Listado del total de dias con datos de precipitaciones
 MENDOZA             MENDOZA OBS                
 nro smn:  132 nro OMM:  87420
 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  23  29   1   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  20  30  31