"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
197961	1970	 -4.7	 -0.5	  2.0	  7.3	 13.1	 17.8	 21.4	 21.3	 17.4	 12.3	  7.9	  1.1
197961	1971	 -3.4	 -0.4	  2.8	  6.2	 12.5	 17.7	 21.4	 21.4	 19.1	 14.7	  6.4	  2.8
197961	1972	  0.5	 -1.7	  2.6	  5.2	 12.4	 17.5	 21.2	 20.7	 17.9	 10.3	  5.8	  3.1
197961	1973	  0.5	 -0.9	  5.3	  8.4	 12.0	 19.4	 22.0	 21.9	 17.6	 12.3	  6.5	  4.4
197961	1974	  0.3	 -1.2	  2.6	  8.9	 11.2	 17.0	 21.1	 21.6	 17.6	 10.5	  7.6	  2.8
197961	1975	  1.7	 -0.1	  2.4	  5.4	 14.1	 18.0	 22.3	 21.3	 16.3	 13.6	  9.3	  2.2
197961	1976	 -1.9	  1.8	  3.6	 10.0	 14.2	 19.9	 22.1	 21.0	 17.5	 10.9	  5.4	 -1.1
197961	1977	 -4.4	 -1.1	  5.7	  8.5	 14.3	 17.0	 22.1	 21.6	 16.8	 12.3	  8.6	  2.5
197961	1978	    	    	    	    	    	    	    	    	    	    	    	    
197961	1979	    	    	    	    	    	    	    	    	    	    	    	    
197961	1980	    	    	    	    	    	    	    	    	    	    	    	    
197961	1981	    	    	    	    	    	    	    	    	    	    	    	    
197961	1982	    	    	    	    	    	    	    	    	    	    	    	    
197961	1983	    	    	    	    	    	    	    	    	    	    	    	    
197961	1984	    	    	    	    	    	    	    	    	    	    	    	    
197961	1985	    	    	    	    	    	    	    	    	    	    	    	    
197961	1986	    	    	    	    	    	    	    	    	    	    	    	    
197961	1987	    	    	    	    	    	    	    	    	    	    	    	    
197961	1988	    	    	    	    	    	    	    	    	    	    	    	    
197961	1989	    	    	    	    	    	    	    	    	    	    	    	    
197961	1990	    	    	    	    	    	    	    	    	    	    	    	    
197961	1991	    	    	    	    	    	    	    	    	    	    	    	    
197961	1992	    	    	    	    	    	    	    	    	    	    	    	    
197961	1993