"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
199175	1970	    	    	    	    	    	    	    	    	    	    	    	    
199175	1971	    	    	    	    	    	    	    	    	    	    	    	    
199175	1972	    	    	    	    	    	    	    	    	    	    	    	    
199175	1973	    	    	    	    	    	    	    	    	    	    	    	    
199175	1974	    	    	    	    	    	    	    	    	    	    	    	    
199175	1975	    	    	    	    	    	    	    	    	    	    	    	    
199175	1976	    	    	    	    	    	    	    	    	    	    	    	   13
199175	1977	  457	  178	    	    	    	    	    	    	    	    	    	   25
199175	1978	  279	  267	  457	    	    	    	    	    	    	    	    	    
199175	1979	   38	  152	    	    	    	    	    	    	    	    	    	    
199175	1980	   25	   89	    	    	    	    	    	    	    	    	    	    
199175	1981	  660	   64	    	    	    	    	    	    	    	    	    	  102
199175	1982	  178	  152	   13	  152	    	    	    	    	    	    	    	  279
199175	1983	    	    	    	    	    	    	    	    	    	    	    	    
199175	1984	    	    	    	    	    	    	    	    	    	    	    	    
199175	1985	    	    	    	    	    	    	    	    	    	    	    	    
199175	1986	    	    	    	    	    	    	    	    	    	    	    	    
199175	1987	    	    	    	    	    	    	    	    	    	    	    	    
199175	1988	    	    	    	    	    	    	    	    	    	    	    	    
199175	1989	    	    	    	    	    	    	    	    	    	    	    	    
199175	1990	    	    	    	    	    	    	    	    	    	    	    	    
199175	1991	    	    	    	    	    	    	    	    	    	    	    	    
199175	1992	    	    	    	    	    	    	    	    	    	    	    	    
199175	1993