"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
273182	1970	    	    	    	    	    	    	    	    	    	    	    	    
273182	1971	    	    	    	    	    	 18.0	 19.9	 18.4	 14.9	 10.2	  0.6	 -4.0
273182	1972	 -5.9	 -5.7	 -1.8	  3.2	 12.7	 16.9	 20.5	 17.9	 14.1	  5.9	  0.3	 -4.6
273182	1973	 -3.9	 -6.0	  2.3	  7.1	 11.1	 18.3	 21.0	 21.2	 14.0	  8.6	  2.5	 -2.2
273182	1974	 -4.9	 -6.5	 -1.5	  6.4	 10.4	 17.2	 20.2	 19.5	 14.1	  4.8	  2.3	 -2.8
273182	1975	 -4.7	 -4.5	 -2.2	  3.2	 15.1	 17.4	 21.4	 19.0	 12.9	  9.0	  5.1	 -4.8
273182	1976	 -6.7	 -3.4	 -0.8	  8.1	 11.7	 20.4	 19.0	 18.3	 13.2	  6.4	  0.3	 -8.0
273182	1977	 -8.6	 -5.7	  2.4	  6.8	 13.9	 16.6	 19.2	 18.6	 13.4	  7.7	  3.9	 -4.9
273182	1978	 -7.0	 -7.3	 -2.2	  4.7	 13.4	 17.4	 20.0	 19.4	 12.4	  7.1	  1.5	 -5.6
273182	1979	 -5.9	 -7.3	  1.5	  5.5	 13.1	 17.6	 21.0	 18.2	 13.9	  7.8	  4.5	 -2.8
273182	1980	 -6.6	 -7.2	 -1.0	  5.8	 12.5	 16.1	 20.8	 20.2	 14.6	  7.1	  0.7	 -5.9
273182	1981	 -8.3	 -1.9	  0.9	  7.5	 13.7	 18.1	 20.5	 18.6	 14.2	  6.4	  2.8	 -3.8
273182	1982	 -9.1	 -6.2	 -1.7	  4.3	 13.4	 15.3	 20.2	 17.3	 14.7	  7.5	  4.0	 -1.3
273182	1983	 -6.1	 -3.6	  1.3	  6.2	 11.1	 18.0	 20.6	 19.5	 15.7	  7.6	  2.7	 -5.1
273182	1984	 -7.1	 -1.6	 -3.0	  6.5	 11.3	 18.0	 19.8	 20.7	 13.1	  8.6	  1.8	 -2.7
273182	1985	 -9.2	 -4.5	    	  5.8	 11.7	 15.6	 20.1	 19.2	 14.8	  8.9	  3.4	 -5.0
273182	1986	 -5.4	 -6.1	  0.5	  8.6	 14.1	 16.5	 19.7	 19.1	 13.6	  8.6	  1.1	 -2.7
273182	1987	 -5.8	 -5.1	  1.1	  8.0	 13.0	 18.2	 21.6	 18.4	 15.0	  7.5	  2.3	 -1.6
273182	1988	 -6.1	 -4.6	 -0.1	  6.4	 13.8	 17.8	 22.5	 21.6	 14.3	  7.1	  3.5	 -5.2
273182	1989	 -4.8	 -5.9	 -0.5	  4.7	 14.3	 18.2	 20.9	 19.5	 15.7	  9.2	  1.9	 -9.8
273182	1990	 -3.1	 -4.2	  0.8	  6.9	 11.0	 18.3	 21.4	 20.9	 15.3	 10.7	  3.8	 -2.0
273182	1991	 -6.6	 -2.2	  1.5	  8.2	 15.3	 18.8	 20.9	    	    	    	    	    
273182	1992	    	    	    	    	    	    	    	    	    	    	    	    
273182	1993