"station_id"	"year"	"Jan"	"Feb"	"Mar"	"Apr"	"May"	"Jun"	"Jul"	"Aug"	"Sep"	"Oct"	"Nov"	"Dec"
196783	1970	 -7.4	 -2.2	  0.6	  7.7	 14.4	 18.3	 22.4	 21.0	 16.8	 11.1	  5.3	 -4.0
196783	1971	 -5.9	 -1.8	  1.5	  6.3	 12.3	 18.7	 21.4	 21.0	 18.1	 13.2	  3.1	 -0.5
196783	1972	 -2.4	 -3.5	  0.3	  5.3	 13.2	 17.8	 22.0	 19.8	 16.1	  8.0	  3.1	 -1.2
196783	1973	 -1.9	 -2.5	  4.5	  9.3	 13.1	 19.7	 22.1	 22.7	 16.1	 10.6	  5.1	  1.4
196783	1974	 -1.6	 -3.4	  2.6	  9.4	 11.6	 17.6	 21.4	 21.2	 16.2	  7.9	  4.8	  0.3
196783	1975	 -0.9	 -2.2	  0.8	  5.7	 15.5	 18.2	 23.3	 20.6	 15.3	 11.3	  7.9	 -1.3
196783	1976	 -5.7	  0.6	  3.0	 10.0	 13.8	 21.2	 21.0	 20.3	 15.6	  9.1	  2.6	 -4.9
196783	1977	 -7.8	 -2.9	  5.2	  8.8	 14.9	 17.8	 21.4	 21.2	 16.3	 10.5	  6.3	 -2.3
196783	1978	 -4.4	 -6.0	  0.2	  6.8	 14.0	 18.7	 21.2	 21.2	 14.9	  9.8	  4.4	 -0.7
196783	1979	 -1.9	 -6.0	  4.4	  7.5	 14.9	 18.6	 22.8	 20.5	 16.3	 10.1	  7.6	  1.0
196783	1980	 -2.9	 -4.2	  1.6	  8.1	 13.7	 17.4	 22.7	 21.8	 17.2	  9.2	  3.3	 -3.1
196783	1981	 -7.7	  1.4	  2.8	  9.6	 14.6	 19.7	 21.9	 20.5	 15.5	  8.5	  4.5	 -1.5
196783	1982	 -6.7	 -2.7	  1.9	  6.9	 13.8	 16.1	 21.7	 19.1	 16.1	  9.8	  6.7	  1.8
196783	1983	 -2.9	 -1.6	  3.6	  8.4	 13.0	 19.2	 22.5	 21.7	 18.3	 10.5	  5.9	 -1.5
196783	1984	 -4.7	  1.3	 -0.7	  7.4	 13.2	 19.9	 21.7	 21.8	 15.4	 11.4	  4.8	  1.7
196783	1985	 -6.7	 -1.1	  3.3	  8.6	 14.0	 17.0	 21.9	 20.3	 16.8	 11.0	  5.6	 -2.5
196783	1986	 -1.9	 -3.7	  3.7	  8.9	 14.2	 17.0	 20.3	 19.5	 15.4	  9.7	  3.4	 -0.1
196783	1987	 -4.1	 -3.3	  2.4	  7.7	 14.3	 19.0	 22.1	 19.8	 16.4	  9.3	  4.8	  0.3
196783	1988	 -3.8	 -1.8	  2.9	  7.5	 14.0	 18.5	 22.7	 22.9	 15.6	  8.7	  5.8	 -1.7
196783	1989	 -0.7	 -2.6	  1.7	  6.6	 15.1	 18.8	 21.4	 21.1	 16.6	 10.7	  4.2	 -7.6
196783	1990	  0.5	 -0.5	  3.3	  8.4	 12.1	 18.6	 22.0	 21.3	 16.3	 12.5	  6.7	  2.7
196783	1991	 -3.3	  0.2	  4.0	  9.9	 16.7	 19.2	 21.7	 22.0	 15.4	 11.9	  5.7	    
196783	1992	 -2.4	 -1.5	  0.4	  6.8	 12.8	 18.6	 19.5	 19.9	 16.0	  8.9	  3.9	 -1.0
196783	1993	 -2.4	 -5.5	  0.1	  8.0	 14.6	 18.9	 22.0	 21.7	 16.4	  9.1	  4.9	 -0.7