"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
177349	1970	 -7.1	 -2.6	  1.5	  6.8	 14.3	 18.7	 22.4	 21.6	 16.7	 12.0	  5.3	 -4.8
177349	1971	 -5.7	 -2.6	  1.3	  6.4	 13.1	 19.1	 21.9	 21.1	 18.0	 12.9	  3.1	 -2.1
177349	1972	 -2.4	 -3.8	  0.2	  5.4	 13.4	 17.7	 21.3	 20.0	 16.9	  9.1	  2.9	 -2.6
177349	1973	 -2.1	 -3.1	  4.6	  8.8	 12.3	 19.3	 22.6	 22.6	    	 11.4	  4.6	  2.2
177349	1974	 -2.2	 -3.3	  2.2	  9.0	 11.9	 18.0	 21.3	 21.3	 16.4	  8.5	  4.7	 -0.3
177349	1975	 -1.7	 -2.5	  1.2	  6.1	 15.1	 19.0	 22.9	 21.3	 15.5	 11.5	  7.1	 -2.2
177349	1976	 -5.6	 -0.6	  2.2	  9.9	 13.6	 21.1	 21.3	 20.8	 16.4	  9.4	  3.6	 -4.8
177349	1977	 -7.2	    	  4.7	  8.3	 11.7	 17.6	 22.2	 21.1	 15.8	 10.7	  5.9	 -2.6
177349	1978	 -4.9	 -4.7	 -0.1	  6.6	 14.0	 18.7	 22.3	 21.5	 15.3	 10.7	  3.7	 -1.0
177349	1979	 -3.4	 -5.3	  4.0	  6.9	 14.5	 18.5	 22.7	 20.5	 17.4	 10.7	  7.6	  0.4
177349	1980	 -2.8	 -4.1	  1.2	  8.1	 13.5	 17.5	 22.4	 20.9	 15.9	  8.9	  4.1	 -3.4
177349	1981	 -7.1	    	  3.8	  9.3	 14.9	    	    	    	    	    	    	    
177349	1982	    	    	    	    	    	    	    	    	    	    	    	    
177349	1983	    	    	    	    	    	    	    	    	    	    	    	    
177349	1984	    	    	    	    	    	    	    	    	    	    	    	    
177349	1985	    	    	    	    	    	    	    	    	    	    	    	    
177349	1986	    	    	    	    	    	    	    	    	    	    	    	    
177349	1987	    	    	    	    	    	    	    	    	    	    	    	    
177349	1988	    	    	    	    	    	    	    	    	    	    	    	    
177349	1989	    	    	    	    	    	    	    	    	    	    	    	    
177349	1990	    	    	    	    	    	    	    	    	    	    	    	    
177349	1991	    	    	    	    	    	    	    	    	    	    	    	    
177349	1992	    	    	    	    	    	    	    	    	    	    	    	    
177349	1993