downloadtidecurrentdata#

[station_information_json, station_datum_json, station_sensors_json, station_url] = downloadtidecurrentdata(station_ID, begin_date, end_date, export_parameter, interval, units, datum, time_zone, filelocation)

Description#

Download meteorological data from NOAA’s Center for Operational Oceanographic Products and Services (CO-OPS)
https://tidesandcurrents.noaa.gov/

Inputs#

station_ID
Station ID between ‘ ‘ mark, example: ‘8761724’
Find stationdata at: https://tidesandcurrents.noaa.gov/
begin_date
Start data to download data
Date format: ‘yyyyMMdd’, example: ‘20210101’
end_date
End data to download data
Date format: ‘yyyyMMdd’, example: ‘20210131’
export_parameter=’water_level’;
Data to be exported (measured at the station, depending on availability)
‘water_level’: water levels
‘air_temperature’: Air temperature
‘water_temperature’: Water temperature
‘wind’: Wind speed, direction, and gusts
‘air_pressure’: Barometric pressure
‘air_gap’: Air Gap (distance between a bridge and the water’s surface) at the station.
‘conductivity’: The water’s conductivity
‘visibility’: Visibility from the station’s visibility sensor. A measure of atmospheric clarity.
‘humidity’: Relative humidity
‘salinity’: Salinity and specific gravity
‘hourly_height’: Verified hourly height water level
‘high_low’: Verified high/low water level
‘daily_mean’: Verified daily mean water level
‘monthly_mean’: Verified monthly mean water level
‘one_minute_water_level’: One minute water level
‘predictions’: 6 minute predictions water level*
‘datums’: datums data for the stations
‘currents’: Currents data
‘currents_predictions’: Currents predictions data
interval=’h’;
Interval of reported data
‘6’: 6-min interval data are returned
‘h’: Hourly data are returned
units=’metric’;
Data unit system
‘metric’: Metric (Celsius, meters, cm/s) units
‘english’: English (fahrenheit, feet, knots) units
datum=’NAVD’;
Elevation datum
‘CRD’: Columbia River Datum
‘IGLD’: International Great Lakes Datum
‘LWD’: Great Lakes Low Water Datum (Chart Datum)
‘MHHW’: Mean Higher High Water
‘MHW’: Mean High Water
‘MTL’: Mean Tide Level
‘MSL’: Mean Sea Level
‘MLW’: Mean Low Water
‘MLLW’: Mean Lower Low Water
‘NAVD’: North American Vertical Datum
‘STND’: Station Datum
time_zone=’gmt’;
Time zone
‘gmt’: Greenwich Mean Time
‘lst’: Local Standard Time. The time local to the requested station
‘lst_ldt’: Local Standard/Local Daylight Time. The time local to the requested station
filelocation=pwd;

Location of data file to be downloaded (saved) between ‘ ‘ mark, example: ‘C:'

Outputs#

station_information_json

Station information

station_datum_json

Station datum information

station_sensors_json

Station sensor information

station_url

Station web address

Examples#

station_ID='8761724';
begin_date='20210101';
end_date='20210131';
export_parameter='water_level';
interval='h';
units='metric';
datum='STND';
time_zone='gmt';
filelocation=pwd;
[station_information_json, station_datum_json, station_sensors_json, station_url] = downloadtidecurrentdata(station_ID, begin_date, end_date, export_parameter, interval, units, datum, time_zone, filelocation);

References#