1971 05 25.97 -99.99 -99.99 
1971 06 28.91  16.20  22.56 
1973 02 11.44    . 4   5.74 
1973 04 16.93   7.08  12.00 
1973 05 22.79  11.04  16.91 
1973 06 26.26 -99.99 -99.99 
1973 07 29.69 -99.99 -99.99 
1973 08 29.19 -99.99 -99.99 
1973 09 23.92 -99.99 -99.99 
1973 10 20.63 -99.99 -99.99 
1973 11 13.78 -99.99 -99.99 
1973 12  8.45 -99.99 -99.99 
1974 01  3.15 -99.99 -99.99 
1974 02  5.52 -99.99 -99.99 
1974 03  9.57 -99.99 -99.99 
1974 04 14.63 -99.99 -99.99 
1974 05 23.97 -99.99 -99.99 
1974 06 27.89 -99.99 -99.99 
1974 07 27.97 -99.99 -99.99 
1974 08 27.39 -99.99 -99.99 
1974 09 23.30 -99.99 -99.99 
1974 10 23.07  11.00  17.03 
1974 12  8.41 -99.99 -99.99 
1975 02  6.50 -99.99 -99.99 
1975 03 12.39 -99.99 -99.99 
1975 04 20.35 -99.99 -99.99 
1975 06 30.93  17.79  24.36 
1975 07 33.54 -99.99 -99.99 
1975 09 24.81 -99.99 -99.99 
1975 10 16.61 -99.99 -99.99 
1975 11 10.81 -99.99 -99.99 
1975 12  7.59 -99.99 -99.99 
1976 01  9.00 -99.99 -99.99 
1976 02  2.04 -99.99 -99.99 
1976 03  8.10    .-8   4.01 
1976 04 18.24 -99.99 -99.99 
1976 05 21.03  11.35  16.19 
1976 06 27.12 -99.99 -99.99 
1976 07 29.81 -99.99 -99.99 
1976 08 32.52  19.65  26.08 
1976 09 24.69  14.92  19.80 
1976 10 16.44 -99.99 -99.99 
1976 11 11.26 -99.99 -99.99 
1976 12  7.93 -99.99 -99.99 
1977 01   . 4 -99.99 -99.99 
1977 02 10.82 -99.99 -99.99 
1977 03 12.79 -99.99 -99.99 
1977 04 19.08 -99.99 -99.99 
1977 05 24.22 -99.99 -99.99 
1977 06 29.30 -99.99 -99.99 
1977 07 30.48 -99.99 -99.99 
1977 08 30.45 -99.99 -99.99 
1977 09 24.25 -99.99 -99.99 
1977 10 15.70 -99.99 -99.99 
1977 11 13.76 -99.99 -99.99 
1977 12  6.41 -99.99 -99.99 
1978 01  6.93 -99.99 -99.99 
1978 02  7.96 -99.99 -99.99 
1978 03 12.52   3.51   8.01 
1978 04 16.90   6.58  11.74 
1978 05 20.68  10.96  15.82 
1978 06 24.96  14.12  19.53 
1978 07 31.90  17.59  24.74 
1978 08 29.53  17.07  23.30 
1978 09 28.03  15.50  21.76 
1978 10 18.93 -99.99 -99.99 
1978 11 10.84 -99.99 -99.99 
1979 01  6.67  -1.85   2.41 
1979 02 10.24 -99.99 -99.99 
1979 03 13.65   2.86   8.25 
1979 04 17.04   7.48  12.26 
1979 05 22.71  11.42  17.06 
1979 06 25.93  14.63  20.28 
1979 07 31.20  19.00  25.10 
1979 08 32.27  18.71  25.49 
1979 09 28.37  15.89  22.13 
1979 10 99.99   9.64 -99.99 
1979 11 12.73 -99.99 -99.99 
1979 12  8.83 -99.99 -99.99 
1980 01  3.67 -99.99 -99.99 
1980 02  4.69  -1.68   1.51 
1980 03  9.68 -99.99 -99.99 
1980 04 18.50 -99.99 -99.99 
1980 05 23.67 -99.99 -99.99 
1980 06 28.85  16.58  22.71 
1980 07 32.90  20.90  26.90 
1980 08 29.21 -99.99 -99.99 
1980 09 24.46 -99.99 -99.99 
1980 10 16.43 -99.99 -99.99 
1980 12 12.04   2.69   7.36 
1981 01  9.66 -99.99 -99.99 
1981 02  9.00 -99.99 -99.99 
1981 03 12.22 -99.99 -99.99 
1981 04 14.77   5.62  10.19 
1981 05 19.84 -99.99 -99.99 
1981 06 26.38 -99.99 -99.99 
1981 07 30.83  18.85  24.84 
1981 08 27.97  18.04  23.00 
1981 09 26.04  15.15  20.59 
1981 10 20.23  11.36  15.79 
1981 11 13.30   4.04   8.67 
1981 12 12.79 -99.99 -99.99 
1983 04 99.99   8.28 -99.99 
1983 05 22.85  14.01  18.43 
1983 07 99.99  20.14 -99.99 
1983 08 28.11 -99.99 -99.99 
1984 01  8.51 -99.99 -99.99 
1984 03 99.99   2.04 -99.99 
1984 04 99.99   7.43 -99.99 
1984 05 20.72  10.80  15.76 
1985 11 14.70 -99.99 -99.99 
1986 03  7.96 -99.99 -99.99 
1986 08 31.75 -99.99 -99.99 
1986 10 17.75 -99.99 -99.99 
1987 03  8.46 -99.99 -99.99 
1987 06 30.06  17.67  23.86 
1987 09 23.67 -99.99 -99.99 
1988 04 17.35 -99.99 -99.99 
1988 05 21.23 -99.99 -99.99 
1988 06 28.60 -99.99 -99.99 
1988 08 28.27 -99.99 -99.99 
1989 03 13.50 -99.99 -99.99 
1989 04 21.60 -99.99 -99.99 
1989 06 29.77 -99.99 -99.99 
1989 07 32.16 -99.99 -99.99 
1989 11 13.35 -99.99 -99.99 
1990 02  8.12 -99.99 -99.99 
1990 04 15.49 -99.99 -99.99 
1990 05 20.72 -99.99 -99.99 
1990 06 28.84 -99.99 -99.99 
1990 07 31.64 -99.99 -99.99 
1990 08 28.87 -99.99 -99.99 
1990 09 27.81 -99.99 -99.99 
1990 11 16.02 -99.99 -99.99 
1990 12  8.59 -99.99 -99.99 
1991 01  6.13 -99.99 -99.99 
1991 02  6.40 -99.99 -99.99 
1991 03  9.54 -99.99 -99.99 
1991 04 17.90   8.77  13.33 
1991 05 21.47 -99.99 -99.99 
1991 06 28.46 -99.99 -99.99 
1991 07 32.93 -99.99 -99.99 
1991 08 30.20 -99.99 -99.99 
1991 09 26.17 -99.99 -99.99 
