=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Alesund             040/191 RLR(1964) is 10.9m below BM No129
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 30-Mar-1995
Tide gauge network modernised, new equipment installed in 1986
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 28-Jan-2009
Following the input of revised data values station made Metric awaiting datum information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 06-Apr-2009
2007/8 mean sea level values entered as METRIC only awaiting confirmation of a datum query.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Oct-2009
A search was made on the Norwegian website to see if the datum issue could be resolved. From looking at the datasets it became obvious that they had been totally revised. Datum figures were found on the web and applied to the data. RLR was recalculated for 2008. There is still a query on the very early data which still needs confirming with the authority.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 15-Jul-2010
TGBM is now B27 N5 7.050m above TGZ.RLR (2008) was calculated to be 5.650m This value should be added to the data to refer to RLR (2008). RLR (2008) is 12.7m below TGBM B27 N5.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 05-Sep-2012
For information of sea level rise along the Norwegian coast see paper "Contributions to sea level variability along the Norwegian coast for 1960-2010" by K. Richter, J.E.O. Nilsen and H Drange.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 25-Jan-2018
Monthly mean values for 1986 for March, April and June have been edited using revised Norwegian data values.