"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	    	    	    	    	    	    	    	    	 13.0	  7.7	  1.6	 -6.6
170578	1986	 -6.5	    	    	    	    	    	    	    	    	    	    	    
170578	1987	    	    	    	    	    	    	    	    	    	    	    	    
170578	1988	    	    	    	    	    	    	    	    	    	    	    	    
170578	1989	    	    	    	    	    	    	    	    	    	    	    	    
170578	1990	    	    	    	    	    	    	    	    	    	    	    	    
170578	1991	    	    	    	    	    	    	    	    	    	    	    	    
170578	1992	    	    	    	    	    	    	    	    	    	    	    	    
170578	1993