Attributes { NC_GLOBAL { String title "MERRA-2 instM_2d_gas_Nx: 2d,Monthly Mean,Single-Level,Assimilation,Aerosol Optical Depth Analysis V5.12.4"; String Conventions "COARDS", "GrADS"; String dataType "Grid"; String history "Thu May 02 12:34:22 GMT 2024 : imported by GrADS Data Server 2.2"; } aodana { String units "1"; Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "aerosol optical depth analysis 1 "; } aodinc { String units "1"; Float32 _FillValue 1.0E15; Float32 missing_value 1.0E15; String long_name "aerosol optical depth analysis increment 1 "; } lon { String grads_dim "x"; String grads_mapping "linear"; String grads_size "576"; String units "degrees_east"; String long_name "longitude"; Float64 minimum -180.00000000000; Float64 maximum 179.37500000000; Float32 resolution 0.625; } lat { String grads_dim "y"; String grads_mapping "linear"; String grads_size "361"; String units "degrees_north"; String long_name "latitude"; Float64 minimum -90.00000000000; Float64 maximum 90.00000000000; Float32 resolution 0.5; } time { String grads_dim "t"; String grads_mapping "linear"; String grads_size "529"; String grads_min "00z01jan1980"; String grads_step "1mo"; String units "days since 1970-1-1 00:00:0.0"; String long_name "time"; String minimum "00z01jan1980"; String maximum "00z01jan2024"; Float32 resolution 30.4375; } }