"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
275211	1970	 -8.3	 -4.5	 -0.5	  6.6	 14.7	 18.1	 21.6	 20.9	 16.2	 10.9	  4.8	 -5.1
275211	1971	 -6.8	 -2.9	  0.3	  6.0	 12.3	 18.4	 20.7	 20.5	 17.4	 12.8	  2.6	 -2.9
275211	1972	 -4.4	 -5.0	 -0.4	  4.5	 12.9	 17.9	 21.0	 19.2	 15.9	  7.8	  2.1	 -2.5
275211	1973	 -3.3	 -4.4	  3.2	  8.4	 12.3	 19.1	 22.0	 22.3	 15.5	 10.3	  4.1	  0.1
275211	1974	 -3.5	 -4.5	  0.9	  8.0	 11.5	 17.8	 21.2	 20.6	 15.7	  7.2	  4.6	 -0.9
275211	1975	 -3.4	 -3.6	 -0.1	  5.2	 15.8	 18.6	 22.6	 20.8	 14.5	 10.9	    	 -3.0
275211	1976	 -6.8	 -1.4	  1.8	  9.6	 13.3	 21.2	 20.4	 19.9	 15.1	  8.2	  2.2	 -6.5
275211	1977	 -8.4	 -4.4	  3.9	  8.3	 15.2	 17.8	 21.1	 20.6	 15.4	  9.6	  5.7	 -3.6
275211	1978	 -6.0	 -6.3	 -0.6	  6.0	 14.0	 18.6	 20.7	 20.7	 13.9	  9.3	  3.8	 -3.2
275211	1979	 -4.6	 -7.1	  3.5	    	    	    	    	 20.0	 15.6	  9.4	  6.8	 -0.3
275211	1980	 -4.0	    	  1.1	  7.5	 14.0	 16.9	 21.5	 21.5	 16.2	    	  2.5	    
275211	1981	 -8.0	 -0.7	  1.8	  8.9	 14.5	 19.1	 21.1	 19.3	 15.5	  7.9	  4.0	 -2.8
275211	1982	 -8.1	 -4.6	  0.2	  6.1	 14.4	 16.2	    	    	 15.9	  9.4	  5.9	  0.7
275211	1983	 -4.4	 -2.3	  2.7	  7.8	 12.7	 19.0	 22.1	 21.1	 17.5	  9.5	  4.9	    
275211	1984	 -5.7	  0.3	 -1.8	  7.1	 13.1	 19.4	 21.2	 21.3	 14.9	 10.6	  4.5	    
275211	1985	 -7.5	 -2.2	  2.7	  7.8	 14.1	 17.0	 21.6	 19.7	 16.1	  9.9	  4.5	 -4.4
275211	1986	 -4.1	 -5.0	  2.3	  8.9	 14.3	 17.0	 20.0	 19.1	 14.5	  9.6	  2.3	 -1.4
275211	1987	 -6.2	 -4.5	  1.4	  7.9	 13.5	 18.4	 21.4	 18.7	 14.8	  8.5	  3.3	 -1.0
275211	1988	 -5.8	 -3.3	  1.5	  7.8	 14.5	 18.9	 22.2	 22.3	 15.3	  8.1	  5.1	 -3.6
275211	1989	 -3.1	 -3.1	  1.7	  6.2	 14.8	 19.5	 21.8	 20.1	 16.6	 10.2	  4.7	 -9.9
275211	1990	 -2.3	 -3.7	  0.6	  6.4	 10.7	 18.7	 21.1	 21.1	 16.0	 12.2	  6.0	  0.5
275211	1991	 -5.4	 -3.8	 -0.1	  7.5	    	 18.9	 21.8	 22.1	 14.1	  9.3	  4.5	 -2.4
275211	1992	 -4.5	 -4.0	 -1.4	  5.4	 13.5	 18.6	 18.8	 18.3	 14.2	  6.9	  2.0	 -2.1
275211	1993	 -3.6	 -7.0	 -1.0	  7.8	 14.9	 19.0	 22.0	 21.5	 16.4	  8.5	  3.4	 -1.5