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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 1988-10-01 2024-11-21
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 131729144393766 is associated with an Atmosphere in Guam, Guam. Current conditions of Precipitation are available. Water data back to 1988 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
131729144393766 n/a
Site name
Umatac Rain Gage at Umatac, Guam n/a
Site type
Atmosphere
AT
DMS latitude 131730.4 n/a
DMS longitude -1443943.9 n/a
Decimal latitude 13.29177778 n/a
Decimal longitude 144.6621944 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - .5 sec (PLGR/PPS GPS). 5
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Hawaii 15
State
Guam 66
County
Guam 010
Country US n/a
Land net location description n/a
Name of location map Merizo n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 180 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 10 feet n/a
Altitude datum
Local Mean Sea Level LMSL
Subbasin hydrologic unit
22010000
Drainage basin
n/a
Topographic setting
Hilltop
H
Flags for instruments at site YNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19900330 n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation GST n/a
Site honors Daylight Saving Time
N n/a
Data reliability
n/a
Data-other GW files NNNNNNNN 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 n/a

Operated in cooperation with:

logo for University of Guam - Water and Environmental Research Institute
University of Guam - Water and Environmental Research Institute
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds