"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
179593	1970	    	    	    	    	    	    	    	    	    	    	    	    
179593	1971	    	    	    	    	    	    	    	    	    	    	    	    
179593	1972	    	    	    	    	    	    	    	    	    	    	    	    
179593	1973	    	    	    	    	    	    	    	    	    	    	    	    
179593	1974	    	    	    	    	    	    	    	    	    	    	    	    
179593	1975	    	    	    	    	    	    	    	    	    	    	    	    
179593	1976	    	    	    	    	    	    	    	    	    	  7.8	  1.5	 -6.4
179593	1977	 -8.5	 -6.0	  2.4	  5.4	 12.6	 15.2	 20.0	 19.0	 14.1	  9.2	  5.0	 -3.4
179593	1978	 -7.4	 -7.2	 -2.6	  4.3	 12.4	 15.9	 19.8	 19.4	 13.4	  8.1	  2.5	 -3.3
179593	1979	 -4.5	 -7.4	  2.1	  5.6	 11.9	 16.6	 19.8	 17.7	 14.6	  8.6	  5.9	 -1.6
179593	1980	 -5.5	 -7.1	 -1.3	  6.2	 11.5	 15.4	 19.5	 20.0	 14.0	  7.3	  1.9	 -5.2
179593	1981	 -9.4	 -1.6	  0.9	  6.2	 12.7	 17.0	 19.4	 18.3	 13.9	  7.7	  2.7	 -2.3
179593	1982	 -9.1	 -6.2	 -1.1	  3.8	 11.0	 13.6	 19.4	 16.4	 14.1	  8.5	  4.0	 -1.3
179593	1983	 -5.5	 -4.8	  0.4	  5.3	  9.6	 16.5	 19.6	 18.8	 16.3	  8.4	  3.6	 -4.1
179593	1984	 -7.4	 -1.4	 -4.1	  4.6	 10.6	 15.6	 19.3	 19.5	 13.1	  9.3	  3.4	 -1.7
179593	1985	 -9.9	 -4.1	 -1.0	  4.8	 10.8	 14.3	 19.1	 17.5	 14.4	  8.6	  2.3	 -5.9
179593	1986	 -5.9	 -7.7	 -1.1	  6.6	  9.8	 14.3	 17.2	 16.7	 12.2	  7.8	  0.7	 -3.7
179593	1987	 -7.3	 -7.1	 -0.7	  5.7	 10.7	 15.4	 17.6	 17.6	 13.8	  8.2	  2.1	 -2.7
179593	1988	 -6.6	 -3.2	 -0.3	  5.3	 12.0	 17.4	 20.7	 20.5	 14.3	  7.1	  4.3	 -4.5
179593	1989	 -3.9	 -5.9	 -1.5	  4.2	 13.0	 17.3	 19.9	 18.8	 15.4	  9.8	  2.6	 -9.9
179593	1990	 -1.8	 -4.6	 -0.1	  6.2	 10.5	 16.4	 20.7	 20.7	 14.9	 11.1	  4.7	  0.2
179593	1991	 -6.5	 -2.7	  1.6	  7.3	 14.2	 18.1	 20.4	 20.7	 14.7	 10.0	  4.6	 -3.7
179593	1992	 -5.4	 -4.5	 -1.7	  4.4	 11.9	 17.2	 18.2	 18.8	 15.4	  8.1	  2.8	 -2.0
179593	1993	 -5.0	 -8.3	 -1.0	  5.9	 12.5	 17.4	 20.4	 20.3	 15.2	  7.4	  3.6	 -1.3