"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
192975	1970	 -7.7	 -3.1	  1.1	  8.4	 15.2	 19.4	 23.1	 22.5	 17.6	 11.3	  5.6	 -3.7
192975	1971	 -6.1	 -2.8	  2.0	  7.3	 13.6	 20.6	 22.9	 22.6	 19.0	 13.9	  4.1	  0.3
192975	1972	 -2.3	 -3.5	  1.2	  6.4	 14.8	 19.2	 23.1	 21.6	 17.9	  9.0	    	    
192975	1973	 -1.0	    	  5.6	 10.4	    	 21.6	 23.8	 24.1	 17.8	 12.0	  6.1	  2.1
192975	1974	 -2.4	 -3.3	  3.1	 10.1	 13.2	 19.2	 22.8	 22.4	 17.3	  8.9	  6.2	  1.1
192975	1975	 -0.8	 -2.2	  1.3	  6.6	 17.2	 20.1	 24.0	 22.3	 15.8	 12.4	  8.3	 -1.2
192975	1976	 -5.4	  0.8	  3.5	 11.5	 15.0	 22.3	 22.0	 21.2	 16.7	  9.3	  3.6	 -4.7
192975	1977	 -7.6	 -2.6	  5.5	  9.6	 16.3	 18.4	 22.2	 21.4	 16.3	 10.7	  6.4	 -2.8
192975	1978	 -4.4	    	  0.6	  7.8	 14.9	 20.1	 22.4	 21.8	 16.0	 10.5	  5.4	 -0.1
192975	1979	 -2.4	 -6.7	  4.7	  8.2	 15.9	 19.1	 23.2	 20.9	 17.1	 10.9	  8.5	  1.7
192975	1980	 -2.6	 -4.1	  1.8	  9.1	 14.5	 18.2	 23.1	 22.2	 17.6	 10.0	  3.8	 -3.2
192975	1981	 -7.5	  0.4	  2.8	 10.4	 15.3	 20.5	 22.5	 21.0	 16.2	  8.7	  5.1	 -1.3
192975	1982	 -7.6	 -2.2	  1.6	  7.4	 14.5	 16.9	 22.8	 19.7	 17.0	 10.5	  8.0	  2.5
192975	1983	 -3.0	 -1.2	  4.1	  8.6	 13.5	 20.1	 23.1	 22.2	 18.9	 10.9	  6.1	 -1.9
192975	1984	 -4.6	  1.0	 -0.6	  8.0	 14.1	 20.5	 22.1	 22.8	 15.8	 12.2	  6.0	  1.8
192975	1985	 -6.0	 -1.7	  3.6	  8.8	 15.0	 17.7	 22.5	 21.1	 17.5	    	  6.3	 -2.7
192975	1986	 -2.3	 -3.3	  3.9	  9.9	 15.4	 18.2	 21.7	 20.2	 15.9	 11.1	  4.5	  0.5
192975	1987	 -4.1	 -2.7	    	  8.4	 14.7	 20.0	 22.6	 20.7	 16.9	 10.1	  4.7	    
192975	1988	    	 -1.8	  3.2	  7.9	 14.4	    	 23.5	 23.4	 16.6	  8.8	    	    
192975	1989	    	    	  2.3	  7.4	 15.6	    	 22.8	 21.9	 18.5	 11.5	  7.7	    
192975	1990	    	    	    	    	    	    	    	    	    	    	    	    
192975	1991	    	    	    	    	    	    	    	    	    	    	    	    
192975	1992	    	    	    	    	    	    	    	    	    	    	    	    
192975	1993