"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
176937	1970	-11.4	 -7.3	 -3.7	  3.0	 10.6	 16.7	 20.4	 18.6	 12.1	  8.4	  0.9	 -9.2
176937	1971	 -9.3	 -6.7	 -3.6	  2.5	 11.8	 16.2	 18.9	 17.3	 14.7	  9.0	 -1.5	 -8.1
176937	1972	 -7.3	 -8.5	 -6.1	  1.0	 11.6	 16.9	 18.6	 16.8	 13.6	  4.8	 -2.1	-10.0
176937	1973	 -7.5	 -6.9	 -1.0	  3.6	  9.7	 18.0	 21.1	 19.5	 12.5	  7.0	 -1.7	 -4.1
176937	1974	 -8.6	 -8.8	 -4.3	  2.8	  7.7	 17.1	 18.3	 18.0	 12.2	  4.3	 -0.2	 -6.3
176937	1975	 -8.3	 -6.9	 -4.0	  1.1	 12.5	 17.3	 21.1	 17.9	 12.9	  7.0	  1.4	 -8.0
176937	1976	 -9.1	 -7.2	 -3.3	  3.6	 10.8	 18.0	 18.1	 17.6	 12.5	  5.6	 -2.0	-10.3
176937	1977	-10.2	 -8.7	  0.4	  2.4	 12.3	 14.9	 18.7	 17.8	 11.6	  7.1	  1.4	 -6.7
176937	1978	 -9.7	 -8.4	 -5.1	  1.9	 13.3	 17.0	 18.9	 18.3	 10.9	  5.7	 -1.1	 -7.2
176937	1979	 -6.5	 -8.7	  0.4	  4.6	 12.4	 17.1	 20.5	 16.9	 13.0	  7.8	  2.5	 -5.0
176937	1980	 -8.8	 -9.1	 -3.6	  5.2	 10.4	 15.5	 18.4	 19.0	 11.3	  5.2	 -0.8	 -8.4
176937	1981	 -9.8	 -2.4	 -1.8	  4.9	 12.3	 15.9	 19.1	 17.8	 12.3	  5.5	  0.8	 -4.3
176937	1982	    	 -9.0	 -2.9	  2.2	 11.5	 15.5	 18.9	 15.7	 13.7	  7.7	  1.2	 -4.4
176937	1983	 -7.3	 -7.2	 -1.8	  5.4	 10.3	 17.5	 18.9	 18.8	 14.9	  7.0	  0.6	 -7.0
176937	1984	 -9.2	 -3.5	 -4.8	  4.6	 10.5	 15.7	 19.7	 19.9	 12.0	  7.3	  1.3	 -5.7
176937	1985	-11.5	 -5.8	 -3.0	  2.8	 10.8	 15.4	 19.5	 17.5	 14.2	  7.3	 -1.6	 -8.0
176937	1986	 -7.5	 -8.8	 -2.9	  6.4	 11.9	 14.5	 17.5	 17.1	 10.9	  6.2	 -2.3	 -6.6
176937	1987	 -8.9	 -9.0	 -1.5	  7.6	 11.4	 16.4	 19.2	 17.3	 13.6	  7.7	 -1.2	 -6.4
176937	1988	 -7.3	 -7.5	 -3.4	  4.5	 12.8	 15.7	 20.3	 18.8	 12.2	  5.6	  1.6	 -7.6
176937	1989	 -7.4	 -8.5	 -4.1	  3.2	 14.4	 16.5	 18.6	 18.2	 14.4	    	 -1.3	-11.5
176937	1990	 -6.5	 -7.5	 -3.0	  4.8	  9.8	 17.3	 19.5	 19.7	 12.7	  7.5	 -0.1	 -4.5
176937	1991	 -9.5	 -6.0	 -2.6	  4.5	 12.2	 17.1	 19.5	 19.2	 11.8	  7.9	  0.6	 -8.3
176937	1992	 -8.5	 -8.4	 -5.3	  3.1	 12.7	 16.4	 16.0	 18.1	 14.5	  5.6	 -1.2	 -5.9
176937	1993	 -8.9	-10.2	 -3.5	  4.3	 11.3	 16.1	 18.5	 19.1	 13.0	  4.6	 -0.4	 -4.6