PROVISIONAL DATA SUBJECT TO REVISION
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Site Information
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
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
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