Data prior to 1965 look suspect compared to the trend of later data.
Documentation added 1998-11-04
data for 1985 replaced with revised values received from authority the Portuguese Hydrographic Institute.
Documentation added 2019-08-01
The Hydrographic Institute has supplied the complete dataset. This has been loaded onto the database. Data up to February 1963 has been flagged due to a datum change. The station flag has been removed and the station reinstated.
Hydrographic Institute Rua das Trinas 49 1249-093 Lisboa