"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
191447	1970	 -6.5	 -0.7	  1.2	  7.6	 14.6	 18.7	 22.3	 21.4	 16.8	 11.1	  5.7	 -3.3
191447	1971	 -6.9	 -2.7	  1.6	  6.8	 13.2	 19.8	 22.9	 22.3	 19.3	 14.5	  4.7	  0.8
191447	1972	 -1.2	 -3.8	  1.0	  6.0	 13.8	 18.2	 22.1	 20.1	 16.9	  8.0	  3.8	 -0.6
191447	1973	 -1.1	 -2.8	  4.9	  9.0	 12.9	 19.6	 22.3	 21.9	 16.4	 10.5	  5.7	  1.8
191447	1974	 -1.6	 -3.0	  2.5	  9.4	 11.9	 17.7	 21.3	    	 15.8	  8.0	  4.9	  0.5
191447	1975	 -0.9	 -1.8	  1.4	  6.1	 16.2	 19.3	 22.6	 21.8	 16.1	 12.4	  8.6	 -0.8
191447	1976	 -5.0	  0.6	  3.6	 11.2	    	 20.4	 22.2	 21.4	 16.4	  9.6	  3.5	 -4.0
191447	1977	 -7.3	 -2.8	  5.4	  9.6	 16.1	 18.6	 22.8	 21.9	 17.4	 11.2	  7.0	 -1.2
191447	1978	 -3.5	 -5.5	  1.0	  7.5	 14.4	 20.2	 22.4	 21.5	 15.6	 10.4	  5.0	 -0.7
191447	1979	 -2.4	 -6.9	  3.9	  7.3	 15.5	 18.8	 23.1	 20.8	 16.8	 10.4	  7.7	  0.8
191447	1980	 -0.8	 -2.3	  2.1	  9.3	 14.3	 18.3	 23.0	 22.0	 17.8	  9.5	  3.6	 -3.4
191447	1981	 -7.8	  1.0	  2.5	  9.8	 15.0	 19.9	 22.1	 19.9	 16.5	  8.7	  4.6	 -2.2
191447	1982	 -7.2	 -3.0	  1.1	  6.8	 13.9	 16.3	 22.6	 19.9	 16.7	 11.1	  7.3	  1.7
191447	1983	 -2.8	 -0.7	  3.8	  8.1	 13.2	 19.5	 22.0	 20.2	 18.9	  9.1	  6.4	  0.1
191447	1984	 -5.0	  0.9	 -0.8	  6.9	 14.1	 20.4	 21.1	 19.6	 14.3	 10.2	  4.7	  0.4
191447	1985	 -7.6	 -1.9	  3.2	  8.4	 15.7	 17.3	 23.8	 21.4	 19.2	 14.8	 10.8	  4.3
191447	1986	  6.3	  5.2	 12.4	 16.8	    	    	    	    	    	    	    	    
191447	1987	    	    	    	    	    	    	    	    	    	    	    	    
191447	1988	    	    	    	    	    	    	    	    	    	    	    	    
191447	1989	    	    	    	    	    	    	    	    	    	    	    	    
191447	1990	    	    	    	    	    	    	    	    	    	    	    	    
191447	1991	    	    	    	    	    	    	    	    	    	    	    	    
191447	1992	    	    	    	    	    	    	    	    	    	    	    	    
191447	1993