"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
170355	1970	-10.4	 -6.4	 -2.1	  4.8	 11.3	 16.0	 20.3	 19.9	 14.8	 10.3	  2.7	 -8.6
170355	1971	 -8.4	 -6.1	 -3.1	  3.7	 11.4	 18.1	 18.9	 19.8	 17.1	 10.5	  0.7	 -5.5
170355	1972	    	 -7.1	 -3.6	  3.8	 12.3	 16.3	 19.8	 19.1	 15.1	  7.0	  1.0	 -7.4
170355	1973	 -5.6	 -5.6	  1.4	  6.4	 10.2	 17.4	 20.7	 20.7	 13.3	  8.5	  2.1	  0.1
170355	1974	 -5.7	 -6.4	 -1.1	  5.8	  9.5	 17.2	 19.5	 19.9	 14.1	  6.3	  1.7	 -3.1
170355	1975	 -5.3	 -5.6	 -2.0	  4.1	 13.8	 17.3	 21.9	 19.9	 14.5	  9.7	  4.6	 -5.4
170355	1976	 -7.4	 -3.8	 -0.8	  7.3	 12.2	 18.6	 19.2	 19.1	 14.3	  7.0	  0.7	 -7.5
170355	1977	 -9.3	 -6.1	  2.3	  4.8	 12.5	 15.2	 19.7	 17.6	 13.3	  9.0	  4.2	 -4.7
170355	1978	 -9.1	 -8.9	 -2.6	  4.7	 12.5	 16.3	 20.2	 19.5	 12.5	  8.2	  1.6	 -4.6
170355	1979	 -4.1	 -7.9	  2.4	  6.1	 12.8	 16.7	 20.9	 18.3	 15.5	  9.8	  5.9	 -2.4
170355	1980	 -6.2	 -7.6	 -1.5	  6.0	 11.8	 15.6	 19.7	 20.9	 13.8	  6.0	  1.1	 -6.7
170355	1981	 -8.7	 -0.4	  1.1	  7.0	 13.4	 17.5	 20.5	 19.0	 14.3	  7.9	  2.3	 -2.4
170355	1982	 -9.1	 -7.8	 -0.8	  4.1	 12.6	 15.9	 20.9	 17.7	 15.6	  9.0	  3.8	 -1.8
170355	1983	 -6.0	 -4.5	  1.2	  7.3	 11.3	 18.6	 21.4	 20.2	 17.2	  9.0	  3.6	 -4.1
170355	1984	 -7.0	 -0.8	 -3.2	  6.4	 10.9	 17.2	 20.6	 20.8	 13.8	  9.9	  4.1	 -2.4
170355	1985	-10.1	 -3.3	 -0.2	  5.4	 12.0	 15.9	 21.1	 19.4	 16.3	  9.9	  2.5	 -5.6
170355	1986	 -5.0	 -6.5	 -0.1	  8.4	 13.1	 17.3	 19.5	 19.3	 14.5	  8.5	  1.5	 -3.1
170355	1987	 -6.6	 -6.0	  0.5	  8.0	 12.8	 17.8	 19.4	 18.4	 14.0	  8.0	  1.2	 -3.4
170355	1988	 -6.5	 -5.2	 -0.9	  6.0	 13.4	 16.9	 21.4	 20.1	 14.9	  7.9	  5.1	 -4.9
170355	1989	 -4.9	 -6.6	 -2.1	  4.5	 14.0	 18.0	 20.3	 19.0	 15.0	 10.0	  1.8	-10.3
170355	1990	 -3.0	 -5.8	 -0.4	  6.4	 11.1	 17.1	 20.9	 20.8	 14.5	 10.1	  3.7	 -1.1
170355	1991	 -7.7	 -3.3	  1.1	  7.3	 14.2	 18.5	 21.0	 20.8	 14.0	 10.1	  3.9	 -6.2
170355	1992	 -7.0	 -6.1	 -2.2	  4.4	 12.3	 17.8	 18.1	 19.4	 14.5	  7.2	  1.7	 -3.7
170355	1993	 -6.6	 -9.2	 -2.1	  6.1	 13.2	 17.8	 20.9	 20.9	 14.8	  6.6	  2.6	 -2.6