netcdf files/d541001/clim.1x1/longrad.nc {
  dimensions:
    mon = 12;
    npoint = 42164;
  variables:
    short mon(mon=12);
      :long_name = "month";

    short lat(npoint=42164);
      :long_name = "latitude of nth point";
      :units = "degrees_north";
      :add_offset = -90.5f; // float
      :valid_range = 1S, 180S; // short

    short lon(npoint=42164);
      :long_name = "longitude of nth point";
      :units = "degrees_east";
      :add_offset = -0.5f; // float
      :valid_range = 1S, 360S; // short

    short clm(mon=12, npoint=42164);
      :long_name = "1945-89 climatology for each month";
      :units = "watt/meter2         ";
      :scale_factor = 0.01f; // float
      :add_offset = 150.0f; // float
      :valid_range = -16619S, 4673S; // short

  // global attributes:
  :source = "University of Wisconsin-Milwaukee Version 1.06 of 02/11/93                      ";
  :title = "outgoing longwave radiation$";
}