Hi Ed, I would like to remove the comment you added: > ceh3 needs an IF ( useTIMEAVE ) THEN > IF (taveFreq.NE.0.) THEN in few places in the code, since, in this case, taveFreq.NE.0. is equivalent to useTIMEAVE (but this variable does not exist). Is it OK like this ? Thanks, Jean-Michel