"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
01031450	1997	     	     	     	     	     	     	  0.32	  0.76	  1.16	  0.81	  5.70	  1.52
01031450	1998	  1.79	  5.28	 18.84	 21.88	  8.13	 15.15	  3.59	  0.49	  0.36