1957 04 14.01    .69   7.35 
1957 05 20.99   6.38  13.68 
1957 06 25.84  12.64  19.24 
1957 07 30.39  17.54  23.96 
1957 08 26.58 -99.99 -99.99 
1957 09 21.46   7.54  14.50 
1957 10 13.93   2.44   8.18 
1957 12   .72  -8.57  -3.92 
1958 01 -1.45  -9.85  -5.65 
1958 02 -3.50 -15.66  -9.58 
1958 03  5.22  -6.24   -.51 
1958 04 15.02    .65   7.83 
1958 05 24.18   6.83  15.50 
1958 06 23.59   9.57  16.58 
1958 07 26.90  13.00  19.95 
1958 08 27.97  12.64  20.30 
1958 09 23.60   8.31  15.95 
1958 10 18.37   2.86  10.61 
1958 11  8.39  -5.69   1.35 
1958 12 -4.07 -17.29 -10.68 
1959 01 -6.19 -21.74 -13.96 
1959 02 -2.96 -17.82 -10.39 
1959 03  6.40  -7.24   -.41 
1959 04 15.21    .78   7.99 
1959 05 23.01   9.45  16.23 
1959 06 28.05 -99.99 -99.99 
1959 07 29.43  14.35  21.89 
1959 08 29.16  16.31  22.73 
1959 09 22.65   8.76  15.70 
1959 10 11.83    .48   6.15 
1959 11  1.17  -9.05  -3.93 
1959 12  3.39  -6.85  -1.72 
1960 01 -3.68 -13.36  -8.51 
1960 02 -2.10 -13.02  -7.56 
1960 03  -.43 -12.36  -6.39 
1960 04 14.01   1.57   7.79 
1960 05 20.19   7.67  13.93 
1960 06 25.09  11.15  18.11 
1960 07 29.21  14.23  21.72 
1960 08 28.55  14.61  21.58 
1960 09 22.55  10.00  16.27 
1960 10 17.08   1.24   9.16 
1960 11  7.52  -3.98   1.77 
1960 12 -1.28 -14.05  -7.66 
1961 01 -2.61 -15.89  -9.25 
1961 02  2.43 -10.05  -3.81 
1961 03  5.81  -4.21    .79 
1961 04  9.92  -1.80   4.06 
1961 05 20.61   5.45  13.03 
1961 06 27.84  12.73  20.28 
1961 07 27.87 -99.99 -99.99 
1961 08 28.49  14.60  21.54 
1961 09 21.83   8.80  15.31 
1961 10 16.99   3.10  10.04 
1961 11  6.17  -4.92    .62 
1961 12 -3.59 -14.71  -9.14 
1962 01 -6.29 -19.48 -12.88 
1962 02 -4.23 -15.81 -10.02 
1962 03  1.29  -8.47  -3.59 
1962 04 12.73  -1.70   5.51 
1962 05 22.59   9.20  15.89 
1962 06 25.80  10.72  18.26 
1962 07 26.21  12.24  19.22 
1962 08 27.81  11.03  19.42 
1962 09 20.25   5.80  13.02 
1962 10 17.45   2.29   9.87 
1962 11  7.50  -5.16   1.17 
1962 12  -.86 -13.49  -7.17 
1963 01 -9.89 -23.35 -16.62 
1963 02 -3.10 -18.79 -10.94 
1963 03  7.47  -5.36   1.05 
1963 04 16.29   1.32   8.80 
1963 05 20.25   6.10  13.17 
1963 06 28.66  13.20  20.93 
1963 07 29.06  14.65  21.85 
1963 08 27.92  12.33  20.12 
1963 09 24.44 -99.99 -99.99 
1963 10 22.65 -99.99 -99.99 
1963 11  9.50  -4.13   2.68 
1963 12 -7.15 -18.14 -12.64 
1964 01  -.61 -99.99 -99.99 
1964 02  2.81 -99.99 -99.99 
1964 03  3.56 -99.99 -99.99 
1964 04 14.18 -99.99 -99.99 
1964 05 22.45   8.68  15.57 
1964 06 27.34  12.45  19.89 
1964 07 31.15  15.92  23.53 
1964 08 28.19  12.16  20.17 
1964 09 20.43   8.91  14.67 
1964 10 15.19   2.39   8.79 
1964 11  8.02  -4.56   1.73 
1964 12 -4.28 -99.99 -99.99 
1965 01 -5.66 -18.73 -12.19 
1965 02 -2.92 -17.35 -10.13 
1965 03 -1.62 -14.11  -7.86 
1965 04 10.39   1.11   5.75 
1965 05 20.23   8.49  14.36 
1965 06 24.99  12.20  18.59 
1965 07 27.04  14.16  20.60 
1965 08 26.07  12.74  19.40 
1965 09 16.08   6.74  11.41 
1965 10 15.73   3.18   9.45 
1965 11 99.99  -4.65 -99.99 
1965 12 99.99  -7.03 -99.99 
1966 03 99.99  -3.79 -99.99 
1966 04  9.18   -.44   4.37 
1966 05 18.40   3.45  10.92 
1966 06 26.13  12.38  19.25 
1966 07 29.58  16.49  23.03 
1966 08 24.99  12.49  18.74 
1966 09 21.16   7.82  14.49 
1966 10 14.30   1.41   7.85 
1966 11  4.98  -5.21   -.11 
1966 12 -2.59 -11.40  -6.99 
1967 01 -2.94 -14.94  -8.93 
1967 02 -5.39 -20.62 -13.00 
1967 03  4.54  -6.41   -.93 
1967 04 12.63   2.06   7.34 
1967 05 18.64   3.51  11.07 
1967 06 25.35  13.20  19.27 
1967 07 27.22  13.45  20.33 
1967 08 26.36  11.07  18.71 
1967 09 24.11   6.94  15.52 
1967 10 15.03   1.72   8.37 
1967 11  5.09  -6.40   -.65 
1967 12   .75 -10.94  -5.09 
1968 01 -3.50 -99.99 -99.99 
1968 02 -3.41 -99.99 -99.99 
1968 03 11.73 -99.99 -99.99 
1968 04 17.24 -99.99 -99.99 
1968 05 18.54   5.68  12.11 
1968 06 25.62  13.32  19.47 
1968 07 28.18  14.68  21.43 
1968 08 27.58  13.55  20.56 
1968 09 22.39   8.95  15.67 
1968 10 17.12   5.04  11.08 
1968 11  5.58  -3.49   1.04 
1968 12 -2.73 -12.33  -7.53 
1969 01 -7.50 -18.24 -12.87 
1969 02 -1.84 -13.95  -7.89 
1969 03   .78 -10.68  -4.95 
1969 04 15.33   2.77   9.05 
1969 05 23.10   7.86  15.48 
1969 06 22.51   9.00  15.75 
1969 07 28.05  14.28  21.16 
1969 08 29.41  13.15  21.28 
1969 09 23.87   7.54  15.70 
1969 10 13.58   2.48   8.03 
1969 11  6.23  -4.40    .91 
1969 12 -1.86 -12.33  -7.09 
1970 01 -9.67 -21.52 -15.59 
1970 02  -.40 -99.99 -99.99 
1970 03  1.14  -7.42  -3.14 
1970 06 28.15  14.83  21.49 
1970 07 31.21  16.51  23.86 
