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   0.79   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  -0.06   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   0.46  -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   0.57   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   0.32  -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   0.51   7.03 
1923 11   6.00  -5.91   0.04 
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   0.70 
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   0.31   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   0.61   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   0.74  -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   0.97  -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   0.73  -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   0.34   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   0.97 
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   0.44   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   0.44  -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   0.23 
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   0.09   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   0.83   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   0.56 
1954 12   0.00  -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   0.52   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   0.41 
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   0.00   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   0.17 
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   0.90  -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   0.58  -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  -0.02   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   0.39  -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   0.83   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   0.86  -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   0.98   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   0.10   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   0.75  -9.21  -4.23 
1976 04  13.37   1.24   7.30 
1976 05  18.09   5.07  11.58 
