1917 12 20.56 -29.21 -24.88 
1918 01 13.17 -22.04 -17.60 
1918 02 -7.89 -20.76 -14.32 
1918 03  -.40 -11.70  -6.05 
1918 04 11.06  -1.65   4.70 
1918 05 13.40    .79   7.09 
1918 06 18.92   7.43  13.17 
1918 07 21.12   9.28  15.20 
1918 08 20.19   9.39  14.79 
1918 09 16.76   5.28  11.02 
1918 10  9.80  -1.81   3.99 
1918 11  1.74  -8.16  -3.21 
1918 12 -3.77 -13.41  -8.59 
1919 01 -1.80 -11.83  -6.81 
1919 02 11.20 -20.78 -15.99 
1919 03 -6.51 -17.51 -12.01 
1919 04 12.53    .-6   6.23 
1919 05 16.24   3.70   9.97 
1919 06 20.03   7.56  13.79 
1919 07 22.06  10.53  16.29 
1919 08 21.13   9.50  15.31 
1919 09 16.46   5.33  10.90 
1919 10  1.74  -8.51  -3.38 
1919 11 -6.03 -15.37 -10.70 
1919 12 -8.18 -18.02 -13.10 
1920 01 14.17 -23.41 -18.79 
1920 02 -1.91 -11.98  -6.94 
1920 03 -3.24 -13.89  -8.56 
1920 04  1.69  -7.11  -2.71 
1920 05 13.91   3.32   8.61 
1920 06 17.15   6.33  11.74 
1920 07 24.53  12.07  18.29 
1920 08 20.91   9.33  15.12 
1920 09 15.50   3.84   9.67 
1920 10  9.18  -1.59   3.79 
1920 11   .46  -7.07  -3.30 
1920 12 -8.58 -16.29 -12.44 
1921 01 10.68 -19.41 -15.04 
1921 02 -3.69 -12.98  -8.33 
1921 03 -3.29 -15.07  -9.18 
1921 04 11.01  -1.22   4.89 
1921 05 15.15   4.14   9.64 
1921 06 21.64   9.06  15.35 
1921 07 21.92  10.04  15.98 
1921 08 19.14   7.91  13.52 
1921 09 14.80   2.79   8.79 
1921 10 12.41    .57   6.49 
1921 11 -5.30 -12.45  -8.87 
1921 12 -5.26 -13.48  -9.37 
1922 01 -8.47 -18.06 -13.26 
1922 02 14.05 -24.76 -19.40 
1922 03 -2.29 -13.25  -7.77 
1922 04  9.17  -2.18   3.49 
1922 05 16.04   4.46  10.25 
1922 06 20.65   8.16  14.40 
1922 07 23.34  10.57  16.95 
1922 08 23.01  10.75  16.88 
1922 09 17.45   4.91  11.18 
1922 10  8.83   -.26   4.28 
1922 11   .32  -7.91  -3.79 
1922 12 12.01 -20.15 -16.08 
1923 01 11.11 -20.10 -15.60 
1923 02 -7.16 -19.07 -13.11 
1923 03 -4.14 -15.48  -9.80 
1923 04  9.12  -2.88   3.12 
1923 05 16.90   2.80   9.84 
1923 06 21.03   9.66  15.34 
1923 07 22.16  10.71  16.43 
1923 08 20.95   8.92  14.93 
1923 09 17.87   5.85  11.86 
1923 10 13.56    .51   7.03 
1923 11  6.00  -5.91    . 4 
1923 12 -3.99 -12.89  -8.44 
1924 01 11.52 -22.28 -16.90 
1924 02 -1.97 -12.01  -6.99 
1924 03  -.48  -9.99  -5.23 
1924 04  6.87  -5.47    .70 
1924 05 16.67   3.12   9.89 
1924 06 19.90   6.62  13.26 
1924 07 23.17  11.02  17.09 
1924 08 18.79   8.80  13.79 
1924 09 16.32   4.80  10.56 
1924 10 11.13    .31   5.72 
1924 11 -1.50  -9.14  -5.32 
1924 12 12.85 -23.66 -18.25 
1925 01 13.41 -24.00 -18.70 
1925 02 -9.80 -18.76 -14.28 
1925 03 -1.31 -12.38  -6.84 
1925 04  9.80    .61   5.20 
1925 05 18.82   5.41  12.11 
1925 06 20.45   9.01  14.73 
1925 07 23.75  11.02  17.38 
1925 08 21.12   9.58  15.35 
1925 09 15.32   2.96   9.13 
1925 10  4.46  -5.71   -.62 
1925 11   .74  -9.31  -4.28 
1925 12 -3.51 -11.47  -7.49 
1926 01 -2.72 -11.79  -7.25 
1926 02 -2.14 -11.20  -6.67 
1926 03  4.42  -7.20  -1.38 
1926 04 12.91   -.34   6.28 
1926 05 17.57   4.65  11.11 
1926 06 18.84   7.08  12.96 
1926 07 25.61  11.42  18.51 
1926 08 20.19   9.18  14.69 
1926 09 10.84   1.22   6.03 
1926 10  9.00   -.60   4.19 
1926 11 -5.29 -12.69  -8.99 
1926 12 -7.40 -16.79 -12.09 
1927 01 11.02 -20.59 -15.80 
1927 02 -8.60 -19.44 -14.02 
1927 03   .97  -8.28  -3.65 
1927 04  8.31  -3.12   2.59 
1927 05 14.67   3.16   8.91 
1927 06 19.70   8.49  14.09 
1927 07 22.60  11.33  16.96 
1927 08 23.43  10.26  16.84 
1927 09 14.40   3.94   9.17 
1927 10  9.18   -.81   4.18 
1927 11 -9.30 -18.21 -13.76 
1927 12 15.00 -24.97 -19.98 
1928 01 -3.78 -13.43  -8.60 
1928 02  -.22 -10.04  -5.13 
1928 03   .73  -6.72  -2.99 
1928 04  4.63  -6.35   -.85 
1928 05 20.18   6.45  13.31 
1928 06 20.25   8.21  14.23 
1928 07 23.63  10.96  17.29 
1928 08 20.61   6.74  13.67 
1928 09 18.21   3.78  11.00 
1928 10  6.56  -3.31   1.62 
1928 11  4.59  -6.15   -.78 
1928 12 -1.60 -11.37  -6.48 
1929 01 16.19 -25.12 -20.65 
1929 02 -8.97 -18.59 -13.78 
1929 03  1.63 -10.12  -4.24 
1929 04  7.02  -3.13   1.94 
1929 05 16.34   3.43   9.88 
1929 06 20.41   8.01  14.21 
1929 07 22.62   9.60  16.11 
1929 08 21.35   9.07  15.21 
1929 09 15.52   3.65   9.58 
1929 10 14.81   1.39   8.10 
1929 11  2.92  -6.91  -1.99 
1929 12 -9.05 -18.20 -13.62 
1930 01 15.72 -24.53 -20.12 
1930 02 -1.03 -13.09  -7.06 
1930 03  3.07  -8.12  -2.52 
1930 04 11.45   -.58   5.43 
1930 05 14.61   3.46   9.03 
1930 06 19.45   8.14  13.80 
1930 07 24.71  10.55  17.62 
1930 08 22.99  10.18  16.59 
1930 09 14.33   4.11   9.22 
1930 10  6.34  -3.67   1.33 
1930 11  1.93  -7.58  -2.82 
1930 12  2.74  -5.90  -1.58 
1931 01  -.55 -10.35  -5.45 
1931 02  5.28  -5.85   -.28 
1931 03 -3.08 -12.92  -8.00 
1931 04 12.87   -.21   6.33 
1931 05 16.77   4.15  10.46 
1931 06 20.16   7.82  13.99 
1931 07 22.52  10.52  16.52 
1931 08 21.72   9.46  15.59 
1931 09 15.13   4.31   9.72 
1931 10 11.95    .34   6.14 
1931 11  -.81 -10.52  -5.66 
1931 12 -5.19 -13.24  -9.21 
1932 01 10.56 -20.43 -15.49 
1932 02 -8.96 -20.68 -14.82 
1932 03 -6.75 -17.85 -12.30 
1932 04  9.45   -.52   4.46 
1932 05 18.29   5.67  11.98 
1932 06 21.94   8.97  15.45 
1932 07 21.78  10.05  15.91 
1932 08 22.92  10.66  16.79 
1932 09 16.37   5.25  10.81 
1932 10  5.55  -3.60    .97 
1932 11 -2.33 -11.41  -6.87 
1932 12 -6.23 -15.09 -10.66 
1933 01 12.47 -22.64 -17.55 
1933 02 10.40 -21.49 -15.94 
1933 03 -2.78 -13.69  -8.23 
1933 04  6.70  -3.91   1.39 
1933 05 16.85   4.53  10.69 
1933 06 19.94   7.45  13.69 
1933 07 21.46   9.45  15.45 
1933 08 23.51  10.64  17.07 
1933 09 13.26   3.33   8.29 
1933 10  6.04  -2.62   1.71 
1933 11  -.96  -6.21  -3.58 
1933 12 22.37 -27.99 -25.18 
1934 01 -3.22 -13.31  -8.26 
1934 02 -1.39 -10.05  -5.72 
1934 03  -.65 -11.09  -5.87 
1934 04 12.16    .44   6.30 
1934 05 18.53   5.84  12.18 
1934 06 18.78   7.82  13.30 
1934 07 20.85   9.43  15.14 
1934 08 19.96   8.95  14.45 
1934 09 10.77   1.97   6.37 
1934 10  8.68   -.52   4.08 
1934 11 -1.55  -7.54  -4.54 
1934 12 -9.64 -16.73 -13.18 
1935 01 16.89 -25.27 -21.08 
1935 02   .44  -7.57  -3.56 
1935 03 -6.95 -16.40 -11.67 
1935 04  3.40  -6.56  -1.58 
1935 05 14.62   4.01   9.31 
1935 06 18.01   8.24  13.12 
1935 07 22.57  12.14  17.35 
1935 08 18.67   8.14  13.41 
1935 09 15.40   5.29  10.34 
1935 10  8.08  -1.28   3.40 
1935 11 -4.77 -13.18  -8.97 
1935 12 -3.55 -12.70  -8.12 
1936 01 18.03 -24.91 -21.47 
1936 02 22.11 -31.13 -26.62 
1936 03  -.34  -9.03  -4.68 
1936 04  6.29  -4.21   1.04 
1936 05 18.04   7.13  12.59 
1936 06 19.62   8.26  13.94 
1936 07 24.05  11.50  17.77 
1936 08 21.54  10.40  15.97 
1936 09 14.33   3.50   8.91 
1936 10  9.99   -.50   4.74 
1936 11  4.23  -3.76    .23 
1936 12 -9.93 -16.82 -13.37 
1937 01 15.72 -25.57 -20.64 
1937 02 -8.79 -18.70 -13.75 
1937 03  1.22  -8.60  -3.69 
1937 04 11.06    . 9   5.57 
1937 05 17.95   5.65  11.80 
1937 06 22.06   8.81  15.43 
1937 07 22.67  11.24  16.95 
1937 08 19.82   8.71  14.26 
1937 09 18.04   5.68  11.86 
1937 10 10.21    .83   5.52 
1937 11 -4.42 -11.19  -7.80 
1937 12 11.17 -20.18 -15.67 
1938 01 -6.49 -14.90 -10.69 
1938 02 11.15 -19.78 -15.46 
1938 03  2.83  -6.45  -1.81 
1938 04 10.98  -1.16   4.90 
1938 05 16.41   4.38  10.39 
1938 06 21.97   9.45  15.70 
1938 07 25.43  11.45  18.44 
1938 08 20.53   8.47  14.50 
1938 09 23.61  10.02  16.81 
1938 10 12.06   2.51   7.28 
1938 11 -2.33  -9.10  -5.71 
1938 12 -5.74 -13.21  -9.47 
1939 01 -4.44 -13.26  -8.85 
1939 02 13.90 -23.12 -18.51 
1939 03 -1.61 -11.39  -6.50 
1939 04 11.09  -1.11   4.99 
1939 05 15.34   5.59  10.46 
1939 06 18.31   6.63  12.46 
1939 07 24.16  11.33  17.74 
1939 08 24.09   9.47  16.78 
1939 09 15.95   3.93   9.93 
1940 01 12.24 -20.34 -16.29 
1940 02 -6.99 -14.27 -10.63 
1954 05 14.00   3.79   8.89 
1954 06 16.98   7.39  12.18 
1954 07 21.19  10.41  15.80 
1954 08 17.90   9.87  13.88 
1954 09 14.15   5.65   9.89 
1954 10  9.81   1.00   5.40 
1954 11  4.00  -2.87    .56 
1954 12   . 0  -7.98  -3.99 
1955 01 -4.82 -13.54  -9.18 
1955 02 -7.96 -17.59 -12.77 
1955 03 -6.30 -16.90 -11.60 
1955 04  7.76  -1.76   3.00 
1955 05 15.07   3.68   9.37 
1955 08 21.05   9.21  15.12 
1955 09 13.33   3.78   8.55 
1955 10  8.89    .52   4.71 
1955 11 11.83 -19.00 -15.41 
1955 12 13.28 -99.99 -99.99 
1956 01 15.55 -23.04 -19.29 
1956 02 -9.10 -17.87 -13.48 
1956 03 -2.59 -10.72  -6.65 
1956 04  5.82  -2.80   1.51 
1956 05 17.86   5.55  11.70 
1956 06 19.66   8.83  14.24 
1956 07 21.74  10.98  16.36 
1956 08 21.12  10.04  15.58 
1956 09 13.92   4.07   8.99 
1956 10  7.56  -1.78   2.89 
1956 11  4.61  -3.79    .41 
1956 12 -7.29 -14.71 -11.00 
1957 01 12.78 -19.74 -16.26 
1957 02 -8.59 -18.45 -13.52 
1957 03  -.48 -10.00  -5.24 
1957 04  9.18  -1.51   3.83 
1957 05 16.74   5.69  11.21 
1957 06 19.54   8.10  13.82 
1957 07 21.30  10.90  16.09 
1957 08 19.62   9.38  14.50 
1957 09 16.26   7.19  11.72 
1957 10  6.75 -99.99 -99.99 
1957 11  3.62  -4.53   -.45 
1957 12 99.99 -12.77 -99.99 
1958 01 -2.62 -10.46  -6.54 
1958 02 -9.68 -16.99 -13.33 
1958 03  -.82  -8.39  -4.60 
1958 04  8.87    . 0   4.43 
1958 05 19.18   6.17  12.67 
1958 06 19.53   7.89  13.71 
1958 07 23.80  11.38  17.59 
1958 08 23.86  11.15  17.50 
1958 09 13.70   4.76   9.22 
1958 10 11.97   1.39   6.68 
1958 11 -1.49  -8.31  -4.90 
1958 12 -6.43 -15.16 -10.79 
1959 01 18.34 -25.64 -21.99 
1959 02 -5.55 -15.13 -10.34 
1959 03  4.79  -4.44    .17 
1959 04 10.09   -.86   4.61 
1959 05 12.97   1.64   7.30 
1959 06 17.84   7.35  12.59 
1959 07 23.78  11.41  17.59 
1959 08 17.36   8.18  12.77 
1959 09 13.67   4.12   8.89 
1959 10  6.09   -.81   2.64 
1959 11 -1.94  -9.84  -5.89 
1959 12  -.14  -6.57  -3.35 
1960 01 -9.71 -19.06 -14.38 
1960 02 -7.44 -14.77 -11.10 
1960 03 -1.54 -12.91  -7.22 
1960 04 10.72   -.48   5.12 
1960 05 14.76   3.24   9.00 
1960 06 17.66   6.54  12.10 
1960 07 23.85  12.18  18.01 
1960 08 20.19  10.14  15.16 
1960 09 16.54   6.06  11.30 
1960 10  9.56   1.03   5.29 
1960 11 -1.48  -8.87  -5.17 
1960 12 -2.58 -11.71  -7.14 
1961 01 -5.16 -13.35  -9.25 
1961 02 -4.15 -12.94  -8.54 
1961 03   .90  -7.61  -3.35 
1961 04  7.78  -3.58   2.10 
1961 05 17.62   5.13  11.37 
1961 06 23.63  11.29  17.45 
1961 07 99.99  11.34 -99.99 
1961 08 24.09  10.55  17.32 
1961 09 12.72   1.47   7.09 
1961 10  7.18  -2.21   2.48 
1961 11 -3.82 -10.16  -6.99 
1961 12 14.52 -24.76 -19.64 
1962 01 -8.18 -19.01 -13.59 
1962 02 11.95 -21.95 -16.95 
1962 03 -3.28 -13.90  -8.59 
1962 04  8.47  -1.25   3.61 
1962 05 14.95   4.44   9.70 
1962 06 19.69   8.92  14.30 
1962 07 19.64   9.91  14.77 
1962 08 20.08   9.91  14.99 
1962 09 16.62   5.91  11.27 
1962 10 11.59   2.67   7.13 
1962 11  1.61  -5.09  -1.74 
1962 12 -5.02 -12.86  -8.93 
1963 01 11.13 -20.93 -16.03 
1963 02 -5.98 -13.03  -9.50 
1963 03  -.34  -7.11  -3.72 
1963 04  9.13  -1.53   3.80 
1963 05 14.63   3.35   8.99 
1963 06 21.65   9.09  15.37 
1963 07 23.75  12.26  18.00 
1963 08 22.28  11.11  16.69 
1963 09 18.89   8.43  13.66 
1963 10 13.81   3.37   8.59 
1963 11 -2.55 -10.63  -6.59 
1963 12 -5.71 -13.38  -9.54 
1964 01 -6.54 -14.05 -10.29 
1964 02  2.22  -6.58  -2.17 
1964 03 -4.67 -16.78 -10.72 
1964 04  9.68  -1.79   3.94 
1964 05 16.25   4.92  10.59 
1964 06 20.52   8.39  14.45 
1964 07 22.82  12.17  17.49 
1964 08 19.09   9.71  14.40 
1964 09 12.12   4.02   8.07 
1964 10 12.76   2.95   7.85 
1964 11 -2.59  -9.26  -5.92 
1964 12 16.37 -22.42 -19.40 
1965 01 13.22 -21.45 -17.33 
1965 02 10.36 -21.13 -15.74 
1965 03 -3.03 -14.05  -8.54 
1965 04  7.31  -1.57   2.87 
1965 05 14.98   4.41   9.69 
1965 06 19.62   8.29  13.95 
1965 07 23.19  12.28  17.73 
1965 08 21.69  11.49  16.59 
1965 09 10.06   1.19   5.62 
1965 10 13.40   2.65   8.02 
1965 11 -4.69 -11.25  -7.97 
1965 12 -7.03 -14.02 -10.52 
1966 01 20.37 -99.99 -99.99 
1966 02 -6.32 -15.72 -11.02 
1966 03   .58  -8.74  -4.07 
1966 04  4.37  -4.91   -.26 
1966 05 17.29   5.53  11.41 
1966 06 18.19   7.66  12.92 
1966 07 21.62  10.99  16.30 
1966 08 19.48   9.91  14.69 
1966 09 17.59   6.55  12.07 
1966 10  8.52    .-2   4.25 
1966 11 -7.24 -15.29 -11.26 
1966 12 -6.68 -13.65 -10.16 
1967 01 12.53 -20.82 -16.67 
1967 02 -5.48 -16.94 -11.21 
1967 03 -5.49 -14.62 -10.05 
1967 04  4.63  -5.34   -.35 
1967 05 15.68   4.75  10.21 
1967 06 19.16   7.81  13.48 
1967 07 22.80  11.01  16.90 
1967 08 25.02  12.05  18.53 
1967 09 20.83   9.03  14.93 
1967 10  8.05   1.20   4.62 
1967 11   .39  -6.30  -2.95 
1967 12 -8.06 -15.73 -11.89 
1968 01 12.28 -21.27 -16.77 
1968 02 -3.02 -12.51  -7.76 
1968 03  3.54  -4.27   -.36 
1968 04  9.09  -1.84   3.62 
1968 05 15.75   4.06   9.90 
1968 06 19.17   7.94  13.55 
1968 07 21.45   9.95  15.70 
1968 08 18.31   8.82  13.56 
1968 09 13.71   5.26   9.48 
1968 10  7.84    .83   4.33 
1968 11  1.76  -6.56  -2.40 
1968 12 14.71 -20.56 -17.63 
1969 01 23.61 -30.23 -26.92 
1969 02 -8.20 -16.73 -12.46 
1969 03  -.89 -10.51  -5.70 
1969 04 11.55   1.64   6.59 
1969 05 15.94   4.31  10.12 
1969 06 20.20   8.09  14.15 
1969 07 21.22  10.43  15.82 
1969 08 20.44   9.68  15.06 
1969 09 12.56   5.43   8.99 
1969 10  5.91  -2.15   1.87 
1969 11  1.96  -6.43  -2.23 
1969 12 -3.88 -10.35  -7.11 
1970 01 14.17 -21.43 -17.79 
1970 02 -2.56 -10.62  -6.59 
1970 04 10.54 -99.99 -99.99 
1970 05 16.43   3.46   9.94 
1970 06 22.58  11.47  17.02 
1970 07 21.60  11.04  16.32 
1970 08 21.33   9.75  15.54 
1970 09 15.07   4.41   9.74 
1970 10  8.33  -1.60   3.36 
1970 11 -6.58 -12.53  -9.55 
1970 12 13.71 -23.47 -18.59 
1971 01 16.28 -26.24 -21.26 
1971 02 -1.57 -13.05  -7.31 
1971 03 -1.38 -12.56  -6.97 
1971 04  9.92   -.68   4.62 
1971 05 19.89   6.39  13.14 
1971 06 18.98 -99.99 -99.99 
1971 07 21.41 -99.99 -99.99 
1971 08 22.50 -99.99 -99.99 
1971 09 13.59 -99.99 -99.99 
1971 10  9.63   -.78   4.42 
1971 11 -1.98  -8.57  -5.27 
1971 12 12.53 -21.60 -17.06 
1972 01 14.00 -24.39 -19.19 
1972 02 13.03 -20.72 -16.87 
1972 03   .86  -9.17  -4.15 
1972 04  7.00  -3.04   1.98 
1972 05 18.52   6.02  12.27 
1972 06 19.81   8.70  14.25 
1972 07 19.14   8.49  13.81 
1972 08 22.31  11.41  16.86 
1972 09  9.39    .98   5.18 
1972 10  6.71  -2.52   2.09 
1972 11 -2.02  -6.97  -4.49 
1973 01 -6.46 -15.51 -10.98 
1973 02 -5.53 -15.09 -10.31 
1973 03  4.14  -6.13   -.99 
1973 04  8.43  -1.89   3.27 
1973 05 18.32   6.05  12.18 
1973 06 99.99   8.21 -99.99 
1973 07 21.33  10.45  15.89 
1973 08 19.25   9.27  14.26 
1973 09 14.45   4.71   9.58 
1973 10  7.81    .10   3.95 
1973 11 10.77 -16.73 -13.75 
1973 12 -8.89 -17.21 -13.05 
1974 01 15.68 -23.96 -19.82 
1974 02 -3.93 -14.34  -9.13 
1974 03 -5.25 -15.45 -10.35 
1974 04  9.77   -.60   4.58 
1974 05 13.60   2.90   8.25 
1974 06 20.45   9.10  14.77 
1974 07 20.35   9.85  15.10 
1974 08 18.21   7.57  12.89 
1974 09 13.70   3.66   8.68 
1974 10 12.43   1.21   6.82 
1974 11  2.19  -5.69  -1.75 
1974 12  -.68  -8.16  -4.42 
1975 01 -7.29 -16.54 -11.92 
1975 02 -9.01 -18.10 -13.55 
1975 03 -3.66 -12.72  -8.19 
1975 04  6.15  -4.07   1.04 
1975 05 15.42   4.07   9.74 
1975 06 18.48   7.86  13.17 
1975 07 23.14  12.68  17.91 
1975 08 17.24   8.22  12.73 
1975 09 16.76   5.63  11.19 
1975 10  8.04   -.13   3.95 
1975 11  -.56  -8.47  -4.51 
1975 12 -6.52 -16.42 -11.47 
1976 01 -5.56 -15.67 -10.61 
1976 02 -3.40 -13.24  -8.32 
1976 03   .75  -9.21  -4.23 
1976 04 13.37   1.24   7.30 
1976 05 18.09   5.07  11.58 
