"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
173353	1970	-11.7	 -7.0	 -3.8	  2.6	  9.7	 14.5	 19.1	 17.4	 11.6	  9.0	  0.7	 -9.2
173353	1971	 -9.0	 -6.9	 -5.3	  1.8	 10.0	 15.6	 18.3	 17.2	 14.0	  8.8	 -1.3	 -7.3
173353	1972	 -7.5	 -8.4	 -5.2	  0.6	  9.2	 14.8	 17.1	 15.6	 12.7	  4.4	 -1.0	 -8.3
173353	1973	 -6.6	 -6.8	 -0.4	  3.3	  8.8	 16.6	 19.6	 19.4	 11.9	  6.7	 -0.8	 -3.1
173353	1974	 -7.7	 -9.0	 -4.4	  2.7	  6.8	 15.6	 17.4	 17.5	 11.8	  3.6	    	 -5.6
173353	1975	 -7.0	 -6.2	 -4.6	  0.3	 11.3	    	    	    	    	    	    	    
173353	1976	    	    	    	    	    	    	    	    	    	    	    	    
173353	1977	    	    	    	    	    	    	    	    	    	    	    	    
173353	1978	    	    	    	    	    	    	    	    	    	    	    	    
173353	1979	    	    	    	    	    	    	    	    	    	    	    	    
173353	1980	    	    	    	    	    	    	    	    	    	    	    	    
173353	1981	    	    	    	    	    	    	    	    	    	    	    	    
173353	1982	    	    	    	    	    	    	    	    	    	    	    	    
173353	1983	    	    	    	    	    	    	    	    	    	    	    	    
173353	1984	    	    	    	    	    	    	    	    	    	    	    	    
173353	1985	    	    	    	    	    	    	    	    	    	    	    	    
173353	1986	    	    	    	    	    	    	    	    	    	    	    	    
173353	1987	    	    	    	    	    	    	    	    	    	    	    	    
173353	1988	    	    	    	    	    	    	    	    	    	    	    	    
173353	1989	    	    	    	    	    	    	    	    	    	    	    	    
173353	1990	    	    	    	    	    	    	    	    	    	    	    	    
173353	1991	    	    	    	    	    	    	    	    	    	    	    	    
173353	1992	    	    	    	    	    	    	    	    	    	    	    	    
173353	1993