"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
193624	1970	 -6.6	 -0.7	  1.4	  8.5	 14.4	 18.6	 22.5	 21.3	 17.0	 11.8	  6.5	 -1.8
193624	1971	 -4.7	 -1.1	  2.2	  7.0	 12.9	 19.3	 22.2	 21.6	 18.7	 13.8	  4.7	  1.0
193624	1972	 -0.6	 -2.5	  1.7	  5.9	 13.6	 17.9	 21.6	 20.4	 17.0	  9.2	  4.4	  1.2
193624	1973	 -0.6	 -1.3	  5.6	  9.8	 13.5	 20.3	 22.0	 22.6	 16.7	 11.4	  6.0	  3.5
193624	1974	 -0.8	 -1.8	  3.9	 10.4	 12.3	 17.8	 21.5	 21.2	 17.1	  9.3	  5.9	  1.4
193624	1975	  0.6	 -1.1	  1.9	  6.3	 15.6	 18.6	 23.0	 20.7	 15.8	 12.3	  8.9	  0.4
193624	1976	 -4.0	  1.8	  4.1	 11.0	 14.2	 20.9	 21.5	 20.7	 16.4	  9.9	  3.9	 -3.4
193624	1977	 -6.4	 -1.7	  5.9	  9.4	 15.7	 18.1	 22.4	 21.7	 16.7	 11.3	  7.2	 -0.4
193624	1978	 -3.1	 -5.1	  1.0	  7.6	 13.9	 18.9	 21.6	 21.1	 15.3	 10.5	  5.3	  0.6
193624	1979	 -0.6	 -5.5	  5.1	  7.9	 15.7	 18.3	 22.9	 20.9	 16.6	 11.1	  8.8	  2.5
193624	1980	 -1.7	 -3.3	  2.4	  9.1	 13.8	 17.7	 23.1	 22.1	 18.1	 10.1	  4.8	 -2.3
193624	1981	 -6.6	  2.4	  3.3	 10.1	 14.6	 20.0	 22.3	 20.3	 15.9	  9.8	  5.8	    
193624	1982	 -5.3	 -1.2	  2.9	  7.8	 13.3	 16.3	 21.7	 19.4	 16.5	 11.1	  8.2	  3.2
193624	1983	 -1.1	 -0.3	  4.2	  8.6	 13.2	 19.4	 23.0	 21.4	 18.2	 11.3	  6.8	 -0.2
193624	1984	 -3.3	  2.8	    	  7.3	 13.7	 19.9	 21.7	 21.6	 15.8	 11.9	  6.8	  3.2
193624	1985	 -4.9	 -0.2	  4.5	  9.0	 14.5	 17.1	 21.7	 20.3	 17.0	 12.2	  7.4	 -1.1
193624	1986	 -0.3	 -1.9	  4.3	  8.5	 14.2	 17.8	 20.4	 19.5	 15.6	 10.8	  5.1	  1.7
193624	1987	 -2.2	 -1.9	  3.1	  7.7	 14.5	 19.3	 21.7	 19.8	 16.8	 10.3	  5.9	  1.5
193624	1988	 -2.5	 -0.5	  3.8	  7.6	 13.7	 18.8	 22.6	 22.7	 16.1	  9.1	  7.2	 -0.1
193624	1989	  0.5	 -1.1	  2.3	  7.1	 15.2	 18.9	 21.2	 20.9	 17.0	 11.8	  5.2	 -6.4
193624	1990	  1.9	  1.2	  4.4	  8.5	 12.3	 18.9	 22.2	 21.6	 16.9	 13.8	  7.9	  4.0
193624	1991	 -1.7	  1.4	  5.0	 10.2	 16.6	 19.4	 22.1	 22.1	 16.2	 12.9	  6.5	  1.8
193624	1992	 -1.3	 -0.5	  1.7	  7.2	 12.6	 19.0	 19.9	 20.2	 16.7	 10.1	  5.0	  1.5
193624	1993	 -0.8	 -4.1	  1.0	  8.2	 15.0	 19.3	 22.2	 21.8	 17.5	 10.5	  6.1	  0.3