1964 07 26.95  15.34  21.14 
1964 08 22.24  11.15  16.69 
1964 09 20.16   8.87  14.51 
1964 10 13.51   1.45   7.48 
1964 11  7.92   -.29   3.81 
1964 12   .-5  -7.29  -3.67 
1965 01 -3.75 -11.32  -7.53 
1965 02 -2.24 -10.50  -6.37 
1965 03  -.15  -7.16  -3.65 
1965 04  7.56  -1.74   2.91 
1965 05 20.69   7.92  14.30 
1965 06 23.20  10.41  16.80 
1965 07 23.80  11.07  17.43 
1965 08 23.71  12.79  18.25 
1965 09 20.83  11.05  15.94 
1965 10 12.04   2.60   7.32 
1965 11  6.07  -1.00   2.53 
1965 12  1.88  -4.10  -1.10 
1966 01 -4.16 -12.57  -8.36 
1966 02 -1.24  -9.46  -5.35 
1966 03  4.09  -3.77    .16 
1966 04  8.85    .-9   4.38 
1966 05 15.28   3.72   9.50 
1966 06 24.68  11.63  18.15 
1966 07 28.00  14.55  21.27 
1966 08 24.73  12.88  18.80 
1966 09 18.92   8.16  13.54 
1966 10 12.88   2.67   7.77 
1966 11  7.00    .-4   3.48 
1966 12  -.18  -7.18  -3.67 
1967 01   .30  -7.79  -3.74 
1967 02 -4.27 -13.49  -8.88 
1967 03  2.32  -7.44  -2.56 
1967 04 11.35    .96   6.15 
1967 05 13.65   3.32   8.48 
1967 06 26.16  13.82  19.99 
1967 07 24.14  13.38  18.76 
1967 08 23.22  12.41  17.81 
1967 09 20.12   7.53  13.83 
1967 10 13.40   4.48   8.93 
1967 11  3.24  -2.56    .34 
1967 12   .92  -5.79  -2.43 
1968 01 -4.44 -12.26  -8.35 
1968 02 -4.28 -12.48  -8.38 
1968 03  5.54  -4.36    .58 
1968 04 14.51   2.07   8.29 
1968 05 15.14   5.55  10.34 
1968 06 23.03  11.00  17.01 
1968 07 26.50  13.43  19.96 
1968 08 25.81  13.71  19.76 
1968 09 22.64  12.28  17.45 
1968 11  5.87   -.39   2.74 
1968 12 -1.30  -8.16  -4.73 
1969 01 -2.05 -10.06  -6.05 
1969 02 -1.47  -9.25  -5.36 
1969 03  1.91  -6.93  -2.51 
1969 04 12.98   1.62   7.30 
1969 05 18.12   6.05  12.08 
1969 06 21.82  11.07  16.44 
1969 07 26.10  14.88  20.49 
1969 08 27.44  14.48  20.96 
1969 09 21.43  10.46  15.94 
1969 10 13.55   4.01   8.78 
1969 11  6.21    .-9   3.06 
1969 12 -2.62  -9.22  -5.92 
1970 01 -5.77 -16.04 -10.91 
1970 02 -2.13 -12.04  -7.08 
1970 03   .66  -7.98  -3.66 
1970 04 12.48   1.42   6.95 
1970 05 19.04   7.60  13.32 
1970 06 23.75  11.95  17.85 
1970 07 26.45  15.03  20.74 
1970 08 25.93  14.18  20.05 
1970 09 20.58  10.62  15.60 
1970 10 14.71   6.79  10.75 
1970 11  6.98    .94   3.96 
1970 12 -1.15  -8.17  -4.66 
1971 04  9.68  -1.02   4.33 
1971 05 18.66   5.65  12.15 
1971 06 25.55  12.47  19.01 
1971 07 25.50  13.51  19.50 
1971 08 25.52  12.43  18.97 
