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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Unit Values 2014-06-20 2024-11-28
n/a USGS Annual Water Data Reports Site 2014-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 391328077185901 is associated with an Atmosphere in Montgomery County, Maryland. Current conditions of Precipitation are available. Water data back to 2014 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
391328077185901 n/a
Site name
TENMILE CREEK PRECIPITATION GAGE AT SLIDELL, MD n/a
Site type
Atmosphere
AT
DMS latitude 391327.7 n/a
DMS longitude 0771858.9 n/a
Decimal latitude 39.2243611 n/a
Decimal longitude -77.3163611 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .1 sec (Differentially-Corrected GPS). 1
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
Maryland 24
County
Montgomery County 031
Country US n/a
Land net location description n/a
Name of location map GERMANTOWN, MD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 552 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy 1.6 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Middle Potomac-Catoctin 02070008
Drainage basin
n/a
Topographic setting
Flood plain
G
Flags for instruments at site YNNNYNNNNNNNYNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20140521 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation EST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number 00170 n/a

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