"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
175309	1970	  246	  259	  401	  155	    	    	    	    	    	   25	  178	 1057
175309	1971	  478	  970	 1298	  145	    	    	    	    	    	    	  450	  376
175309	1972	  366	  902	  790	  221	    	    	    	    	    	    	    	    
175309	1973	    	    	    	    	    	    	    	    	    	    	    	    
175309	1974	    	    	    	    	    	    	    	    	    	    	    	    
175309	1975	    	    	    	    	    	    	    	    	    	    	    	    
175309	1976	    	    	    	    	    	    	    	    	    	    	    	    
175309	1977	    	    	    	    	    	    	    	    	    	    	    	    
175309	1978	    	    	    	    	    	    	    	    	    	    	    	    
175309	1979	    	    	    	    	    	    	    	    	    	    	    	    
175309	1980	    	    	    	    	    	    	    	    	    	    	    	    
175309	1981	    	    	    	    	    	    	    	    	    	    	    	    
175309	1982	    	    	    	    	    	    	    	    	    	    	    	    
175309	1983	    	    	    	    	    	    	    	    	    	    	    	    
175309	1984	    	    	    	    	    	    	    	    	    	    	    	    
175309	1985	    	    	    	    	    	    	    	    	    	    	    	    
175309	1986	    	    	    	    	    	    	    	    	    	    	    	    
175309	1987	    	    	    	    	    	    	    	    	    	    	    	    
175309	1988	    	    	    	    	    	    	    	    	    	    	    	    
175309	1989	    	    	    	    	    	    	    	    	    	    	    	    
175309	1990	    	    	    	    	    	    	    	    	    	    	    	    
175309	1991	    	    	    	    	    	    	    	    	    	    	    	    
175309	1992	    	    	    	    	    	    	    	    	    	    	    	    
175309	1993