"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
278612	1970	    	    	    	    	    	    	    	    	    	    	    	    
278612	1971	    	    	    	    	    	    	    	    	    	    	    	    
278612	1972	    	    	    	    	    	    	    	    	    	    	    	    
278612	1973	    	    	    	    	    	    	    	    	    	    	    	    
278612	1974	    	    	    	    	    	    	    	    	    	    	  1.0	 -3.4
278612	1975	 -4.9	 -4.8	 -2.9	  2.5	 14.2	 16.1	 20.1	 18.0	 11.7	  8.0	  4.2	 -5.3
278612	1976	 -7.0	 -4.8	 -1.6	  7.3	 10.6	 19.1	 17.8	 17.3	 12.3	  5.8	  0.2	 -8.2
278612	1977	 -9.7	 -6.2	  2.2	  5.6	 12.7	 15.8	 18.2	 17.3	 12.5	  7.0	  3.2	 -5.7
278612	1978	 -8.1	 -7.1	 -2.8	  3.8	 12.4	 16.2	 18.9	 18.1	 11.2	  5.9	  0.4	 -5.6
278612	1979	 -6.3	 -7.1	  1.0	  5.0	 12.1	 16.6	 19.8	 17.0	 12.5	  6.9	  4.5	 -3.2
278612	1980	 -6.6	 -7.5	 -1.5	  5.2	 11.6	 14.8	 19.1	 18.4	 12.9	  5.6	  0.5	 -6.0
278612	1981	 -8.1	 -2.5	  0.4	  6.2	 12.6	 16.5	 19.1	 17.1	 12.5	  5.0	  2.1	 -4.2
278612	1982	 -9.2	 -6.7	 -2.2	  3.3	 12.3	 14.4	 18.7	 16.0	 13.7	  6.6	  3.4	 -1.4
278612	1983	 -6.2	 -4.0	  0.9	  5.4	 10.3	 17.2	 20.1	 18.6	 14.7	  6.9	  2.3	 -5.4
278612	1984	 -7.7	 -1.8	 -3.5	  5.8	 10.4	 16.5	 18.5	 19.3	 11.5	  7.6	  1.6	 -2.4
278612	1985	 -9.5	 -4.8	 -0.6	  5.5	 10.9	 14.5	 19.0	 17.4	 13.5	  7.2	  1.9	 -6.6
278612	1986	 -5.9	 -7.1	 -1.0	  7.5	 12.4	 14.5	 17.9	 16.6	 11.1	  6.7	 -0.3	 -4.3
278612	1987	 -7.1	 -6.1	    	  6.8	 11.6	 16.5	 19.5	 16.1	 12.7	  6.0	  0.9	 -2.4
278612	1988	 -7.0	 -5.7	 -1.7	  4.6	 11.9	 15.6	 20.3	 19.5	 12.1	  5.5	  2.2	 -6.3
278612	1989	 -5.9	 -6.3	 -2.2	  3.2	 12.9	 16.2	 18.8	 16.9	 13.3	  7.3	 -0.1	 -9.6
278612	1990	 -4.8	 -4.8	 -0.5	  5.1	  9.6	 16.4	 19.0	 18.9	 12.8	  9.0	  2.8	 -2.7
278612	1991	 -7.0	 -4.6	  0.2	  6.3	 13.2	 16.9	 18.6	 18.8	 11.9	  8.0	  2.7	 -5.1
278612	1992	 -6.7	 -5.0	 -3.2	  3.7	 11.3	 15.7	 16.9	 17.0	 12.9	  5.3	 -0.3	 -3.6
278612	1993	 -6.1	 -8.1	 -2.3	  5.4	 12.0	 16.4	 19.5	 18.4	 12.7	  4.9	  0.9	 -3.2