=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Russaro             060/316 RLR(1936) is 8.9m below BMBoltP
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993
Russaro             060/316 RLR(1936) is 8.9m below BMBoltP
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Sep-2002
A description of the sea level network in Finland can be found
in 'Operational Oceanography: Implementation at the European
and Regional scales.  2002 (pp.129-137)'.
1866 - 1912 VALUES BASED ON 1 OR 3 READINGS PER DAY