Daily reference evapotranspiration (ETo) is now available for St. Thomas (USVI) at the following link: Northern Caribbean ETo. The link also includes ETo data for Puerto Rico, St. Croix (USVI), Hispaniola and Jamaica.
Yesterday’s Reference Evapotranspiration
St. Thomas, USVI
The following links will provide guidance on scheduling irrigation using the ETo map data.
Harmsen E.W., 2012. TECHNICAL NOTE: A Simple Web-Based Method for Scheduling Irrigation in Puerto Rico. J. Agric. Univ. P.R. 96 (3-4) 2012.