LOCATION.--Lat 41°26'20", long 74°49'11" referenced to North American Datum of 1927, Pike County, PA, Hydrologic Unit 02040104, at interstate bridge at Pond Eddy, 450 ft downstream from Mill Brook, and 4.5 mi upstream from Mongaup River.
DRAINAGE AREA.--2,820 mi².
PERIOD OF DAILY RECORD¹.--WATER TEMPERATURE: October 1973 to current year.
INSTRUMENTATION¹.--Water-temperature recorder provides 15-minute-interval readings. Prior to August 1994, water-temperature recorder provided one-hour-interval readings.
REMARKS¹.--Temperature readings prior to Oct. 1, 2007, rounded to the nearest 0.5 °C. Interruption of record was due to malfunction of recording instrument.
EXTREMES FOR PERIOD OF DAILY RECORD¹.--WATER TEMPERATURE: Prior to Oct. 1, 2007--Maximum (water years 1976, 1978, 1980-81, 1983-84, 1986, 1989-90, 1992-2007), 31.5 °C, July 5, 1999; minimum (water years 1974, 1977-78, 1980, 1983-2007), 0.0 °C on many days during winter periods, except 1978, 1980, 1985. WATER TEMPERATURE: After Oct. 1, 2007--Maximum, 30.1 °C, July 7, 2010; minimum (water years 2008, 2010-11, 2013-19), -0.2 °C on several days during winter period in 2008 and 2017 water years.
¹ Water-Quality Records

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