Make A Graph

Dataset Title:	NOAA Ship Rainier Underway Meteorological Data, Quality Controlled
Institution:	FSU (Dataset ID: fsuNoaaShipWTEF)
Range:	longitude = 63.24 to 246.8°E, latitude = -29.15947 to 81.41°N, time = 2013-04-02T17:52:00Z to 2024-09-19T23:59:00Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form \| Files

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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:

Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  ID {
    String cf_role "trajectory_id";
    String ioos_category "Identifier";
    String long_name "Call Sign";
  }
  site {
    String ioos_category "Identifier";
    String long_name "Ship Name";
  }
  IMO {
    String ioos_category "Identifier";
  }
  cruise_id {
    String ioos_category "Identifier";
  }
  expocode {
    String ioos_category "Identifier";
  }
  facility {
    String ioos_category "Identifier";
  }
  platform {
    String ioos_category "Identifier";
  }
  platform_version {
    String ioos_category "Identifier";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.36492512e+9, 1.72679034e+9;
    String axis "T";
    Int32 data_interval -9999;
    String ioos_category "Time";
    String long_name "Time";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    String observation_type "unknown";
    Int32 qcindex 1;
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -29.15947, 81.41;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    String axis "Y";
    Float32 centerline_offset -9999.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "Furuno GP-170";
    String ioos_category "Location";
    String last_calibration "unknown";
    String long_name "Latitude";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    String observation_type "measured";
    String original_units "degrees (+N)";
    Int32 qcindex 2;
    Float32 sampling_rate -9999.0;
    String serial_number "44006233";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 63.24, 246.8;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    String axis "X";
    Float32 centerline_offset -9999.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "Furuno GP-170";
    String ioos_category "Location";
    String last_calibration "unknown";
    String long_name "Longitude";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    String observation_type "measured";
    String original_units "degrees (-W/+E)";
    Int32 qcindex 3;
    Float32 sampling_rate -9999.0;
    String serial_number "44006233";
    String standard_name "longitude";
    String units "degrees_east";
  }
  airPressure {
    Float32 _FillValue -8888.0;
    Float32 actual_range 500.15, 2748.603;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "RM Young Other RM Young Model";
    String ioos_category "Pressure";
    String last_calibration "20121115";
    String long_name "Atmospheric Pressure";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String mslp_indicator "unknown";
    String observation_type "measured";
    String original_units "millibar";
    Int32 qcindex 11;
    Float32 sampling_rate -9999.0;
    String serial_number "MT01020";
    Float32 special_value -8888.0;
    String standard_name "air_pressure";
    String units "millibar";
  }
  airTemperature {
    Float32 _FillValue -8888.0;
    Float32 actual_range -49.7, 46.59;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    Float32 data_precision 0.1;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "RM Young Other RM Young Model";
    String ioos_category "Temperature";
    String last_calibration "20121115";
    String long_name "Air Temperature";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    String original_units "celsius";
    Int32 qcindex 12;
    Float32 sampling_rate -9999.0;
    String serial_number "MT01020";
    Float32 special_value -8888.0;
    String standard_name "air_temperature";
    String units "celsius";
  }
  conductivity {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.0, 75.79;
    Float64 colorBarMaximum 4.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Salinity";
    String long_name "Conductivity";
    String standard_name "sea_water_electrical_conductivity";
  }
  relativeHumidity {
    Float32 _FillValue -8888.0;
    Float32 actual_range 9.6, 16949.69;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "RM Young Other RM Young Model";
    String ioos_category "Meteorology";
    String last_calibration "20121115";
    String long_name "Relative Humidity";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    String original_units "percent";
    Int32 qcindex 15;
    Float32 sampling_rate -9999.0;
    String serial_number "MT01020";
    Float32 special_value -8888.0;
    String standard_name "relative_humidity";
    String units "percent";
  }
  salinity {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.02, 32.52;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Sea Water Practical Salinity";
    String standard_name "sea_water_practical_salinity";
  }
  seaTemperature {
    Float32 _FillValue -8888.0;
    Float32 actual_range 7.39, 18.9;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String ioos_category "Temperature";
    String long_name "Sea Water Temperature";
    String standard_name "sea_water_temperature";
  }
  windDirection {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.0, 360.0;
    String associated_parameters "PL_SPD,PL_CRS,PL_HD,PL_WSPD,PL_WDIR";
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 0.01;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "Furuno GP-90;Furuno GP-90;Other Other;RM Young Other RM Young Model;RM Young Other RM Young Model";
    String ioos_category "Wind";
    String last_calibration "unknown";
    String long_name "Earth Relative Wind Direction";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "calculated";
    String original_units "degrees (clockwise from true north)";
    Int32 qcindex 6;
    Float32 sampling_rate -9999.0;
    String serial_number "unknown";
    Float32 special_value -8888.0;
    String standard_name "wind_from_direction";
    String units "degrees (clockwise from true north)";
    String wind_direction_convention "unknown";
  }
  windSpeed {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.0, 1.143111e+8;
    String associated_parameters "PL_SPD,PL_CRS,PL_HD,PL_WSPD,PL_WDIR";
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 0.01;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "Furuno GP-90;Furuno GP-90;Other Other;RM Young Other RM Young Model;RM Young Other RM Young Model";
    String ioos_category "Wind";
    String last_calibration "unknown";
    String long_name "Earth Relative Wind Speed";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "calculated";
    String original_units "knot";
    Int32 qcindex 9;
    Float32 sampling_rate -9999.0;
    String serial_number "unknown";
    Float32 special_value -8888.0;
    String standard_name "wind_speed";
    String units "meter second-1";
  }
  platformCourse {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.0, 360.0;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "Furuno GP-170";
    String ioos_category "Unknown";
    String last_calibration "unknown";
    String long_name "Platform Course";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    String original_units "degrees (clockwise towards true north)";
    Int32 qcindex 5;
    Float32 sampling_rate -9999.0;
    String serial_number "44006233";
    Float32 special_value -8888.0;
    String units "degrees_true";
  }
  platformHeading {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.0, 360.0;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "Other Other";
    String ioos_category "Unknown";
    String last_calibration "unknown";
    String long_name "Platform Heading";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    String original_units "degrees (clockwise towards true north)";
    Int32 qcindex 4;
    Float32 sampling_rate -9999.0;
    String serial_number "4863";
    Float32 special_value -8888.0;
    String units "degrees_true";
  }
  platformSpeed {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.0, 1.182529e+8;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "Furuno GP-170";
    String ioos_category "Other";
    String last_calibration "unknown";
    String long_name "Platform Speed Over Ground";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    String original_units "knot";
    Int32 qcindex 8;
    Float32 sampling_rate -9999.0;
    String serial_number "44006233";
    Float32 special_value -8888.0;
    String units "meter second-1";
  }
  platformWindDirection {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.0, 360.0;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "RM Young Other RM Young Model";
    String ioos_category "Wind";
    String last_calibration "20121115";
    String long_name "Platform Relative Wind Direction";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    String original_units "degrees (clockwise from bow)";
    Int32 qcindex 7;
    Float32 sampling_rate -9999.0;
    String serial_number "MT01020";
    Float32 special_value -8888.0;
    String standard_name "wind_from_direction";
    String units "degrees (clockwise from bow)";
    String wind_direction_convention "unknown";
    Float32 zero_line_reference -9999.0;
  }
  platformWindSpeed {
    Float32 _FillValue -8888.0;
    Float32 actual_range 0.0, 35.80761;
    String average_center "time at end of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -9999.0;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 1.0e-5;
    Float32 distance_from_bow -9999.0;
    Float32 height -9999.0;
    String instrument "RM Young Other RM Young Model";
    String ioos_category "Wind";
    String last_calibration "20121115";
    String long_name "Platform Relative Wind Speed";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    String original_units "knot";
    Int32 qcindex 10;
    Float32 sampling_rate -9999.0;
    String serial_number "MT01020";
    Float32 special_value -8888.0;
    String standard_name "wind_speed";
    String units "meter second-1";
  }
  flag {
    String A "Units added";
    String B "Data out of range";
    String C "Non-sequential time";
    String D "Failed T>=Tw>=Td";
    String DODS_dimName "f_string";
    Int32 DODS_strlen 15;
    String E "True wind error";
    String F "Velocity unrealistic";
    String G "Value > 4 s. d. from climatology";
    String H "Discontinuity";
    String I "Interesting feature";
    String ioos_category "Quality";
    String J "Erroneous";
    String K "Suspect - visual";
    String L "Ocean platform over land";
    String long_name "Quality Control Flags";
    String M "Instrument malfunction";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    String N "In Port";
    String O "Multiple original units";
    String P "Movement uncertain";
    String Q "Pre-flagged as suspect";
    String R "Interpolated data";
    String S "Spike - visual";
    String T "Time duplicate";
    String U "Suspect - statistial";
    String V "Spike - statistical";
    String X "Step - statistical";
    String Y "Suspect between X-flags";
    String Z "Good data";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "ID, site";
    String contact_email "samos@coaps.fsu.edu";
    String contact_info "Center for Ocean-Atmospheric Prediction Studies, The Florida State University, Tallahassee, FL, 32306-2840, USA";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_email "samos@coaps.fsu.edu";
    String creator_name "Shipboard Automated Meteorological and Oceanographic System (SAMOS)";
    String creator_type "institution";
    String creator_url "https://samos.coaps.fsu.edu/html/";
    String Data_modification_date "10/23/2024 16:17:32 EDT";
    String data_provider "unknown at this time";
    String defaultDataQuery "&time>=max(time)-7days&time<=max(time)&flag=~\"ZZZ.*\"";
    String defaultGraphQuery "&time>=max(time)-7days&time<=max(time)&flag=~\"ZZZ.*\"&.marker=10|5";
    Float64 Easternmost_Easting 246.8;
    Int16 elev 0;
    String end_date_time "2024/09/19 -- 23:59 UTC";
    String featureType "Trajectory";
    String files_merged "[WTEF_20240919v10001.nc]";
    String fsu_version "300";
    Float64 geospatial_lat_max 81.41;
    Float64 geospatial_lat_min -29.15947;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 246.8;
    Float64 geospatial_lon_min 63.24;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-11-15T13:50:39Z https://tds.coaps.fsu.edu/thredds/catalog/samos/data/research/WTEF/catalog.xml
2024-11-15T13:50:39Z https://coastwatch.pfeg.noaa.gov/tabledap/fsuNoaaShipWTEF.das";
    String infoUrl "https://samos.coaps.fsu.edu/html/";
    String institution "FSU";
    String keywords "air, air_pressure, air_temperature, atmosphere, atmospheric, calender, conductivity, control, course, data, date, day, density, direction, earth, 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 Temperature > Air Temperature, Earth Science > Atmosphere > Atmospheric Temperature > Surface Air Temperature, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Oceans > Salinity/Density > Conductivity, Earth Science > Oceans > Salinity/Density > Salinity, electrical, file, flags, from, fsu, ground, heading, history, humidity, information, level, measurements, meteorological, meteorology, oceans, over, platform, pressure, quality, Rainier, relative, relative_humidity, salinity, sea, sea_water_electrical_conductivity, sea_water_practical_salinity, seawater, speed, static, surface, temperature, time, vapor, water, wind, wind_from_direction, wind_speed, winds";
    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.";
    String merger_version "v001";
    String Metadata_modification_date "10/23/2024 16:17:32 EDT";
    String metadata_retrieved_from "WTEF_20240919v10001.nc";
    String naming_authority "gov.noaa.pfeg.coastwatch";
    Float64 Northernmost_Northing 81.41;
    String receipt_order "01";
    String sourceUrl "https://tds.coaps.fsu.edu/thredds/catalog/samos/data/research/WTEF/catalog.xml";
    Float64 Southernmost_Northing -29.15947;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String start_date_time "2024/09/19 -- 00:00 UTC";
    String subsetVariables "ID, site, IMO, cruise_id, expocode, facility, platform, platform_version";
    String summary 
"NOAA Ship Rainier Underway Meteorological Data (delayed ~10 days for quality control) are from the Shipboard Automated Meteorological and Oceanographic System (SAMOS) program.

IMPORTANT: ALWAYS USE THE QUALITY FLAG DATA! Each data variable's metadata includes a qcindex attribute which indicates a character number in the flag data.  ALWAYS check the flag data for each row of data to see which data is good (flag='Z') and which data isn't.  For example, to extract just data where time (qcindex=1), latitude (qcindex=2), longitude (qcindex=3), and airTemperature (qcindex=12) are 'good' data, include this constraint in your ERDDAP query:
  flag=~\"ZZZ........Z.*\"
in your query.  
\"=~\" indicates this is a regular expression constraint.
The 'Z's are literal characters.  In this dataset, 'Z' indicates 'good' data. 
The '.'s say to match any character.  
The '*' says to match the previous character 0 or more times.  
See the tutorial for regular expressions at
https://www.vogella.com/tutorials/JavaRegularExpressions/article.html";
    String time_coverage_end "2024-09-19T23:59:00Z";
    String time_coverage_start "2013-04-02T17:52:00Z";
    String title "NOAA Ship Rainier Underway Meteorological Data, Quality Controlled";
    Float64 Westernmost_Easting 63.24;
  }
}

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.

(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.