| Variable | Type | Time | Periodicity | Unit | Spatial resolution | Source | Availability |
| SST | Oceanographic | 1981-2015 | Monthly | ˚C | Sampling points | Avhrrsst y Modis | Cabarcas (2017) (Personal request) |
| SSS | Oceanographic | 1950-2015 | Monthly | () | Sampling points | Hadley-EN4 | COPEPODITE (https://www.st.nmfs.noaa.gov/copepodite/) |
| SSC | Oceanographic | 1998-2016 | Monthly | mg/m3 | Sampling points | OCCCI-v3.1 | COPEPODITE (https://www.st.nmfs.noaa.gov/copepodite/) |
| SOI | Climatic | 1951-2016 | Monthly | () | Sampling points | NOAA | NOAA (https://www.ncdc.noaa.gov/teleconnections/enso/indicators/soi/) |