"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
173897	1970	-11.6	 -7.1	 -2.6	  3.3	 11.0	 16.8	 20.6	 18.8	 12.8	  8.1	  1.2	 -8.7
173897	1971	 -8.7	 -6.0	 -3.2	  3.2	 11.2	 16.1	 19.3	 18.5	 14.6	  9.7	 -0.9	 -7.7
173897	1972	 -7.1	 -7.9	 -5.4	  2.1	 11.4	 16.5	 18.9	 16.9	 13.6	  4.8	 -0.9	 -8.8
173897	1973	 -6.8	 -6.1	  0.1	  4.5	 10.0	 18.0	 21.1	 19.8	 12.7	  7.2	 -0.9	 -3.2
173897	1974	 -8.1	 -8.8	 -2.8	  3.9	  8.4	 17.1	 19.0	 18.4	 13.1	  4.8	  0.1	 -5.2
173897	1975	 -7.3	 -5.9	 -3.2	  1.9	 12.6	 17.0	 21.4	 18.8	 13.2	  7.5	  2.2	 -7.3
173897	1976	 -8.8	 -6.4	 -2.4	  4.7	 11.2	 18.4	 19.2	 18.5	 13.2	  5.6	 -1.4	 -9.3
173897	1977	 -9.9	 -8.0	  1.0	  3.0	 12.0	 15.0	 19.0	 18.2	 12.0	  7.1	  2.0	 -6.2
173897	1978	 -9.3	 -7.6	 -3.9	  2.7	 13.4	 16.9	 19.5	 18.5	 10.8	  6.2	    	 -6.5
173897	1979	 -5.8	 -7.9	  0.8	  5.5	 12.4	 17.0	 20.5	 17.0	 13.1	  7.5	  2.6	 -4.7
173897	1980	 -8.0	 -8.3	 -2.3	  5.8	 11.5	 15.9	 18.9	 19.7	 12.0	  5.1	 -0.2	 -7.9
173897	1981	 -9.0	 -1.7	 -0.4	  5.6	 13.1	 16.8	 19.7	 18.8	 13.0	  6.0	  1.0	 -3.7
173897	1982	-10.1	 -7.8	 -2.2	  3.4	 12.2	 15.8	 19.7	 16.6	 14.0	  8.1	  2.5	 -3.2
173897	1983	 -6.4	 -6.1	 -0.7	  5.9	 10.9	 18.1	 19.9	 19.3	 15.7	  7.4	  1.7	 -6.6
173897	1984	 -8.6	 -2.4	 -4.0	  5.4	    	 16.1	 20.0	 20.5	 12.8	  7.7	  1.7	 -5.1
173897	1985	-10.8	 -5.3	 -2.2	  3.3	    	    	    	    	    	    	    	    
173897	1986	    	    	    	    	    	    	    	    	    	    	    	    
173897	1987	    	    	    	    	    	    	    	    	    	    	    	    
173897	1988	    	    	    	    	    	    	    	    	    	    	    	    
173897	1989	    	    	    	    	    	    	    	    	    	    	    	    
173897	1990	    	    	    	    	    	    	    	    	    	    	    	    
173897	1991	    	    	    	    	    	    	    	    	    	    	    	    
173897	1992	    	    	    	    	    	    	    	    	    	    	    	    
173897	1993