1956 02 11.06 -24.83 -17.94 
1956 03 -3.05 -14.64  -8.84 
1956 04  5.99  -5.27    .35 
1956 05 19.61   6.38  12.99 
1956 06 20.11   8.03  14.07 
1956 07 99.99  10.22 -99.99 
1956 08 99.99   7.56 -99.99 
1956 09 15.17   3.19   9.18 
1956 10  8.38  -3.69   2.34 
1956 11  3.92  -7.40  -1.74 
1956 12 -7.55 -17.43 -12.49 
1957 01 12.97 -22.89 -17.93 
1957 02 -8.53 -21.91 -15.21 
1957 03  -.75 -14.25  -7.50 
1957 04  9.60  -2.70   3.45 
1957 05 17.09   3.85  10.47 
1957 06 20.12   5.13  12.62 
1957 07 22.01   8.28  15.14 
1957 08 19.70   7.02  13.36 
1957 09 18.04   4.07  11.06 
1957 10  6.08  -4.92    .57 
1957 11  1.15  -8.00  -3.42 
1957 12 -5.90 -15.86 -10.88 
1958 01 -4.59 -14.75  -9.67 
1958 02 10.29 -19.69 -14.99 
1958 03 -2.00 -11.01  -6.50 
1958 04  9.21  -1.76   3.72 
1958 05 19.65   3.52  11.58 
1958 06 19.95   5.36  12.65 
1958 07 24.23   6.68  15.45 
1958 08 23.99   7.73  15.86 
1958 09 14.28   2.67   8.47 
1958 10 12.38  -1.67   5.35 
1958 11 -1.38 -11.96  -6.67 
1958 12 -7.39 -99.99 -99.99 
1959 01 18.04 -99.99 -99.99 
1959 02 -6.21 -21.39 -13.79 
1959 03  4.25  -7.44  -1.59 
1959 04 10.64  -2.62   4.01 
1959 05 14.76   -.36   7.20 
1959 06 18.32   5.97  12.14 
1959 07 24.05   7.62  15.83 
1959 08 18.16   5.94  12.05 
1959 09 14.64   2.50   8.57 
1959 10 99.99  -2.68 -99.99 
1959 11 -2.18 -12.50  -7.34 
1959 12  -.79 -11.08  -5.93 
1960 01 -9.93 -22.40 -16.16 
1960 02 -7.66 -17.70 -12.68 
1960 03 -2.28 -15.30  -8.79 
1960 04 11.22  -2.46   4.38 
1960 05 15.24   1.80   8.51 
1960 07 24.33   9.89  17.11 
1960 08 20.56   7.67  14.11 
1960 09 16.77   2.44   9.60 
1960 10 10.22  -1.23   4.50 
1960 11 -1.69 -11.69  -6.68 
1960 12 -3.98 -15.95  -9.96 
1961 01 -5.71 -17.12 -11.42 
1961 02 -5.07 -16.81 -10.94 
1961 03   .66  -9.82  -4.58 
1961 04  7.59  -3.29   2.15 
1961 05 18.17   4.10  11.13 
1961 06 24.75   9.64  17.19 
1961 07 23.37   8.24  15.80 
1961 08 24.58   8.12  16.35 
1961 09 13.79    .16   6.97 
1961 10  8.47  -4.08   2.19 
1961 11 -3.00 -12.38  -7.69 
1961 12 15.35 -26.36 -20.85 
1962 01 -8.03 -21.04 -14.53 
1962 02 12.26 -24.89 -18.57 
1962 03 -4.02 -17.35 -10.68 
1962 04  9.03  -2.48   3.27 
1962 05 15.74   2.31   9.02 
1962 07 19.96   8.18  14.07 
1962 08 19.90   7.92  13.91 
1962 09 99.99   1.52 -99.99 
1962 10 12.82   -.93   5.94 
1962 11  1.46  -8.58  -3.56 
1962 12 -6.27 -15.11 -10.69 
1963 01 11.63 -24.25 -17.94 
1963 02 -5.88 -13.60  -9.74 
1963 03   .93  -9.59  -4.33 
1963 04  8.79  -2.68   3.05 
1963 05 15.25   2.33   8.79 
1963 08 22.92   7.19  15.05 
1963 09 20.56   5.83  13.19 
1963 10 15.06   -.60   7.23 
1963 11 -2.77 -14.10  -8.43 
1963 12 99.99 -17.54 -99.99 
1964 01 -7.74 -17.68 -12.71 
1964 02  1.68 -10.91  -4.61 
1964 03 -5.15 -17.96 -11.56 
1964 04 10.46  -3.42   3.52 
1964 05 15.86   3.65   9.75 
1964 06 21.79   6.00  13.89 
1964 07 23.25   9.18  16.21 
1964 08 19.14   7.84  13.49 
1964 10 13.30  -1.81   5.74 
1964 11 -3.85 -13.95  -8.89 
1964 12 18.87 -27.78 -23.33 
1965 01 14.22 -25.06 -19.64 
1965 02 -9.55 -22.49 -16.02 
1965 03 -4.07 -20.72 -12.39 
1965 05 15.52   2.13   8.82 
1965 07 23.96   9.31  16.63 
1965 08 23.27   8.64  15.96 
1965 09 99.99  -1.12 -99.99 
1965 10 99.99  -1.38 -99.99 
1965 12 -8.43 -19.75 -14.09 
1966 01 21.06 -30.89 -25.97 
1966 02 -8.13 -20.97 -14.54 
1966 03  -.48 -13.78  -7.12 
1966 04  5.16  -5.61   -.22 
1966 08 21.19   6.78  13.98 
1966 09 18.87   2.73  10.80 
1966 11 -6.64 -17.57 -12.10 
1967 02 -7.45 -22.30 -14.87 
1967 03 -5.67 -18.11 -11.89 
1967 05 16.74    . 7   8.40 
1967 07 25.06   8.32  16.68 
1967 09 24.70   4.53  14.61 
1967 10  9.05  -2.41   3.32 
1967 11   .65 -99.99 -99.99 
1968 01 13.84 -25.95 -19.89 
1968 02 -4.90 -16.24 -10.57 
1968 03  4.94  -7.17  -1.11 
1968 04 10.13  -5.38   2.37 
