"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
170275	1970	 -9.3	 -5.0	    	  6.5	 13.3	 17.2	 21.4	 20.6	 15.1	 10.2	  3.5	 -7.6
170275	1971	 -7.5	 -3.8	  0.6	  6.5	 13.8	 20.2	 22.8	 20.8	 17.6	 12.7	  3.0	 -2.6
170275	1972	 -4.6	 -5.2	 -1.2	  5.3	 14.1	 16.7	 21.6	 20.3	 17.0	  8.4	  2.2	 -5.6
170275	1973	 -5.1	 -5.7	  3.3	  8.1	 12.3	 19.4	 23.3	 22.7	 13.9	  9.7	  2.3	 -0.4
170275	1974	 -5.8	 -6.4	 -1.3	  6.1	  9.6	 17.3	 19.8	 20.0	 13.7	  5.5	  2.9	 -2.2
170275	1975	 -4.2	 -3.9	 -0.6	  4.7	 14.2	 17.3	 21.4	 19.8	 14.6	 10.1	  6.1	 -5.3
170275	1976	 -8.2	 -3.1	 -0.1	  7.2	 12.9	 18.9	 19.4	 19.7	 16.1	  8.8	  2.3	 -7.2
170275	1977	 -9.2	 -5.8	  3.3	  6.0	 13.7	 16.0	 20.7	 20.5	 15.1	 10.1	  5.2	 -4.1
170275	1978	 -7.2	 -6.7	 -1.5	  5.4	 14.2	 17.9	 21.4	 21.0	 14.6	  9.2	  2.8	 -3.8
170275	1979	 -4.2	 -7.6	  2.2	  6.4	 12.9	 17.7	 21.7	 19.2	 15.2	  9.5	  5.6	 -1.8
170275	1980	 -5.7	 -6.6	  1.0	  8.5	 13.1	 17.4	 21.5	 21.4	 15.2	  8.7	  2.9	 -6.3
170275	1981	 -8.7	  0.6	  1.8	  7.7	 14.1	 18.1	 20.7	 19.7	 15.3	  8.6	  3.1	 -2.2
170275	1982	 -9.6	 -6.2	    	  6.0	 13.5	 16.2	 21.0	 18.6	 15.7	 10.2	  5.1	 -1.1
170275	1983	 -5.0	 -3.9	  1.6	  6.6	 12.3	 19.1	 22.0	 20.3	 18.2	  8.6	  3.9	 -4.8
170275	1984	 -7.4	 -0.4	 -3.2	  6.6	 11.8	 18.0	 21.4	 21.2	 14.4	 10.1	  4.3	 -1.9
170275	1985	 -9.7	 -4.0	  0.1	  6.3	 12.4	 16.0	 21.7	 19.3	 15.8	  9.5	  2.1	 -5.8
170275	1986	 -5.6	 -6.0	  0.1	  8.5	 12.8	 16.5	 19.5	 19.2	 14.0	  8.4	  0.9	 -3.3
170275	1987	 -6.7	 -5.7	  0.5	  7.9	 12.8	 17.8	 20.1	 19.2	 15.1	  8.6	  2.2	 -2.7
170275	1988	 -6.3	 -4.7	 -0.2	  6.1	 13.6	 17.8	 22.2	 21.3	 14.7	  7.4	  4.3	 -5.5
170275	1989	 -5.1	 -6.1	 -1.7	  5.0	 14.3	 17.8	 20.6	 19.6	 15.1	  9.7	  1.5	-10.8
170275	1990	 -2.9	 -4.9	  0.2	  6.6	 11.7	 18.1	 21.6	 21.4	 15.3	 11.0	  4.2	 -0.6
170275	1991	 -6.3	 -2.7	  1.8	  8.1	 15.0	 18.9	 21.6	 21.1	 14.6	 10.5	  4.1	 -5.0
170275	1992	 -6.0	 -4.9	 -1.4	  5.0	 12.7	 18.1	 18.6	 19.6	 15.1	  7.8	  2.1	 -2.8
170275	1993	 -5.7	 -9.1	 -1.2	  6.7	 13.4	 17.8	 21.1	 21.1	 15.4	  6.9	  3.1	 -2.3