1969-77(Aug) Data  from readings of tide pole
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Khalkis North       290/034 RLR(1982) is 8.7m below BM R98
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993
Khalkis North       290/034 RLR(1982) is 8.7m below BM R98
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Mar-1997
The contributing authority advises that anomalous values
are the result of met. influences

