"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
172048	1970	    	    	    	    	    	    	    	    	    	    	    	    
172048	1971	    	    	    	    	    	    	    	    	    	    	    	    
172048	1972	    	    	    	    	    	    	    	    	    	    	    	    
172048	1973	    	    	    	    	    	    	    	    	    	    	    	    
172048	1974	    	    	    	    	    	    	    	    	    	    	    	    
172048	1975	    	    	    	    	    	    	    	    	    	    	    	    
172048	1976	    	    	    	    	    	    	    	    	    	    	    	    
172048	1977	    	    	    	    	    	    	    	    	    	    	    	    
172048	1978	    	    	    	    	    	    	    	    	    	    	    	    
172048	1979	    	    	    	    	    	    	    	    	    	    	    	    
172048	1980	    	    	    	    	    	    	    	    	    	    	    	    
172048	1981	    	    	    	    	    	    	    	    	    	    	    	    
172048	1982	    	    	    	    	    	    	    	    	    	    	    	    
172048	1983	    	    	    	    	    	    	    	    	    	    	    	    
172048	1984	    	    	    	    	    	    	    	    	    	    	    	    
172048	1985	    	    	    	    	    	    	    	    	    	    	    	    
172048	1986	    	    	    	    	    	    	    	    	    	    	    	    
172048	1987	    	    	    	    	    	    	    	    	    	    	    	    
172048	1988	    	    	    	    	    	    	    	    	    	    	    	    
172048	1989	    	    	    	    	    	    	    	    	    	    	    	    
172048	1990	    	    	    	    	    	    	    	    	    	    	    	    
172048	1991	    	    	    	    	    	    	    	    	    	    	    	    
172048	1992	    	    	    	    	    	    	    	    	    	    	    	    
172048	1993	    	    	    	    	    	    	    	    	  112	   90	  116	  133