Make A Graph

Dataset Title:	SIKULIAQ Meteorological Data (Cruise data from Sikuliaq)
Institution:	??? (Dataset ID: sikuliaq)
Range:	longitude = 0.0 to 255.7061°E, latitude = 10.0 to 80.0°N, time = 2015-04-07T00:00:00Z to 2019-09-20T23:59:00Z
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 {
  shipName {
    String cf_role "trajectory_id";
    String long_name "ship name";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4283648e+9, 1.56902394e+9;
    String axis "T";
    Float64 colorBarMaximum 2.0892e+7;
    Float64 colorBarMinimum 2.089e+7;
    Int32 data_interval -9999;
    String ioos_category "Time";
    String long_name "Time";
    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 10.0, 80.0;
    String average_center "time at center of period";
    Int16 average_length 0;
    String average_method "instantaneous (spot)";
    String axis "Y";
    Float64 colorBarMaximum 46.0;
    Float64 colorBarMinimum 44.5;
    Float32 data_precision -9999.0;
    String instrument "SEAPATH 320+";
    String ioos_category "Location";
    String long_name "Latitude";
    String observation_type "measured";
    Int32 qcindex 2;
    Float32 sampling_rate 10.0;
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 0.0, 255.7061;
    String average_center "time at center of period";
    Int16 average_length 0;
    String average_method "instantaneous (spot)";
    String axis "X";
    Float64 colorBarMaximum 236.0;
    Float64 colorBarMinimum 231.0;
    Float32 data_precision -9999.0;
    String instrument "SeaPath 320+";
    String ioos_category "Location";
    String long_name "Longitude";
    String observation_type "measured";
    Int32 qcindex 3;
    Float32 sampling_rate 10.0;
    String standard_name "longitude";
    String units "degrees_east";
  }
  PL_HD {
    Float32 actual_range 0.0, 360.0;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float64 colorBarMaximum 400.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision -9999.0;
    String instrument "SeaPath 320+";
    String long_name "platform heading";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 4;
    Float32 sampling_rate 10.0;
    Float32 special_value -8888.0;
    String units "degrees (clockwise towards true north)";
  }
  PL_CRS {
    Float32 actual_range 0.0, 360.0;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float64 colorBarMaximum 400.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 0.065;
    String instrument "SeaPath 320+";
    String long_name "platform course";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 5;
    Float32 sampling_rate 10.0;
    Float32 special_value -8888.0;
    String units "degrees (clockwise towards true north)";
  }
  DIR {
    Float32 actual_range 0.0, 360.0;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 0.304;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    Int32 data_interval 60;
    Float32 data_precision -9999.0;
    Float32 distance_from_bow 0.91;
    Float32 height 15.7;
    String instrument "GILL 139-75-B-315 SER#1351006";
    String long_name "earth relative wind direction";
    Float32 missing_value -9999.0;
    String observation_type "calculated";
    Int32 qcindex 6;
    Float32 sampling_rate 1.0;
    Float32 special_value -8888.0;
    String standard_name "wind_from_direction";
    String units "degrees (clockwise from true north)";
  }
  PL_WDIR {
    Float32 actual_range 0.0, 360.0;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 0.304;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    Int32 data_interval 60;
    Float32 data_precision -9999.0;
    Float32 distance_from_bow 0.91;
    Float32 height 15.7;
    String instrument "Gill 139-75-B-313 SER#1351006";
    String long_name "platform relative wind direction";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 7;
    Float32 sampling_rate 1.0;
    Float32 special_value -8888.0;
    String standard_name "wind_from_direction";
    String units "degrees (clockwise from bow)";
    Float32 zero_line_reference 0.0;
  }
  PL_SPD {
    Float32 actual_range 0.0, 422134.9;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float64 colorBarMaximum 8.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision -9999.0;
    String instrument "SeaPath 320+";
    String long_name "platform speed over ground";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 8;
    Float32 sampling_rate 10.0;
    Float32 special_value -8888.0;
    String units "meter second-1";
  }
  PL_SOW {
    Float32 actual_range -3.39504, 483.4846;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float64 colorBarMaximum 6.0;
    Float64 colorBarMinimum -2.0;
    Float32 data_precision -9999.0;
    String instrument "Sperry Naviknot 550 DD";
    String long_name "longitudinal platform speed over water";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 9;
    Float32 sampling_rate -9999.0;
    Float32 special_value -8888.0;
    String units "meter second-1";
  }
  PL_SOW2 {
    Float32 actual_range -8888.0, 1.85184;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float64 colorBarMaximum 0.4;
    Float64 colorBarMinimum -0.6000000000000001;
    Float32 data_precision -9999.0;
    String instrument "Sperry Naviknot 550 DD";
    String long_name "transverse platform speed over water";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 10;
    Float32 sampling_rate -9999.0;
    Float32 special_value -8888.0;
    String units "meter second-1";
  }
  SPD {
    Float32 actual_range 0.0, 27.63871;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 0.304;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    Int32 data_interval 60;
    Float32 data_precision -9999.0;
    Float32 distance_from_bow 0.91;
    Float32 height 15.7;
    String instrument "GILL 139-75-B-316 SER#1351006";
    String long_name "earth relative wind speed";
    Float32 missing_value -9999.0;
    String observation_type "calculated";
    Int32 qcindex 11;
    Float32 sampling_rate 1.0;
    Float32 special_value -8888.0;
    String standard_name "wind_speed";
    String units "meter second-1";
  }
  PL_WSPD {
    Float32 actual_range 0.0, 27.6;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 0.304;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    Int32 data_interval 60;
    Float32 data_precision 0.01;
    Float32 distance_from_bow 0.91;
    Float32 height 15.7;
    String instrument "Gill 139-75-B-314 Ser# 1351006";
    String long_name "platform relative wind speed";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 12;
    Float32 sampling_rate 1.0;
    Float32 special_value -8888.0;
    String standard_name "wind_speed";
    String units "meter second-1";
  }
  P {
    Float32 actual_range 966.6, 1032.8;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 0.61;
    Float64 colorBarMaximum 1050.0;
    Float64 colorBarMinimum 950.0;
    Float32 data_precision 0.07;
    Float32 distance_from_bow 0.61;
    Float32 height 14.94;
    String instrument "VAISALA PTU300 71E10B0AAAA1A4A1EBB0B4A SER#J1620009";
    String long_name "atmospheric pressure";
    Float32 missing_value -9999.0;
    String mslp_indicator "at sensor height";
    String observation_type "measured";
    Int32 qcindex 13;
    Float32 sampling_rate 0.5;
    Float32 special_value -8888.0;
    String standard_name "air_pressure";
    String units "millibar";
  }
  airt {
    Float32 actual_range -21.8, 37.0;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 0.61;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    Float32 data_precision 0.1;
    Float32 distance_from_bow 0.61;
    Float32 height 14.94;
    String instrument "VAISALA PTU300 71E10B0AAAA1A4A1EBB0B4A SER#J1620010";
    String long_name "air temperature";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 14;
    Float32 sampling_rate 0.5;
    Float32 special_value -8888.0;
    String standard_name "air_temperature";
    String units "degree_C";
  }
  RH {
    Float32 actual_range 4.1, 110.0;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 0.61;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision 1.7;
    Float32 distance_from_bow 0.61;
    Float32 height 14.94;
    String instrument "Vaisala PTU300 71E10B0AAAA1A4A1EBB0B4A SER# J1620011";
    String long_name "relative humidity";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 15;
    Float32 sampling_rate 0.5;
    Float32 special_value -8888.0;
    String standard_name "relative_humidity";
    String units "percent";
  }
  TS2 {
    Float32 actual_range -23.03, 65.22;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 7.32;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    Float32 data_precision 0.8;
    Float32 distance_from_bow 46.33;
    Float32 height 9.14;
    String instrument "Heirtronics CT15 Ser# 10975";
    String long_name "IR sea skin temperature";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 16;
    Float32 sampling_rate 1.0;
    Float32 special_value -8888.0;
    String units "degree_C";
  }
  SSPS {
    Float32 actual_range 0.0, 768.157;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -2.44;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    Int32 data_interval 60;
    Float32 data_precision -9999.0;
    Float32 distance_from_bow 19.98;
    Float32 height -1.68;
    String instrument "SeaBird SBE45 Ser# 0455";
    String long_name "salinity";
    Float32 missing_value -9999.0;
    String observation_type "calculated";
    Int32 qcindex 17;
    Float32 sampling_rate 0.5;
    Float32 special_value -8888.0;
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  CNDC {
    Float32 actual_range -3.0e-5, 742.8489;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset -2.44;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum 30.0;
    Float32 data_precision 0.003;
    Float32 distance_from_bow 19.98;
    Float32 height -1.68;
    String instrument "SEABIRD SBE45 SER# 0455";
    String long_name "conductivity";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 18;
    Float32 sampling_rate 0.5;
    Float32 special_value -8888.0;
    String standard_name "sea_water_electrical_conductivity";
    String units "siemens meter-1";
  }
  RAD_SW {
    Float32 actual_range -25.85, 2006.14;
    Float64 colorBarMaximum 1000.0;
    Float64 colorBarMinimum -200.0;
  }
  RAD_LW {
    Float32 actual_range -597.21, 408.17;
    Float64 colorBarMaximum 420.0;
    Float64 colorBarMinimum 320.0;
  }
  RAD_PAR {
    Float32 actual_range -4.823, 3402.513;
    String average_center "time at center of period";
    Int16 average_length 60;
    String average_method "average";
    Float32 centerline_offset 5.49;
    Float64 colorBarMaximum 3000.0;
    Float64 colorBarMinimum 0.0;
    Float32 data_precision -9999.0;
    Float32 distance_from_bow 48.16;
    Float32 height 12.34;
    String instrument "Biospherical QSR2150";
    String long_name "photosynthetically active atmospheric radiation";
    Float32 missing_value -9999.0;
    String observation_type "measured";
    Int32 qcindex 19;
    String rad_direction "downwelling";
    Float32 sampling_rate 0.1;
    Float32 special_value -8888.0;
    String units "microeinstein meter-2 second-1";
  }
  date {
    Float64 actual_range 1.4283648e+9, 1.5689376e+9;
    Float64 colorBarMaximum 2.15e+7;
    Float64 colorBarMinimum 1.9e+7;
    String ioos_category "Time";
    String long_name "calender date";
    Int32 qcindex 1;
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  time_of_day {
    Int32 actual_range 0, 235900;
    Float64 colorBarMaximum 250000.0;
    Float64 colorBarMinimum 0.0;
    String long_name "time of day";
    Int32 qcindex 1;
    String units "hhmmss UTC";
  }
  flag {
    String A "Units added";
    String B "Data out of range";
    String C "Non-sequential time";
    String D "Failed T>=Tw>=Td";
    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 J "Erroneous";
    String K "Suspect - visual";
    String L "Ocean platform over land";
    String long_name "quality control flags";
    String M "Instrument malfunction";
    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 "shipName";
    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 Cruise_id "Cruise_id undefined for now";
    String Data_modification_date "07/27/2016 02:00:24 EDT";
    String data_provider "unknown at this time";
    Float64 Easternmost_Easting 255.7061;
    Int16 elev 0;
    String EXPOCODE "EXPOCODE undefined for now";
    String facility "unknown at this time";
    String featureType "Trajectory";
    String fsu_version "200";
    Float64 geospatial_lat_max 80.0;
    Float64 geospatial_lat_min 10.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 255.7061;
    Float64 geospatial_lon_min 0.0;
    String geospatial_lon_units "degrees_east";
    String history 
"2024-04-16T05:56:03Z (local files)
2024-04-16T05:56:03Z https://data.pmel.noaa.gov/generic/tabledap/sikuliaq.das";
    String id "WDG7520";
    String IMO "unknown at this time";
    String infoUrl "???";
    String institution "???";
    String keywords "active, air, air_pressure, air_temperature, atmosphere, atmospheric, calender, CNDC, conductivity, control, course, cruise, data, date, day, density, DIR, 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, flag, flags, ground, heading, humidity, latitude, level, long, longitude, longitudinal, measurements, meteorological, ocean, oceans, over, photosynthetically, PL_CRS, PL_HD, PL_SOW, PL_SOW2, PL_SPD, PL_WDIR, PL_WSPD, platform, practical, pressure, quality, RAD_LW, RAD_PAR, RAD_SW, radiation, relative, relative_humidity, salinity, science, sea, sea_water_electrical_conductivity, sea_water_practical_salinity, seawater, short, sikuliaq, skin, SPD, speed, SSPS, static, surface, temperature, time, time_of_day, transverse, TS2, vapor, water, wave, 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 Metadata_modification_date "07/27/2016 02:00:24 EDT";
    Float64 Northernmost_Northing 80.0;
    String platform "unknown at this time";
    String platform_version "unknown at this time";
    String receipt_order "01";
    String site "SIKULIAQ";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 10.0;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "date, shipName";
    String summary "SIKULIAQ Meteorological Data. Cruise data from Sikuliaq. Data from a local source.";
    String testOutOfDate "now-20days";
    String time_coverage_end "2019-09-20T23:59:00Z";
    String time_coverage_start "2015-04-07T00:00:00Z";
    String title "SIKULIAQ Meteorological Data (Cruise data from Sikuliaq)";
    Float64 Westernmost_Easting 0.0;
  }
}

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.