1960 03 -4.94 -99.99 -99.99 
1960 04  5.87 -99.99 -99.99 
1960 06 20.77  10.17  15.47 
1960 07 25.76  13.31  19.53 
1960 08 24.68 -99.99 -99.99 
1960 09 18.81 -99.99 -99.99 
1960 10 11.59   1.88   6.73 
1960 11 -1.19  -6.37  -3.78 
1960 12 11.15 -19.28 -15.21 
1961 01 12.84 -22.40 -17.61 
1961 02 -5.04 -15.33 -10.18 
1961 03  1.16  -8.14  -3.49 
1961 04  5.67  -4.34    .66 
1961 05 18.52 -99.99 -99.99 
1961 06 25.98  11.17  18.57 
1961 07 25.71  14.10  19.90 
1961 08 28.56  13.57  21.06 
1961 09 16.34   5.42  10.88 
1961 10 11.81    .65   6.23 
1961 11  1.23  -7.14  -2.95 
1962 01 15.23 -25.89 -20.56 
1962 02 11.99 -23.00 -17.49 
1962 03  -.35 -10.14  -5.25 
1962 04  6.37  -4.81    .78 
1962 05 15.97   5.43  10.70 
1962 06 23.97  12.11  18.03 
1962 07 23.39  12.90  18.14 
1962 08 23.26  12.92  18.09 
1962 09 16.91   5.96  11.43 
1962 10 12.82   3.80   8.30 
1962 11  1.34  -4.52  -1.58 
1962 12 -8.71 -17.37 -13.04 
1963 01 17.25 -26.19 -21.72 
1963 02 12.34 -22.21 -17.27 
1963 03   .28 -10.92  -5.32 
1963 04  9.57   -.94   4.31 
1963 05 15.79   4.07   9.93 
1963 06 23.85  12.35  18.10 
1964 01 -9.68 -99.99 -99.99 
1964 02 -5.31 -99.99 -99.99 
1964 03 -6.10 -99.99 -99.99 
1964 04 10.71   -.77   4.97 
1964 05 19.00   6.45  12.72 
1964 06 21.32   9.76  15.54 
1964 07 26.42  15.09  20.75 
1964 08 99.99  11.00 -99.99 
1964 09 99.99   5.34 -99.99 
1964 10 99.99   2.04 -99.99 
1964 11  -.34  -7.80  -4.07 
1964 12 12.83 -21.20 -17.01 
1965 01 14.83 -24.95 -19.89 
1965 02 12.86 -22.91 -17.88 
1965 03 -6.13 -16.82 -11.47 
1965 04  7.69 -99.99 -99.99 
1965 05 16.35   4.91  10.63 
1965 06 21.74  10.83  16.28 
1965 07 22.69  12.76  17.72 
1965 08 23.14  11.41  17.27 
1965 09 12.61   3.61   8.10 
1965 10 11.13   3.10   7.11 
1965 11 -1.44 -10.03  -5.73 
1965 12 -4.91 -13.62  -9.26 
1966 01 20.00 -30.15 -25.07 
1966 02 10.22 -21.91 -16.06 
1966 03  1.34  -8.14  -3.40 
1966 04  4.96  -3.83    .56 
1966 05 14.39   2.94   8.66 
1966 06 22.94  11.44  17.19 
1966 07 25.86  15.01  20.43 
1966 08 24.07  12.40  18.23 
1966 09 18.81   7.61  13.21 
1966 10  9.52    .55   5.03 
1966 11 -4.91 -13.44  -9.17 
1966 12 -9.68 -19.87 -14.78 
1967 01 11.78 -22.42 -17.10 
1967 02 13.65 -26.18 -19.91 
1967 03 -2.24 -13.70  -7.97 
1967 04  5.76  -5.29    .23 
1967 05 14.48   1.82   8.14 
1967 06 22.12   9.64  15.88 
1967 07 24.84  12.56  18.70 
1967 08 24.13  10.60  17.36 
1967 09 21.52   8.78  15.15 
1967 10  7.69    .25   3.97 
1967 11 -1.33  -7.94  -4.63 
1967 12 -8.37 -15.89 -12.13 
1968 01 12.40 -22.70 -17.54 
1968 02 10.73 -22.41 -16.57 
1968 03  2.33  -9.39  -3.53 
1968 04  9.93  -2.28   3.83 
1968 05 15.07   4.13   9.60 
1968 06 20.14   9.31  14.72 
1968 07 23.17  11.85  17.51 
1968 08 20.44  10.65  15.54 
1968 09 18.87   8.74  13.80 
1968 10  9.91   1.44   5.67 
1968 11   .94  -6.22  -2.64 
1968 12 -9.71 -18.33 -14.02 
1969 01 15.04 -25.68 -20.36 
1969 02 -6.26 -16.41 -11.33 
1969 03 -2.95 -13.80  -8.37 
1969 04 13.12    .10   6.61 
1969 05 16.53   3.95  10.24 
1969 06 18.11   5.96  12.03 
1969 07 24.05  12.58  18.31 
1969 08 26.58  14.71  20.64 
1969 09 17.85   7.46  12.65 
1969 10  5.81   -.85   2.48 
1969 11   .67  -7.72  -3.52 
1969 12 -5.91 -13.49  -9.70 
1970 01 14.41 -24.26 -19.33 
1970 02 10.40 -22.31 -16.35 
1970 03 -4.08 -16.68 -10.38 
1970 04  6.44  -2.60   1.92 
1970 05 15.28   3.95   9.61 
1970 06 25.12  12.27  18.69 
1970 07 25.52  14.82  20.17 
1970 08 25.07  11.89  18.48 
1970 09 17.94   6.71  12.32 
1970 10 10.41   1.37   5.89 
1970 11  -.94  -8.38  -4.66 
1970 12 12.02 -22.55 -17.28 
1971 01 17.12 -26.51 -21.81 
1971 02 -7.60 -18.18 -12.89 
1971 03 -1.07 -11.83  -6.45 
1971 04  8.60  -2.21   3.19 
1971 05 17.94   4.04  10.99 
1971 06 23.20  11.69  17.44 
1971 07 22.45  11.04  16.74 
1971 08 24.26  12.67  18.46 
1971 09 18.29   8.38  13.34 
1971 10 10.65   2.81   6.72 
1971 11 -1.75  -7.61  -4.68 
1971 12 10.22 -19.45 -14.84 
1972 01 16.98 -27.55 -22.26 
1972 02 13.40 -24.30 -18.84 
1972 03 -2.08 -12.10  -7.09 
1972 04  8.37  -2.10   3.13 
1972 05 21.81   7.72  14.76 
1972 06 24.29  10.59  17.44 
1972 07 23.14  10.88  17.01 
1972 08 24.76  12.12  18.44 
1972 09 15.62   4.29   9.95 
1972 10  7.74  -1.68   3.03 
1972 11 -2.62  -9.41  -6.01 
1972 12 14.61 -22.98 -18.79 
1973 01 -7.53 -18.74 -13.13 
1973 02 -7.82 -18.66 -13.24 
1973 03  5.28  -3.86    .71 
1973 04  8.43  -3.53   2.45 
1973 05 17.66   4.40  11.03 
1973 06 21.22   9.64  15.43 
1973 07 24.24  12.62  18.43 
1973 08 25.57  13.50  19.53 
1973 09 16.99   5.96  11.47 
1973 10 12.22   3.47   7.84 
1973 11 -3.06 -10.18  -6.62 
1973 12 10.63 -19.93 -15.28 
1974 01 15.95 -26.83 -21.39 
1974 02 -9.50 -21.49 -15.49 
1974 03 -4.14 -16.03 -10.08 
1974 04  8.31  -2.89   2.71 
1974 05 13.53   2.59   8.05 
1974 06 23.05   9.52  16.28 
1974 07 27.28  14.41  20.84 
1974 08 20.45   9.66  15.05 
1974 09 14.06   2.45   8.25 
1974 10 11.10    .70   5.90 
1974 11   .24  -6.87  -3.31 
1974 12 -4.16 -13.06  -8.61 
1975 01 -9.92 -20.37 -15.14 
1975 02 -8.93 -21.20 -15.06 
1975 03 -4.19 -14.84  -9.51 
1975 04  7.56  -2.84   2.36 
1975 05 18.27   5.62  11.94 
1975 06 22.78  11.04  16.91 
1975 07 27.81  15.65  21.73 
1975 08 21.65  11.40  16.52 
1975 09 16.36   5.20  10.78 
1975 10 11.94   2.68   7.31 
1975 11  2.84  -5.76  -1.46 
1975 12 -8.43 -19.67 -14.05 
1976 01 12.53 -24.14 -18.33 
1976 02 -5.50 -16.25 -10.87 
1976 03 -2.30 -14.07  -8.18 
1976 04 12.85    .41   6.63 
1976 05 19.45   4.69  12.08 
1976 06 24.28  12.39  18.33 
1976 07 26.44  13.01  19.72 
1976 08 25.85  12.40  19.12 
1976 09 20.00   5.22  12.61 
1976 10  8.27  -1.98   3.14 
1976 11 -1.82 -11.48  -6.64 
1976 12 13.22 -24.81 -19.01 
1977 01 15.77 -26.48 -21.12 
1977 02 -5.85 -15.96 -10.90 
1977 03  3.59  -7.15  -1.78 
1977 04 14.76   -.45   7.15 
1977 05 24.45  10.75  17.60 
1977 06 22.61  11.01  16.81 
1977 07 24.29  12.59  18.44 
1977 08 18.67   8.80  13.73 
1977 09 15.53   8.52  12.02 
1977 10 12.55   2.85   7.70 
1977 11  -.66  -8.95  -4.80 
1977 12 11.89 -21.07 -16.48 
1978 01 15.88 -26.02 -20.95 
1978 02 -9.60 -21.04 -15.32 
1978 03 -1.35 -12.78  -7.06 
1978 04  8.55  -2.66   2.94 
1978 05 20.71   8.42  14.56 
1978 06 22.00   9.35  15.68 
1978 07 23.44  12.51  17.97 
1978 08 23.25  11.03  17.14 
1978 09 19.46   8.77  14.12 
1978 10 10.59   1.50   6.04 
1978 11 -2.98 -13.07  -8.02 
1978 12 12.29 -23.49 -17.89 
1979 01 16.70 -27.16 -21.93 
1979 02 14.92 -25.08 -20.00 
1979 03 -2.57 -12.90  -7.73 
1979 04  4.75  -5.02   -.13 
1979 05 12.23   1.57   6.89 
1979 06 22.00  10.04  16.02 
1979 07 27.27  14.68  20.97 
1979 08 22.31  10.40  16.35 
1979 09 18.29   6.45  12.37 
1979 10  8.28    .-6   4.10 
1979 11  -.94  -7.91  -4.42 
