"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
176599	1970	    	    	    	    	    	    	    	    	    	    	    	    
176599	1971	    	    	    	    	    	    	    	    	    	    	    	    
176599	1972	    	    	    	    	    	    	    	    	    	    	    	    
176599	1973	    	    	    	    	    	    	    	    	    	    	    	    
176599	1974	    	    	    	    	    	    	    	    	    	    	    	    
176599	1975	    	    	    	    	    	    	    	    	    	    	    	    
176599	1976	    	    	    	    	    	    	    	    	    	    	    	    
176599	1977	    	    	    	    	    	    	    	    	    	    	    	    
176599	1978	    	    	    	    	    	    	    	    	    	    	    	    
176599	1979	    	    	    	    	    	    	    	    	    	    	    	    
176599	1980	    	    	    	    	    	    	    	    	    	    	    	    
176599	1981	    	    	    	    	    	    	    	    	    	    	    	    
176599	1982	    	    	    	    	    	    	    	    	    	    	    	    
176599	1983	    	    	    	    	    	    	    	    	    	    	    	    
176599	1984	    	    	    	    	    	    	    	    	    	    	    	    
176599	1985	    	    	    	    	    	    	    	    	 13.6	  7.0	 -0.6	 -8.1
176599	1986	 -7.6	 -8.9	 -3.8	  5.9	 10.9	 13.9	 19.4	 16.4	 10.6	  5.5	 -2.6	 -7.1
176599	1987	 -8.5	 -8.7	 -3.5	  6.6	 10.5	 15.9	 15.5	 16.5	 12.6	  6.4	 -1.1	 -5.3
176599	1988	 -7.8	 -7.3	 -4.1	  4.1	 12.0	 15.2	 19.3	 18.5	 11.9	  4.6	    	    
176599	1989	    	    	    	  2.4	 14.9	 15.8	 17.8	 16.8	 12.5	  6.5	 -1.3	-10.4
176599	1990	 -5.9	 -7.6	 -2.9	  4.1	  9.6	 16.4	 19.0	 18.9	 12.6	  7.0	  1.5	 -4.9
176599	1991	 -8.1	 -5.7	 -2.3	  3.1	    	    	    	    	    	    	    	    
176599	1992	    	    	    	    	    	    	    	    	    	    	    	    
176599	1993