"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
173651	1970	    	    	    	    	    	    	    	    	    	    	    	    
173651	1971	    	    	    	    	    	    	    	    	    	    	    	    
173651	1972	    	    	    	    	    	    	    	    	    	    	    	    
173651	1973	    	    	    	    	    	    	    	    	   87	   41	   87	  183
173651	1974	   59	   34	   73	  146	  114	   98	   69	   60	  100	   36	   89	   59
173651	1975	   67	   46	   70	   41	   43	  134	   98	   25	  115	   80	  130	  112
173651	1976	  108	  118	   76	  123	  140	   72	  156	  149	   66	  134	   65	  122
173651	1977	   63	   80	   65	   49	   25	  238	   34	  125	  122	    	    	    
173651	1978	    	    	    	    	    	    	    	    	    	    	    	    
173651	1979	    	    	    	    	    	    	    	    	    	    	    	    
173651	1980	    	    	    	    	    	    	    	    	    	    	    	    
173651	1981	    	    	    	    	    	    	    	    	    	    	    	    
173651	1982	    	    	    	    	    	    	    	    	    	    	    	    
173651	1983	    	    	    	    	    	    	    	    	    	    	    	    
173651	1984	    	    	    	    	    	    	    	    	    	    	    	    
173651	1985	    	    	    	    	    	    	    	    	    	    	    	    
173651	1986	    	    	    	    	    	    	    	    	    	    	    	    
173651	1987	    	    	    	    	    	    	    	    	    	    	    	    
173651	1988	    	    	    	    	    	    	    	    	    	    	    	    
173651	1989	    	    	    	    	    	    	    	    	    	    	    	    
173651	1990	    	    	    	    	    	    	    	    	    	    	    	    
173651	1991	    	    	    	    	    	    	    	    	    	    	    	    
173651	1992	    	    	    	    	    	    	    	    	    	    	    	    
173651	1993