"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
170578	1970	    	    	    	    	    	    	    	    	    	    	    	    
170578	1971	    	    	    	    	    	    	    	    	    	    	    	    
170578	1972	    	    	    	    	    	    	    	    	    	    	    	    
170578	1973	    	    	    	    	    	    	    	    	    	    	    	    
170578	1974	    	    	    	    	    	    	    	    	    	    	    	    
170578	1975	    	    	    	    	    	    	    	    	    	    	    	    
170578	1976	    	    	    	    	    	    	    	    	    	    	    	    
170578	1977	    	    	    	    	    	    	    	    	    	    	    	    
170578	1978	    	    	    	    	    	    	    	    	    	    	    	    
170578	1979	    	    	    	    	    	    	    	    	    	    	    	    
170578	1980	    	    	    	    	    	    	    	    	    	    	    	    
170578	1981	    	    	    	    	    	    	    	    	    	    	    	    
170578	1982	    	    	    	    	    	    	    	    	    	    	    	    
170578	1983	    	    	    	    	    	    	    	    	    	    	    	    
170578	1984	    	    	    	    	    	    	    	    	    	    	    	    
170578	1985	    	    	    	    	    	    	    	    	    	    	  190	  356
170578	1986	  660	  422	  368	  102	    	    	    	    	    	    	  330	  305
170578	1987	 1102	   76	  330	  216	    	    	    	    	    	    	    	    
170578	1988	    	    	    	    	    	    	    	    	    	    	    	    
170578	1989	    	    	    	    	    	    	    	    	    	    	    	    
170578	1990	    	    	    	    	    	    	    	    	    	    	    	    
170578	1991	    	    	    	    	    	    	    	    	    	    	    	    
170578	1992	    	    	    	    	    	    	    	    	    	    	    	    
170578	1993