Attributes { Y { String standard_name "latitude"; Float32 pointwidth 0.25; Int32 gridtype 0; String units "degree_north"; } X { String standard_name "longitude"; Float32 pointwidth 0.25; Int32 gridtype 0; String units "degree_east"; } TRMAX { String units "m"; String long_name "maximum tide range"; Float32 missing_value 9999.9902; } NC_GLOBAL { String Conventions "IRIDL"; } }