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Dataset Title:	IOS UBC Historical Data
Institution:	Institute of Ocean Sciences, 9860 West Saanich Road, Sidney, B.C., Canada (Dataset ID: IOS_UBC_profiles)
Range:	longitude = -156.9383 to -116.6167°E, latitude = 28.8333 to 73.35°N, depth = 0.0 to 3031.09m, time = 1951-05-16T15:42:00Z to 1989-12-20T06:40:00Z
Information:	Summary \| License \| 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 {
  profile {
    String cf_role "profile_id";
  }
  filename {
  }
  agency {
  }
  mission_id {
  }
  cruise {
  }
  project {
  }
  scientist {
  }
  platform_name {
  }
  instrument_type {
  }
  event_number {
  }
  geographical_area {
  }
  station {
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range -5.8789548e+8, 6.301392e+8;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    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 28.8333, 73.35;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -156.9383, -116.6167;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 3031.09;
    String axis "Z";
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String ioos_category "Location";
    String ios_name "depth";
    String long_name "Depth";
    String original_ios_name "DEPTH";
    String original_ios_variable "{0: '{\"ios_name\":\"DEPTH\",\"units\":\"metres\"}'}";
    String positive "down";
    String sdn_P02_urn "SDN:P02::AHGT";
    String sdn_parameter_name "Depth (spatial coordinate) relative to water surface in the water body";
    String sdn_parameter_urn "SDN:P01::ADEPZZ01";
    String standard_name "depth";
    String units "m";
  }
  TEMPPR01 {
    Float32 _FillValue NaN;
    Float32 actual_range -1.64, 24.3;
    String coordinates "latitude longitude time";
    String ios_name "temperature";
    String long_name "Temperature";
    String original_ios_name "Temperature";
    String original_ios_variable "{1: '{\"ios_name\":\"Temperature\",\"units\":\"Degrees_C\"}'}";
    String sdn_parameter_name "Temperature of the water body";
    String sdn_parameter_urn "SDN:P01::TEMPPR01";
    String standard_name "sea_water_temperature";
    String units "degrees_celsius";
  }
  TEMPP681 {
    String ios_name "temperature";
    String sdn_parameter_name "Temperature (IPTS-68) of the water body";
    String sdn_parameter_urn "SDN:P01::TEMPP681";
    String standard_name "sea_water_temperature";
    String units "degrees_celsius (IPTS68)";
  }
  TEMPS601 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.2, 23.3;
    String coordinates "latitude longitude time";
    String ios_name "temperature";
    String long_name "TEMPERATURE";
    String original_ios_name "TEMPERATURE";
    String original_ios_variable "{1: '{\"ios_name\":\"TEMPERATURE\",\"units\":\"DEG C (ITS 68)\"}'}";
    String sdn_parameter_name "Temperature (IPTS-68) of the water body by CTD or STD";
    String sdn_parameter_urn "SDN:P01::TEMPS601";
    String standard_name "sea_water_temperature";
    String units "degrees_celsius (IPTS68)";
  }
  TEMPS901 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.199952, 23.294409;
    String apply_func "lambda x: gsw.t90_from_t68(x)";
    String coordinates "latitude longitude time";
    String ios_name "temperature";
    String long_name "TEMPERATURE";
    String original_ios_name "TEMPERATURE";
    String original_ios_variable "{1: '{\"ios_name\":\"TEMPERATURE\",\"units\":\"DEG C (ITS 68)\"}'}";
    String sdn_parameter_name "Temperature (ITS-90) of the water body by CTD or STD";
    String sdn_parameter_urn "SDN:P01::TEMPS901";
    String source "gsw.t90_from_t68(TEMPS601)";
    String standard_name "sea_water_temperature";
    String units "degrees_celsius (ITS-90)";
  }
  Quality_Flag_Temp {
    Int32 _FillValue 0;
    Int32 actual_range 1, 5;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Temp";
    String original_ios_name "Quality_Flag:Temp";
    String original_ios_variable "{2: '{\"ios_name\":\"Quality_Flag:Temp\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  SSALST01 {
    Float32 actual_range 0.003, 2171.0;
    String ios_name "salinity: pre-1978";
    String long_name "Salinity  Pre-1978";
    String original_ios_name "Salinity: Pre-1978";
    String original_ios_variable "{3: '{\"ios_name\":\"Salinity: Pre-1978\",\"units\":\"PPT\"}'}";
    String sdn_parameter_name "Salinity of the water body by CTD";
    String sdn_parameter_urn "SDN:P01::SSALST01";
    String standard_name "sea_water_salinity";
    String units "PPT";
  }
  PSALST01 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0050042938, 2172.8342;
    String coordinates "latitude longitude time";
    String ios_name "salinity";
    String long_name "Sea Water Practical Salinity";
    String original_ios_name "SALINITY";
    String original_ios_variable "{3: '{\"ios_name\":\"SALINITY\",\"units\":\"PSS-78\"}'}";
    String sdn_parameter_name "Practical salinity of the water body by CTD and computation using UNESCO 1983 algorithm";
    String sdn_parameter_urn "SDN:P01::PSALST01";
    String standard_name "sea_water_practical_salinity";
    String units "PSS-78";
  }
  Quality_Flag_Sali {
    Int32 _FillValue 0;
    Int32 actual_range 1, 5;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Sali";
    String original_ios_name "Quality_Flag:Sali";
    String original_ios_variable "{4: '{\"ios_name\":\"Quality_Flag:Sali\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  CONDUCTIVITY_RATIO {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 0.9719;
    String coordinates "latitude longitude time";
    String ios_name "conductivity_ratio";
    String long_name "Sea Water Conductivity Ratio";
    String original_ios_name "CONDUCTIVITY_RATIO";
    String original_ios_variable "{2: '{\"ios_name\":\"CONDUCTIVITY_RATIO\",\"units\":null}'}";
    String units "n/a";
  }
  SIGTEQST {
    Float32 actual_range 0.07, 26.66;
    String long_name "Sigma-theta of the water body by CTD and computation from salinity and potential temperature using UNESCO algorithm";
    String original_ios_name "SIGMA-T";
    String original_ios_variable "{4: '{\"ios_name\":\"SIGMA-T\",\"units\":kg/m^3|n/a}'}";
    String sdn_parameter_name "Sigma-theta of the water body by CTD and computation from salinity and potential temperature using UNESCO algorithm";
    String sdn_parameter_urn "SDN:P01::SIGTPR01";
    String standard_name "sea_water_sigma_t";
    String units "kg/m^3";
  }
  DOXYZZ01 {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 16.34969;
    String coordinates "latitude longitude time";
    String ios_name "oxygen";
    String long_name "Oxygen concentration";
    String original_ios_name "OXYGEN";
    String original_ios_variable "{5: '{\"ios_name\":\"OXYGEN\",\"units\":\"ml\\\\/l\"}'}";
    String sdn_parameter_name "Concentration of oxygen {O2 CAS 7782-44-7} per unit volume of the water body [dissolved plus reactive particulate phase] by in-situ sensor";
    String sdn_parameter_urn "SDN:P01::DOXYZZ01";
    String sdn_uom_name "Millilitres per litre";
    String sdn_uom_urn "SDN:P06::UMLL";
    String standard_name "volume_fraction_of_oxygen_in_sea_water";
    String units "mL/L";
  }
  Quality_Flag_Oxyg {
    Float32 _FillValue 0.0;
    Float32 actual_range 1.0, 5.0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Oxyg";
    String original_ios_name "Quality_Flag:Oxyg";
    String original_ios_variable "{6: '{\"ios_name\":\"Quality_Flag:Oxyg\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  PHOSAAZX {
    Float32 actual_range 0.005, 16.8;
    String ios_name "phosphate";
    String long_name "Phosphate";
    String original_ios_name "Phosphate";
    String original_ios_variable "{7: '{\"ios_name\":\"Phosphate\",\"units\":\"mmol\\\\/m\"}'}";
    String sdn_parameter_name "Concentration of phosphate {PO43- CAS 14265-44-2} per unit volume of the water body [unknown phase] by colorimetric autoanalysis";
    String sdn_parameter_urn "SDN:P01::PHOSAAZX";
    String standard_name "mole_concentration_of_phosphate_in_sea_water";
    String units "umol/L";
  }
  Quality_Flag_Phos {
    Float32 _FillValue 0.0;
    Float32 actual_range 1.0, 4.0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Phos";
    String original_ios_name "Quality_Flag:Phos";
    String original_ios_variable "{8: '{\"ios_name\":\"Quality_Flag:Phos\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  NTRIZZXX {
    Float32 actual_range 0.0, 21.04;
    String ios_name "nitrite";
    String long_name "Nitrite";
    String original_ios_name "Nitrite";
    String original_ios_variable "{7: '{\"ios_name\":\"Nitrite\",\"units\":\"mmol\\\\/m\"}'}";
    String sdn_parameter_name "Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [unknown phase]";
    String sdn_parameter_urn "SDN:P01::NTRIZZXX";
    String standard_name "mole_concentration_of_nitrite_in_sea_water";
    String units "umol/L";
  }
  Quality_Flag_Nitr {
    Float32 _FillValue 0.0;
    Float32 actual_range 1.0, 4.0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Nitr";
    String original_ios_name "Quality_Flag:Nitr";
    String original_ios_variable "{8: '{\"ios_name\":\"Quality_Flag:Nitr\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  Vitamin_B12 {
    Float32 actual_range 1.97, 18.72;
    String ios_name "vitamin b12";
    String long_name "Vitamin B12";
    String original_ios_name "Vitamin B12";
    String original_ios_variable "{9: '{\"ios_name\":\"Vitamin B12\",\"units\":\"m-microg\\\\/l\"}'}";
    String units "m-microg/l";
  }
  Quality_Flag_Vita {
    Int32 _FillValue 0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Vita";
    String original_ios_name "Quality_Flag:Vita";
    String original_ios_variable "{10: '{\"ios_name\":\"Quality_Flag:Vita\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  SLCAZZXX {
    Float32 actual_range 1.0, 279.0;
    String ios_name "silicate";
    String sdn_parameter_name "Concentration of silicate {SiO44- CAS 17181-37-2} per unit volume of the water body [unknown phase]";
    String sdn_parameter_urn "SDN:P01::SLCAZZXX";
    String standard_name "mole_concentration_of_silicate_in_sea_water";
    String units "umol/L";
  }
  Quality_Flag_Sili {
    Float32 _FillValue 0.0;
    Float32 actual_range 1.0, 4.0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Sili";
    String original_ios_name "Quality_Flag:Sili";
    String original_ios_variable "{10: '{\"ios_name\":\"Quality_Flag:Sili\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  PHXXPR01 {
    Float32 actual_range 7.01, 8.55;
    String ios_name "ph";
    String long_name "pH";
    String original_ios_name "pH";
    String original_ios_variable "{11: '{\"ios_name\":\"pH\",\"units\":null}'}";
    String sdn_parameter_name "pH (unspecified scale) of the water body by pH electrode";
    String sdn_parameter_urn "SDN:P01::PHXXPR01";
    String standard_name "sea_water_ph_reported_on_total_scale";
  }
  Quality_Flag_pH {
    Float32 _FillValue 0.0;
    Float32 actual_range 1.0, 1.0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:pH";
    String original_ios_name "Quality_Flag:pH";
    String original_ios_variable "{12: '{\"ios_name\":\"Quality_Flag:pH\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  ALKYZZXX {
    Float32 actual_range 0.327, 3.36;
    String ios_name "alkalinity";
    String long_name "Alkalinity";
    String original_ios_name "Alkalinity";
    String original_ios_variable "{13: '{\"ios_name\":\"Alkalinity\",\"units\":\"mmol\\\\/m\"}'}";
    String sdn_parameter_name "Total alkalinity per unit volume of the water body";
    String sdn_parameter_urn "SDN:P01::ALKYZZXX";
    String standard_name "sea_water_alkalinity_expressed_as_mole_equivalent";
    String units "mmol/m";
  }
  Quality_Flag_Alka {
    Float32 _FillValue 0.0;
    Float32 actual_range 4.0, 4.0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Alka";
    String original_ios_name "Quality_Flag:Alka";
    String original_ios_variable "{14: '{\"ios_name\":\"Quality_Flag:Alka\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  Phosphate_inorg_ {
    Float32 _FillValue 0.0;
    Float32 actual_range 0.13, 14.9;
    String ios_name "phosphate(inorg)";
    String long_name "Phosphate(inorg)";
    String original_ios_name "Phosphate(inorg)";
    String original_ios_variable "{13: '{\"ios_name\":\"Phosphate(inorg)\",\"units\":\"mmol\\\\/m\"}'}";
    String standard_name "mole_concentration_of_phosphate_in_sea_water";
    String units "umol/L";
  }
  Quality_Flag_Phosphate_inorg {
    Float32 _FillValue 0.0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Alka";
    String original_ios_name "Quality_Flag:Alka";
    String original_ios_variable "{12: '{\"ios_name\":\"Quality_Flag:Phos\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
  SO4XCLP1 {
    Float32 actual_range 3.185, 23.943;
    String ios_name "sulphate so4";
    String long_name "Sulphate SO4";
    String original_ios_name "Sulphate SO4";
    String original_ios_variable "{15: '{\"ios_name\":\"Sulphate SO4\",\"units\":\"mol\\\\/m\"}'}";
    String sdn_parameter_name "Concentration of sulphate {SO4(2-) sulfate CAS 14808-79-8} per unit volume of the water body [dissolved plus reactive particulate <GF/F phase] by filtration and colorimetric autoanalysis";
    String sdn_parameter_urn "SDN:P01::SO4XCLP1";
    String units "mol/m";
  }
  Quality_Flag_Sulp {
    Float32 _FillValue 0.0;
    String flag_meanings "not_checked appears_to_be_good inconsistent_with_climatology appears_to_be_doubtful appears_to_be_wrong value_was_changed_see_history_record";
    Int32 flag_values 2147483647, 1, 2, 3, 4, 2147483647;
    String long_name "Quality_Flag:Sulp";
    String original_ios_name "Quality_Flag:Sulp";
    String original_ios_variable "{16: '{\"ios_name\":\"Quality_Flag:Sulp\",\"units\":\"IGOSS_flags\"}'}";
    String units "IGOSS_flags";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Profile";
    String cdm_profile_variables "agency,profile,filename,time,latitude,longitude,mission_id,event_number";
    String Conventions "COARDS, CF-1.7, ACDD-1.3";
    String country "Canada";
    String creator_country "Canada";
    String creator_email "info@dfo-mpo.gc.ca";
    String creator_institution "Institute of Ocean Sciences (IOS)";
    String creator_name "Institute of Ocean Sciences, 9860 West Saanich Road, Sidney, B.C., Canada";
    String creator_sector "gov_federal";
    String creator_type "institution";
    String creator_url "http://www.pac.dfo-mpo.gc.ca/science/oceans/data-donnees/index-eng.html";
    Float64 Easternmost_Easting -116.6167;
    String featureType "Profile";
    String geographic_area "None";
    Float64 geospatial_lat_max 73.35;
    Float64 geospatial_lat_min 28.8333;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -116.6167;
    Float64 geospatial_lon_min -156.9383;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 3031.09;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-04-19T15:28:56Z (local files)
2025-04-19T15:28:56Z https://pac-dev2.cioos.org/tabledap/IOS_UBC_profiles.das";
    Float64 ices_edmo_code 4155;
    String id "/data/ios_raw_files/ubc/8916/89160003.UBC";
    String infoUrl "http://www.pac.dfo-mpo.gc.ca/science/oceans/data-donnees/index-eng.html";
    String institution "Institute of Ocean Sciences, 9860 West Saanich Road, Sidney, B.C., Canada";
    String instrument_vocabulary "https://vocab.nerc.ac.uk/search_nvs/L22/";
    Float64 ioc_country_code 18;
    String iso_3166_country_code "CA";
    String keywords "b.c., canada, chemistry, concentration, conductivity, ctd, data, dataset, density, department, depth, dfo, dissolved, dissolved o2, division, DOXYZZ01, earth, Earth Science > Oceans > Ocean Chemistry > Oxygen, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Salinity, fisheries, institute, integrative, ios, mass, mass_concentration_of_oxygen_in_sea_water, O2, ocean, oceans, organismal, oxygen, practical, pre, pre-1978, pressure, quality, Quality_Flag_Oxyg, Quality_Flag_Sali, Quality_Flag_Temp, road, saanich, salinity, science, sciences, sea, sea_water_practical_salinity, sea_water_temperature, seawater, sidney, sonde, SSALST01, subsurfacesalinity, subsurfacetemperature, systems, temperature, TEMPPR01, ubc, water, west";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "canada open government license";
    String naming_authority "ca.gc.ios";
    Float64 Northernmost_Northing 73.35;
    String ocean_data_transform_version "0.3.0";
    String platform_vocabulary "https://vocab.nerc.ac.uk/search_nvs/C17/";
    String publisher_email "info@hakai.org";
    String publisher_name "Hakai Insitute";
    String publisher_type "person";
    String publisher_url "http://www.hakai.org";
    String sdn_institution_urn "SDN:EDMO::4155";
    String source "/data/ios_raw_files/ubc/8916/89160003.UBC";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 28.8333;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String subsetVariables "agency,project,mission_id,cruise,scientist,platform_name,instrument_type,event_number";
    String summary "This dataset contains observations made by the Institute of Ocean Sciences of Fisheries and Oceans (Department of Fisheries and Oceans (DFO)) from UBC";
    String time_coverage_end "1989-12-20T06:40:00Z";
    String time_coverage_start "1951-05-16T15:42:00Z";
    String title "IOS UBC Historical Data";
    Float64 Westernmost_Easting -156.9383;
  }
}

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.