netcdf files/g/ds277.9/ersst.v5.192305.nc {
  dimensions:
    lat = 89;
    lev = 1;
    lon = 180;
    time = 1;
  variables:
    double lat(lat=89);
      :units = "degrees_north";
      :long_name = "Latitude";
      :standard_name = "latitude";
      :axis = "Y";
      :comment = "Uniform grid from -88 to 88 by 2";

    double lev(lev=1);
      :units = "meters";
      :long_name = "Depth of sea surface temperature measurements";
      :standard_name = "depth";
      :axis = "Z";
      :positive = "down";
      :_CoordinateAxisType = "Height";
      :comment = "Actual measurement depth of in situ sea surface temperature varies from 0.2 to 10 m, but corrected to the nominal depth of buoy at 0.2 m";

    double lon(lon=180);
      :units = "degrees_east";
      :long_name = "Longitude";
      :standard_name = "longitude";
      :axis = "X";
      :comment = "Uniform grid from 0 to 358 by 2";

    float sst(time=1, lev=1, lat=89, lon=180);
      :_FillValue = -999.0f; // float
      :long_name = "Extended reconstructed sea surface temperature";
      :standard_name = "sea_surface_temperature";
      :units = "degree_C";
      :add_offset = 0.0f; // float
      :scale_factor = 1.0f; // float
      :valid_min = -3.0f; // float
      :valid_max = 45.0f; // float

    double time(time=1);
      :long_name = "Start time of month";
      :standard_name = "time";
      :axis = "T";
      :delta_t = "0000-01-00";
      :avg_period = "0000-01-00";
      :calendar = "360_day";
      :units = "minutes since 1923-05-01 00:00";

    float ssta(time=1, lev=1, lat=89, lon=180);
      :_FillValue = -999.0f; // float
      :long_name = "Extended reconstructed SST anomalies";
      :units = "degree_C";
      :add_offset = 0.0f; // float
      :scale_factor = 1.0f; // float
      :valid_min = -12.0f; // float
      :valid_max = 12.0f; // float

  // global attributes:
  :Conventions = "CF-1.6, ACDD-1.3";
  :metadata_link = "https://doi.org/10.7289/V5T72FNM";
  :id = "ersst.v5.192305";
  :naming_authority = "gov.noaa.ncei";
  :title = "NOAA ERSSTv5 (in situ only)";
  :summary = "ERSST.v5 is developped based on v4 after revisions of 8 parameters using updated data sets and advanced knowledge of ERSST analysis";
  :institution = "NOAA/NESDIS/NCEI/CCOG";
  :creator_name = "Boyin Huang";
  :creator_email = "boyin.huang@noaa.gov";
  :date_created = "2017-06-30T12:18:00Z";
  :date_modified = "2017-06-30T12:18:00Z";
  :product_version = "Version 5";
  :history = "Fri Jun 30 12:28:31 2017: ncatted -O -a _FillValue,ssta,o,f,-999.0 ssta.nc\nVersion 5 based on Version 4";
  :creator_url = "https://www.ncei.noaa.gov";
  :license = "No constraints on data access or use";
  :time_coverage_start = "1923-05-01T00:00:00Z";
  :time_coverage_end = "1923-06-01T00:00:00Z";
  :geospatial_lon_min = -1.0f; // float
  :geospatial_lon_max = 359.0f; // float
  :geospatial_lat_min = -89.0f; // float
  :geospatial_lat_max = 89.0f; // float
  :geospatial_lat_units = "degrees_north";
  :geospatial_lat_resolution = 2.0f; // float
  :geospatial_lon_units = "degrees_east";
  :geospatial_lon_resolution = 2.0f; // float
  :spatial_resolution = "2.0 degree grid";
  :cdm_data_type = "Grid";
  :processing_level = "NOAA Level 4";
  :standard_name_vocabulary = "CF Standard Name Table (v40, 25 January 2017)";
  :keywords = "Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature";
  :keywords_vocabulary = "NASA Global Change Master Directory (GCMD) Science Keywords";
  :project = "NOAA Extended Reconstructed Sea Surface Temperature (ERSST)";
  :platform = "Ship and Buoy SSTs from ICOADS R3.0 and NCEP GTS";
  :instrument = "Conventional thermometers";
  :source = "In situ data: ICOADS R3.0 before 2015, NCEP in situ GTS from 2016 to present, and Argo SST from 1999 to present. Ice data: HadISST2 ice before 2015, and NCEP ice after 2015.";
  :comment = "SSTs were observed by conventional thermometers in Buckets (in sulated or un-insulated canvas and wooded buckets), Engine Room Intakers, or floats and drifters";
  :references = "Huang et al, 2017: Extended Reconstructed Sea Surface Temperatures Version 5 (ERSSTv5): Upgrades, Validations, and Intercomparisons. Journal of Climate, https://doi.org/10.1175/JCLI-D-16-0836.1";
  :climatology = "Climatology is based on 1971-2000 SST, Xue, Y., T. M. Smith, and R. W. Reynolds, 2003: Interdecadal changes of 30-yr SST normals during 1871.2000. Journal of Climate, 16, 1601-1612.";
}