"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
170844	1970	 -8.5	 -3.5	 -0.2	  6.7	    	    	    	    	    	  9.4	  3.3	 -7.1
170844	1971	 -7.8	 -5.1	 -1.1	  4.8	 11.4	 17.2	 20.0	 19.1	 16.0	 10.9	  1.0	 -3.7
170844	1972	 -5.6	 -6.2	 -2.1	  3.0	 12.1	 16.5	 20.1	 17.5	 14.1	  6.6	  0.9	    
170844	1973	 -4.8	 -5.3	  1.9	  6.9	 10.5	 17.7	 21.1	 21.3	 14.6	  8.7	  1.7	 -1.1
170844	1974	 -5.2	 -6.4	 -1.6	  5.4	  9.9	 16.7	 19.5	 19.2	 13.7	  5.0	  2.6	 -2.9
170844	1975	 -4.8	 -4.5	 -4.3	  2.8	 14.7	 16.8	 21.4	 19.1	 12.9	  8.7	  5.1	 -5.5
170844	1976	 -7.4	 -4.0	 -1.1	  7.3	 11.1	 18.9	 18.7	 18.8	 13.7	  6.2	  0.5	 -7.7
170844	1977	 -8.8	 -5.2	  3.0	  6.2	 13.6	 16.4	 19.3	 18.8	 14.2	  8.4	  3.9	 -5.2
170844	1978	 -7.4	 -7.3	 -2.4	  3.9	 13.4	 16.9	 19.6	 18.6	 12.4	  6.8	  0.9	 -5.1
170844	1979	 -5.9	 -6.9	  1.0	  3.7	 12.4	 16.5	 19.8	 17.3	 12.4	  7.1	  3.6	 -3.0
170844	1980	 -6.4	 -7.5	 -1.9	  4.7	 10.7	 14.9	 18.7	 18.2	 13.0	  7.0	  2.6	 -5.5
170844	1981	 -7.9	 -1.8	  0.9	  6.4	    	 17.1	 18.5	 16.8	 12.1	    	  2.7	 -2.9
170844	1982	 -8.8	 -5.7	 -1.4	  5.0	 12.5	 14.8	 20.0	 17.3	 14.3	  8.6	  5.0	 -1.5
170844	1983	 -5.0	 -3.5	  0.7	  5.3	 10.6	 17.3	 19.7	 19.0	 15.5	  7.8	    	    
170844	1984	    	    	    	    	    	    	    	    	    	    	    	    
170844	1985	    	    	    	    	 12.6	 15.7	 20.5	 18.1	 14.7	  8.7	  2.0	 -6.6
170844	1986	 -5.9	 -7.3	 -0.7	  5.6	 12.4	 14.9	 18.2	 17.3	 12.2	  7.6	 -0.2	 -5.0
170844	1987	 -7.8	 -6.4	  0.3	  6.8	 11.7	 16.6	 19.5	 17.1	 13.6	  6.8	  1.1	 -2.9
170844	1988	 -7.0	 -5.7	 -1.4	  5.5	 12.8	 16.8	 21.0	 20.4	 13.4	  6.3	  2.9	 -6.2
170844	1989	 -6.0	 -6.4	 -2.3	  3.5	 13.5	 16.8	 19.6	 18.1	 14.5	  8.3	  0.7	-10.0
170844	1990	 -4.8	 -5.1	 -0.5	  5.9	 10.8	 16.9	 20.1	 19.6	 13.8	  9.4	  2.5	 -2.8
170844	1991	 -7.2	 -4.7	  0.2	  7.1	 13.4	 17.2	 19.2	 19.5	 12.5	  9.0	  2.9	 -5.4
170844	1992	 -7.2	 -4.9	 -3.0	  4.1	 11.7	 16.3	 17.2	 17.1	 13.3	  6.0	  0.5	 -3.8
170844	1993	 -6.5	 -8.7	 -2.4	  5.3	 12.3	 16.3	 19.3	 18.3	 12.3	  4.7	  0.4	 -3.8