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Dataset Title:  Holyrood Wharf Weather Station Subscribe RSS
Institution:  MI   (Dataset ID: SMA_holyrood_wharf)
Range: longitude = -53.13495 to -53.13495°E, latitude = 47.38866 to 47.38866°N, time = 2014-05-01T17:45:20Z to 2022-08-20T04:30:22Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background | Data Access Form | Files
 
Graph Type:  ?
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  station_name {
    String _Encoding "UTF-8";
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station Name";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.39896632e+9, 1.660969822e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Timestamp";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -53.13495, -53.13495;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 47.38866, 47.38866;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  wind_spd_avg {
    Float32 actual_range 0.0, 51.0;
    String ioos_category "Wind";
    String long_name "Wind Spd Avg";
    String standard_name "wind_speed";
    String units "m s-1";
  }
  wind_spd_max {
    Float32 actual_range 0.0, 661.0;
    String ioos_category "Wind";
    String long_name "Wind Spd Max";
    String standard_name "wind_speed_of_gust";
    String units "m s-1";
  }
  wind_dir_avg {
    Float32 actual_range 0.0, 360.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "Wind From Direction";
    String standard_name "wind_from_direction";
    String units "degree";
  }
  air_temp_avg {
    Float32 actual_range -17.8, 30.3;
    String ioos_category "Temperature";
    String long_name "Air Temp Avg";
    String standard_name "air_temperature";
    String units "degree_C";
  }
  air_pressure_avg {
    Float32 actual_range 0.0, 1050.0;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    String ioos_category "Pressure";
    String long_name "Air Pressure";
    String standard_name "air_pressure";
    String units "mbar";
  }
  vis_avg {
    Float32 actual_range 0.0, 10.6;
    String ioos_category "Optical Properties";
    String long_name "Horizontal Visibility";
    String standard_name "visibility_in_air";
    String units "nmi";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_name,longitude,latitude";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "SmartBay@smartbay.ca";
    String creator_name "Marine Institute";
    String creator_url "https://www.mi.mun.ca/departments/centreforappliedoceantechnology/";
    Float64 Easternmost_Easting -53.13495;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 47.38866;
    Float64 geospatial_lat_min 47.38866;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -53.13495;
    Float64 geospatial_lon_min -53.13495;
    String geospatial_lon_units "degrees_east";
    String history 
"2022-08-20T04:47:43Z (local files)
2022-08-20T04:47:43Z https://www.smartatlantic.ca/tabledap/SMA_holyrood_wharf.das";
    String infoUrl "https://www.smartatlantic.ca/station_alt.html?id=conceptionbay";
    String institution "MI";
    String instrument_1_description "Anemometer";
    String instrument_1_id "Anemometer-462";
    String instrument_1_manufacturer "nan";
    String instrument_1_type "Sensor";
    String instrument_1_version "nan";
    String instrument_2_description "Telemetry";
    String instrument_2_id "Telemetry-461";
    String instrument_2_manufacturer "B&B Electronics";
    String instrument_2_type "Equipment";
    String instrument_2_version "nan";
    String instrument_3_description "Tide Station";
    String instrument_3_id "Tide Station-460";
    String instrument_3_manufacturer "RBR";
    String instrument_3_type "Equipment";
    String instrument_3_version "nan";
    String instrument_4_description "Weather Station";
    String instrument_4_id "2671619";
    String instrument_4_manufacturer "AirMar WX-200";
    String instrument_4_type "Sensor";
    String instrument_4_version "44-835-1-01";
    String keywords "air, air_pressure, air_pressure_avg, air_temp_avg, atmosphere, atmospheric, average, data, direction, Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements, Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure, Earth Science > Atmosphere > Atmospheric Pressure > Static Pressure, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, holyrood, identifier, institute, level, marine, max, measurements, name, other, pressure, sea, spd, static, station, station_name, surface, temperature, time, timestamp, vis, vis_avg, wind, wind_dir_avg, wind_from_direction, wind_spd_avg, wind_spd_max, winds";
    String keywords_fra "other";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float64 Northernmost_Northing 47.38866;
    String platform "coastal structure";
    String platform_description "Holyrood WeatherTide Station";
    String platform_id "Weather Station-84";
    String platform_vocabulary "https://vocab.nerc.ac.uk/collection/L06/current/";
    String project "SmartAtlantic";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 47.38866;
    String standard_name_vocabulary "CF Standard Name Table v78";
    String summary "Deployed in April 2014, the weather station is located in the South Arm of Holyrood Bay, at the Marine Institute's Holyrood Marine Base in Conception Bay. The station consists of a AIRMAR WX200 WeatherStation and a Belfort 6500 Visibility Sensor.The WX200 WeatherStation sensors measure apparent wind speed and direction, barometric pressure, air temperature, relative humidity, and dew point. Wind chill values are provided from calculations using temperature and wind speed. The Belfort 6500 Visibility Sensor monitors visibility conditions over a range of 6 meters to 80 kilometers. Data from the station is available in near-real time and is utilized by mariners in this region in support of safer and more efficient marine operations.";
    String summary_fra "Déployée en avril 2014, la station météorologique est située dans le bras sud de Holyrood Bay, à la base marine Holyrood de l'Institut maritime à la baie Conception. La station est composée d'une station météorologique AIRMAR WX200 et d'un capteur de visibilité Belfort 6500. Les capteurs de la station météorologique WX200 mesurent la vitesse et la direction du vent apparent, la pression barométrique, la température de l'air, l'humidité relative et le point de rosée. Les valeurs du refroidissement éolien sont fournies à partir de calculs effectués à l'aide de la température et de la vitesse du vent. Le capteur de visibilité Belfort 6500 surveille les conditions de visibilité sur une portée de 6 mètres à 80 kilomètres. Les données de la station sont disponibles en temps quasi réel et sont utilisées par les navigateurs de cette région pour appuyer des opérations maritimes plus sécuritaires et plus efficaces.";
    String testOutOfDate "now-44minutes";
    String time_coverage_end "2022-08-20T04:30:22Z";
    String time_coverage_start "2014-05-01T17:45:20Z";
    String title "Holyrood Wharf Weather Station";
    String title_fra "station météorologique Holyrood Wharf";
    String uuid "bdb7c3fd-70c2-4bc2-bbcf-cf1efc8a568b";
    Float64 Westernmost_Easting -53.13495;
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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