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  <attribute name="Conventions" value="CF-1.6, ACDD-1.3" />
  <attribute name="metadata_link" value="https://doi.org/10.7289/V5T72FNM" />
  <attribute name="id" value="ersst.v5.201403" />
  <attribute name="naming_authority" value="gov.noaa.ncei" />
  <attribute name="title" value="NOAA ERSSTv5 (in situ only)" />
  <attribute name="summary" value="ERSST.v5 is developped based on v4 after revisions of 8 parameters using updated data sets and advanced knowledge of ERSST analysis" />
  <attribute name="institution" value="NOAA/NESDIS/NCEI/CCOG" />
  <attribute name="creator_name" value="Boyin Huang" />
  <attribute name="creator_email" value="boyin.huang@noaa.gov" />
  <attribute name="date_created" value="2019/03/03" />
  <attribute name="date_modified" value="2019/03/03" />
  <attribute name="product_version" value="Version 5" />
  <attribute name="history" value="Sun Mar  3 13:13:04 2019: ncatted -O -a _FillValue,ssta,o,f,-999.0 ssta.nc&#xA;Version 5 based on Version 4" />
  <attribute name="creator_url" value="https://www.ncei.noaa.gov" />
  <attribute name="license" value="No constraints on data access or use" />
  <attribute name="time_coverage_start" value="2014-03-01T00:00:00Z" />
  <attribute name="time_coverage_end" value="2014-04-01T00:00:00Z" />
  <attribute name="geospatial_lon_min" type="float" value="-1.0" />
  <attribute name="geospatial_lon_max" type="float" value="359.0" />
  <attribute name="geospatial_lat_min" type="float" value="-89.0" />
  <attribute name="geospatial_lat_max" type="float" value="89.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lat_resolution" type="float" value="2.0" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="geospatial_lon_resolution" type="float" value="2.0" />
  <attribute name="spatial_resolution" value="2.0 degree grid" />
  <attribute name="cdm_data_type" value="Grid" />
  <attribute name="processing_level" value="NOAA Level 4" />
  <attribute name="standard_name_vocabulary" value="CF Standard Name Table (v40, 25 January 2017)" />
  <attribute name="keywords" value="Earth Science &gt; Oceans &gt; Ocean Temperature &gt; Sea Surface Temperature" />
  <attribute name="keywords_vocabulary" value="NASA Global Change Master Directory (GCMD) Science Keywords" />
  <attribute name="project" value="NOAA Extended Reconstructed Sea Surface Temperature (ERSST)" />
  <attribute name="platform" value="Ship and Buoy SSTs from ICOADS R3.0 and NCEP GTS" />
  <attribute name="instrument" value="Conventional thermometers" />
  <attribute name="source" value="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." />
  <attribute name="comment" value="SSTs were observed by conventional thermometers in Buckets (in sulated or un-insulated canvas and wooded buckets), Engine Room Intakers, or floats and drifters" />
  <attribute name="references" value="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" />
  <attribute name="climatology" value="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." />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="lat" length="89" />
  <dimension name="lev" length="1" />
  <dimension name="lon" length="180" />
  <dimension name="time" length="1" />
  <group name="CFMetadata">
    <attribute name="geospatial_lon_min" value=".0" type="float" />
    <attribute name="geospatial_lat_min" value="-88.0" type="float" />
    <attribute name="geospatial_lon_max" value="358.0" type="float" />
    <attribute name="geospatial_lat_max" value="88.0" type="float" />
    <attribute name="geospatial_lon_units" value="degrees_east" />
    <attribute name="geospatial_lat_units" value="degrees_north" />
    <attribute name="geospatial_lon_resolution" value="2.0" />
    <attribute name="geospatial_lat_resolution" value="2.0" />
    <attribute name="geospatial_vertical_min" value="0.0" />
    <attribute name="geospatial_vertical_max" value="0.0" />
    <attribute name="geospatial_vertical_units" value="meters" />
    <attribute name="geospatial_vertical_resolution" value="0.0" />
    <attribute name="geospatial_vertical_positive" value="down" />
    <attribute name="time_coverage_start" value="2014-03-01T00:00:00Z" />
    <attribute name="time_coverage_end" value="2014-03-01T00:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="0.0" />
    <attribute name="time_coverage_duration" value="P0Y0M0DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-04-04" />
    <attribute name="nciso_version" value="2.4.7" />
  </group>
  <variable name="sst" shape="time lev lat lon" type="float">
    <attribute name="_FillValue" type="float" value="-999.0" />
    <attribute name="long_name" value="Extended reconstructed sea surface temperature" />
    <attribute name="standard_name" value="sea_surface_temperature" />
    <attribute name="units" value="degree_C" />
    <attribute name="valid_min" type="float" value="-3.0" />
    <attribute name="valid_max" type="float" value="45.0" />
  </variable>
  <variable name="ssta" shape="time lev lat lon" type="float">
    <attribute name="_FillValue" type="float" value="-999.0" />
    <attribute name="long_name" value="Extended reconstructed SST anomalies" />
    <attribute name="units" value="degree_C" />
    <attribute name="valid_min" type="float" value="-12.0" />
    <attribute name="valid_max" type="float" value="12.0" />
  </variable>
  <variable name="lat" shape="lat" type="double">
    <attribute name="units" value="degrees_north" />
    <attribute name="long_name" value="Latitude" />
    <attribute name="standard_name" value="latitude" />
    <attribute name="axis" value="Y" />
    <attribute name="comment" value="Uniform grid from -88 to 88 by 2" />
    <attribute name="_CoordinateAxisType" value="Lat" />
  </variable>
  <variable name="lev" shape="lev" type="double">
    <attribute name="units" value="meters" />
    <attribute name="long_name" value="Depth of sea surface temperature measurements" />
    <attribute name="standard_name" value="depth" />
    <attribute name="axis" value="Z" />
    <attribute name="positive" value="down" />
    <attribute name="_CoordinateAxisType" value="Height" />
    <attribute name="comment" value="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" />
    <attribute name="_CoordinateZisPositive" value="down" />
  </variable>
  <variable name="lon" shape="lon" type="double">
    <attribute name="units" value="degrees_east" />
    <attribute name="long_name" value="Longitude" />
    <attribute name="standard_name" value="longitude" />
    <attribute name="axis" value="X" />
    <attribute name="comment" value="Uniform grid from 0 to 358 by 2" />
    <attribute name="_CoordinateAxisType" value="Lon" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="Start time of month" />
    <attribute name="standard_name" value="time" />
    <attribute name="axis" value="T" />
    <attribute name="delta_t" value="0000-01-00" />
    <attribute name="avg_period" value="0000-01-00" />
    <attribute name="calendar" value="360_day" />
    <attribute name="units" value="minutes since 2014-03-01 00:00" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
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