   File format : NetCDF
    -1 : Institut Source   T Steptype Levels Num    Points Num Dtype : Parameter name
     1 : unknown  unknown  v instant     105   1         1   1  F32  : O3            
   Grid coordinates :
     1 : generic                  : points=1
   Vertical coordinates :
     1 : pressure                 : levels=105
                            level : 0.5000001 to 105000 Pa
   Time coordinate :  1 step
     RefTime =  1850-01-01 00:00:00  Units = months  Calendar = standard
  YYYY-MM-DD hh:mm:ss  YYYY-MM-DD hh:mm:ss  YYYY-MM-DD hh:mm:ss  YYYY-MM-DD hh:mm:ss
  1850-01-01 00:00:00
