1956 06 30.31  16.53  23.42 
1956 07 32.87  17.93  25.40 
1956 08 32.64  16.93  24.78 
1956 09 99.99   9.68 -99.99 
1956 10 25.74   7.20  16.46 
1956 11 16.12    .31   8.21 
1956 12 13.69   2.59   8.13 
1957 01  6.23  -3.57   1.33 
1957 02 13.11   2.76   7.93 
1957 03 14.15   2.08   8.11 
1957 04 23.49   9.62  16.55 
1957 05 26.47  13.49  19.98 
1957 06 99.99  18.29 -99.99 
1957 07 30.99  18.70  24.84 
1957 08 31.15  16.62  23.88 
1957 09 26.74  14.98  20.86 
1957 10 20.06   5.97  13.01 
1957 11 14.50   2.05   8.27 
1957 12 12.94    .51   6.72 
1958 01  6.55  -4.14   1.20 
1958 02  5.23  -8.18  -1.47 
1958 03 11.26    .54   5.90 
1958 04 23.36   4.75  14.05 
1958 05 26.60 -99.99 -99.99 
1958 06 30.72  15.39  23.05 
1958 07 32.50  19.40  25.95 
1958 08 31.78  17.61  24.69 
1958 09 28.64  13.60  21.12 
1958 10 22.91   4.57  13.74 
1958 11 18.74   1.15   9.94 
1958 12  7.45  -5.18   1.13 
1959 01  7.69  -5.25   1.22 
1959 02 11.03  -3.10   3.96 
1959 03 16.79   1.03   8.91 
1959 05 27.97  14.28  21.12 
1959 06 29.63  15.56  22.59 
1959 07 31.78  17.23  24.50 
1959 08 31.60  18.94  25.27 
1959 09 99.99  14.49 -99.99 
1959 10 21.78   7.22  14.50 
1959 11 13.18   -.91   6.13 
1959 12 10.14 -99.99 -99.99 
1960 01  8.10   -.97   3.56 
1960 02  7.10  -2.64   2.23 
1960 03  6.03  -6.33   -.14 
1960 04 24.34   5.41  14.87 
1960 05 24.63   8.22  16.43 
1960 06 30.09  16.08  23.08 
1960 07 31.38  16.98  24.18 
1960 09 28.78  13.30  21.04 
1960 10 22.77   6.78  14.77 
1960 11 16.53   -.22   8.15 
1960 12  5.55 -99.99 -99.99 
1961 01  6.27  -8.07   -.89 
1961 02 12.46   -.92   5.77 
1961 03 16.28   3.93  10.10 
1961 06 26.76  14.87  20.81 
1961 07 99.99  17.61 -99.99 
1961 08 30.38  16.70  23.54 
1961 09 30.03 -99.99 -99.99 
1961 10 23.42   5.44  14.43 
1961 12  9.20  -1.76   3.71 
1962 01  7.66  -5.34   1.15 
1962 02 13.41   -.79   6.31 
1962 03 12.26    .88   6.57 
1962 04 19.82   5.22  12.52 
1962 05 30.70  15.38  23.04 
1962 06 30.68  16.20  23.44 
1962 07 33.06 -99.99 -99.99 
1962 08 33.41 -99.99 -99.99 
1962 10 23.88   9.74  16.81 
1962 11 14.37   1.64   8.00 
1962 12  7.66  -6.47    .59 
1963 01  5.55  -9.12  -1.78 
1963 02  8.93  -6.67   1.13 
1963 03 19.84   3.61  11.72 
1963 04 22.97   8.47  15.71 
1963 05 26.05  10.88  18.46 
1963 06 30.94  15.60  23.27 
1963 07 31.83  16.73  24.28 
1963 10 26.56   6.07  16.31 
1963 11 17.52   1.00   9.26 
1963 12  4.19  -8.34  -2.07 
1964 01 11.16  -4.54   3.31 
1964 02  9.07  -5.50   1.78 
1964 03 16.76   2.53   9.64 
1964 04 23.53   9.33  16.43 
1964 05 27.55  12.24  19.89 
1964 06 31.56  16.59  24.07 
1964 07 32.25  18.08  25.16 
1964 08 31.90  16.95  24.42 
1964 09 28.35  12.21  20.28 
1964 10 21.44   3.61  12.52 
1964 11 18.29    .93   9.61 
1964 12  9.72  -1.65   4.04 
1965 01 10.65  -2.91   3.87 
1965 02 10.58  -3.87   3.35 
1965 03 10.50   -.72   4.89 
1965 04 24.22   9.43  16.82 
1965 05 28.86  14.51  21.68 
1965 06 30.03  16.71  23.37 
1965 07 31.39  17.87  24.63 
1965 08 32.30  16.37  24.33 
1965 09 27.88  15.20  21.54 
1965 10 22.49   4.69  13.59 
1965 11 19.02   3.48  11.25 
1965 12 13.18  -1.01   6.08 
1966 01  4.63  -5.75   -.55 
1966 02  8.31  -1.57   3.37 
1966 03 17.25   3.49  10.37 
1966 04 20.37   7.54  13.95 
1966 05 25.58   9.37  17.47 
1966 06 30.84  14.41  22.62 
1966 07 34.59  19.32  26.96 
1966 08 29.80  16.35  23.07 
1966 09 27.53  11.50  19.51 
1967 01 10.34  -2.82   3.76 
1967 02  9.06  -4.56   2.25 
1967 03 19.08   2.83  10.95 
1967 04 24.37  10.24  17.30 
