"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
273656	1970	   31	  142	  102	    	    	   71	   45	   89	  105	   75	  114	  117
273656	1971	    	    	    	   64	    	    	    	    	    	    	    	    
273656	1972	    	    	    	    	    	    	    	    	    	    	    	    
273656	1973	    	    	    	    	    	    	    	    	    	    	    	    
273656	1974	    	    	    	    	    	    	    	    	    	    	    	    
273656	1975	    	    	    	    	    	    	    	    	    	    	    	    
273656	1976	    	    	    	    	    	    	    	    	    	    	    	    
273656	1977	    	    	    	    	    	    	    	    	    	    	    	    
273656	1978	    	    	    	    	    	    	    	    	    	    	    	    
273656	1979	    	    	    	    	    	    	    	    	    	    	    	    
273656	1980	    	    	    	    	    	    	    	    	    	    	    	    
273656	1981	    	    	    	    	    	    	    	    	    	    	    	    
273656	1982	    	    	    	    	    	    	    	    	    	    	    	    
273656	1983	    	    	    	    	    	    	    	    	    	    	    	    
273656	1984	    	    	    	    	    	    	    	    	    	    	    	    
273656	1985	    	    	    	    	    	    	    	    	    	    	    	    
273656	1986	    	    	    	    	    	    	    	    	    	    	    	    
273656	1987	    	    	    	    	    	    	    	    	    	    	    	    
273656	1988	    	    	    	    	    	    	    	    	    	    	    	    
273656	1989	    	    	    	    	    	    	    	    	    	    	    	    
273656	1990	    	    	    	    	    	    	    	    	    	    	    	    
273656	1991	    	    	    	    	    	    	    	    	    	    	    	    
273656	1992	    	    	    	    	    	    	    	    	    	    	    	    
273656	1993