"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
194449	1970	    	    	    	    	    	    	    	    	    	    	    	    
194449	1971	    	    	    	    	    	    	    	    	    	    	    	    
194449	1972	    	    	    	    	    	    	    	    	    	    	    	    
194449	1973	    	    	    	    	    	    	    	    	    	    	    	    
194449	1974	    	    	    	    	    	    	    	    	    	    	    	    
194449	1975	    2	    	    	    	    	    	    	    	    	    	    	    
194449	1976	    	    	    	    	    	    	    	    	    	    	    	    
194449	1977	    	    	    	    	    	    	    	    	    	    	    	    
194449	1978	    	    	    	    	    	    	    	    	    	    	    	    
194449	1979	    	    	    	    	    	    	    	    	    	   25	    	    
194449	1980	    	  221	    	    	    	    	    	    	    	    	    	    
194449	1981	    	   64	    	    	    	    	    	    	    	    	    	  526
194449	1982	    	    	    	  254	    	    	    	    	    	    	    	    
194449	1983	    	    	    	    	    	    	    	    	    	    	    	    
194449	1984	    	    	    	    	    	    	    	    	    	    	    	   25
194449	1985	    	    	   51	   25	    	    	    	    	    	    	    	   13
194449	1986	    	    	    	    	    	    	    	    	    	    	    	    
194449	1987	    	    	    	    	    	    	    	    	    	    	    	    
194449	1988	    	    	    	    	    	    	    	    	    	    	    	    
194449	1989	    	    	    	    	    	    	    	    	    	    	    	    
194449	1990	    	    	    	    	    	    	    	    	    	    	    	    
194449	1991	    	    	    	    	    	    	    	    	    	    	    	    
194449	1992	    	    	    	    	    	    	    	    	    	    	    	    
194449	1993