Data



Data Notes



Extracted from Database

14 Oct 2019

CHARLESTON I

Station Information

Station ID: 234
Latitude: 32.781667
Longitude: -79.925
Coastline code: 960
Station code: 41
Country: UNITED STATES
Time span of data: 1921 – 2018
Completeness (%): 99
Date of last update: 31 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 CHARLESTON I.

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

Plot of annual mean sea level data at CHARLESTON I.

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: SCCC, SCHA, CHA1
Fast Delivery Data from UHSLC station 261: hourly and daily
Research Quality Data from UHSLC station 261: hourly and daily

Station Documentation

Link to RLR information.

Documentation added 1991-06-11

Charleston I 960/041 RLR(1964) is 9.7m below BM1

Documentation added 2011-07-27

Data downloaded directly from the NOAA database. Datum information also downloaded. NOAA Primary Benchmark is NO 13 1928 ELEV 8.264FT 4.02m above TGZ. Previous benchmark used BM1 4.334m above gauge zero. This corresponde with benchmark PORT 1962 values 4.333m above gauge datum for Epoch 1960-1978. 4.334m above for Epoch 1983-2001.

Data Authority

N.O.A.A. / N.O.S.
N/oes33, Ssmc4, Room 6531
1305 East-West Highway
Silver Spring,
MD 20910