10 ft, from crest-stage gage; minimum discharge, 12 ft³/s, Sept. 15, Nov. 22, 1964; minimum gage height, 1.86 ft, Nov. 22, 1964.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 2018 to current year.
INSTRUMENTATION - Water-temperature satellite telemeter provides 15-minute-interval readings.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 29.3°C, July 27, 2020, but may have been higher during period of instrument malfunction; minimum, -0.1°C on several days during 2020 winter period, but may have been lower during period of instrument malfunction.