Fig. 3

Absolute SST off the southern coast of Mallorca 1982–2018. Number of days with Reynolds SST off the southern coast of Mallorca exceeding 18 °C (black), 20 °C (blue, thin), 22 °C (blue), 24 °C (cyan) and 26 °C (red). The symbols denote the number of days per year, whereas the broken line shows the respective trend from 1982 to end 2018. For Methods see Additional file 1