Tide gauge network modernised, new equipment installed in 1986
Documentation added 2009-01-28
Following the input of revised data values station made Metric awaiting datum information.
Documentation added 2009-04-06
2007/8 mean sea level values entered as METRIC only awaiting confirmation of a datum query.
Documentation added 2009-10-29
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.
Documentation added 2010-07-15
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.
Documentation added 2012-09-05
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.
Documentation added 2018-01-25
Monthly mean values for 1986 for March, April and June have been edited using revised Norwegian data values.
Norwegian Mapping Authority Hydrographic Service Po. Box 60 4001 Stavanger