Data



Data Notes



Extracted from Database

01 Jul 2019

TREGDE

Station Information

Station ID: 302
Latitude: 58.006377
Longitude: 7.554759
GLOSS ID: 321
Coastline code: 40
Station code: 301
Country: NORWAY
Time span of data: 1927 – 2018
Completeness (%): 97
Date of last update: 22 Jan 2019

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Tide Gauge Data

Plot of monthly mean sea level data at TREGDE.

Link to larger image of monthly data plot.
Download monthly mean sea level data.

Plot of annual mean sea level data at TREGDE.

Link to larger image of annual data plot.
Download annual mean sea level data.

Download metric sea level data. Use only with extreme caution.
NOTE: If some of the data are red in the plots above, the 'flag for attention' is set. Please see the documentation below.

Additional Data Sources (guide to additional data sources)

Nearby GNSS Stations from SONEL: TGDE
Nearby Real Time Stations from VLIZ: treg
Fast Delivery Data from UHSLC station 804: hourly and daily
Research Quality Data from UHSLC station 804: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Tregde 040/301 RLR(1964) is 8.7m below BM D40N53

Documentation added 1995-03-30

Tide gauge network modernised, new equipment installed in 1987

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 2009-10-27

The Norwegian Mapping Authority have revised their datasets. Whole dataset is now referred to TGBM D40 N53 which is 2.716m above TGZ. As a result RLR has been re-calculated to be 5984.

Documentation added 2009-10-29

RLR value for Tregde now RLR 2008.

Documentation added 2010-04-19

Data points for February and July 1941 have been switched off as these are data spikes. These data values do not appear on the Norwegian website.

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 2018-01-30

Using updated values supplied by the Norwegian Mapping Authority data points for December 1987 and October 2009 have been revised.

Data Authority

Norwegian Mapping Authority
Hydrographic Service
Po. Box 60
4001 Stavanger