"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	    	    	    	   57	  117	  104	   58	   60	  212	   52	   72	  133
199226	1975	  131	   85	   73	   54	   51	   96	   85	  154	  179	  150	  149	  128
199226	1976	  120	   72	   78	   77	   68	   18	  102	  159	   48	  116	   37	   73
199226	1977	   93	   65	  174	  114	   70	  122	   70	   97	  161	  134	  128	  164
199226	1978	  219	   76	   78	   57	   79	  109	   91	  111	   30	   80	   65	  100
199226	1979	  301	   83	   94	  123	  128	   22	  127	  113	   99	  110	   78	   40
199226	1980	   16	   30	  173	  137	   48	   90	  102	   40	   53	   83	  117	   21
199226	1981	   22	  178	   13	   97	   84	   83	  132	   86	  103	  130	  102	  140
199226	1982	  123	  103	   69	   95	   70	  275	  104	   68	   89	   85	   96	   33
199226	1983	  156	  114	  252	  178	  118	   66	   58	   99	   35	  111	  237	  163
199226	1984	   59	  168	  145	  109	  225	   96	   97	   23	   13	  107	   63	   86
199226	1985	   31	   58	   80	   43	   64	   82	   59	  191	  139	   80	  179	   38
199226	1986	  119	   93	  105	   48	   35	  181	  147	  103	   53	   58	    	  200
199226	1987	    	    	    	    	    	    	    	    	    	    	    	    
199226	1988	    	    	    	    	    	    	    	    	    	    	    	    
199226	1989	    	    	    	    	    	    	    	    	    	    	    	    
199226	1990	    	    	    	    	    	    	    	    	    	    	    	    
199226	1991	    	    	    	    	    	    	    	    	    	    	    	    
199226	1992	    	    	    	    	    	    	    	    	    	    	    	    
199226	1993