=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Leixoes             210/012 RLR(1984) is 11.1m below TGBM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Mar-1993
Data prior to 1965 look suspect compared to the trend of later data.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 04-Nov-1998
data for 1985 replaced with revised values received from authority the Portuguese Hydrographic Institute. 
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 01-Aug-2019
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.