"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
198757	1970	    	    	    	    	    	    	    	    	    	    	    	    
198757	1971	    	    	    	    	    	    	    	    	    	    	    	    
198757	1972	    	    	    	    	    	    	    	    	    	    	   33	  218
198757	1973	  163	   79	   18	    	    	    	    	    	    	    	    	    5
198757	1974	  378	  305	   18	   71	    	    	    	    	    	    	   84	  124
198757	1975	  114	  480	   38	  135	    	    	    	    	    	    	   96	  475
198757	1976	  350	   46	  320	    	    	    	    	    	    	    	   28	  485
198757	1977	  627	  269	  226	    	  208	    	    	    	    	    	   18	  203
198757	1978	  704	  917	  444	    	    	    	    	    	    	    	  147	  203
198757	1979	  196	  196	    	   64	    	    	    	    	    	   71	    	   76
198757	1980	    5	  165	   71	    	    	    	    	    	    	    	  160	  163
198757	1981	  343	  155	   10	    	    	    	    	    	    	    	    	  729
198757	1982	  389	  216	  158	  315	    	    	    	    	    	    	    	  244
198757	1983	  216	  599	   23	    	    	    	    	    	    	    	    	  241
198757	1984	  493	   46	  518	    	    	    	    	    	    	    	    	  185
198757	1985	  231	  307	   43	   41	    	    	    	    	    	    	  124	   81
198757	1986	   28	  330	   51	    	   10	    	    	    	    	    	  312	  170
198757	1987	  886	  119	  147	  168	    	    	    	    	    	    	  226	  249
198757	1988	  422	  366	  175	    	    	    	    	    	    	    	    	  107
198757	1989	   25	  180	  168	   30	    	    	    	    	    	    	  130	  229
198757	1990	  249	  518	  165	   20	    	    	    	    	    	    	    	  127
198757	1991	  221	  170	   51	    	    	    	    	    	    	    	   10	  158
198757	1992	   30	  102	  279	   13	    	    	    	    	    	    	   10	  378
198757	1993	  249	  305	  706	   13	    	    	    	    	    	    	    8	  373