Figure 3. The hourly water level (black) and water temperature (grey) of the Maguayo 2 observation well in Dorado, Puerto Rico from 1 January 2005 to 31 March 2006. This is an example of a station with no correlation between depth-to-water and water temperature. Data courtesy of the USGS

From

Analysis of Groundwater in Puerto Rico

Méndez Tejeda Rafael, Richards Ronald T., Emiliano Anastacio

American Journal of Water Resources. 2016, 4(3), 68-76 doi:10.12691/ajwr-4-3-3