"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
276697	1970	 -9.0	 -4.5	 -7.4	    	    	    	    	    	    	    	    	    
276697	1971	    	    	    	    	    	    	    	    	    	    	    	    
276697	1972	    	    	    	    	    	    	    	    	    	    	    	    
276697	1973	    	    	    	    	    	    	    	    	    	    	    	    
276697	1974	    	    	    	    	    	    	    	    	    	    	    	    
276697	1975	    	    	    	    	    	    	    	    	    	    	    	    
276697	1976	    	    	    	    	    	    	    	    	    	    	    	    
276697	1977	 -8.7	 -4.2	  3.7	  7.6	 14.5	 16.3	 19.4	 19.5	 14.1	  9.3	  4.8	 -4.4
276697	1978	 -6.6	 -7.6	 -1.2	  5.3	 13.8	 17.2	 19.5	    	 13.4	  8.9	  3.3	 -2.8
276697	1979	 -4.7	 -6.8	  3.3	  6.2	 14.2	 16.9	 20.8	 18.6	 14.8	  8.9	  6.5	 -0.3
276697	1980	 -4.4	 -5.9	  0.6	  7.4	 13.3	 15.7	 20.7	 20.1	 15.3	  7.8	  1.9	 -4.5
276697	1981	 -7.5	  0.2	  0.8	  8.1	 13.7	 17.5	 20.0	 18.4	 14.0	  7.1	  3.7	 -3.5
276697	1982	 -7.8	 -4.6	  0.3	  5.6	 13.6	 15.6	 20.1	 18.0	 15.5	  9.0	  5.5	  0.6
276697	1983	 -4.3	 -2.2	  1.6	  7.2	 12.0	 18.3	 20.8	 19.9	 16.4	  8.9	  3.8	 -3.9
276697	1984	 -6.4	 -0.1	 -3.0	  6.6	 11.6	 18.4	 19.8	 20.3	 13.8	 10.3	  3.6	 -0.3
276697	1985	 -8.0	 -3.2	  1.7	  7.3	 13.5	 15.5	 20.2	 18.5	 15.5	 10.1	  3.6	 -5.0
276697	1986	 -4.1	 -6.1	  1.9	  8.3	 14.0	 16.3	 19.3	 18.5	 14.0	  8.6	  2.2	 -2.1
276697	1987	 -5.7	 -4.8	  1.5	  8.0	    	 17.6	 20.7	    	    	    	  2.5	 -1.7
276697	1988	 -5.1	 -3.8	  0.7	  6.4	 13.5	 16.8	 21.4	 20.3	    	  7.0	    	    
276697	1989	 -2.6	 -4.9	  0.3	  4.9	 12.3	 17.2	 21.4	 18.8	 14.7	  8.9	  2.2	-10.0
276697	1990	 -1.2	 -2.7	  2.0	  7.0	 10.5	 17.4	 20.2	 18.9	 14.4	 10.6	  4.3	 -0.7
276697	1991	 -5.4	 -2.4	    	  8.2	 15.0	    	    	    	    	    	    	    
276697	1992	    	    	    	    	    	    	    	 17.8	 14.2	  6.8	  1.5	 -2.9
276697	1993	    	    	    	    	    	    	    	 19.2	 14.0	  7.0	  3.0	 -2.6