"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
172207	1970	-10.9	 -7.6	 -1.9	  4.3	 11.5	 16.8	 20.5	 19.1	 13.5	  8.7	  2.0	 -8.3
172207	1971	 -8.0	 -6.2	 -2.2	  3.7	 11.4	 16.4	 19.4	 18.4	 15.1	  9.7	    	 -7.2
172207	1972	 -7.0	 -7.3	 -4.6	  2.4	 11.8	 16.3	 19.4	 17.4	 14.1	  6.0	    	 -8.4
172207	1973	 -5.9	 -6.3	  0.7	  5.4	  9.7	 16.4	    	    	    	    	    	    
172207	1974	    	    	    	    	    	    	    	    	    	    	    	    
172207	1975	    	    	    	    	    	    	    	    	    	    	    	    
172207	1976	    	    	    	    	    	    	    	    	    	    	    	    
172207	1977	    	    	    	    	    	    	    	    	    	    	    	    
172207	1978	    	    	    	    	    	    	    	    	    	    	    	    
172207	1979	    	    	    	    	    	    	    	    	    	    	    	    
172207	1980	    	    	    	    	    	    	    	    	    	    	    	    
172207	1981	    	    	    	    	    	    	    	    	    	    	    	    
172207	1982	    	    	    	    	    	    	    	    	    	    	    	    
172207	1983	    	    	    	    	    	    	    	    	    	    	    	    
172207	1984	    	    	    	    	    	    	    	    	    	    	    	    
172207	1985	    	    	    	    	    	    	    	    	    	    	    	    
172207	1986	    	    	    	    	    	    	    	    	    	    	    	    
172207	1987	    	    	    	    	    	    	    	    	    	    	    	    
172207	1988	    	    	    	    	    	    	    	    	    	    	    	    
172207	1989	    	    	    	    	    	    	    	    	    	    	    	    
172207	1990	    	    	    	    	    	    	    	    	    	    	    	    
172207	1991	    	    	    	    	    	    	    	    	    	    	    	    
172207	1992	    	    	    	    	    	    	    	    	    	    	    	    
172207	1993