1956 02 -11.06 -24.83 -17.94 
1956 03  -3.05 -14.64  -8.84 
1956 04   5.99  -5.27   0.35 
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   0.57 
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   0.66  -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   0.16   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   0.93  -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   0.07   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   0.65 -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 
