1915 08 99.99  14.73 -99.99 
1915 09 18.43   6.62  12.52 
1915 10 12.01   1.57   6.79 
1915 11  5.53  -3.41   1.06 
1915 12  1.27 -12.99  -5.85 
1916 06 19.89   6.91  13.40 
1916 07 29.80  12.24  21.02 
1916 08 26.32  12.45  19.38 
1916 09 99.99   5.45 -99.99 
1916 10 11.40    .28   5.83 
1917 05 15.07    .54   7.80 
1917 06 20.89   7.62  14.25 
1917 07 26.47  11.66  19.06 
1917 08 22.05   7.47  14.75 
1917 09 17.95   5.70  11.82 
1917 10  7.23  -2.58   2.32 
1917 11  5.30  -5.45    .-7 
1917 12 -6.54 -20.76 -13.65 
1918 01 10.26 -26.29 -18.27 
1918 02 -3.00 -19.41 -11.20 
1918 03  3.96 -11.88  -3.96 
1918 04 12.49  -4.91   3.79 
1918 05 18.37   3.35  10.86 
1918 07 25.55   9.95  17.75 
1918 09 16.33  10.33  13.33 
1961 12 -3.01 -13.51  -8.26 
1962 01 -8.39 -20.94 -14.66 
1962 02 -7.04 -23.85 -15.44 
1962 03  4.19 -11.26  -3.53 
1962 04  7.74  -3.99   1.87 
1962 05 18.15   4.23  11.19 
1962 06 22.02   5.88  13.95 
1962 07 24.06   7.95  16.00 
1962 08 23.69   8.83  16.26 
1962 09 16.94   4.23  10.58 
1962 10 12.65   1.99   7.32 
1962 11  4.07  -4.91   -.41 
1962 12 -3.93 -15.37  -9.64 
1963 01 -9.68 -22.11 -15.89 
1963 02 -8.80 -25.48 -17.14 
1963 03  1.98 -14.03  -6.02 
1963 04 10.25  -3.73   3.26 
1963 05 15.37   -.58   7.39 
1963 06 23.93   7.24  15.58 
1963 07 25.01   9.80  17.40 
1963 08 21.63   8.47  15.05 
1963 10 18.35   1.81  10.08 
1963 11  7.10  -2.25   2.42 
1963 12 -6.15 -17.34 -11.74 
1964 01 -2.53 -14.48  -8.50 
1964 02 -2.54 -18.45 -10.50 
1964 03   .16 -14.88  -7.36 
1964 04  8.66  -4.76   1.94 
1964 05 19.54   2.99  11.27 
1964 08 19.73   8.46  14.09 
1964 09 16.84   5.64  11.24 
1964 10 11.16  -1.80   4.67 
1964 11  5.04  -4.73    .15 
1964 12 -4.96 -16.45 -10.70 
1965 01 -7.00 -20.07 -13.53 
1965 02 -5.98 -20.34 -13.16 
1965 03   .26 -16.68  -8.21 
1965 04  7.75  -5.31   1.22 
1965 05 18.20   3.49  10.84 
1965 07 20.83   7.27  14.05 
1965 08 20.80   9.25  15.02 
1965 09 15.70   5.50  10.60 
1965 10  9.83    .36   5.09 
1965 11  2.78  -4.89  -1.05 
1965 12  -.43  -8.18  -4.31 
1966 01 -7.67 -22.15 -14.91 
1966 02 -3.38 -14.55  -8.96 
1966 03  1.86  -8.47  -3.30 
1966 04  7.70  -3.13   2.28 
1966 05 13.54   -.58   6.48 
1966 06 23.11   7.37  15.24 
1966 07 26.03   9.32  17.67 
1966 08 21.91  10.42  16.16 
1966 09 18.58   4.27  11.42 
1966 10 11.33    .72   6.02 
1966 11  1.50  -5.46  -1.98 
1966 12 -4.53 -14.14  -9.33 
1967 01 -4.28 -15.70  -9.99 
1967 02 -7.90 -23.62 -15.76 
1967 03   .68 -14.07  -6.69 
1967 04  8.08  -4.17   1.95 
1967 05 14.31  -1.74   6.28 
1967 06 22.72   8.85  15.78 
1967 07 22.26   9.41  15.83 
1967 08 21.87   7.85  14.86 
1967 09 19.17   3.82  11.49 
1967 10 10.82    .95   5.88 
1967 12 -2.42 -11.70  -7.06 
1968 01 -6.82 -20.43 -13.62 
1968 02 -7.40 -22.97 -15.18 
1968 03  2.87 -12.31  -4.72 
1968 04 10.58  -2.72   3.92 
1968 05 16.20   1.60   8.90 
1968 06 19.77   8.18  13.98 
1968 07 22.83   9.76  16.29 
1968 08 22.51   9.35  15.93 
1968 09 20.12   8.76  14.44 
1968 10 12.69   3.08   7.88 
1968 11  1.89  -4.96  -1.54 
1968 12 -4.05 -13.55  -8.80 
1969 01 -5.00 -16.67 -10.83 
1969 02 -1.22 -18.20  -9.71 
1969 03   .51 -14.91  -7.20 
1969 04  9.24  -3.65   2.79 
1969 05 16.11   1.05   8.58 
1969 06 18.34   5.76  12.05 
1969 07 24.45   9.17  16.81 
1969 08 24.85  10.57  17.70 
1969 09 18.54   6.38  12.46 
1969 10  9.45    .70   5.07 
1969 11  3.98  -4.81   -.41 
1969 12 -3.35 -14.94  -9.14 
1970 01 -7.65 -21.33 -14.49 
1970 02 -5.84 -22.82 -14.33 
1970 03   .28 -16.50  -8.10 
1970 04  9.52  -4.37   2.57 
1970 06 22.74   6.51  14.62 
1970 07 24.91  11.61  18.26 
1970 08 23.63   9.56  16.59 
1971 06 24.13   8.53  16.33 
1972 07 22.53   9.00  15.76 
1972 08 20.68   9.75  15.21 
1972 09 17.66   4.51  11.08 
1972 10  8.41  -1.45   3.48 
1972 11  1.45  -5.57  -2.06 
1972 12 -5.56 -15.18 -10.37 
1973 01 -4.55 -17.04 -10.79 
1973 03  5.62  -4.64    .49 
1973 05 14.81   3.05   8.93 
1973 06 21.93   9.63  15.78 
1973 07 24.05   9.03  16.53 
1973 08 25.22  12.41  18.81 
1974 01 -6.58 -19.59 -13.08 
1974 02 -7.48 -24.17 -15.82 
1974 03  -.85 -13.63  -7.24 
1974 05 15.06   2.26   8.66 
1974 11  4.17  -3.50    .33 
1974 12  -.69  -8.88  -4.78 
1975 01 -4.92 -16.91 -10.92 
1975 03   .36 -12.11  -5.87 
