Listado del total de dias con datos de precipitaciones
 CORRIENTES          BELLA VISTA INTA           
 nro smn:  67 nro OMM:  87276
 AñoxMes  1   2   3   4   5   6   7   8   9  10  11  12
 ----------------------------------------------------------
1988      0   0   0   0   0   0   0   0   0   0   0   0
1989      0   0   0   0   0   0   0   0   0   0   0   0
1990      0   0   0   0   0   0   0   0   0   0   0   0
1991      0   0   0   0   0   0   0   0   0   0   0   0
1992     31  29  31  30  31  30  31  31  30  31  30  31
1993     31  28  31  30  31  30  31  31  30  31  30  31
1994     31  28  31  30   0   0   0   0   0   0   0   0
1995      0   0   0   0   0   0   0   0   0   0   0   0
1996      0   0   0   0   0   0   0   0   0   0   0   0
1997      0   0   0   0   0   0   0   0   0   0   0   0
1998      0   0   0   0   0   0   0   0   0   0   0   0
1999      0   0   0   0   0   0   0   0   0   0   0   0
2000      0   0   0   0   0   0   0   0   0   0   0   0
2001      0   0   0   0   0   0   0   0   0   0   0   0
2002      0   0   0   0   0   0   0   0   0   0   0   0