"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
174927	1970	 -9.0	 -6.7	 -1.5	  4.7	 11.7	 16.4	 20.1	 19.2	 13.9	  9.3	  2.5	 -7.4
174927	1971	 -7.4	 -5.8	 -2.6	  4.1	 10.9	 16.8	 18.9	 18.4	 15.1	 10.1	  0.1	 -6.1
174927	1972	 -6.9	 -7.3	 -3.7	  2.5	 11.1	 16.1	 19.0	 17.6	 13.6	  5.7	  0.1	 -7.4
174927	1973	 -5.1	 -5.7	  0.9	  5.8	  9.5	 17.0	 20.7	 20.7	 13.6	  7.5	  0.9	 -1.5
174927	1974	 -6.1	 -7.3	 -2.5	  4.4	  8.7	 15.8	 19.2	 18.8	 13.5	  5.5	  1.6	 -4.2
174927	1975	 -6.1	 -4.7	 -3.7	  2.1	 12.4	 16.7	 20.6	 18.6	 12.4	  8.7	  3.8	 -6.4
174927	1976	 -7.7	 -5.4	 -2.9	  5.9	 10.8	 18.3	 18.2	 18.2	 13.4	  6.6	  0.4	 -8.6
174927	1977	 -9.2	 -6.8	    	    	    	 15.5	 18.8	 18.0	 13.3	  8.1	  3.4	 -5.5
174927	1978	 -8.7	 -7.5	 -3.1	  3.8	 12.7	 16.2	 19.4	 18.5	 12.0	  7.3	  0.3	 -5.8
174927	1979	 -5.9	 -7.1	  1.0	  5.4	 12.5	 17.0	 20.9	 17.8	 13.7	 10.3	  4.7	 -3.5
174927	1980	 -6.7	 -7.4	 -1.5	  6.3	 12.4	 15.9	 19.9	 19.9	 13.3	  6.0	  0.6	 -6.3
174927	1981	 -8.4	 -2.1	  0.5	  6.2	 13.3	 17.9	 19.8	 18.4	 13.5	  6.2	  1.8	 -3.6
174927	1982	 -8.5	 -6.7	 -2.2	  4.0	 12.2	 14.9	 20.0	 16.6	 13.8	  7.2	  2.6	 -2.4
174927	1983	 -5.6	 -4.9	  1.3	  6.1	 10.8	 17.4	 19.6	 17.4	 14.3	  8.0	  2.8	 -5.7
174927	1984	 -7.9	 -2.1	 -4.1	  5.3	 10.9	 16.4	 20.0	 20.3	 12.4	  8.4	  2.0	 -4.1
174927	1985	 -9.6	 -4.7	 -1.4	  5.0	 11.2	 15.0	 20.1	 17.9	 14.0	  8.1	  1.2	 -7.2
174927	1986	 -6.6	 -7.5	 -1.9	  7.1	 11.3	 15.2	 18.3	 17.2	 12.2	  7.0	 -0.6	 -5.1
174927	1987	 -7.4	 -7.2	 -0.2	  7.1	 11.4	 16.9	 19.4	 17.2	 13.7	  7.5	  0.6	 -3.7
174927	1988	 -6.4	 -6.1	 -2.3	  5.1	 12.4	 16.6	 21.0	 19.8	 13.0	  6.3	  2.8	 -6.9
174927	1989	 -6.8	 -7.0	 -4.1	  3.2	 13.3	 17.2	 19.3	 18.0	 14.1	  8.0	  0.3	 -9.4
174927	1990	 -4.8	 -6.3	 -0.9	  5.4	 10.6	 17.1	 19.8	 18.6	 13.9	  9.1	  2.5	 -3.1
174927	1991	 -7.7	 -5.1	 -0.8	  5.8	 13.3	 17.7	 19.6	 19.9	 12.7	  8.9	  2.9	 -6.1
174927	1992	 -7.9	 -6.2	 -3.3	  3.6	 11.4	 16.4	 17.3	 18.1	 14.1	  6.3	  0.5	 -4.1
174927	1993	 -6.8	 -8.4	 -3.0	  5.1	 12.0	 16.7	 19.7	 19.9	 14.1	  5.4	  1.2	 -3.3