"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
177479	1970	 -7.8	 -2.9	  1.0	  7.0	 15.6	 19.5	 22.0	 21.5	 16.4	 11.5	  4.7	 -5.6
177479	1971	 -6.6	 -3.1	  0.2	  5.6	 13.2	 19.1	 20.6	 20.4	 17.6	 13.2	  1.9	 -2.6
177479	1972	 -3.6	 -4.9	 -0.5	  4.7	 14.0	 17.7	 21.2	 19.4	 15.7	  8.1	  1.6	 -3.2
177479	1973	 -3.4	 -3.4	  3.5	  8.1	 12.0	 19.1	 22.6	 22.4	 15.2	 10.3	  3.0	  0.3
177479	1974	 -3.6	 -4.2	  0.3	  8.6	 10.7	 17.7	 20.6	 20.5	 15.4	  6.9	  3.8	 -1.3
177479	1975	 -2.9	 -3.5	  0.4	  5.5	 15.9	 18.4	 22.6	 20.8	 14.8	 10.8	  6.4	 -2.9
177479	1976	 -6.3	 -1.1	  2.2	  9.0	 13.3	 21.2	 20.2	 20.2	 15.4	  8.5	  1.1	 -6.1
177479	1977	 -8.3	 -4.3	  4.2	  7.4	 15.1	 17.4	 21.0	 20.4	 15.2	  9.7	  5.2	 -3.6
177479	1978	 -6.2	 -6.1	 -0.5	  5.7	 13.7	 18.3	 21.2	 21.0	 14.3	  9.5	  2.8	 -3.4
177479	1979	 -3.8	 -5.6	  3.2	  6.6	 14.2	 18.2	 22.1	 19.7	 15.7	  9.9	  6.4	 -0.6
177479	1980	 -4.3	 -5.4	  0.6	  7.1	 13.2	 16.8	 21.6	 21.5	 16.2	  8.1	  1.8	 -4.0
177479	1981	 -7.3	  0.1	  2.3	  8.9	 14.3	 18.7	 21.4	 19.7	 15.2	  8.2	  3.6	 -2.4
177479	1982	 -7.8	 -4.6	    	  5.8	 14.4	 15.8	 21.5	 19.0	 16.1	  9.7	  5.6	  0.9
177479	1983	 -3.6	 -2.2	  2.3	  7.6	 12.7	 19.2	 22.1	 21.0	 18.0	  9.7	  4.4	 -3.4
177479	1984	 -5.3	  0.6	 -1.9	  7.5	 13.4	 19.3	 21.3	 22.0	 15.6	 11.3	  4.6	 -0.4
177479	1985	 -8.0	 -2.4	  2.7	  8.0	 14.7	 17.1	 21.5	 20.0	 16.6	 10.2	  4.2	 -4.7
177479	1986	 -3.6	 -5.2	  2.4	  9.1	 14.3	 17.2	 20.0	 19.0	 14.6	  9.7	  2.5	 -1.7
177479	1987	 -5.5	 -4.7	  2.0	    	 13.3	 18.2	 21.1	 18.9	 15.4	  9.1	  3.0	 -1.3
177479	1988	 -4.4	 -3.2	  1.5	  7.2	 14.1	 18.3	 22.9	 22.4	 15.4	  7.7	  4.7	 -3.3
177479	1989	 -2.6	 -3.9	  0.9	  5.8	 14.7	 19.2	 21.3	 20.4	 16.7	 10.2	  3.1	 -8.9
177479	1990	 -1.0	 -2.2	  2.3	  8.0	 12.3	 18.8	 21.5	 21.4	 16.1	 11.7	  5.5	  0.8
177479	1991	 -4.7	 -1.4	  3.1	  9.6	 16.3	 19.3	 21.5	 21.9	 15.3	 11.6	  4.7	 -2.5
177479	1992	 -4.3	 -2.6	 -0.2	  6.4	 12.7	 18.7	 19.8	 19.7	 16.1	  8.4	  2.5	 -1.8
177479	1993	 -4.1	 -6.7	 -0.1	  8.2	 14.2	 18.7	 21.7	 21.0	 16.3	  8.5	  4.2	 -1.1