"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
172878	1970	-11.0	 -6.6	 -4.1	  2.0	 10.0	 17.4	    	 18.9	 12.0	  8.2	  1.2	 -9.2
172878	1971	 -9.0	 -5.9	 -2.7	  3.2	 12.2	 16.4	 19.2	 16.8	 15.0	  9.4	 -1.0	 -7.8
172878	1972	 -6.8	 -6.9	 -5.2	  1.6	 11.4	 17.4	 19.6	 16.7	 13.7	  3.9	 -2.5	 -9.8
172878	1973	 -7.6	 -7.2	 -2.0	  2.7	  8.2	 16.7	 19.7	 18.5	 11.1	  5.6	 -2.4	 -5.3
172878	1974	 -8.4	 -9.2	 -6.7	  0.8	  6.2	 16.0	 17.5	 16.9	 10.8	  2.9	 -0.6	 -7.2
172878	1975	 -7.6	 -6.6	 -5.4	 -0.4	 11.3	 15.9	 19.9	 16.7	 11.4	  6.0	  0.2	 -8.6
172878	1976	 -8.3	 -7.6	 -4.1	  2.2	 10.3	 17.3	 17.4	 17.3	 11.0	  4.3	 -3.1	-10.2
172878	1977	 -9.7	 -9.0	 -1.0	  1.3	 10.2	 14.4	 16.8	 16.1	 10.3	  5.8	  0.8	 -6.8
172878	1978	 -9.4	 -8.6	 -6.9	  1.0	 11.4	 15.9	 17.8	 16.9	  8.7	  4.1	 -2.7	 -7.9
172878	1979	 -5.9	 -9.8	 -1.1	  2.8	 11.4	 15.7	 19.1	 15.4	 10.6	  6.4	  1.2	 -6.2
172878	1980	 -9.7	 -9.1	 -5.4	  3.6	  9.8	 14.2	 17.2	 18.1	 10.2	  4.4	 -1.6	 -7.9
172878	1981	 -9.6	 -3.1	 -3.4	  2.6	 10.3	 14.6	 18.8	 16.9	 12.1	  4.4	    	 -4.9
172878	1982	-10.0	 -8.6	 -4.1	  0.4	 10.1	 14.9	 17.4	 13.7	 11.7	  6.0	 -0.2	 -5.9
172878	1983	 -8.5	 -8.0	    	  3.7	  8.1	 15.7	 17.5	 17.3	 12.9	  5.5	 -0.8	 -7.6
172878	1984	 -8.5	 -4.8	 -5.3	  2.2	  7.4	 13.6	 18.2	 17.6	  9.7	  5.3	 -1.3	 -7.9
172878	1985	-11.5	 -7.2	 -5.5	 -0.9	  7.8	 13.4	 17.8	 15.6	 11.6	  6.0	 -2.4	 -8.7
172878	1986	 -7.2	 -9.0	 -4.3	  5.5	 11.0	 12.8	 16.7	 15.5	  9.4	  5.3	 -3.3	 -7.4
172878	1987	 -8.5	 -9.6	 -1.4	  6.2	  9.8	 15.6	 18.4	 15.8	 12.0	  6.2	 -2.0	 -6.9
172878	1988	 -7.7	 -7.4	 -5.2	  3.9	 11.6	 14.3	 19.2	 17.7	 11.2	  4.5	  0.7	 -8.8
172878	1989	 -8.2	 -7.4	 -5.1	  1.9	 12.8	 15.3	 17.7	 17.5	 12.6	  6.0	 -2.2	-11.7
172878	1990	 -7.5	 -7.7	 -4.3	  3.4	  9.2	 16.4	 18.1	 18.8	 11.6	  6.3	 -1.1	 -6.3
172878	1991	 -9.2	 -6.4	 -4.3	  3.1	 10.3	 15.5	 18.1	 18.4	 10.4	  6.1	 -0.1	 -8.8
172878	1992	 -8.1	 -9.1	 -6.2	  2.0	 10.9	 15.1	 15.3	 17.1	 13.2	  4.4	 -1.7	 -6.8
172878	1993	 -8.3	 -8.2	 -4.5	  2.9	  9.8	 15.0	 17.7	 18.5	 11.9	  3.1	 -1.7	 -5.5