"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
172868	1970	    	    	    	    	    	    	    	    	    	    	    	    
172868	1971	    	    	    	    	    	    	    	    	 13.4	    	    	    
172868	1972	    	    	    	    	    	    	    	    	    	    	    	    
172868	1973	    	    	    	    	    	    	    	    	 13.6	    	    	    
172868	1974	    	    	    	    	    	    	    	    	    	    	    	    
172868	1975	    	    	    	    	    	    	    	    	    	    	    	    
172868	1976	    	    	    	    	    	    	    	    	    	    	    	    
172868	1977	    	    	    	    	    	    	    	    	    	    	  2.2	    
172868	1978	    	    	    	    	    	    	    	    	    	    	    	    
172868	1979	    	    	    	    	    	    	    	    	    	    	    	    
172868	1980	    	    	    	    	    	 15.0	    	    	    	    	    	    
172868	1981	    	    	    	    	    	    	    	    	    	    	    	    
172868	1982	    	    	    	    	    	    	    	    	    	    	    	    
172868	1983	    	    	    	    	    	    	    	    	    	    	    	    
172868	1984	    	    	    	    	    	    	    	    	    	    	    	    
172868	1985	    	    	    	    	    	    	    	    	    	    	    	    
172868	1986	    	    	    	    	    	    	    	    	    	    	    	    
172868	1987	    	    	    	    	    	    	    	    	    	    	    	    
172868	1988	    	    	    	    	    	    	    	    	    	    	    	    
172868	1989	    	    	    	    	    	    	    	    	    	    	    	    
172868	1990	    	    	    	    	    	    	    	    	    	    	    	    
172868	1991	    	    	    	    	    	    	    	    	    	    	    	    
172868	1992	    	    	    	    	    	    	    	    	    	    	    	    
172868	1993