=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 07-Dec-2011
Although the gauge at Stenungsund has been operation since 1962 the PSMSL have only now received the data. There are now a total of 23 Swedish stations on the database.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 07-Apr-2015
The RLR diagram incorrectly referenced the data to the tide gauge zero value rather than to the local height system. We have redrawn the RLR diagram and removed the reference to tide gauge zero.  The RLR height did change, but the RLR factor applied to the metric data did not change.