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During cold weather, stage and discharge values may be affected by ice at some streamgages. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. Display of discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data affected by ice can only be done after detailed analysis.
National Weather Service flood stage for this gage is 21.0 ft.
Forecasts for this gage are issued by the National
Weather Service routinely year-round.
The air temperature data for this station are temporary and will only be displayed for 120 days. Although the instrumentation is calibrated at least once/year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.
LOCATION.--Lat 41°00'48", long 75°05'10" referenced to North American Datum of 1983, Hardwick Township, Warren County, NJ, Hydrologic Unit 02040104, on left bank 700 ft streamward from River Road, 1.0 mi downstream from Tocks Island, 3.7 mi northeast of Delaware Water Gap, PA, and 4.0 mi upstream from bridge on Interstate Route 80.
DRAINAGE AREA.--3,850 mi2.
PERIOD OF RECORD.--Annual maximum, water years 1955, 2002 to current year. Continuous-record gaging station, water years 1964-96.
GAGE.--Water-stage recorder. Datum of gage is 293.64 ft above NGVD of 1929, and was determined to be approximately 293.07 ft above NAVD of 1988 through the use of Vertcon.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 260,000 ft3/s, Aug 19, 1955, gage height, 37.4 ft (from high-water mark).
COOPERATION.--This gage is funded by USGS National Streamflow Information Program. ( Link to USGS NSIP website )