"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
173026	1970	    	    	    	    	    	    	    	    	    	    	    	    
173026	1971	    	    	    	    	    	    	    	    	    	    	    	    
173026	1972	    	    	    	    	    	    	    	    	    	    	    	    
173026	1973	    	    	    	    	    	    	    	    	    	    	    	    
173026	1974	    	    	    	    	    	    	    	    	    	    	    	    
173026	1975	    	    	    	    	    	    	    	    	    	    	    	    
173026	1976	    	    	    	    	    	    	    	    	    	    	    	    
173026	1977	    	    	    	    	    	    	    	    	    	    	    	    
173026	1978	    	    	    	    	    	    	    	    	    	    	    	    
173026	1979	    	    	    	    	    	    	    	    	    	    	    	    
173026	1980	    	    	    	    	    	    	    	    	    	    	    	    
173026	1981	    	    	    	    	    	    	    	    	    	    	    	    
173026	1982	    	    	    	    	    	    	    	    	    	    	    	    
173026	1983	    	    	    	    	    	    	    	    	    	    	    	    
173026	1984	    	    	    	    	    	    	    	    	    	    	    	    
173026	1985	    	    	    	    	    	    	    	    	    	    	    	    
173026	1986	    	    	    	    	    	    	    	    	    	    	    	    
173026	1987	    	    	    	    	    	    	    	    	    	    	    	    
173026	1988	    	    	    	    	    	    	    	    	    	    	    	    
173026	1989	    	    	    	    	    	    	    	    	    	    	    	    
173026	1990	    	    	    	    	    	    	    	    	    	    	    	    
173026	1991	    	    	    	    	    	    	    	    	    	    	    	    
173026	1992	   51	  533	   89	  279	    	    	    	    	    	    	   81	   86
173026	1993	  333	 1196	  803	  160	    	    	    	    	    	   13	    8	  455