[EN] It has been found that the annual variation of temperature taking measurements every fortnight, gives an asserrate form. Using measures of temperatures taken daily during six years, it has been found that after the new moon there is a fall of temperature which does not depend on tide amplitude. The highest fortnight difference of temperature between the new moon and full moon occurs in summers, on the third day and in winter, on the tenth day

[ES] En los últimos años, con objeto de tener una mayor uniformidad en las variciones anuales de las muestras de agua, tomadas en la Ría de Vigo para estudios oceanográficos, se vienen recogiendo estas muestras siempre a lamisma hora y en el mismo estado de marea; esto sucede quincenalmente de acuerdo con las fases lunares. [...]

6 pages, 4 figures

Peer reviewed