      LOGICAL FUNCTION MUSIM_SUM()
C----------------------------------------------------------------------
C-
C-   Purpose and Methods : 
C-
C-   Inputs  : 
C-   Outputs : 
C-   Controls: 
C-
C-   Created  15-OCT-1992   Kamel A. Bazizi
C-
C----------------------------------------------------------------------
      IMPLICIT NONE
      LOGICAL FIRST
      DATA FIRST/.TRUE./
C
      MUSIM_SUM=.FALSE.
C
      MUSIM_SUM=.TRUE.
C----------------------------------------------------------------------
  999 RETURN
      END
