"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
190736	1970	 -7.8	 -1.9	  0.8	  8.4	 14.5	 18.1	 22.3	 21.7	 17.0	 12.1	  6.3	 -3.6
190736	1971	 -6.0	 -2.0	  1.3	  6.2	 12.8	 19.3	 22.1	 21.6	 18.7	 14.1	  3.8	 -0.2
190736	1972	 -1.9	 -3.6	  0.2	  5.5	 13.2	 17.1	 21.4	 20.0	 16.7	  8.8	  3.3	 -0.4
190736	1973	 -1.5	 -2.9	  5.1	  9.1	 13.0	 19.9	 21.8	 22.5	 16.6	 11.5	  5.3	  1.8
190736	1974	 -1.8	 -3.0	  2.5	  9.3	 11.9	 17.8	 21.3	 21.8	 16.4	  8.6	  5.3	  1.0
190736	1975	 -0.6	 -2.0	  1.1	  5.9	 15.5	 18.1	 22.8	 20.7	 15.5	 12.4	  8.9	 -0.8
190736	1976	 -5.2	  1.1	  3.0	 10.8	 13.9	 20.7	 21.1	 20.3	 16.2	  8.9	  2.9	 -4.3
190736	1977	 -7.4	 -2.5	  5.5	  9.0	 15.3	 17.6	 22.0	 21.5	 16.3	 10.6	  6.4	 -1.7
190736	1978	 -4.7	 -5.3	  0.3	  6.8	 13.6	 18.6	 21.4	 21.1	 15.0	 10.2	  4.9	 -0.4
190736	1979	 -2.1	 -6.6	  4.0	  7.6	 14.9	 18.0	 22.7	 20.4	 16.7	 10.4	  8.1	  1.2
190736	1980	 -3.0	 -4.2	  1.6	  8.7	 14.0	 17.4	 22.8	 21.7	 17.7	  9.5	  3.4	 -3.1
190736	1981	 -7.5	  1.4	  2.3	  9.2	 14.7	 19.6	 22.1	 20.8	 15.6	  9.1	  4.9	 -1.2
190736	1982	 -6.6	 -2.5	  1.9	  6.9	 13.5	 16.1	 22.0	 18.9	 16.5	 10.9	  7.0	  1.9
190736	1983	 -2.4	 -1.2	  3.2	  8.2	 12.2	 19.3	 23.0	 21.1	 18.6	 10.7	  6.4	 -1.4
190736	1984	 -4.5	  1.8	 -1.1	  7.2	 13.4	 19.7	 21.5	 21.6	 15.7	 12.0	  5.6	  2.4
190736	1985	 -6.3	 -1.1	  3.2	  8.6	 14.1	 16.7	 21.8	 20.3	 17.2	 11.7	  6.2	 -2.2
190736	1986	 -1.8	 -3.6	  3.7	  8.4	 14.1	 17.2	 20.1	 19.5	 15.8	 10.5	  4.1	  0.2
190736	1987	 -3.4	 -3.0	  2.7	  7.5	 14.2	 19.0	 21.7	 20.1	 16.6	 10.3	  5.3	  0.5
190736	1988	 -3.8	 -1.5	  2.7	  7.0	 13.8	 18.9	 22.7	 23.0	 16.4	  8.7	  6.7	 -1.4
190736	1989	 -0.5	 -2.6	  1.7	  7.1	 14.8	 18.7	 21.2	 20.8	 17.3	 11.9	  4.3	 -7.8
190736	1990	  1.2	 -0.4	  3.4	  7.9	 12.0	 18.6	 21.7	 21.6	 16.7	 13.3	  7.1	  2.6
190736	1991	 -2.8	    	  3.9	  9.7	 16.7	 19.3	 22.3	 21.7	 15.9	 12.3	  5.7	  0.2
190736	1992	 -2.3	 -1.6	  0.3	  6.6	 12.9	 18.5	 19.9	 20.1	 16.1	  9.6	  4.2	 -0.5
190736	1993	 -2.4	 -5.2	  0.4	  7.7	 14.7	 19.1	 22.4	 22.3	 16.7	  9.7	  5.9	 -0.7