"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
190551	1970	  241	  152	    	    	    	    	    	    	    	    	    	    
190551	1971	   28	    	    	    	    	    	    	    	    	    	   25	   25
190551	1972	   10	    	  102	   13	    	    	    	    	    	    	    	    
190551	1973	    	    	    	    	    	    	    	    	    	    	    	    
190551	1974	  343	  371	    	   51	    	    	    	    	    	    	   51	    
190551	1975	    	  249	    	   76	    	    	    	    	    	    	    	  254
190551	1976	  432	    	  102	    	    	    	    	    	    	    	    	  132
190551	1977	  683	  104	  152	    	    	    	    	    	    	    	   25	  109
190551	1978	  612	  508	  356	    	    	    	    	    	    	    	    	    
190551	1979	   51	    	    	    	    	    	    	    	    	    	    	    
190551	1980	    	   89	    	    	    	    	    	    	    	    	    	   89
190551	1981	  510	    	    5	    	    	    	    	    	    	    	    	  381
190551	1982	  419	  152	   71	  356	    	    	    	    	    	    	    	  130
190551	1983	    	  615	    	    	    	    	    	    	    	    	    	  109
190551	1984	  305	    	  203	    	    	    	    	    	    	    	    8	    
190551	1985	  315	  254	   43	    	    	    	    	    	    	    	    	   43
190551	1986	    	  259	    	    	    	    	    	    	    	    	    	  109
190551	1987	    	  135	    	    	    	    	    	    	    	    	    	    
190551	1988	  394	  330	   91	    	    	    	    	    	    	    	    	   89
190551	1989	    	  356	   64	    	    	    	    	    	    	    	  178	  216
190551	1990	  190	  356	  130	    	    	    	    	    	    	    	    	    
190551	1991	    	    	    	    	    	    	    	    	    	    	    	    
190551	1992	   91	   25	  231	    	    	    	    	    	    	    	    	    
190551	1993