"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
274303	1970	    	    	    	    	    	    	    	    	    	    	    	    
274303	1971	    	    	    	    	    	    	    	    	    	    	    	    
274303	1972	    	    	    	    	    	    	    	    	    	    	    	    
274303	1973	    	    	    	    	    	    	    	    	    	    	    	    
274303	1974	    	    	    	    	    	    	    	    	    	    	    	    
274303	1975	    	    	    	    	    	    	    	    	    	    	    	    
274303	1976	    	    	    	    	    	    	    	    	    	    	    	    
274303	1977	    	    	    	    	    	    	    	    	    	    	    	    
274303	1978	    	    	    	    	    	    	    	    	    	    	    	    
274303	1979	    	    	    	    	    	    	    	    	    	    	    	    
274303	1980	    	    	    	    	    	    	    	    	    	    	    	    
274303	1981	    	    	    	    	    	    	    	    	    	    	    	    
274303	1982	    	    	    	    	    	    	    	    	    	    	    	    
274303	1983	    	    	    	    	    	    	    	    	    	    	    	    
274303	1984	    	    	    	    	    	    	    	    	    	    	    	    
274303	1985	    	    	    	    	    	    	    	    	    	    	    	    
274303	1986	    	    	    	    	    	    	    	    	    	    	    	    
274303	1987	    	    	    	    	    	    	    	    	    	    	    	    
274303	1988	    	    	    	    	    	    	    	    	    	    	    	    
274303	1989	    	    	    	    	    	    	    	    	    	    	    	    
274303	1990	    	    	    	    	    	    	    	    	    	    	    	    
274303	1991	    	    	    	    	    	    	    	    	    	    	    	    
274303	1992	    	    	    	    	    	    	    	    	    	    	    	    
274303	1993	    	    	    	   98	   25	   72	   78	   74	  145	   84	  117	  122