Data



Data Notes



Extracted from Database

09 Sep 2019

KHALKIS SOUTH

Station Information

Station ID: 1441
Latitude: 38.460889
Longitude: 23.589458
Coastline code: 290
Station code: 33
Country: GREECE
Time span of data: 1977 – 2017
Completeness (%): 75
Date of last update: 19 Sep 2018

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 KHALKIS SOUTH.

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

Plot of annual mean sea level data at KHALKIS SOUTH.

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: HALK

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Khalkis South 290/033 RLR(1978) is 9.3m below BM R60

Documentation added 1997-03-11

The contributing authority advises that anomalous values
are the result of met. influences

Documentation added 1997-03-11

values for December 1987 and December 1990 affected by missing data

Documentation added 2006-11-28

Whole dataset flagged due to unresolved datum query.

Documentation added 2011-07-13

Following further information from the Hellenic Navy Hydrographic Service the
data for Khalkis South were adjusted. Plotted data now appears correct.
Therefore the station flag has been removed and the station reverted to RLR
status. The RLR diagram has been redrawn to include the adjustments.

Documentation added 2013-08-12

following receipt of datum diagrams from the Hellenic Navy the RLR diagram has been re-drawn. In consequence the RLR factors have changed.

Data Authority

Hellenic Navy Hydrographic Service
Geographic Policy and International Relations Office
TGN 1040
Athens