"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
271950	1970	    	    	    	    	    	    	    	    	    	    	    	    
271950	1971	    	    	    	    	    	    	    	    	    	    	    	    
271950	1972	    	    	    	    	    	    	    	    	    	    	    	    
271950	1973	    	    	    	    	    	    	    	    	    	    	    	    
271950	1974	    	    	    	    	    	    	    	    	    	    	    	    
271950	1975	    	    	    	    	    	    	    	    	    	    	    	    
271950	1976	    	    	    	    	 12.9	 20.3	 19.3	 18.9	 14.5	  7.5	  1.1	 -6.3
271950	1977	 -8.8	 -4.2	  3.4	  7.8	 15.4	 17.1	 20.5	 19.9	 14.7	  9.4	  4.5	 -4.3
271950	1978	 -6.8	 -7.5	 -1.2	  5.2	 14.1	 18.1	 20.5	 19.9	 14.2	  8.9	  3.0	 -3.0
271950	1979	 -5.2	 -7.2	  2.5	  6.5	 14.2	 17.7	 21.6	 19.2	 15.5	  9.0	  6.4	 -0.8
271950	1980	 -4.9	 -6.2	  0.1	  7.4	 13.7	 16.7	 21.3	 20.9	 15.6	  7.6	  1.6	 -4.9
271950	1981	 -7.5	 -0.2	  0.8	  8.5	 14.4	 18.5	 20.9	 19.2	 14.6	  7.4	  3.5	 -3.2
271950	1982	 -8.6	 -4.8	    	  5.9	 14.0	 16.1	 20.7	 18.2	 15.5	    	  5.5	  0.2
271950	1983	 -4.3	 -2.7	  1.5	  7.3	 12.4	 19.3	 21.7	 20.6	 17.4	  9.1	  3.7	 -4.3
271950	1984	 -6.2	  0.2	 -2.7	  7.1	 12.7	 19.2	 20.5	 20.9	 14.5	 11.2	  4.0	 -0.6
271950	1985	 -8.0	 -3.0	  1.9	  7.4	 14.4	 16.5	 20.5	 19.3	 16.1	 10.3	  3.8	 -4.9
271950	1986	 -4.1	 -5.8	  2.0	  8.8	 14.6	 16.8	 19.9	 18.8	 14.4	  9.6	  1.6	 -2.3
271950	1987	 -5.5	 -4.4	  2.3	  8.7	 14.3	 18.4	 20.9	 18.5	 15.0	  8.7	  3.5	 -1.5
271950	1988	 -4.9	 -3.7	  1.3	  7.1	 14.7	 18.0	 22.2	 21.1	 14.7	  7.1	  4.2	 -4.0
271950	1989	 -2.5	 -4.3	  0.3	  5.8	 15.0	 18.3	 20.4	 19.2	 15.6	 10.4	  2.5	-10.1
271950	1990	 -1.0	 -2.4	  2.4	  8.1	 12.0	 18.4	 20.8	 20.3	 15.0	 11.6	  4.5	 -0.2
271950	1991	 -5.3	 -1.8	  2.1	  9.5	 16.5	 18.4	 20.3	 20.4	 14.0	 10.8	  4.0	 -2.3
271950	1992	 -4.3	 -3.5	 -0.9	  5.6	 13.3	 17.6	 18.4	 18.5	 15.1	  7.8	  1.9	 -2.8
271950	1993	 -3.9	 -7.4	 -0.3	  7.9	 14.4	 17.8	 20.9	 20.1	 15.0	  8.5	  3.7	 -2.4