"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
275371	1970	    	    	    	    	    	    	    	    	    	    	    	    
275371	1971	    	    	    	    	    	    	    	    	    	    	    	    
275371	1972	    	    	    	    	    	    	    	    	    	    	    	    
275371	1973	    	    	    	    	    	    	    	    	    	    	    	    
275371	1974	    	    	    	    	    	    	    	    	    	    	    	    
275371	1975	    	    	    	    	    	    	    	    	    	    	    	    
275371	1976	    	    	    	    	    	    	    	    	    	    	    	    
275371	1977	    	    	    	    	    	    	    	    	    	    	    	    
275371	1978	    	    	    	    	    	    	    	    	    	    	    	    
275371	1979	    	    	    	    	    	    	    	    	    	    	    	    
275371	1980	    	    	    	    	    	    	    	    	    	    	    	    
275371	1981	    	    	    	    	    	    	    	    	    	    	    	    
275371	1982	    	    	    	    	    	    	    	    	    	    	    	    
275371	1983	    	    	    	    	    	    	    	    	    	    	    	    
275371	1984	    	    	    	    	    	    	    	    	    	    	    	    
275371	1985	    	    	    	    	    	    	    	    	    	    	    	    
275371	1986	    	    	    	    	    	    	    	    	    	    	    	    
275371	1987	    	    	    	    	    	    	    	    	    	    	    	    
275371	1988	    	    	    	    	    	    	    	    	    	    	    	    
275371	1989	    	    	    	    	    	    	    	    	    	    	    	    
275371	1990	    	    	    	    	    	    	    	    	    	    	    	    
275371	1991	    	    	    	    	    	    	    	    	  165	   70	  139	   95
275371	1992	   58	   35	   92	   72	   44	  178	  114	  155	   89	   69	  129	  110
275371	1993	   57	   93	  153	  113	   42	   74	   79	   68	  137	  126	  131	  122