"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
176430	1970	 -9.9	 -5.3	 -0.7	  5.3	 12.0	 16.9	 21.2	 19.4	 13.5	  9.2	  3.0	 -7.8
176430	1971	 -8.1	 -6.6	 -0.6	  5.5	 12.7	 17.7	 20.6	 19.5	 15.6	 11.2	  1.3	 -4.9
176430	1972	 -5.3	 -6.3	 -2.5	  4.6	 13.6	 17.2	 20.6	 19.3	 14.9	  7.3	  1.3	 -5.8
176430	1973	 -4.2	 -4.1	  2.4	  6.7	 10.8	 18.7	 21.6	 20.9	 14.0	  8.6	  2.1	 -0.1
176430	1974	 -5.2	 -5.9	 -0.2	  6.3	 10.0	 17.8	 20.3	 20.3	 13.8	  6.3	  2.0	 -2.5
176430	1975	 -4.7	 -4.8	 -0.8	  4.7	 14.3	 17.8	 21.6	 19.4	 13.6	  8.7	  3.9	 -5.7
176430	1976	 -7.5	 -3.8	 -0.5	  7.3	 12.4	 19.5	 19.3	 19.1	 14.0	  7.3	  1.0	 -9.0
176430	1977	-10.0	 -7.4	  3.9	  6.5	 14.3	 16.1	 21.0	 18.3	 12.3	    	  2.5	 -4.8
176430	1978	 -7.7	 -7.1	 -2.5	  4.0	 13.7	 16.7	 20.5	 19.5	 11.7	  6.9	  0.3	 -5.2
176430	1979	 -4.7	 -8.0	  1.9	  5.4	 11.9	 16.5	 20.8	 17.2	 12.7	  7.1	  3.7	 -3.2
176430	1980	 -6.6	 -7.1	 -1.4	  6.1	 12.2	 16.2	 20.0	 19.9	 12.2	  5.7	  1.3	 -6.3
176430	1981	 -7.8	    	  1.6	  7.4	 14.3	 18.3	 20.9	 19.6	 14.0	  7.5	  2.5	 -2.2
176430	1982	 -8.4	 -6.5	 -0.2	  5.6	 13.5	 16.7	 22.5	 19.3	 16.2	  9.7	  5.2	 -0.4
176430	1983	 -3.6	 -2.8	  2.6	  8.3	 11.7	 18.5	 21.0	 20.3	 16.3	  8.0	  3.0	 -4.1
176430	1984	 -7.5	 -0.9	 -3.2	  5.6	 10.5	 15.4	 19.6	 18.9	 12.0	  7.0	  1.6	 -4.5
176430	1985	-10.5	 -4.5	 -1.8	  4.4	 10.8	 14.3	 19.7	 17.4	 13.4	  7.2	 -0.2	 -7.7
176430	1986	 -6.2	 -6.5	 -1.1	  6.7	 11.8	 15.3	 18.7	 17.9	 13.0	  7.3	  0.5	 -4.1
176430	1987	 -7.0	 -6.6	 -0.1	  7.4	 12.8	 17.5	 19.5	 18.5	 13.9	  7.9	  1.5	 -3.6
176430	1988	 -5.9	 -4.8	 -0.3	  6.0	 13.8	 17.6	 22.0	 20.5	 14.1	  6.9	  3.5	 -5.1
176430	1989	 -4.8	 -6.4	 -2.5	  3.1	 12.2	 15.4	 18.2	 16.9	 12.4	  6.6	 -0.4	-11.0
176430	1990	 -4.2	 -6.8	 -1.5	  5.1	  9.2	 16.0	 19.0	 19.1	 12.2	  7.9	  1.7	 -2.6
176430	1991	 -7.7	 -4.8	 -0.8	  5.0	 12.8	 16.5	 18.9	 18.3	 11.5	  7.4	  1.7	 -7.4
176430	1992	 -7.7	 -6.5	 -3.3	  3.3	 10.4	 15.7	 16.3	 17.4	 12.5	  5.0	  0.9	 -3.3
176430	1993	 -6.5	 -8.5	 -1.5	  5.6	 12.8	 17.7	 20.5	 20.2	 14.3	  6.2	  2.6	 -3.2