Attributes {
    NC_GLOBAL {
        String title "NCEP/NCAR Reanalysis Monthly 500mb Height Anomalies (interpolated)";
        String Conventions "COARDS", "GrADS";
        String dataType "Grid";
        String history "Tue Jun 10 17:20:33 EDT 2008 : imported by GrADS Data Server 1.3";
    }
    lon {
        String grads_dim "x";
        String grads_mapping "linear";
        String grads_size "360";
        String units "degrees_east";
        String long_name "longitude";
        Float64 minimum 0;
        Float64 maximum 359;
        Float32 resolution 1.0;
    }
    lat {
        String grads_dim "y";
        String grads_mapping "linear";
        String grads_size "181";
        String units "degrees_north";
        String long_name "latitude";
        Float64 minimum -90;
        Float64 maximum 90;
        Float32 resolution 1.0;
    }
    time {
        String grads_dim "t";
        String grads_mapping "linear";
        String grads_size "624";
        String grads_min "00z01jan1948";
        String grads_step "1mo";
        String units "days since 1-1-1 00:00:0.0";
        String long_name "time";
        String minimum "00z01jan1948";
        String maximum "00z01dec1999";
        Float32 resolution 30.436598;
    }
    lev {
        String grads_dim "z";
        String grads_mapping "linear";
        String units "millibar";
        String long_name "altitude";
        Float64 minimum 500;
        Float64 maximum 500;
    }
    z5a {
        Float32 _FillValue -9.99E33;
        Float32 missing_value -9.99E33;
        String long_name "monthly 500mb height anomalies ";
    }
}