Change default value for 'nowsta' argument
Determine boolean value for 'updat' object
Generate a list of SEA.DAT files that are available in folder
Determine number of SEA.DAT files available in folder
Determine boolean value for the 'clddat' object
Remove redundant statements for determining 'seadat' value
Set the number of overweater stations available in wd
Determine whether one or several MM4/MM5/3D.DAT files exist
Determine whether one or several IGF-CALMET.DAT files exist