HARSTAD

Documentation added 1991-06-11

Harstad 040/061 RLR(1964) is 9.8m below BM "Puller"

Documentation added 1995-03-30

Prior to 1978 fcode=C

Documentation added 1995-03-30

Tide gauge network modernised, new equipment installed in 1988

Documentation added 2010-07-19

The Norwegian Mapping Authority has revised their datasets. The Primary benchmark for Harstad is now M8 N12 which is 9.244m above TGZ. The RLR wasre-calculated using 2008 as the RLR year. The revised RLR factor is 5.456m tobe added to the data. RLR (2008) is 14.7m below TGBM M8 N12.

Documentation added 2012-09-05

For information on sea level change 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 September 1988 and November 2009 have been updated using revised data values from the Norwegian Mapping Authority.