"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
176881	1970	    	    	    	    	    	    	    	    	    	    	    	    
176881	1971	    	    	    	    	    	    	    	    	    	    	    	    
176881	1972	    	    	    	    	    	    	    	    	    	    	    	    
176881	1973	    	    	    	    	    	    	    	    	    	    	    	    
176881	1974	    	    	    	    	    	    	    	    	    	    	    	    
176881	1975	    	    	    	    	    	    	    	    	    	    	    	    
176881	1976	    	    	    	    	    	    	    	    	    	    	    	    
176881	1977	    	    	    	    	    	    	    	    	    	    	    	    
176881	1978	    	    	    	    	    	    	    	    	    	    	    	    
176881	1979	    	    	    	    	    	    	    	    	    	    	    	    
176881	1980	    	    	    	    	    	    	    	    	    	    	    	    
176881	1981	    	    	    	    	    	    	    	    	    	    	    	    
176881	1982	    	    	    	    	    	    	    	    	    	    	    	    
176881	1983	    	    	    	    	    	    	    	    	    	    	    	    
176881	1984	    	    	    	    	    	    	    	    	    	    	    	    
176881	1985	    	    	    	    	    	    	    	    	    	    	    	    
176881	1986	    	    	    	    	    	    	    	    	    	    	    	    
176881	1987	    	    	    	    	    	    	    	    	    	    	    	    
176881	1988	    	    	    	    	    	    	    	    	    	    	    	    
176881	1989	    	    	    	    	    	  128	   36	   35	   94	   98	  144	   87
176881	1990	  148	   82	   58	  122	  139	   51	   62	   93	   55	   90	   73	  148
176881	1991	  107	   52	  220	  117	   76	   36	   91	  172	  177	   78	  102	  105
176881	1992	  127	  108	   66	   80	   29	   33	   69	   96	   60	  109	  140	   59
176881	1993	   64	  110	  155	  154	   34	  154	   52	   28	  127	  111	  114	  138