"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
274475	1970	  132	  170	  630	   74	    	    	    	    	    	    	    	  937
274475	1971	  510	  554	  724	  173	    	    	    	    	    	    	  391	  475
274475	1972	  284	  602	  417	  267	    	    	    	    	    	    	  350	  904
274475	1973	  478	  119	    2	  325	    	    	    	    	    	    	    	  102
274475	1974	  419	  206	  206	  196	    	    	    	    	    	    	  190	  544
274475	1975	  620	  452	  267	  163	    	    	    	    	    	    	  127	  577
274475	1976	  467	  264	  620	    	    	    	    	    	    	    	  124	  345
274475	1977	  770	  244	  541	   53	    	    	    	    	    	    	   25	  737
274475	1978	  696	  254	  386	   74	    	    	    	    	    	    	  201	  678
274475	1979	 1140	  165	   46	  168	    	    	    	    	    	   13	    2	   53
274475	1980	  127	  262	  287	    2	    	    	    	    	    	    	  267	  312
274475	1981	  224	  404	  135	    	    	    	    	    	    	    	    	  742
274475	1982	  792	  269	  170	  437	    	    	    	    	    	    	    	    
274475	1983	    	    	    	    	    	    	    	    	    	    	    	    
274475	1984	    	    	    	    	    	    	    	    	    	    	    	    
274475	1985	    	    	    	    	    	    	    	    	    	    	    	    
274475	1986	    	    	    	    	    	    	    	    	    	    	    	    
274475	1987	    	    	    	    	    	    	    	    	    	    	    	    
274475	1988	    	    	    	    	    	    	    	    	    	    	    	    
274475	1989	    	    	    	    	    	    	    	    	    	    	    	    
274475	1990	    	    	    	    	    	    	    	    	    	    	    	    
274475	1991	    	    	    	    	    	    	    	    	    	    	    	    
274475	1992	    	    	    	    	    	    	    	    	    	    	    	    
274475	1993