"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
174656	1970	    	    	    	    	    	    	    	    	    	    	    	    
174656	1971	    	    	    	    	    	    	    	    	    	    	    	    
174656	1972	    	    	    	    	    	    	    	    	    	    	    	    
174656	1973	    	    	    	    	    	    	    	    	    	    	    	    
174656	1974	    	    	    	    	    	    	    	    	    	    	    	    
174656	1975	    	    	    	    	    	    	    	    	    	    	    	    
174656	1976	    	    	    	    	    	    	    	    	    	    	    	    
174656	1977	    	    	    	    	    	    	    	    	    	    	    	    
174656	1978	    	    	    	    	    	    	    	    	    	    	    	    
174656	1979	    	    	    	    	    	    	    	    	    	    	    	    
174656	1980	    	    	    	    	    	    	    	    	    	    	    	    
174656	1981	    	    	    	    	    	    	    	    	    	    	    	    
174656	1982	    	    	    	    	    	    	    	    	    	    	    	    
174656	1983	    	    	    	    	    	    	    	    	    	    	    	    
174656	1984	    	    	    	    	    	    	    	    	    	    	    	    
174656	1985	    	    	    	    	    	    	    	    	    	    	    	    
174656	1986	    	    	    	    	    	    	    	    	    	    	    	    
174656	1987	    	    	    	    	    	    	    	    	    	    	    	    
174656	1988	    	    	    	    	    	    	    	    	    	    	    	    
174656	1989	    	    	    	    	    	    	    	    	    	    	    	    
174656	1990	    	    	    	    	    	    	    	    	    	    	    	    
174656	1991	    	    	    	    	    	    	    	    	    	    	    	    
174656	1992	    	    	    	    	    	    	    	    	    	    	    	    
174656	1993	    	    	    	    	    	    	    	    	    	    5	    	  190