"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
172426	1970	 -9.0	 -4.1	 -0.4	  4.3	  9.9	 14.1	 17.7	 17.8	 13.4	  9.8	  4.8	 -6.0
172426	1971	 -7.2	 -3.9	 -0.1	  4.8	 10.5	 15.0	 18.0	 17.8	 15.0	 11.1	  2.7	 -3.2
172426	1972	 -3.8	 -5.7	 -2.6	  3.4	 10.5	 13.0	 16.6	 17.6	 14.8	  7.7	  2.0	 -3.9
172426	1973	 -3.9	 -4.8	  1.8	  5.6	  8.8	 14.6	 18.4	 17.9	 13.3	  9.5	  2.9	  1.1
172426	1974	 -4.8	 -5.6	 -0.6	  5.2	  8.6	 15.0	 16.8	 18.4	 13.4	  6.9	  3.9	 -0.5
172426	1975	 -3.6	 -5.2	 -0.8	  3.7	 10.3	 14.4	 17.3	 17.1	 13.9	  9.2	  5.7	 -3.3
172426	1976	 -5.7	 -2.6	    	  6.2	 10.8	 16.2	 17.0	 18.1	 14.5	  8.5	  2.6	 -5.1
172426	1977	 -7.7	 -4.7	  2.4	  4.6	 11.3	 12.6	 18.5	 17.4	 13.2	  9.3	  5.1	 -2.3
172426	1978	 -5.8	 -5.6	 -1.4	  4.6	 11.0	 14.0	 17.4	 18.0	 12.4	  8.7	  2.4	 -2.5
172426	1979	 -3.2	 -6.9	  1.8	  5.3	 10.9	 15.2	 17.9	 16.7	 14.4	  9.1	  6.2	 -0.7
172426	1980	 -4.6	 -5.5	 -0.9	  6.0	 10.4	 13.8	 16.8	 18.1	 13.4	  8.2	    	    
172426	1981	    	    	    	    	    	    	 18.2	 17.6	 13.9	  8.6	  4.4	 -0.1
172426	1982	 -8.6	 -5.6	 -0.5	  4.4	 10.0	 13.5	 17.5	 16.1	 14.3	  8.9	  4.9	 -0.2
172426	1983	 -4.1	 -3.9	  0.3	  5.6	  9.7	 15.2	 17.9	 17.8	 15.5	  8.6	  4.2	    
172426	1984	 -6.3	 -0.6	 -3.4	  4.7	  9.9	 14.3	 17.9	 18.7	 13.7	  9.5	  4.3	 -0.5
172426	1985	 -9.4	 -3.3	 -0.6	  5.4	 10.5	 13.9	 17.5	 16.7	 14.7	  8.7	  2.4	 -5.1
172426	1986	 -4.3	 -6.0	 -0.4	  6.7	  9.3	 13.6	 16.4	 16.2	 12.4	  7.8	  1.5	 -2.2
172426	1987	 -5.9	 -6.3	 -0.7	  5.7	 10.1	 14.2	 17.0	 17.0	 13.6	  8.9	  2.3	 -2.8
172426	1988	 -4.6	 -3.8	 -0.3	  4.5	 10.0	 14.4	 16.9	 17.8	 13.2	  7.4	  5.1	 -3.5
172426	1989	 -3.4	 -5.0	 -1.4	  4.3	 11.3	 15.1	 17.3	 17.2	 14.3	  9.6	  2.7	-10.1
172426	1990	 -1.4	 -4.6	 -0.1	  5.7	  9.3	 14.5	 18.8	 18.9	 14.2	 10.4	  4.4	  0.8
172426	1991	 -5.5	 -2.6	  1.2	  6.0	 12.7	 16.4	 18.6	 18.7	 14.0	 10.3	  4.7	 -3.6
172426	1992	 -5.3	 -4.6	 -1.9	  3.9	 10.1	 14.8	 16.1	 16.9	 14.0	  7.9	  2.4	 -2.3
172426	1993	 -5.6	 -8.4	 -1.7	  4.9	 10.5	 14.4	 16.7	 17.7	 13.9	  7.2	  3.8	 -0.7