"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
277253	1970	    	    	    	    	    	    	    	    	    	    	    	    
277253	1971	    	    	    	    	    	    	    	    	    	    	    	    
277253	1972	    	    	    	    	    	    	    	    	    	    	    	    
277253	1973	    	    	    	    	    	    	    	    	    	    	    	    
277253	1974	    	    	    	    	    	    	    	    	    	    	    	    
277253	1975	    	    	    	    	    	    	    	    	    	    	    	    
277253	1976	    	    	    	    	    	    	    	    	    	    	    	    
277253	1977	    	    	    	    	    	    	    	    	    	    	    	    
277253	1978	    	    	    	    	    	    	    	    	    	    	    	    
277253	1979	    	    	    	    	    	    	    	    	    	    	    	    
277253	1980	    	    	    	    	    	    	    	    	    	    	    	    
277253	1981	    	    	    	    	    	    	    	    	    	    	    	    
277253	1982	    	    	    	    	    	    	    	    	    	    	    	    
277253	1983	    	    	    	    	    	    	    	    	    	    	    	    
277253	1984	    	    	    	    	    	    	    	    	    	    	    	    
277253	1985	    	    	    	    	    	    	    	    	    	    	    	    
277253	1986	    	    	    	    	    	    	    	    	    	    	    	    
277253	1987	    	    	    	    	    	    	    	    	    	    	    	    
277253	1988	    	    	    	    	    	    	    	    	    	    	    	    
277253	1989	    	    	    	    	    	    	    	    	    	   78	  134	   20
277253	1990	  119	   66	   40	  114	  186	   55	   68	  102	   64	  192	  100	  175
277253	1991	   59	   54	  122	   91	  110	   80	   60	  299	  164	   89	  126	   98
277253	1992	   88	   61	  104	   61	   22	  103	  102	  114	   72	   74	  139	   58
277253	1993	   70	  101	  125	  153	   30	   61	   57	   89	  153	   97	  110	  167