21 July 1998: RLR redefined following review of revised data
Documentation added 2002-09-24
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)'. PRIOR TO 1971 FCODE=06
Documentation added 2012-01-09
From levelling information recently supplied by the Finnish Meteorological Institute it has been confirmed that the Primary benchmark remains PM 2.75m above the gauge datum.
Documentation added 2019-11-27
From 2018 onwards the averages of the Finnish sea level data will be based on 1 min observations. Values are calculated in Finnish normal time (EET). The data are relative to the reference surface of the Finnish sea level observations and thus the datum is the tide gauge zero.
Finnish Meteorological Institute Marine Research, Waves and Sea Level Erik Palenin aukio 1 P.O. Box 503 FI - 00101 Helsinki