"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
173651	1970	    	    	    	    	    	    	    	    	    	    	    	    
173651	1971	    	    	    	    	    	    	    	    	    	    	    	    
173651	1972	    	    	    	    	    	    	    	    	    	    	    	    
173651	1973	    	    	    	    	    	    	    	    	    	    	   94	  302
173651	1974	  427	  216	  368	  622	   13	    	    	    	    	    	  597	  102
173651	1975	  693	  338	  516	  305	    	    	    	    	    	    	  127	  826
173651	1976	  610	  556	  607	   38	    	    	    	    	    	   38	  104	  800
173651	1977	  671	  658	  424	  160	    	    	    	    	    	    	    	    
173651	1978	    	    	    	    	    	    	    	    	    	    	    	    
173651	1979	    	    	    	    	    	    	    	    	    	    	    	    
173651	1980	    	    	    	    	    	    	    	    	    	    	    	    
173651	1981	    	    	    	    	    	    	    	    	    	    	    	    
173651	1982	    	    	    	    	    	    	    	    	    	    	    	    
173651	1983	    	    	    	    	    	    	    	    	    	    	    	    
173651	1984	    	    	    	    	    	    	    	    	    	    	    	    
173651	1985	    	    	    	    	    	    	    	    	    	    	    	    
173651	1986	    	    	    	    	    	    	    	    	    	    	    	    
173651	1987	    	    	    	    	    	    	    	    	    	    	    	    
173651	1988	    	    	    	    	    	    	    	    	    	    	    	    
173651	1989	    	    	    	    	    	    	    	    	    	    	    	    
173651	1990	    	    	    	    	    	    	    	    	    	    	    	    
173651	1991	    	    	    	    	    	    	    	    	    	    	    	    
173651	1992	    	    	    	    	    	    	    	    	    	    	    	    
173651	1993