"station_id" "year" "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oct" "Nov" "Dec" 176905 1970 -7.9 -3.7 0.2 6.4 13.2 17.5 21.2 20.4 16.1 10.9 5.2 -6.6 176905 1971 -8.0 -4.2 -0.2 5.3 11.5 17.9 20.6 20.5 16.3 11.4 1.9 -2.5 176905 1972 -5.0 -5.5 -1.5 4.8 11.4 15.3 19.7 18.5 14.8 7.3 1.6 -4.5 176905 1973 -4.3 -4.5 3.1 7.5 10.7 17.7 21.6 21.6 14.6 9.5 3.2 0.8 176905 1974 -4.1 -4.2 1.0 7.2 10.3 16.3 20.1 19.9 14.9 7.1 4.0 -1.0 176905 1975 -2.6 -3.4 -1.2 4.4 13.1 16.4 21.2 19.3 14.0 9.6 6.1 -3.5 176905 1976 -7.1 -2.1 -0.3 7.2 11.3 18.8 18.8 18.6 14.0 6.4 2.3 -6.6 176905 1977 -8.8 -5.6 2.3 5.8 12.4 15.0 20.1 19.2 14.2 9.0 4.1 -3.4 176905 1978 -5.9 -6.1 -1.0 4.8 11.5 16.1 20.0 20.3 14.3 9.0 2.4 -3.2 176905 1979 -4.2 -7.2 2.0 5.6 12.9 17.0 20.7 18.2 14.1 8.6 5.8 -1.2 176905 1980 -5.2 -6.3 0.1 6.8 12.0 16.1 20.9 21.7 16.4 7.7 2.3 -4.6 176905 1981 -8.4 0.1 2.0 7.3 12.9 17.7 20.4 18.9 14.8 8.1 3.8 -1.6 176905 1982 -7.9 -4.8 0.2 5.5 12.6 14.6 20.6 18.0 15.1 8.9 5.2 176905 1983 -3.6 -3.0 2.1 6.9 11.1 17.6 20.9 19.7 17.2 8.8 4.5 -3.1 176905 1984 -6.2 -2.1 6.3 11.6 17.7 20.9 20.6 14.3 9.8 4.0 -0.5 176905 1985 -8.6 -2.8 1.5 6.7 12.0 16.5 21.0 19.2 15.9 10.4 4.4 -4.1 176905 1986 -3.8 -4.8 1.4 8.0 12.0 16.0 19.0 19.0 14.1 8.8 2.4 -1.4 176905 1987 -5.6 -4.5 1.1 7.2 12.5 17.6 20.0 19.0 15.3 8.4 3.4 -1.0 176905 1988 -5.0 -3.2 1.2 6.4 12.6 17.7 21.7 21.7 15.2 8.0 5.0 -3.3 176905 1989 -2.8 -4.5 -0.2 5.1 13.1 17.7 20.8 20.0 15.8 9.9 2.9 -9.1 176905 1990 -1.0 -3.4 1.5 7.0 11.0 16.9 21.2 21.0 15.4 11.4 5.4 0.9 176905 1991 -4.8 -1.2 2.8 7.7 14.5 18.6 21.1 21.0 14.5 10.4 4.7 -3.1 176905 1992 -4.4 -3.2 -0.7 5.2 11.0 17.4 18.8 19.3 14.9 8.5 3.1 -1.7 176905 1993 -4.6 -7.6 -1.2 6.2 12.7 18.1 21.0 20.8 15.3 7.9 3.9 -1.1