"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
174324	1970	    	    	    	    	    	    	    	    	    	    	    	    
174324	1971	    	    	    	    	    	    	    	    	    	    	    	    
174324	1972	    	    	    	    	    	    	    	    	    	    	    	    
174324	1973	    	    	    	    	    	    	    	    	    	    	    	    
174324	1974	    	    	    	    	    	    	    	    	    	    	    	    
174324	1975	    	    	    	    	    	    	    	    	    	    	    	    
174324	1976	    	    	    	    	    	    	    	    	    	    	    	    
174324	1977	    	    	    	    	    	    	    	    	    	    	    	    
174324	1978	    	    	    	    	    	    	    	    	    	    	    	    
174324	1979	    	    	    	    	 16.6	    	    	    	    	    	    	    
174324	1980	    	    	    	    	    	 18.6	    	    	    	    	    	    
174324	1981	 -6.4	 -0.4	    	    	    	    	    	    	    	    	  1.3	    
174324	1982	    	    	    	    	    	    	    	    	    	    	    	    
174324	1983	    	    	    	    	    	    	    	    	    	    	    	    
174324	1984	    	    	    	    	    	    	    	    	    	    	    	    
174324	1985	    	    	    	    	    	    	    	    	    	    	    	    
174324	1986	    	    	    	    	    	    	    	    	    	    	    	    
174324	1987	    	    	    	    	    	    	    	    	    	    	    	    
174324	1988	    	    	    	    	    	    	    	    	    	    	    	    
174324	1989	    	    	    	    	    	    	    	    	    	    	    	    
174324	1990	    	    	    	    	    	    	    	    	    	    	    	    
174324	1991	    	    	    	    	    	    	    	    	    	    	    	    
174324	1992	    	    	    	    	    	    	    	    	    	    	    	    
174324	1993