1964 02 -3.78 -12.09  -7.93 
1964 03  1.49  -6.92  -2.71 
1964 04 10.76    . 0   5.38 
1964 05 19.21   6.71  12.96 
1964 06 22.63   9.77  16.20 
1964 07 26.06  14.32  20.18 
1964 08 21.05  10.48  15.76 
1964 09 18.84   8.14  13.49 
1964 10 12.13   1.49   6.81 
1964 11  6.48  -1.19   2.64 
1964 12 -1.13  -8.10  -4.61 
1965 01 -4.89 -13.08  -8.98 
1965 02 -3.56 -11.51  -7.53 
1965 03 -1.13  -8.49  -4.81 
1965 04  6.71  -2.34   2.18 
1965 05 19.42   6.60  13.01 
1965 06 22.34   8.78  15.56 
1965 07 22.52   8.83  15.67 
1965 08 22.54  11.02  16.78 
1965 09 19.71   9.85  14.78 
1965 10 10.45   1.91   6.18 
1965 11  4.42  -2.76    .83 
1965 12   .27  -6.21  -2.97 
1966 01 -5.34 -14.05  -9.69 
1966 02 -2.26 -10.55  -6.40 
1966 03  2.65  -5.69  -1.52 
1966 04  7.33  -1.48   2.92 
1966 05 13.73   2.24   7.98 
1966 06 23.75  10.72  17.23 
1966 07 26.45  13.28  19.86 
1966 08 23.83  11.92  17.87 
1966 09 18.32   6.96  12.64 
1966 10 11.67   2.31   6.99 
1966 11  6.19  -1.07   2.56 
1966 12 -1.70  -9.02  -5.36 
1967 01 -1.31  -8.50  -4.90 
1967 02 -5.69 -15.44 -10.56 
1967 03   .79  -8.34  -3.77 
1967 04  9.93    .-6   4.93 
1967 05 13.29   2.33   7.81 
1967 06 24.61  13.42  19.01 
1967 07 23.20  12.47  17.83 
1967 08 22.16  11.57  16.86 
1967 09 18.95   6.66  12.81 
1967 10 11.80   3.38   7.59 
1967 11  1.85  -3.98  -1.06 
1967 12  -.65  -7.31  -3.98 
1968 01 -5.97 -13.48  -9.72 
1968 02 -5.80 -14.53 -10.16 
1968 03  4.03  -5.65   -.80 
1968 04 12.90    .98   6.93 
1968 05 14.72   4.40   9.56 
1968 06 21.84  10.35  16.09 
1968 07 24.24  12.25  18.24 
1968 08 23.75  12.35  18.04 
1968 09 20.68  11.23  15.95 
1968 10 13.51   5.12   9.31 
1968 11  4.11  -1.54   1.28 
1968 12 -3.33  -9.68  -6.50 
1969 01 -3.55 -11.26  -7.40 
1969 02 -3.20 -11.40  -7.30 
1969 03  -.41  -9.47  -4.94 
1969 04 11.04    .31   5.67 
1969 05 16.65   5.05  10.85 
1969 06 19.84   9.47  14.66 
1969 07 24.38  13.02  18.70 
1969 08 25.86  13.17  19.51 
1969 09 20.08   9.70  14.89 
1969 10 12.36   3.15   7.75 
1969 11  4.88  -1.60   1.64 
1969 12 -4.36 -10.87  -7.61 
1970 01 -7.19 -16.56 -11.87 
1970 02 -4.09 -13.74  -8.91 
1970 03 -1.15  -9.91  -5.53 
1970 04 10.22    .11   5.16 
1970 05 17.74   6.72  12.23 
1970 06 22.45  10.60  16.52 
1970 08 25.04  12.23  18.63 
1970 09 19.04   9.89  14.46 
1970 10 13.82   5.11   9.46 
1970 11  5.14   -.23   2.45 
1970 12 -2.81  -9.27  -6.04 
1971 01 -6.37 -14.48 -10.42 
1971 02 -2.32 -10.04  -6.18 
1971 03 -1.32 -10.25  -5.78 
1971 04  7.67  -2.68   2.49 
1971 05 17.43   3.93  10.68 
1971 06 24.56  11.80  18.18 
1971 07 23.36  12.04  17.70 
1971 09 21.64  11.41  16.52 
1971 10 17.37   7.70  12.53 
1971 11  3.26  -2.64    .30 
1971 12  1.16  -6.22  -2.53 
1972 01 -3.56 -11.50  -7.53 
1972 02 -4.21 -14.05  -9.13 
1972 03 -1.95 -10.04  -5.99 
1972 04  5.92  -3.38   1.27 
1972 05 19.08   6.57  12.82 
1972 06 19.76   8.72  14.24 
1972 08 23.34  12.08  17.70 
1972 09 20.06   9.13  14.59 
1972 10  9.62   1.05   5.34 
1972 12  -.50  -7.50  -4.00 
1973 01 -2.77  -9.50  -6.13 
1973 02 -4.21 -13.61  -8.91 
1973 04 10.31    .72   5.51 
1973 05 14.70   5.14   9.92 
1973 06 23.43  12.74  18.08 
1973 10 15.01   4.94   9.97 
1973 12 -2.63  -8.84  -5.73 
1974 01 -2.92  -9.46  -6.19 
1974 05 13.94   3.91   8.92 
1974 06 21.81  10.12  15.96 
1974 10 11.79   1.63   6.71 
1974 11 99.99  -1.79 -99.99 
1974 12  -.54  -5.96  -3.25 
1975 01 -2.21  -9.39  -5.80 
1975 02 -2.77  -8.70  -5.73 
1975 03  -.58  -8.49  -4.53 
1975 04  5.45  -4.21    .61 
1975 05 21.01   8.37  14.69 
1975 10 13.63   4.65   9.14 
1975 12 -2.42 -10.43  -6.42 
1976 01 -6.57 -15.84 -11.20 
1976 02  -.21  -8.85  -4.53 
1976 03  3.46  -5.68  -1.10 
1976 04 10.27   -.38   4.94 
1976 06 24.17  12.48  18.32 
1976 09 19.04 -99.99 -99.99 
1976 10  8.71 -99.99 -99.99 
1976 11  1.30  -5.04  -1.87 
1976 12 -5.24 -14.09  -9.66 
1977 02 -3.96 -12.15  -8.05 
1977 03  4.98 -99.99 -99.99 
1977 11  5.44   -.52   2.45 
1978 01 -7.38 -13.98 -10.68 
1978 05 17.82   7.79  12.80 
1978 06 21.86  10.00  15.93 
1978 07 25.21  13.19  19.19 
1978 08 25.34  13.32  19.33 
1978 09 19.27   9.33  14.30 
1978 10 11.68   3.32   7.50 
1978 11  5.52  -1.93   1.79 
1978 12 -1.27  -8.08  -4.67 
1979 01 -7.03 -12.50  -9.76 
1979 02 99.99 -18.37 -99.99 
1979 07 25.56  14.66  20.11 
1979 08 99.99  11.78 -99.99 
1979 09 20.17   8.72  14.44 
1979 10 10.08   4.21   7.14 
1979 11  5.57   -.62   2.47 
1980 01 -3.81 -10.40  -7.10 
1980 04  9.05 -99.99 -99.99 
1980 05 17.27   6.55  11.91 
1980 06 19.57   8.31  13.94 
1980 07 25.25 -99.99 -99.99 
1980 08 25.63  16.91  21.27 
1980 09 19.95   9.78  14.86 
1980 10  9.03   2.21   5.62 
1980 11  2.17  -2.36    .-9 
1980 12 -4.60 -11.77  -8.18 
1981 02  -.73  -7.95  -4.34 
1981 03  2.24  -6.52  -2.13 
1981 05 16.45   5.16  10.80 
1981 06 21.88  11.11  16.49 
1981 07 26.02  15.03  20.52 
1981 08 23.34 -99.99 -99.99 
1981 09 17.07   9.39  13.23 
1981 10  9.53   2.07   5.80 
1981 11  5.91  -1.19   2.35 
1981 12 -2.24  -7.58  -4.91 
1982 01 -7.71 -16.60 -12.15 
1982 04  8.62  -2.00   3.31 
1982 06 20.12  10.41  15.26 
1982 10 99.99   4.10 -99.99 
1982 11  5.65   -.40   2.62 
1983 01 -2.68  -9.64  -6.16 
1983 02 -1.65  -7.19  -4.42 
1983 04  8.62    .28   4.44 
1983 05 13.78   4.46   9.12 
1983 06 24.17 -99.99 -99.99 
1983 09 20.12  11.76  15.94 
1983 11  5.03  -1.60   1.71 
1984 01 -6.98 -15.96 -11.47 
1984 04 10.71   2.04   6.37 
1984 05 99.99   4.13 -99.99 
1984 06 20.94  12.02  16.48 
1984 09 17.23   7.59  12.41 
1984 10 14.58   5.47  10.02 
1984 11  4.63  -2.00   1.31 
1984 12   .88  -5.18  -2.14 
1985 01 -6.63 -12.65  -9.63 
1985 02 -4.84 -10.93  -7.88 
1985 04 12.12   1.68   6.90 
1985 05 18.83   7.13  12.98 
1985 10 13.32   4.39   8.85 
1985 11  3.75  -1.20   1.27 
1985 12 -4.28  -9.89  -7.08 
1986 01 -4.15 -10.81  -7.48 
1986 03  3.69  -5.19   -.75 
1986 04 12.09   1.71   6.90 
1986 05 18.89   9.35  14.12 
1986 12  -.81  -5.55  -3.18 
1987 01 -3.48 -10.10  -6.79 
1987 02 -2.77 -13.68  -8.22 
1987 03  3.56  -6.02  -1.23 
1987 04 12.87   2.17   7.52 
1987 05 19.66   6.74  13.20 
1987 06 23.87  10.74  17.30 
1987 07 26.24  14.77  20.50 
1987 08 23.61  12.32  17.96 
1987 09 20.04   9.52  14.78 
1987 10  9.74   1.50   5.62 
1987 11  4.98  -2.25   1.36 
1987 12   .30  -4.96  -2.33 
1988 01 -3.18 -11.74  -7.46 
