"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
199226	1970	    	    	    	    	    	    	    	    	    	    	    	    
199226	1971	    	    	    	    	    	    	    	    	    	    	    	    
199226	1972	    	    	    	    	    	    	    	    	    	    	    	    
199226	1973	    	    	    	    	    	    	    	    	    	    	    	    
199226	1974	    	    	    	  178	    	    	    	    	    	    	   25	  173
199226	1975	  533	  470	   86	   64	    	    	    	    	    	    	   51	  546
199226	1976	  432	  109	  401	    	    	    	    	    	    	    	   76	  381
199226	1977	  749	  254	  506	    	   76	    	    	    	    	    	   51	  495
199226	1978	  876	  686	  330	    	    	    	    	    	    	    	  127	  279
199226	1979	  457	  152	    	   38	    	    	    	    	    	   76	    	   51
199226	1980	   20	  185	  152	    	    	    	    	    	    	    	  267	  198
199226	1981	  307	  140	    8	    	    	    	    	    	    	    	    	  673
199226	1982	  470	  165	  203	  305	    	    	    	    	    	    	    	  135
199226	1983	  559	  978	   38	    	    	    	    	    	    	    	   13	  394
199226	1984	  701	   13	  419	    	    	    	    	    	    	    	    	  190
199226	1985	  249	  211	  216	   51	    	    	    	    	    	    	  203	  198
199226	1986	  216	  254	   76	    	    	    	    	    	    	    	    	  147
199226	1987	    	    	    	    	    	    	    	    	    	    	    	    
199226	1988	    	    	    	    	    	    	    	    	    	    	    	    
199226	1989	    	    	    	    	    	    	    	    	    	    	    	    
199226	1990	    	    	    	    	    	    	    	    	    	    	    	    
199226	1991	    	    	    	    	    	    	    	    	    	    	    	    
199226	1992	    	    	    	    	    	    	    	    	    	    	    	    
199226	1993