LOCATION.--Lat 41°26'19.5", long
74°49'08.9" referenced to North American Datum of
1983, 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.
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, 2013-23), -0.2 °C on several days during winter
period in 2008 and 2017 water years.
1 Water-Quality Records