1963 01 -7.99 -19.02 -13.50 
1963 02 10.44 -24.73 -17.58 
1963 03 -1.58 -16.87  -9.22 
1963 04  4.96  -5.23   -.13 
1963 05 14.11  -1.50   6.30 
1963 06 21.48   6.45  13.96 
1963 07 21.46  10.72  16.09 
1963 08 17.12   6.26  11.69 
1963 09 13.59    .43   7.01 
1963 10 12.64   -.58   6.02 
1963 11  2.66  -5.30  -1.32 
1963 12 10.18 -22.10 -16.14 
1964 01 -5.75 -18.23 -11.99 
1964 02 -6.82 -20.72 -13.77 
1964 03 -2.33 -13.03  -7.68 
1964 04  6.26  -6.83   -.28 
1964 05 15.27   1.07   8.17 
1964 06 19.37   4.52  11.94 
1964 07 20.68  10.25  15.46 
1964 08 17.08   6.40  11.74 
1964 09 13.95   2.22   8.08 
1964 10  6.32  -2.30   2.01 
1964 11   .18  -9.35  -4.58 
1964 12 -6.02 -14.78 -10.40 
1965 01 -9.85 -23.16 -16.50 
1965 02 -7.57 -22.54 -15.05 
1965 03 -1.68 -13.69  -7.68 
1965 04  5.58  -6.95   -.68 
1965 05 13.13    .68   6.90 
1965 06 19.25   5.35  12.30 
1965 07 18.33   5.98  12.15 
1965 08 18.32   8.12  13.21 
1965 09 15.03   4.44   9.73 
1965 10  6.04  -1.46   2.29 
1965 11 -2.03 -10.64  -6.33 
1965 12 -5.09 -13.98  -9.53 
1966 01 -6.04 -17.42 -11.73 
1966 02 -5.42 -20.82 -13.12 
1966 03  -.67 -11.46  -6.06 
1966 04  4.78  -6.78  -1.00 
1966 05 11.58  -2.48   4.55 
1966 06 19.37   6.86  13.12 
1966 07 21.29   7.57  14.43 
1966 08 18.85   6.39  12.62 
1966 09 14.00   1.13   7.56 
1966 10  7.34  -1.28   3.03 
1966 11  3.30  -4.11   -.40 
1966 12 -4.55 -14.29  -9.42 
1967 01 -6.06 -17.79 -11.92 
1967 02 -9.34 -26.88 -18.11 
1967 03 -2.36 -20.42 -11.39 
1967 04  4.91  -8.47  -1.78 
1967 05  9.35  -2.50   3.42 
1967 06 21.24 -99.99 -99.99 
1967 07 22.08   9.76  15.92 
1967 08 20.08   8.46  14.27 
1967 09 16.89   3.86  10.37 
1967 10  7.67   -.21   3.73 
1967 11  -.68  -9.02  -4.85 
1967 12 -4.55 -17.16 -10.85 
1968 01 -9.95 -23.62 -16.78 
1968 02 -9.80 -23.87 -16.83 
1968 03  -.27 -11.74  -6.00 
1968 04  8.67  -4.26   2.20 
1968 06 17.85   5.13  11.49 
1968 07 21.24   8.18  14.71 
1968 08 17.29   5.43  11.36 
1968 09 17.70   5.80  11.75 
1968 10  9.68   1.23   5.46 
1968 11 -1.61  -9.52  -5.56 
1968 12 -7.26 -16.83 -12.04 
1969 01 -5.94 -17.59 -11.76 
1969 02 -4.41 -17.14 -10.77 
1969 03  -.45 -15.29  -7.87 
1969 04  4.39  -8.97  -2.29 
1969 05 11.70  -1.07   5.31 
1969 06 18.03   6.42  12.22 
1969 07 20.62   6.85  13.73 
1969 08 20.40   9.08  14.74 
1969 09 14.11   2.16   8.13 
1969 10  7.41  -2.56   2.42 
1969 11  2.85  -5.09  -1.12 
1969 12 -4.79 -15.84 -10.31 
1970 01 11.81 -26.42 -19.11 
1970 02 -7.43 -21.29 -14.36 
1970 03  -.57 -16.40  -8.48 
1970 04  6.10  -6.75   -.32 
1970 05 12.58   -.52   6.03 
1970 06 19.06   4.69  11.87 
1970 07 22.88  10.14  16.51 
1970 08 20.52   7.64  14.08 
1970 09 13.14   4.27   8.70 
1970 10 11.52    .-4   5.74 
1970 11  2.35  -6.45  -2.04 
1970 12 -9.20 -19.43 -14.31 
1971 01 11.06 -25.06 -18.06 
1971 02 -6.71 -19.84 -13.27 
1971 03 -1.25 -14.35  -7.80 
1971 04  4.94  -6.08   -.56 
1971 05 14.00    .58   7.29 
1971 06 19.42 -99.99 -99.99 
1971 07 20.59   6.65  13.62 
1971 08 18.65   6.37  12.51 
1971 09 16.70   5.41  11.05 
1971 10 10.78    .78   5.78 
1971 11   .-9  -8.50  -4.29 
1971 12 -7.43 -19.32 -13.37 
1972 01 -8.39 -24.41 -16.40 
1972 03 -3.55 -99.99 -99.99 
1972 04  3.49 -11.06  -3.78 
1972 05 14.46   -.52   6.96 
1972 06 18.37   6.15  12.26 
1972 07 21.37   8.16  14.76 
1972 08 18.42   6.07  12.24 
1972 09 15.40   3.75   9.57 
1972 10  5.34  -3.14   1.10 
1972 11 -1.73  -9.70  -5.71 
1972 12 -7.75 -20.50 -14.12 
1973 01 -8.50 -20.27 -14.38 
1973 02 -6.72 -22.19 -14.45 
1973 03  2.51  -8.68  -3.08 
1973 04  5.18  -4.83    .17 
1973 05 11.71   1.55   6.63 
1973 06 20.98   8.27  14.62 
1973 07 23.61 -99.99 -99.99 
1973 10  9.76   -.12   4.82 
1973 11 -1.09  -8.28  -4.68 
1973 12 -4.32 -13.42  -8.87 
1974 02 -8.55 -25.03 -16.79 
1974 03 -4.34 -17.07 -10.70 
1974 04  3.95  -6.85  -1.45 
1974 05  9.12  -1.29   3.91 
1974 06 19.70   6.28  12.99 
1974 07 21.77   7.99  14.88 
1974 09 12.99   2.14   7.56 
1974 10  4.34  -4.41    .-3 
1974 11  1.74  -7.64  -2.94 
1974 12 -3.73 -13.24  -8.48 
1975 01 -8.93 -21.00 -14.96 
1975 02 -7.50 -20.81 -14.15 
1975 03 -2.01 -16.24  -9.12 
1975 04  3.65  -7.34  -1.84 
1975 05 16.73   1.63   9.17 
1975 06 19.62   6.69  13.15 
1975 07 23.50  10.10  16.80 
1975 08 21.68   7.78  14.73 
1975 09 14.44   4.63   9.53 
1975 11  2.30  -6.64  -2.17 
1975 12 -7.63 -20.91 -14.27 
1976 01 10.85 -25.19 -18.02 
1976 02 -6.37 -20.26 -13.31 
1976 03 -1.25 -15.56  -8.40 
