"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
178974	1970	-10.8	 -5.5	 -1.8	  4.2	 11.8	 17.0	 20.8	 19.4	 13.7	  9.2	  2.5	 -8.1
178974	1971	 -7.7	 -5.1	 -1.9	  4.4	 11.8	 16.4	 19.6	 18.8	 15.4	  9.8	  0.2	 -6.6
178974	1972	 -5.7	 -6.4	 -4.5	  2.6	 11.8	 16.5	 18.9	 17.7	 14.1	  5.9	 -0.2	 -7.5
178974	1973	 -5.5	 -5.7	  0.7	  5.6	 10.3	 17.8	 21.4	 20.2	 13.4	  7.8	  0.2	 -1.0
178974	1974	 -6.9	 -7.1	 -2.1	    	  8.9	 17.1	 18.7	 19.2	 13.8	  5.3	  1.3	 -3.8
178974	1975	 -6.1	 -5.5	 -2.0	  3.0	 12.3	 17.2	 20.8	 19.0	 13.5	  8.5	  3.3	 -5.3
178974	1976	 -7.3	 -4.8	 -1.6	  5.6	 11.7	 19.0	 19.3	 18.8	 13.8	  6.7	 -0.5	 -8.2
178974	1977	 -8.8	 -7.8	  1.3	  4.0	 12.3	 15.2	 19.7	 18.5	 13.4	  8.0	  3.0	 -5.5
178974	1978	 -8.7	 -6.6	 -2.6	  2.7	 13.1	 16.5	 19.6	 18.5	 11.5	    	 -0.2	 -6.0
178974	1979	 -5.3	 -7.5	  1.5	  4.7	 12.4	 16.7	 20.5	 17.7	 13.7	  8.4	  4.0	 -3.5
178974	1980	 -7.3	 -8.4	 -1.8	  6.0	 11.6	 15.4	 19.6	 19.5	 13.5	  6.6	  0.8	 -6.5
178974	1981	 -8.3	 -1.4	 -0.6	  6.0	 12.9	 17.0	 19.8	 18.5	 13.4	  7.4	  1.9	 -2.9
178974	1982	 -8.8	 -7.0	 -1.3	  3.7	 12.1	 15.8	 20.4	 17.2	 14.7	  8.7	  3.4	 -2.6
178974	1983	 -5.6	 -5.7	  0.1	  6.1	 10.6	 17.6	 19.8	 19.7	 15.7	  8.9	  2.7	 -4.8
178974	1984	 -7.8	 -1.8	 -3.5	  5.3	 11.8	 16.6	 20.2	 20.4	 13.5	  8.9	  2.6	 -3.3
178974	1985	 -9.9	 -4.5	 -1.4	  4.7	 11.4	 15.8	 20.6	 18.5	 15.0	  8.3	  1.1	 -7.3
178974	1986	 -5.6	 -7.7	 -1.8	  6.8	 11.7	 14.3	 18.2	 17.4	 12.3	  7.2	 -0.3	 -5.4
178974	1987	 -7.1	 -7.3	 -0.3	  7.7	 11.9	 16.8	 19.3	 17.8	 13.9	  8.2	  1.1	 -4.3
178974	1988	 -5.8	 -5.5	 -2.4	  5.2	 13.1	 16.3	 20.4	 20.0	 13.2	  6.7	  2.9	 -5.9
178974	1989	 -5.9	 -6.4	 -2.7	  3.5	 14.2	 17.0	 19.6	 19.0	 14.7	  8.0	    	-10.1
178974	1990	 -4.4	 -6.0	 -1.2	  5.8	 10.5	 17.2	 20.4	 20.5	 13.4	  9.3	  1.9	 -2.5
178974	1991	 -7.6	 -4.3	 -0.7	  5.5	 13.1	 17.9	 19.2	 19.8	 13.3	  8.8	  1.5	 -6.8
178974	1992	 -7.2	 -7.0	 -3.5	  3.6	 11.9	 16.6	 17.1	 18.4	 14.4	  6.1	 -0.5	 -5.2
178974	1993	 -8.1	    	    	    	    	    	 19.0	 19.1	 13.9	  5.2	  0.9	 -3.2