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USGS Groundwater Historical Instantaneous Data for Puerto Rico: Build Time Series

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Select sites which meet all of the following criteria:
Define one or more values for each of the following site-selection criteria: --- or select new criteria
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 County
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 Available parameters -- select sites that have data for the following parameters:
Select one or more parameters --or-- leave blank to select all:
Water Level/Flow Parameters
  Streamflow, ft³/s   (167 sites)
  Gage height, ft   (120 sites)
  Lake or reservoir water surface elevation above NGVD 1929, ft   (2 sites)
  Lake or reservoir water surface elevation above NGVD 1929, m   (2 sites)
  Depth to water level, ft below land surface   (44 sites)
  Stream water level elevation, above Puerto Rico Datum of 2002, ft   (2 sites)
  Lake or reservoir elevation above local mean sea level (LMSL), ft   (26 sites)
  Lake or reservoir elevation above local mean sea level (LMSL), m   (26 sites)
  Lake or reservoir elevation, above Puerto Rico Datum of 2002, ft   (28 sites)
  Lake or reservoir elevation, above Puerto Rico Datum of 2002, m   (27 sites)
Water Quality Parameters
  Temperature, water, °C   (4 sites)
  Specific conductance, water, unfiltered, µS/cm at 25 °C   (4 sites)
  Dissolved oxygen, water, unfiltered, mg/L   (4 sites)
  pH, water, unfiltered, field, standard units   (4 sites)
  Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +/-2.5 degrees, FNU   (2 sites)
Meteorological Parameters
  Precipitation, total, in   (90 sites)
Physical Properties Parameters
  Gate opening, height, ft   (1 sites)
 
Choose Output Format
Display Summary of Selected Sites
Choose one of the following options for displaying descriptions of the sites meeting the criteria above:
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Show sites on a mapNew
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Table of sites
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Scroll list of sites -- allows selection of data for multiple sites
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Brief descriptions -- allows selection of data for multiple sites
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        (Select fields to include in site-description output)
       
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Save file of selected sites to local disk for future upload

Retrieve USGS Groundwater Historical Instantaneous Data for Selected Sites
Choose one of the following options for displaying data for the sites meeting the criteria above
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Retrieve data for:
the previous days (1 - 120) **OR**             (Instantaneous-data availability statement)
for the date range:   (1950-10-01 through 2025-12-09)

Output Options:
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Graphs of data   --  
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Graphs of data with long-term statistics   --  
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Table of data
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Tab-separated data *

 * Save compressed files with a .gz file extension.