"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
174193	1970	    	    	    	    	    	    	    	    	    	    	    	    
174193	1971	    	    	    	    	    	    	    	    	    	    	    	    
174193	1972	    	    	    	    	    	    	    	    	    	    	    	    
174193	1973	    	    	    	    	    	    	    	    	    	    	    	    
174193	1974	    	    	    	    	    	    	    	    	    	    	    	    
174193	1975	    	    	    	    	    	    	    	    	    	    	    	    
174193	1976	    	    	    	    	    	    	    	    	    	    	    	    
174193	1977	    	    	    	    	    	    	    	    	    	    	    	    
174193	1978	    	    	    	    	    	    	    	    	    	    	    	    
174193	1979	    	    	    	    	    	    	    	    	    	    	    	    
174193	1980	    	    	    	    	    	    	    	    	    	    	    	    
174193	1981	    	    	    	    	    	    	    	    	    	    	    	    
174193	1982	    	    	    	    	    	    	    	    	    	    	    	    
174193	1983	    	    	    	    	    	    	    	    	    	    	    	    
174193	1984	    	    	    	    	    	    	    	    	    	    	    	    
174193	1985	    	    	    	    	    	    	    	    	    	    	    	    
174193	1986	    	    	    	    	    	    	    	    	    	    	    	    
174193	1987	    	    	    	    	    	    	    	    	    	    	    	    
174193	1988	    	    	    	    	    	    	    	    	    	    	    	    
174193	1989	    	    	    	    	    	  127	   62	   50	  115	  121	  133	   45
174193	1990	  116	   68	   36	  116	  138	  114	   72	   97	   77	  252	  102	  167
174193	1991	   98	   50	  135	  134	   95	   94	   59	  325	  165	   61	  116	  100
174193	1992	  108	   78	   92	   55	   17	   75	   71	   79	   78	   97	  139	   57
174193	1993	   44	  126	  169	  162	   18	   75	   46	   17	   94	  109	  101	  135