During winter months, cold and ice may
result in inaccurate real-time precipitation data. Adjustments or
deletions of this data can only be done after detailed
Funding for this site is provided by:
Lat 40°56'58", long 74°33'26"
referenced to North American Datum of 1983, Rockaway Township, Morris
County, NJ, Hydrologic Unit 02030103, on left bank 100 ft upstream from
bridge on Whitmore Avenue at Picatinny Arsenal, 200 ft downstream from
dam on Picatinny Lake, and 4.4 mi north of Dover.
Stream gage data is available from this location at this
The 15-minute precipitation 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.