ERDDAP > tabledap > Data Access Form

Dataset Title:	Daily Average Weather Data, Lord's Cove
Institution:	CNA   (Dataset ID: cna_werc_weather_daily_avg)
Information:	Summary | License | FGDC | ISO 19115 | Metadata | Background | Files | Make a graph

 

Variable	Optional Constraint #1		Optional Constraint #2		Minimum	Maximum
station_name	!= =~ <= >= = < >		!= =~ <= >= = < >
time (Timestamp, UTC)	!= =~ <= >= = < >		!= =~ <= >= = < >
latitude (degrees_north)	!= =~ <= >= = < >		!= =~ <= >= = < >		46.86299	46.86299
longitude (degrees_east)	!= =~ <= >= = < >		!= =~ <= >= = < >		-55.68249	-55.68249
wind_vec_avg (km h-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	63.96
wind_scalar_avg (km h-1)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	999.0
wind_dir (Average Wind Direction, degree)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	359.9
wind_dir_sd (degree)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	102.0
air_temp_avg (Mean Air Temperature, degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-13.27	21.01
air_temp_max (degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-10.14	350.9
time_air_temp_max (Time of Temperature Max)	!= =~ <= >= = < >		!= =~ <= >= = < >
air_temp_min (degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-39.66	20.84
time_air_temp_min (Time of Temperature Min)	!= =~ <= >= = < >		!= =~ <= >= = < >
air_dewpoint_avg (degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-52.03	20.34
air_dewpoint_max (degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-47.44	653.3
time_air_dewpoint_max	!= =~ <= >= = < >		!= =~ <= >= = < >
air_dewpoint_min (degree_C)	!= =~ <= >= = < >		!= =~ <= >= = < >		-88.1	18.18
time_air_dewpoint_min	!= =~ <= >= = < >		!= =~ <= >= = < >
pyr_solar (kW m-2)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	44.595
rain_gauge_1 (mm)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	113.4
rain_gauge_2 (mm)	!= =~ <= >= = < >		!= =~ <= >= = < >		0.0	999.0

 

Server-side Functions

distinct()

orderBy orderByDescending orderByClosest orderByCount orderByLimit orderByMax orderByMin orderByMinMax orderByMean orderBySum (" station_name time latitude longitude wind_vec_avg wind_scalar_avg wind_dir wind_dir_sd air_temp_avg air_temp_max time_air_temp_max air_temp_min time_air_temp_min air_dewpoint_avg air_dewpoint_max time_air_dewpoint_max air_dewpoint_min time_air_dewpoint_min pyr_solar rain_gauge_1 rain_gauge_2 station_name time latitude longitude wind_vec_avg wind_scalar_avg wind_dir wind_dir_sd air_temp_avg air_temp_max time_air_temp_max air_temp_min time_air_temp_min air_dewpoint_avg air_dewpoint_max time_air_dewpoint_max air_dewpoint_min time_air_dewpoint_min pyr_solar rain_gauge_1 rain_gauge_2 station_name time latitude longitude wind_vec_avg wind_scalar_avg wind_dir wind_dir_sd air_temp_avg air_temp_max time_air_temp_max air_temp_min time_air_temp_min air_dewpoint_avg air_dewpoint_max time_air_dewpoint_max air_dewpoint_min time_air_dewpoint_min pyr_solar rain_gauge_1 rain_gauge_2 station_name time latitude longitude wind_vec_avg wind_scalar_avg wind_dir wind_dir_sd air_temp_avg air_temp_max time_air_temp_max air_temp_min time_air_temp_min air_dewpoint_avg air_dewpoint_max time_air_dewpoint_max air_dewpoint_min time_air_dewpoint_min pyr_solar rain_gauge_1 rain_gauge_2 station_name time latitude longitude wind_vec_avg wind_scalar_avg wind_dir wind_dir_sd air_temp_avg air_temp_max time_air_temp_max air_temp_min time_air_temp_min air_dewpoint_avg air_dewpoint_max time_air_dewpoint_max air_dewpoint_min time_air_dewpoint_min pyr_solar rain_gauge_1 rain_gauge_2 ")

File type: (more information) .asc - View OPeNDAP-style ISO-8859-1 comma-separated text. .csv - Download a ISO-8859-1 comma-separated text table (line 1: names; line 2: units; ISO 8601 times). .csvp - Download a ISO-8859-1 .csv file with line 1: name (units). Times are ISO 8601 strings. .csv0 - Download a ISO-8859-1 .csv file without column names or units. Times are ISO 8601 strings. .dataTable - A JSON file formatted for use with the Google Visualization client library (Google Charts). .das - View the dataset's metadata via an ISO-8859-1 OPeNDAP Dataset Attribute Structure (DAS). .dds - View the dataset's structure via an ISO-8859-1 OPeNDAP Dataset Descriptor Structure (DDS). .dods - OPeNDAP clients use this to download the data in the DODS binary format. .esriCsv - Download a ISO_8859_1 .csv file for ESRI's ArcGIS 9.x and below (separate date and time columns). .fgdc - View the dataset's UTF-8 FGDC .xml metadata. .geoJson - Download longitude,latitude,otherColumns data as a UTF-8 GeoJSON .json file. .graph - View a Make A Graph web page. .help - View a web page with a description of tabledap. .html - View an OPeNDAP-style HTML Data Access Form. .htmlTable - View a UTF-8 .html web page with the data in a table. Times are ISO 8601 strings. .iso19115 - View the dataset's ISO 19115-2/19139 UTF-8 .xml metadata. .itx - Download an ISO-8859-1 Igor Text File. Each response column becomes a wave. .json - View a table-like UTF-8 JSON file (missing value = 'null'; times are ISO 8601 strings). .jsonlCSV1 - View a UTF-8 JSON Lines CSV file with column names on line 1 (mv = 'null'; times are ISO 8601 strings). .jsonlCSV - View a UTF-8 JSON Lines CSV file without column names (mv = 'null'; times are ISO 8601 strings). .jsonlKVP - View a UTF-8 JSON Lines file with Key:Value pairs (missing value = 'null'; times are ISO 8601 strings). .mat - Download a MATLAB binary file. .nc - Download a flat, table-like, NetCDF-3 binary file with COARDS/CF/ACDD metadata. .ncHeader - View the UTF-8 header (the metadata) for the NetCDF-3 .nc file. .ncCF - Download a NetCDF-3 CF Discrete Sampling Geometries file (Contiguous Ragged Array). .ncCFHeader - View the UTF-8 header (the metadata) for the .ncCF file. .ncCFMA - Download a NetCDF-3 CF Discrete Sampling Geometries file (Multidimensional Array). .ncCFMAHeader - View the UTF-8 header (the metadata) for the .ncCFMA file. .nccsv - Download a NetCDF-3-like 7-bit ASCII NCCSV .csv file with COARDS/CF/ACDD metadata. .nccsvMetadata - View the dataset's metadata as the top half of a 7-bit ASCII NCCSV .csv file. .ncoJson - Download a UTF-8 NCO lvl=2 JSON file with COARDS/CF/ACDD metadata. .odvTxt - Download longitude,latitude,time,otherColumns as an ISO-8859-1 ODV Generic Spreadsheet File (.txt). .parquet - Download as a parquet file. Metadata contains column names ("column_names") and units ("column_units"). .parquetWMeta - Download as a parquet file with detailed metadata. .subset - View an HTML form which uses faceted search to simplify picking subsets of the data. .tsv - Download a ISO-8859-1 tab-separated text table (line 1: names; line 2: units; ISO 8601 times). .tsvp - Download a ISO-8859-1 .tsv file with line 1: name (units). Times are ISO 8601 strings. .tsv0 - Download a ISO-8859-1 .tsv file without column names or units. Times are ISO 8601 strings. .wav - Download a .wav audio file. All columns must be numeric and of the same type. .xhtml - View a UTF-8 XHTML (XML) file with the data in a table. Times are ISO 8601 strings. .kml - View a .kml file, suitable for Google Earth. .smallPdf - View a small .pdf image file with a graph or map. .pdf - View a standard, medium-sized .pdf image file with a graph or map. .largePdf - View a large .pdf image file with a graph or map. .smallPng - View a small .png image file with a graph or map. .png - View a standard, medium-sized .png image file with a graph or map. .largePng - View a large .png image file with a graph or map. .transparentPng - View a .png image file (just the data, without axes, landmask, or legend).

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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";
    String axis "T";
    String ioos_category "Time";
    String long_name "Timestamp";
    String source_name "timestamp";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01T00:00:00+00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 46.86299, 46.86299;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -55.68249, -55.68249;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String source_name "long";
    String standard_name "longitude";
    String units "degrees_east";
  }
  wind_vec_avg {
    Float32 actual_range 0.0, 63.96;
    String description "Vector averaged windspeed in Km/hr (RM Young marine anemometer 05106-C) for day";
    String ioos_category "Wind";
    String long_name "Vector Averaged Windspeed";
    String standard_name "wind_speed";
    String units "km h-1";
  }
  wind_scalar_avg {
    Float32 actual_range 0.0, 999.0;
    String description "Arithmetic mean of windspeed magnitude (i.e. 1/24th of Wind run in Km) for day";
    String ioos_category "Wind";
    String long_name "Scalar Averaged Windspeed";
    String standard_name "wind_speed";
    String units "km h-1";
  }
  wind_dir {
    Float32 actual_range 0.0, 359.9;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String description "compass direction (N=360, E=90) of vector average (degrees)";
    String ioos_category "Wind";
    String long_name "Average Wind Direction";
    String standard_name "wind_from_direction";
    String units "degree";
  }
  wind_dir_sd {
    Float32 actual_range 0.0, 102.0;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String description "standard deviation of wind direction for day";
    String ioos_category "Statistics";
    String long_name "Standard Deviation, Wind Direction";
    String units "degree";
  }
  air_temp_avg {
    Float32 actual_range -13.27, 21.01;
    String description "Mean air Temperature in C (\"Hydroclip\" HC2-S3-L RH/T sensor) for day";
    String ioos_category "Temperature";
    String long_name "Mean Air Temperature";
    String standard_name "air_temperature";
    String units "degree_C";
  }
  air_temp_max {
    Float32 actual_range -10.14, 350.9;
    String description "maximum temperature during day";
    String ioos_category "Temperature";
    String long_name "Maximum Air Temperature";
    String standard_name "air_temperature";
    String units "degree_C";
  }
  time_air_temp_max {
    String description "time of maximum temperature in HHmm without leading zeros (i.e. \"1\"=00:01, \"824\"=08:24; \"1305\"=13:05 (1:05 PM)";
    String ioos_category "Time";
    String long_name "Time of Temperature Max";
    String time_precision "1970-01-01T00:00:00Z";
  }
  air_temp_min {
    Float32 actual_range -39.66, 20.84;
    String description "minimum temperature during day";
    String ioos_category "Temperature";
    String long_name "Minimum Air Temperature";
    String standard_name "air_temperature";
    String units "degree_C";
  }
  time_air_temp_min {
    String description "time of minimum temperature in HHmm without leading zeros (i.e. \"1\"=00:01, \"824\"=08:24; \"1305\"=13:05 (1:05 PM)";
    String ioos_category "Time";
    String long_name "Time of Temperature Min";
    String time_precision "1970-01-01T00:00:00Z";
  }
  air_dewpoint_avg {
    Float32 actual_range -52.03, 20.34;
    String description "Average dew point temperature (C) (\"Hydroclip\" RH/T sensor) for day";
    String ioos_category "Temperature";
    String long_name "Average Dew Point Temperature";
    String standard_name "dew_point_temperature";
    String units "degree_C";
  }
  air_dewpoint_max {
    Float32 actual_range -47.44, 653.3;
    String description "maximum dew point temperature during day";
    String ioos_category "Temperature";
    String long_name "Maximum Dew Point Temperature";
    String standard_name "dew_point_temperature";
    String units "degree_C";
  }
  time_air_dewpoint_max {
    String description "time of maximum temperature in HHmm without leading zeros (i.e. \"1\"=00:01, \"824\"=08:24; \"1305\"=13:05 (1:05 PM)";
    String ioos_category "Time";
    String long_name "Time of Dew Point Max";
    String time_precision "1970-01-01T00:00:00Z";
  }
  air_dewpoint_min {
    Float32 actual_range -88.1, 18.18;
    String description "minimum dew point temperature during day";
    String ioos_category "Temperature";
    String long_name "Minimum Dew Point Temperature";
    String standard_name "dew_point_temperature";
    String units "degree_C";
  }
  time_air_dewpoint_min {
    String description "time of minimum temperature in HHmm without leading zeros (i.e. \"1\"=00:01, \"824\"=08:24; \"1305\"=13:05 (1:05 PM)";
    String ioos_category "Time";
    String long_name "Time of Dew Point Min";
    String time_precision "1970-01-01T00:00:00Z";
  }
  pyr_solar {
    Float32 actual_range 0.0, 44.595;
    String description "total solar insolation in MJ/m2  (Kipp and Zonen silicon pyranometer Sp-Lite2) for day";
    String ioos_category "Other";
    String long_name "Average Solar Irradiance";
    String standard_name "solar_irradiance";
    String units "kW m-2";
  }
  rain_gauge_1 {
    Float32 actual_range 0.0, 113.4;
    String description "total precipitation measured by unheated rain gauge (i.e. liquid precipitation only) in mm (Texas Electronics TE525M) for day";
    String ioos_category "Meteorology";
    String long_name "Rain Gauge 1";
    String standard_name "thickness_of_rainfall_amount";
    String units "mm";
  }
  rain_gauge_2 {
    Float32 actual_range 0.0, 999.0;
    String description "total precipitation measured by heated rain gauge in mm (i.e. rain + melted snow) (RM Young 52202-L) for day";
    String ioos_category "Meteorology";
    String long_name "Rain Gauge 2";
    String standard_name "thickness_of_rainfall_amount";
    String units "mm";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station_name,longitude,latitude";
    String Conventions "COARDS, CF-1.6, ACDD-1.3, NCCSV-1.2";
    String creator_name "CNA";
    String creator_type "institution";
    String creator_url "https://www.cna.nl.ca/";
    Float64 Easternmost_Easting -55.68249;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 46.86299;
    Float64 geospatial_lat_min 46.86299;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -55.68249;
    Float64 geospatial_lon_min -55.68249;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-10-30T19:39:59Z (local files)
2025-10-30T19:39:59Z https://cioosatlantic.ca/erddap/tabledap/cna_werc_weather_daily_avg.html";
    String infoUrl "https://www.cna.nl.ca/";
    String institution "CNA";
    String keywords "atmosphere, atmospheric, average, cna, cove, daily, data, day, dir, direction, earth, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, lord, max, maximum, meteorology, min, minimum, rad, rad_tot, rain1, rain2, scalar, science, statistics, surface, tdew, tdew_avg, tdew_max, tdew_min, temperature, time, time_tdew_max, time_tdew_min, time_tmax, time_tmin, timestamp, tmax, tmin, tot, vec, weather, wind, wind_dir, wind_dir_sd, wind_from_direction, wind_scalar_avg, wind_vec_avg, winds";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "https://creativecommons.org/licenses/by/4.0/";
    Float64 Northernmost_Northing 46.86299;
    String platform "land/onshore structure";
    String platform_vocabulary "https://vocab.nerc.ac.uk/collection/L06/current/";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 46.86299;
    String standard_name_vocabulary "CF Standard Name Table v79";
    String summary "Weather station data from the Wave Environment Research Centre (WERC) at the College of the North Atlantic (CNA), Lord's Cove, Newfoundland & Labrador, Canada";
    String time_coverage_end "2021-05-19T03:30:00Z";
    String time_coverage_start "2012-01-26T03:29:59Z";
    String title "Daily Average Weather Data, Lord's Cove";
    Float64 Westernmost_Easting -55.68249;
  }
}

 

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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 Data Access Protocol (DAP) and its selection constraints.

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.

• (easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
• (easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
• (not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

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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