"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
01073587	1996	     	     	     	     	     	  0.49	  1.12	  0.16	  0.42	  9.49	  3.75	  8.60
01073587	1997	  3.72	  3.82	  4.87	  9.10	  3.62	  0.79	  0.19	  0.04	  0.04