netcdf Mesonet_QARTOD/XAGU/xagu_160501-160601.nc {
  dimensions:
    time = 8919;
    name_strlen = 4;
  variables:
    double time(time=8919);
      :units = "days since 1970-01-01 00:00:00 +0:00";
      :standard_name = "time";
      :long_name = "time of measurement";
      :_ChunkSizes = 8919U; // uint

    float lat;
      :units = "degree_north";
      :standard_name = "latitude";
      :long_name = "station latitude";

    float lon;
      :units = "degree_east";
      :standard_name = "longitude";
      :long_name = "station longitude";

    char station(name_strlen=4);
      :name = "XAGU";
      :long_name = "XAGU";
      :short_name = "XAGU";
      :cf_role = "timeseries_id";
      :standard_name = "station_name";
      :_ChunkSizes = 4U; // uint

    float AvrgWS(time=8919);
      :units = "knots";
      :standard_name = "wind_speed";
      :source = "RM YOUNG MODEL 5103";
      :comment = "5 min average based on 5 sec samples";
      :coordinates = "time lon lat";
      :long_name = "average wind speed";
      :coverage_content_type = "physicalMeasurement";
      :ancillary_variables = "AvrgWS_qc";
      :_ChunkSizes = 8919U; // uint

    float GustWS(time=8919);
      :ancillary_variables = "GustWS_qc";
      :long_name = "wind gust speed";
      :coverage_content_type = "physicalMeasurement";
      :units = "knots";
      :standard_name = "wind_speed_of_gust";
      :source = "RM YOUNG MODEL 5103";
      :coordinates = "time lon lat";
      :_ChunkSizes = 8919U; // uint

    float DirWS(time=8919);
      :ancillary_variables = "DirWS_qc";
      :long_name = "wind from direction";
      :coverage_content_type = "physicalMeasurement";
      :units = "degree_true";
      :standard_name = "wind_from_direction";
      :source = "RM YOUNG MODEL 5103";
      :coordinates = "time lon lat";
      :_ChunkSizes = 8919U; // uint

    float AirTemp(time=8919);
      :long_name = "air temperature";
      :coverage_content_type = "physicalMeasurement";
      :units = "degree_Fahrenheit";
      :standard_name = "air_temperature";
      :source = "Sensiron SHT-75";
      :coordinates = "time lon lat";
      :_ChunkSizes = 8919U; // uint

    float AtmPres(time=8919);
      :long_name = "barometric pressure";
      :coverage_content_type = "physicalMeasurement";
      :units = "millibars";
      :standard_name = "air_pressure";
      :source = "WeatherFlow Custom 0.1 mb accuracy";
      :coordinates = "time lon lat";
      :_ChunkSizes = 8919U; // uint

    float RelHum(time=8919);
      :long_name = "relative humidity";
      :coverage_content_type = "physicalMeasurement";
      :units = "%";
      :standard_name = "relative_humidity";
      :source = "Sensiron SHT-75";
      :coordinates = "time lon lat";
      :_ChunkSizes = 8919U; // uint

    byte AvrgWS_qc(time=8919);
      :flag_values = 1B, 2B, 3B, 4B, 9B; // byte
      :standard_name = "aggregate_quality_flag";
      :flag_meanings = "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
      :references = "https://ioos.noaa.gov/project/qartod/";
      :long_name = "AvrgWS QARTOD aggregate quality flag";
      :comment = "QARTOD aggregate of: timing_gap (first record after a >30 min reporting gap = suspect), syntax (stored value finite), location (station inside PR/USVI box), flat_line (ioos_qc.qartod.flat_line_test; DirWS flat runs only flagged where AvrgWS+GustWS are simultaneously flat/stuck, since steady trades hold a constant bearing), stuck_sensor (AvrgWS and GustWS jointly frozen, brief interruptions bridged: both 0 for >=1h suspect / >=3h fail; both frozen non-zero >=3h suspect / >=6h fail). No gross-range test (real hurricane winds exceed generic bounds; WeatherFlow runs upstream QA/QC). Worst test result wins; missing value = 9. Applied 2026-08 by qartod_apply.py.";

    byte GustWS_qc(time=8919);
      :references = "https://ioos.noaa.gov/project/qartod/";
      :long_name = "GustWS QARTOD aggregate quality flag";
      :comment = "QARTOD aggregate of: timing_gap (first record after a >30 min reporting gap = suspect), syntax (stored value finite), location (station inside PR/USVI box), flat_line (ioos_qc.qartod.flat_line_test; DirWS flat runs only flagged where AvrgWS+GustWS are simultaneously flat/stuck, since steady trades hold a constant bearing), stuck_sensor (AvrgWS and GustWS jointly frozen, brief interruptions bridged: both 0 for >=1h suspect / >=3h fail; both frozen non-zero >=3h suspect / >=6h fail). No gross-range test (real hurricane winds exceed generic bounds; WeatherFlow runs upstream QA/QC). Worst test result wins; missing value = 9. Applied 2026-08 by qartod_apply.py.";
      :flag_values = 1B, 2B, 3B, 4B, 9B; // byte
      :flag_meanings = "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
      :standard_name = "aggregate_quality_flag";

    byte DirWS_qc(time=8919);
      :flag_values = 1B, 2B, 3B, 4B, 9B; // byte
      :flag_meanings = "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
      :standard_name = "aggregate_quality_flag";
      :references = "https://ioos.noaa.gov/project/qartod/";
      :long_name = "DirWS QARTOD aggregate quality flag";
      :comment = "QARTOD aggregate of: timing_gap (first record after a >30 min reporting gap = suspect), syntax (stored value finite), location (station inside PR/USVI box), flat_line (ioos_qc.qartod.flat_line_test; DirWS flat runs only flagged where AvrgWS+GustWS are simultaneously flat/stuck, since steady trades hold a constant bearing), stuck_sensor (AvrgWS and GustWS jointly frozen, brief interruptions bridged: both 0 for >=1h suspect / >=3h fail; both frozen non-zero >=3h suspect / >=6h fail). No gross-range test (real hurricane winds exceed generic bounds; WeatherFlow runs upstream QA/QC). Worst test result wins; missing value = 9. Applied 2026-08 by qartod_apply.py.";

  // global attributes:
  :title = "XAGU CariCOOS-WeatherFlow Meteorological Station";
  :institution = "CariCOOS (Caribbean IOOS)";
  :source = "Aguadilla Jetty - northwest Puerto Rico";
  :featureType = "timeSeries";
  :cdm_data_type = "Station";
  :longitude = -67.15663; // double
  :latitude = 18.43295; // double
  :missing_value = NaN; // double
  :creation_date = "15-Sep-2017 16:54:01 -4:00";
  :Conventions = "CF-1.6, ACDD-1.3, IOOS-1.2";
  :naming_authority = "org.caricoos";
  :infoUrl = "https://www.caricoos.org";
  :license = "These data may be redistributed and used without restriction. Data are provided as-is with no guarantee of quality; please acknowledge CARICOOS.";
  :creator_name = "CARICOOS (Caribbean Coastal Ocean Observing System)";
  :creator_institution = "CARICOOS (Caribbean Coastal Ocean Observing System)";
  :creator_email = "dmac@caricoos.org";
  :creator_url = "https://www.caricoos.org";
  :creator_sector = "academic";
  :creator_type = "institution";
  :creator_country = "USA";
  :publisher_name = "CARICOOS (Caribbean Coastal Ocean Observing System)";
  :publisher_institution = "CARICOOS (Caribbean Coastal Ocean Observing System)";
  :publisher_email = "dmac@caricoos.org";
  :publisher_url = "https://www.caricoos.org";
  :publisher_country = "USA";
  :project = "CARICOOS Mesonet";
  :standard_name_vocabulary = "CF Standard Name Table v93";
  :keywords = "EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > SURFACE WINDS, EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > SURFACE TEMPERATURE, EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE > SURFACE PRESSURE, EARTH SCIENCE > ATMOSPHERE > PRECIPITATION";
  :keywords_vocabulary = "GCMD Science Keywords";
  :platform = "fixed";
  :time_coverage_resolution = "PT5M";
  :date_metadata_modified = "2026-08-21T15:39:31Z";
  :id = "xagu_160501-160601";
  :platform_name = "XAGU - Aguadilla Jetty - northwest Puerto Rico";
  :summary = "Surface meteorological observations (wind speed, gust, direction, air temperature, barometric pressure) from CARICOOS WeatherFlow mesonet station XAGU at Aguadilla Jetty - northwest Puerto Rico. 5-minute reporting interval.";
  :time_coverage_start = "2016-05-01T03:59:59Z";
  :time_coverage_end = "2016-06-01T03:59:59Z";
  :time_coverage_duration = "P31DT0H";
  :geospatial_lat_min = 18.43294906616211; // double
  :geospatial_lat_max = 18.43294906616211; // double
  :geospatial_lon_min = -67.15663146972656; // double
  :geospatial_lon_max = -67.15663146972656; // double
  :geospatial_bounds = "POINT (-67.15663146972656 18.43294906616211)";
  :geospatial_bounds_crs = "EPSG:4326";
  :date_created = "15-Sep-2017 16:54:01 -4:00";
  :processing_level = "Quality controlled by the data provider (WeatherFlow, Inc.) prior to distribution.";
  :contributor_name = "WeatherFlow, Inc.";
  :contributor_role = "DataCollector";
  :contributor_role_vocabulary = "DataCite Metadata Schema Contributor Types (https://schema.datacite.org/)";
  :contributor_url = "https://weatherflow.com";
  :acknowledgment = "CARICOOS is the IOOS regional association for the Caribbean, funded by the NOAA IOOS Program. Station operation, data collection, and quality control by WeatherFlow, Inc. under contract to CARICOOS.";
  :history = "2026-08: archive consolidated 2009-2026 (production history merged, Hurricane Maria window recovered from WeatherFlow API); AccumPrec added to precip-station files; ACDD-1.3/IOOS-1.2 discovery metadata added. Original data: WeatherFlow, Inc. via CARICOOS pipeline.; QARTOD wind QC flags (timing_gap,syntax,location,flat_line) applied 2026-08; QARTOD wind QC flags (timing_gap,syntax,location,flat_line,gross_range) applied 2026-08; QARTOD wind QC flags (timing_gap,syntax,location,flat_line,gross_range,zero_wind) applied 2026-08; QARTOD wind QC flags (timing_gap,syntax,location,flat_line,stuck_sensor) applied 2026-08";
  :comment = "Contact: Edward Cruz-Garcia (edward.cruz1@upr.edu)";
}