"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
171472	1970	    	    	    	    	    	    	    	    	    	    	    	    
171472	1971	    	    	    	    	    	    	    	    	    	    	    	    
171472	1972	    	    	    	    	    	    	    	    	    	    	    	    
171472	1973	    	    	    	    	    	    	    	    	    	    	    	    
171472	1974	    	    	    	    	    	    	    	    	    	    	    	    
171472	1975	    	    	    	    	    	    	    	    	    	    	    	    
171472	1976	    	    	    	    	    	    	    	    	    	    	    	    
171472	1977	    	    	    	    	    	    	    	    	    	    	    	    
171472	1978	    	    	    	    	    	    	    	    	    	    	    	    
171472	1979	    	    	    	    	    	    	    	    	    	    	    	    
171472	1980	    	    	    	    	    	    	    	    	    	    	    	    
171472	1981	    	    	    	    	    	    	    	    	    	    	    	    
171472	1982	    	    	    	    	    	    	    	    	    	    	    	    
171472	1983	    	    	    	    	    	    	    	    	    	    	    	    
171472	1984	    	    	    	    	    	    	    	    	    	    	    	    
171472	1985	    	  457	  338	   66	    	    	    	    	    	    	  356	  376
171472	1986	  668	  343	  470	  216	    	    	    	    	    	    	  640	  373
171472	1987	  993	   99	  432	  178	    	    	    	    	    	    	  165	  523
171472	1988	  483	  508	  102	  152	    	    	    	    	    	  305	  279	  203
171472	1989	  216	  292	  203	  229	    	    	    	    	    	    	  391	  417
171472	1990	  851	  462	  254	   38	    	    	    	    	    	    	  818	  229
171472	1991	  698	    	  190	    	    	    	    	    	    	    	  216	  267
171472	1992	  318	  724	  104	  152	    	    	    	    	    	    	  109	  315
171472	1993	  201	  673	  602	  279	    	    	    	    	    	    	  356	  102