7 year month mean temp values mean 24 hour max extreme maximum temperature mean 24 hour min extreme minimum temperature 1977 1 0.9 -999 -999 -999 -999 1977 2 0.7 -999 -999 -999 -999 1977 3 -1.9 -999 -999 -999 -999 1977 4 -1.9 -999 -999 -999 -999 1977 5 -7.1 -999 -999 -999 -999 1977 6 -10.2 -999 -999 -999 -999 1977 7 -14.8 -999 -999 -999 -999 1977 8 -11.6 -999 -999 -999 -999 1977 9 -17.5 -999 -999 -999 -999 1977 10 -10.3 -999 -999 -999 -999 1977 11 -2.5 -999 -999 -999 -999 1977 12 0.2 -999 -999 -999 -999 1978 1 -999 -999 -999 -999 -999 1978 2 -999 -999 -999 -999 -999 1978 3 -999 -999 -999 -999 -999 1978 4 -999 -999 -999 -999 -999 1978 5 -999 -999 -999 -999 -999 1978 6 -999 -999 -999 -999 -999 1978 7 -999 -999 -999 -999 -999 1978 8 -999 -999 -999 -999 -999 1978 9 -999 -999 -999 -999 -999 1978 10 -999 -999 -999 -999 -999 1978 11 -999 -999 -999 -999 -999 1978 12 -999 -999 -999 -999 -999 1979 1 -999 -999 -999 -999 -999 1979 2 -999 -999 -999 -999 -999 1979 3 -999 -999 -999 -999 -999 1979 4 -999 -999 -999 -999 -999 1979 5 -999 -999 -999 -999 -999 1979 6 -999 -999 -999 -999 -999 1979 7 -999 -999 -999 -999 -999 1979 8 -999 -999 -999 -999 -999 1979 9 -999 -999 -999 -999 -999 1979 10 -999 -999 -999 -999 -999 1979 11 -999 -999 -999 -999 -999 1979 12 -999 -999 -999 -999 -999 1980 1 -999 -999 -999 -999 -999 1980 2 -999 -999 -999 -999 -999 1980 3 -999 -999 -999 -999 -999 1980 4 -999 -999 -999 -999 -999 1980 5 -999 -999 -999 -999 -999 1980 6 -999 -999 -999 -999 -999 1980 7 -999 -999 -999 -999 -999 1980 8 -999 -999 -999 -999 -999 1980 9 -999 -999 -999 -999 -999 1980 10 -999 -999 -999 -999 -999 1980 11 -999 -999 -999 -999 -999 1980 12 -999 -999 -999 -999 -999 1981 1 0.6 3.1 5.1 -1.5 -6.3 1981 2 -1.3 0.4 5.4 -3.5 -12.7 1981 3 -1.6 0.7 3.9 -3.6 -10.3 1981 4 -3.6 -0.8 7.4 -6 -16.5 1981 5 -8.9 -5.8 4.8 -11.7 -21.5 1981 6 -9.4 -5.2 3.6 -14.1 -22.6 1981 7 -9.7 -5.3 0.1 -13.9 -23.3 1981 8 -12.8 -8.5 3.5 -17.3 -28.2 1981 9 -10 -5 2.1 -14.7 -29.3 1981 10 -7.3 -3 3.2 -10.9 -29 1981 11 -4.3 -1 4.1 -8.1 -22 1981 12 -0.3 2 6.5 -2.9 -8 1982 1 1.2 3.8 6.5 -1 -6.5 1982 2 0.1 2.1 5.7 -2.2 -4.5 1982 3 -1.5 0.8 4.5 -3.4 -7.2 1982 4 -3.5 -0.6 4.5 -0.6 -13.9 1982 5 -2.8 -0.1 4.9 -5.7 -14 1982 6 -4.4 -1.4 3.8 -7.7 -19.6 1982 7 -15.1 -10.7 -1 -19.5 -27.7 1982 8 -14.3 -9.6 2 -20.2 -33 1982 9 -10.8 -5 3.5 -15.9 -37.3 1982 10 -9.7 -5 3.3 -14.2 -28.3 1982 11 -5.1 -1 3.5 -8.6 -16 1982 12 0.4 2 6 -1.9 -7.5 1983 1 1.6 4 4 -0.3 -4.1 1983 2 0.2 2.4 2.4 -1.7 -1.7 1983 3 -1.6 0.1 5 -3.3 -9.7 1983 4 -1.4 0.8 6.9 -3.4 -8.1 1983 5 -2.5 -0.7 3.8 -4.5 -12.2 1983 6 -4.6 -2.3 5.2 -7.1 -12.2 1983 7 -5 -2.2 1.8 -8.2 -14.8 1983 8 -7.1 -3.2 2.9 -10.8 -23 1983 9 -8.5 -5 3.2 -11.6 -22.1 1983 10 -6 -2 2.1 -9.2 -19.6 1983 11 -1.3 0 3.7 -3 -7 1983 12 0.8 3 5.5 -0.8 -3.3 1984 1 1.1 3.7 7.4 -0.8 -5 1984 2 1.1 3.2 6 -0.5 -3.8 1984 3 0.7 3 7.3 -0.9 -4.1 1984 4 -2.7 -0.5 3.9 -4.5 -13.8 1984 5 -5.4 -3 5.2 -7.4 -12.3 1984 6 -10 -6.3 -0.6 -13.2 -21.5 1984 7 -8.6 -4.1 3.8 -13.4 -25.3 1984 8 -6.9 -3.6 4.8 -10 -19.9 1984 9 -3.8 -1 2.7 -7 -14.6 1984 10 -6.2 -3 3.5 -8.8 -16.4 1984 11 -2.3 0 3.1 -4.3 -8 1984 12 1.1 3 8.5 -1 -4.7 1985 1 1.9 4.4 7.9 0 -2.7 1985 2 0.8 3 6.1 -0.9 -4.6 1985 3 -0.9 1.3 4.5 -2.6 -7 1985 4 -2.2 -0.2 4.1 -4 -8 1985 5 -4.3 -2.1 2.4 -6 -11.8 1985 6 -5.7 -3.3 2.5 -8.4 -14.1 1985 7 -8.7 -4.2 1.1 -10.7 -24.4 1985 8 -7.3 -3.7 2.9 -10 -20.8 1985 9 -4.9 -1 3.5 -7.7 -18 1985 10 -3.5 -1 3.8 -6.2 -13.3 1985 11 -0.1 2 4 -1.2 -3.6 1985 12 0.2 2 5.1 -1.6 -3.7 1986 1 1.1 3.4 5.9 -0.8 -2.9 1986 2 1.4 3.6 7.4 -0.6 -2.9 1986 3 -1.1 0.8 4.5 -2.9 -8.6 1986 4 -2.3 -0.3 3.7 -4.8 -8.8 1986 5 -9.3 -6.2 -0.1 -10.4 -20.2 1986 6 -8.5 -5.8 -0.1 -11.1 -20.7 1986 7 -9.9 -6.8 -0.4 -13.3 -20.7 1986 8 -12.1 -7.9 1.6 -15.9 -25.6 1986 9 -10.8 -6 4 -14.2 -24.2 1986 10 -5.1 -1 5.1 -8.1 -21.8 1986 11 -3.5 0 2.8 -5.5 -11.3 1986 12 -0.1 2 5 -1.7 -4.6 1987 1 1.8 4.3 7.6 -0.5 -2.6 1987 2 0.7 3.1 6.9 -1.9 -5.3 1987 3 -2.1 0.3 6.3 -3.9 -8.9 1987 4 -4.5 -1.8 2.8 -7 -13.7 1987 5 -4.3 -1.8 1.8 -6.8 -13.2 1987 6 -10.9 -6.4 -0.5 -14.4 -25.7 1987 7 -20.5 -15.7 -4.5 -24.7 -32.5 1987 8 -11.4 -6.4 3 -16.6 -37.6 1987 9 -16.1 -10 3.3 -20.8 -39.1 1987 10 -5.8 -1 3 -10.2 -32.1 1987 11 -2.1 1 6 -5.7 -13.2 1987 12 0 2 7.3 -2.4 -7.3 1988 1 1.1 3.8 7.2 -1.4 -5.4 1988 2 0.4 2.9 5.4 -2 -6.6 1988 3 -1.4 1 4.2 -3.5 -6.9 1988 4 -2.9 -0.5 2.6 -5.5 -11.8 1988 5 -3.7 -1.2 5.6 -6.1 -15.5 1988 6 -7.1 -4.4 1.6 -9.4 -19.9 1988 7 -7.8 -4.2 2.4 -11 -20.9 1988 8 -12.3 -8.3 1.5 -16 -24.1 1988 9 -6 -2.4 2.1 -9.5 -21 1988 10 -3.9 -0.6 7 -6.9 -15 1988 11 -1.7 0.3 2.6 -4 -11.6 1988 12 0.9 3 6.6 -1.2 -4.2 1989 1 2 4.1 7.1 0 -1.4 1989 2 2 4.2 6.2 0.1 -3.3 1989 3 0.3 2.5 6.6 -1.6 -4.5 1989 4 -4 -2.2 0.6 -6 -9.9 1989 5 -2.7 -0.3 5.9 -5.2 -10.3 1989 6 -5.2 -2.7 2 -8.3 -12.5 1989 7 -2.7 -0.2 2.7 -5.4 -11.5 1989 8 -4 -1.6 2 -6.7 -14 1989 9 -4.8 -2.3 2.5 -7.7 -14.6 1989 10 -3.3 -1 2.4 -5.6 -9.6 1989 11 -0.7 1.4 4.5 -2.7 -7.1 1989 12 1.2 3 5.7 -0.5 -2.8 1990 1 2.5 4.4 8.5 0.9 -1.6 1990 2 2.7 4.1 6.9 0.7 -2.1 1990 3 -1.1 0.6 5 -2.8 -6.4 1990 4 -4 -2.5 1 -5.7 -9.4 1990 5 -4.8 -3.2 0.3 -6.6 -16.4 1990 6 -6 -4 0.1 -8.3 -15.6 1990 7 -5.1 -2.5 1.1 -7.4 -13.1 1990 8 -10.7 -7 0.6 -14.1 -25.3 1990 9 -999 -999 -999 -999 -999 1990 10 -999 -999 -999 -999 -999 1990 11 -999 -999 -999 -999 -999 1990 12 -999 -999 -999 -999 -999 1991 1 -999 -999 -999 -999 -999 1991 2 -999 -999 -999 -999 -999 1991 3 -999 -999 -999 -999 -999 1991 4 -999 -999 -999 -999 -999 1991 5 -999 -999 -999 -999 -999 1991 6 -999 -999 -999 -999 -999 1991 7 -999 -999 -999 -999 -999 1991 8 -999 -999 -999 -999 -999 1991 9 -999 -999 -999 -999 -999 1991 10 -999 -999 -999 -999 -999 1991 11 -999 -999 -999 -999 -999 1991 12 -999 -999 -999 -999 -999