1919 01 -4.19  -8.70  -6.45 
1919 02 -2.40  -7.90  -5.15 
1919 03  2.20  -4.60  -1.19 
1919 04  8.20    .60   4.40 
1919 05 12.70   5.20   8.95 
1919 06 15.70  10.30  13.00 
1919 07 18.79  14.10  16.45 
1919 08 20.10  15.00  17.54 
1919 09 16.50  11.40  13.95 
1919 10 11.40   6.10   8.75 
1919 11  7.30   1.60   4.45 
1919 12 -2.00  -6.20  -4.10 
1920 01 -3.40  -7.50  -5.45 
1920 02 -4.10  -9.10  -6.60 
1920 03   .80  -4.69  -1.95 
1920 04  7.80    .90   4.35 
1920 05 11.80   5.70   8.75 
1920 06 15.80  10.80  13.30 
1920 07 20.60  15.80  18.20 
1920 08 19.60  15.30  17.45 
1920 09 17.00  11.80  14.40 
1920 10 11.70   5.90   8.80 
1920 11  7.70   1.60   4.65 
1920 12   .10  -4.90  -2.40 
1921 01 -2.50  -7.50  -5.00 
1921 02 -3.60  -9.10  -6.35 
1921 03 -1.30  -7.60  -4.44 
1921 04  8.39   1.20   4.79 
1921 05 11.50   5.20   8.35 
1921 06 13.90   8.80  11.35 
1921 07 19.10  14.80  16.95 
1921 08 21.00  15.90  18.45 
1921 09 16.90  12.10  14.50 
1921 10 11.60   5.90   8.75 
1921 11  2.30  -2.80   -.25 
1921 12  -.80  -6.00  -3.40 
1922 01 -5.90 -10.40  -8.14 
1922 02  1.50  -4.69  -1.59 
1922 03  -.40  -6.90  -3.65 
1922 04  8.00   1.30   4.65 
1922 05 13.20   5.60   9.39 
1922 06 17.29  10.60  13.95 
1922 07 19.79  14.90  17.34 
1922 08 22.60  16.70  19.65 
1922 09 18.90  13.10  16.00 
1922 10 12.20   5.90   9.05 
1922 11  6.00   -.30   2.85 
1922 12 -2.70  -7.10  -4.90 
1923 01 -4.40  -9.80  -7.10 
1923 02 -3.20  -8.80  -6.00 
1923 03  3.20  -4.30   -.55 
1923 04  7.40    .40   3.90 
1923 05 12.40   6.60   9.50 
1923 06 15.80  10.00  12.90 
1923 07 18.60  14.40  16.50 
1923 08 22.90  17.10  20.00 
1923 09 18.40  12.90  15.65 
1923 10 12.00   6.20   9.10 
1923 11  6.90    .10   3.50 
1923 12  -.20  -5.30  -2.75 
1924 01 -3.90  -8.70  -6.30 
1924 02 -3.50  -8.80  -6.15 
1924 03 -4.60  -9.20  -6.89 
1924 04  9.10   2.40   5.75 
1924 05 11.20   4.69   7.95 
1924 06 15.60   9.60  12.60 
1924 07 22.00  16.00  19.00 
1924 08 21.10  15.60  18.35 
1924 09 16.40  11.40  13.90 
1924 10 11.10   5.80   8.45 
1924 11  3.30  -2.20    .54 
1924 12 -1.90  -6.00  -3.95 
1925 01 -5.20  -9.10  -7.15 
1925 02 -5.50 -10.50  -8.00 
1925 03 -2.20  -8.30  -5.25 
1925 04  5.20  -1.00   2.09 
1925 05 12.50   5.60   9.05 
1925 06 15.30  10.00  12.65 
1925 07 18.60  13.50  16.04 
1925 08 19.60  14.90  17.25 
1925 09 16.90  12.40  14.65 
1925 10 11.60   5.80   8.70 
1925 11  6.60   1.00   3.80 
1925 12  -.70  -5.50  -3.10 
1926 01 -4.60  -9.60  -7.10 
1926 02 -2.80  -9.30  -6.05 
1926 03 -1.50  -7.60  -4.55 
1926 04  5.00  -3.20    .90 
1926 05 12.40   5.40   8.89 
1926 06 14.80   7.90  11.35 
1926 07 18.50  13.20  15.85 
1926 08 20.29  15.60  17.95 
1926 09 17.40  12.20  14.79 
1926 10  9.30   3.10   6.20 
1926 11  3.50  -2.20    .65 
1926 12 -2.30  -7.90  -5.10 
1927 01 -4.10  -9.10  -6.60 
1927 02 -5.40 -10.30  -7.85 
1927 03 -1.00  -7.20  -4.10 
1927 04  8.39   1.40   4.89 
1927 05 11.10   3.50   7.30 
1927 06 15.60   9.00  12.30 
1927 07 20.20  15.50  17.85 
1927 08 19.70  14.70  17.20 
1927 09 15.30  10.20  12.75 
1927 10 11.00   5.10   8.05 
1927 11  5.90    .30   3.10 
1927 12   .40  -6.10  -2.85 
1928 01 -3.00  -8.80  -5.90 
1928 02 -4.60  -9.89  -7.25 
1928 03  -.20  -6.80  -3.50 
1928 04  7.40    .20   3.80 
1928 05 13.30   6.40   9.85 
1928 06 15.40   8.89  12.15 
1928 07 19.10  14.20  16.65 
1928 08 19.60  14.40  17.00 
1928 09 17.70  12.70  15.20 
1928 10 11.60   5.70   8.64 
1928 11  7.40    .20   3.80 
1928 12 -1.00  -6.80  -3.90 
1929 01 -5.40 -11.20  -8.30 
1929 02 -5.80 -11.00  -8.39 
1929 03  -.30  -7.20  -3.75 
1929 04  6.80   -.50   3.15 
1929 05 10.80   4.69   7.75 
1929 06 15.60   9.20  12.40 
1929 07 20.29  15.30  17.79 
1929 08 20.40  15.20  17.79 
1929 09 15.90  10.10  13.00 
1929 10 11.60   5.60   8.60 
1929 11  4.69   -.60   2.05 
1929 12  3.50  -2.20    .65 
1930 01 -4.19  -8.50  -6.35 
1930 02 -2.20  -7.60  -4.90 
1930 03  2.60  -3.60   -.50 
1930 04 10.00   2.09   6.05 
1930 05 12.70   5.50   9.10 
1930 06 16.00  10.20  13.10 
1930 07 20.60  16.20  18.40 
1930 08 21.10  16.10  18.60 
1930 09 16.40  10.50  13.45 
1930 10 11.60   5.90   8.75 
1930 11  3.00  -2.40    .29 
1930 12  -.50  -5.60  -3.05 
1931 01 -2.60  -8.39  -5.50 
1931 02 -3.50  -8.80  -6.15 
1931 03  1.30  -6.60  -2.65 
1931 04  5.40  -2.30   1.55 
1931 05 11.70   3.50   7.60 
1931 06 15.50   9.50  12.50 
1931 07 17.10  12.60  14.85 
1931 08 20.29  15.10  17.70 
1931 09 17.50  12.00  14.75 
1931 10 10.30   4.90   7.60 
1931 11  7.40   1.60   4.50 
1931 12   .80  -5.10  -2.14 
1932 01 -1.40  -7.00  -4.19 
1932 02 -4.30  -9.39  -6.85 
1932 03 -1.80  -7.80  -4.80 
1932 04  5.40  -2.40   1.50 
1932 05 12.70   4.69   8.70 
1932 06 14.50   9.20  11.85 
1932 07 20.20  15.40  17.79 
1932 08 19.60  15.10  17.35 
1932 09 16.29  11.40  13.85 
1932 10  9.89   4.00   6.95 
1932 11  5.40   -.80   2.30 
1932 12  -.20  -5.50  -2.85 
1933 01 -4.40  -9.39  -6.89 
1933 02 -4.90 -10.00  -7.45 
1933 03 -1.70  -8.20  -4.94 
1933 04  7.60    .60   4.10 
1933 05 14.10   7.10  10.60 
1933 06 16.79  11.00  13.90 
1933 07 20.80  15.70  18.25 
1933 08 21.00  16.10  18.54 
1933 09 16.90  11.10  14.00 
1933 10 10.60   5.20   7.90 
1933 11  6.30   -.20   3.05 
1933 12  -.50  -5.70  -3.10 
1934 01 -6.80 -10.00  -8.39 
1934 02 -5.40  -9.20  -7.30 
1934 03 -1.90  -7.20  -4.54 
1934 04  5.60  -1.10   2.25 
1934 05 13.00   6.10   9.55 
1934 06 16.00  10.20  13.10 
1934 07 20.20  15.70  17.95 
1934 08 20.40  15.50  17.95 
1934 09 16.50  11.50  14.00 
1934 10 10.60   4.19   7.40 
1934 11  3.80  -1.80   1.00 
1934 12  1.00  -4.19  -1.59 
1935 01 -3.10  -8.00  -5.55 
1935 02 -2.20  -7.70  -4.94 
1935 03  -.20  -6.60  -3.40 
1935 04  7.40    .30   3.85 
1935 05 11.70   4.80   8.25 
1935 06 15.80   9.50  12.65 
1935 07 19.70  14.50  17.10 
1935 08 20.29  15.10  17.70 
1935 09 16.40  11.60  14.00 
1935 10 11.50   5.80   8.64 
1935 11  6.50    .20   3.35 
1935 12  -.80  -5.60  -3.20 
1936 01 -7.10 -11.20  -9.14 
1936 02 -5.60 -10.30  -7.95 
1936 03 -2.30  -9.00  -5.65 
1936 04  6.40  -1.20   2.60 
1936 05 11.90   5.00   8.45 
1936 06 16.20  10.20  13.20 
1936 07 19.29  13.80  16.54 
1936 08 20.29  15.60  17.95 
1936 09 19.29  13.30  16.29 
1936 10 11.60   5.40   8.50 
1936 11  6.50   -.90   2.80 
1936 12  1.30  -4.40  -1.55 
1937 01 -2.40  -7.10  -4.75 
1937 02   .20  -5.50  -2.65 
1937 03  1.70  -5.50  -1.90 
1937 04  7.90    .80   4.35 
1937 05 12.40   5.20   8.79 
1937 06 15.30   8.80  12.05 
1937 07 20.00  15.40  17.70 
1937 08 22.40  16.50  19.45 
1937 09 17.29  11.40  14.35 
1937 10 12.80   6.40   9.60 
1937 11  5.90   1.20   3.55 
1937 12 -2.80  -7.50  -5.15 
1938 01 -4.40  -9.70  -7.05 
1938 02 -5.30 -10.40  -7.85 
1938 03  3.20  -3.00    .10 
1938 04  7.80    .30   4.05 
1938 05 13.10   6.90  10.00 
1938 06 16.00  10.60  13.30 
1938 07 20.29  15.10  17.70 
1938 08 19.60  15.20  17.40 
1938 09 16.29  11.00  13.65 
1938 10 12.90   6.90   9.89 
1938 11  4.00  -1.60   1.20 
1938 12 -1.00  -5.80  -3.40 
1939 01 -5.00  -9.89  -7.45 
1939 02 -4.40  -9.20  -6.80 
1939 03  -.20  -6.20  -3.19 
1939 04  7.50    .70   4.10 
1939 05 12.40   5.20   8.79 
1939 06 16.79  10.30  13.54 
1939 07 21.60  15.80  18.70 
1939 08 21.10  15.00  18.04 
1939 09 17.90  12.10  15.00 
1939 10 12.80   7.10   9.95 
1939 11  7.50   1.00   4.25 
1939 12 -1.10  -5.60  -3.35 
1940 01 -5.60 -10.20  -7.89 
1940 02 -4.10 -10.10  -7.10 
1940 03  -.60  -6.20  -3.40 
1940 04  6.50   -.90   2.80 
1940 05 13.80   5.30   9.55 
1940 06 16.70  10.40  13.55 
1940 07 21.10  15.70  18.40 
1940 08 19.70  14.20  16.95 
1940 09 18.00  12.00  15.00 
1940 10 13.80   7.00  10.40 
1940 11  8.50   1.90   5.20 
1940 12   .80  -4.50  -1.85 
1941 01 -1.90  -7.10  -4.50 
1941 02 -2.30  -8.39  -5.35 
1941 03  2.20  -5.00  -1.40 
1941 04  7.90  -1.00   3.45 
1941 05 13.80   6.70  10.25 
1941 06 15.90  11.00  13.45 
1941 07 19.00  14.60  16.79 
1941 08 20.50  15.70  18.10 
1941 09 16.20  10.90  13.55 
1941 10 11.90   5.10   8.50 
1941 11  8.70   2.60   5.64 
1941 12  1.80  -4.00  -1.10 
1942 01 -5.20  -9.30  -7.25 
1942 02 -4.19  -9.50  -6.85 
1942 03  -.50  -2.90  -1.70 
1942 04  6.50   -.80   2.85 
1942 05 13.20   4.69   8.95 
1942 06 16.79  10.80  13.79 
1942 07 19.20  16.70  17.95 
1942 08 21.40  16.00  18.70 
1942 09 18.29  13.30  15.79 
1942 10 12.10   4.90   8.50 
1942 11  5.60  -2.00   1.80 
1942 12   .20  -6.20  -3.00 
1943 01 -4.80 -10.20  -7.50 
1943 02 -4.60 -10.00  -7.30 
1943 03  5.00  -6.40   -.70 
1943 04  8.89  -1.20   3.85 
1943 05 12.70   6.00   9.35 
1943 06 16.90  10.90  13.90 
1943 07 23.00  14.80  18.90 
1943 08 22.20  15.70  18.95 
1943 09 18.60  13.10  15.85 
1943 10 11.50   5.80   8.64 
1943 11  3.90   -.50   1.70 
1943 12 -1.80  -5.20  -3.50 
1944 01 -4.00  -9.20  -6.60 
1944 02 -4.69 -10.00  -7.35 
1944 03 -1.50  -6.80  -4.15 
1944 04  4.69  -2.20   1.24 
1944 05 14.00   6.80  10.40 
1944 06 17.60  11.10  14.35 
1944 07 19.70  14.60  17.15 
1944 08 21.80  16.00  18.90 
1944 09 18.20  11.70  14.95 
1944 10 12.00   5.80   8.89 
1944 11  6.60    .50   3.55 
1944 12 -3.30  -7.50  -5.40 
1945 01 -6.30 -10.70  -8.50 
1945 02 -5.50 -10.30  -7.90 
1945 03  1.00  -6.10  -2.55 
1945 04  9.60   1.30   5.45 
1945 05 10.60   3.30   6.95 
1945 06 16.50  10.30  13.40 
1945 07 17.50  11.90  14.70 
1945 08 21.70  16.20  18.95 
1945 09 17.70  12.20  14.95 
1945 10 12.80   6.80   9.80 
1945 11  7.00    .20   3.60 
1945 12 -2.70  -7.30  -5.00 
1946 01 -2.20  -7.80  -5.00 
1946 02 -2.70  -9.80  -6.25 
1946 03  -.20  -7.10  -3.65 
1946 04  9.30   1.70   5.50 
1946 05 12.10   5.40   8.75 
1946 06 17.50  11.60  14.55 
1946 07 21.70  16.00  18.85 
1946 08 20.60  15.10  17.85 
1946 09 17.90  11.30  14.60 
1946 10 13.30   5.90   9.60 
1946 11  8.89   2.40   5.64 
1946 12 -2.40  -7.10  -4.75 
1947 01 -2.40  -8.30  -5.35 
1947 02 -5.10 -10.30  -7.70 
1947 03 -1.20  -7.80  -4.50 
1947 04  6.90  -1.00   2.95 
1947 05 11.50   4.00   7.75 
1947 06 14.80   8.60  11.70 
1947 07 20.50  15.20  17.85 
1947 08 23.50  16.79  20.15 
1947 09 18.40  12.20  15.29 
1947 10 10.90   4.00   7.45 
1947 11  5.60  -2.09   1.75 
1947 12 -2.30  -7.90  -5.10 
1948 01 -2.50  -7.90  -5.20 
1948 02 -2.09  -8.39  -5.25 
1948 03  1.20  -5.60  -2.19 
1948 04  8.89   1.80   5.35 
1948 05 13.70   6.30  10.00 
1948 06 16.79  10.30  13.54 
1948 07 20.29  15.30  17.79 
1948 08 21.50  15.20  18.35 
1948 09 17.29  11.90  14.60 
1948 10 13.70   7.10  10.40 
1948 11  7.40    .30   3.85 
1948 12  4.19  -2.09   1.04 
1949 01 -2.20  -7.10  -4.65 
1949 02 -1.20  -6.40  -3.80 
1949 03  -.90  -7.80  -4.35 
1949 04  5.10  -2.70   1.19 
1949 05 13.40   5.40   9.39 
1949 06 15.50   9.70  12.60 
1949 07 19.70  14.40  17.04 
1949 08 21.50  15.50  18.50 
1949 09 18.00  12.40  15.20 
1949 10 11.60   5.20   8.39 
1949 11  6.80   -.70   3.05 
1949 12   .30  -5.10  -2.39 
1950 01  -.60  -6.70  -3.65 
1950 02 -2.00  -8.39  -5.20 
1950 03  1.00  -5.30  -2.15 
1950 04 10.20   2.60   6.39 
1950 05 14.10   7.10  10.60 
1950 06 16.29  10.60  13.45 
1950 07 20.00  14.80  17.40 
1950 08 21.50  15.60  18.54 
1950 09 17.00  11.90  14.45 
1950 10 11.20   5.40   8.30 
1950 11  6.80    .90   3.85 
1950 12 -1.50  -6.20  -3.85 
1951 01 -3.13  -8.13  -5.63 
1951 02 -1.88  -7.22  -4.54 
1951 03  1.31  -5.85  -2.27 
1951 04  7.45   -.58   3.42 
1951 05 13.66   6.06   9.85 
1951 06 15.35   8.68  12.01 
1951 07 20.40  14.40  17.40 
1951 08 22.26  15.89  19.07 
1951 09 15.51   9.32  12.41 
1951 10 13.44   6.97  10.20 
1951 11  5.51   -.18   2.66 
1951 12   .90  -3.58  -1.33 
1952 01 -2.40  -7.76  -5.08 
1952 02 -3.59  -8.76  -6.17 
1952 03   .40  -5.47  -2.53 
1952 04  7.98    .45   4.21 
1952 05 13.96   6.18  10.07 
1952 06 16.25  10.32  13.28 
1952 07 19.75  14.33  17.04 
1952 08 22.33  16.15  19.24 
1952 09 18.11  12.29  15.20 
1952 10 12.19   5.64   8.91 
1952 11  9.89   2.49   6.19 
1952 12  -.39  -4.85  -2.62 
1953 01 -3.49  -8.39  -5.94 
1953 02 -2.87  -8.21  -5.54 
1953 03  2.32  -4.39  -1.03 
1953 04  6.29  -1.03   2.63 
1953 05 12.16   6.01   9.08 
1953 06 16.42  11.59  14.00 
1953 07 19.18  14.72  16.95 
1953 08 20.35  15.98  18.16 
1953 09 18.11  12.89  15.50 
1953 10 13.63   7.23  10.43 
1953 11  5.22   -.86   2.17 
1953 12  2.85  -2.72    . 6 
1954 01  -.75  -5.83  -3.29 
1954 02  -.58  -6.17  -3.37 
1954 03  2.62  -5.49  -1.43 
1954 04 10.39   2.16   6.27 
1954 05 12.72   5.79   9.25 
1954 06 13.29   8.76  11.02 
1954 07 17.93  13.38  15.65 
1954 08 21.93  16.48  19.20 
1954 09 18.12  13.49  15.80 
1954 10 10.99   5.37   8.18 
1954 11  8.22   2.27   5.24 
1954 12   .30  -4.66  -2.17 
1955 01 -4.04  -8.87  -6.45 
1955 02  -.66  -7.00  -3.83 
1955 03  4.06  -3.27    .39 
1955 04  9.99   2.00   5.99 
1955 05 13.06   6.17   9.61 
1955 06 17.54  12.31  14.93 
1955 07 21.50  16.06  18.77 
1955 08 21.46  15.77  18.61 
1955 09 17.64  12.43  15.03 
1955 10 12.80   6.66   9.72 
1955 11  5.18   -.31   2.43 
1955 12  2.35  -3.67   -.65 
1956 01 -3.20  -8.10  -5.65 
1956 02 -3.52  -9.31  -6.41 
1956 03  2.67  -4.10   -.71 
1956 04  8.63    .43   4.53 
1956 05 12.60   6.23   9.41 
1956 06 16.29  10.57  13.43 
1956 07 19.77  14.87  17.32 
1956 08 20.02  14.65  17.33 
1956 09 17.31  12.87  15.09 
1956 10 12.80   6.86   9.83 
1956 11  5.93    .-9   2.91 
1956 12 -3.18  -6.83  -5.00 
1957 01 -1.27  -7.34  -4.30 
1957 02 -3.66  -8.18  -5.92 
1957 03 -2.03  -8.10  -5.06 
1957 04  9.35   1.90   5.62 
1957 05 11.61   5.19   8.39 
1957 06 15.19   9.79  12.49 
1957 07 18.60  14.75  16.67 
1957 08 20.92  16.15  18.53 
1957 09 15.38  10.44  12.91 
1957 10 12.61   5.84   9.22 
1957 11  8.80   2.11   5.46 
1957 12  1.30  -3.66  -1.18 
1958 01 -2.32  -7.95  -5.13 
1958 02 -1.55  -7.19  -4.37 
1958 03  2.02  -4.64  -1.31 
1958 04  8.81   1.76   5.28 
1958 05 12.72   5.75   9.23 
1958 06 17.81  11.63  14.71 
1958 07 19.95  15.37  17.66 
1958 08 20.60  15.57  18.08 
1958 09 17.68  12.81  15.24 
1958 10 11.39   5.56   8.47 
1958 11  6.82   1.25   4.03 
1958 12  2.21  -2.91   -.35 
1959 01 -2.32  -8.43  -5.37 
1959 02  3.42  -4.37   -.47 
1959 03  3.45  -3.14    .15 
1959 04  8.92   1.38   5.15 
1959 05 13.52   7.09  10.30 
1959 06 15.89  10.01  12.95 
1959 07 21.18  15.91  18.54 
1959 08 22.02  16.57  19.29 
1959 09 18.58  13.13  15.85 
1959 10 12.71   7.21   9.96 
1959 11  8.80   2.52   5.66 
1959 12  1.50  -4.12  -1.31 
1960 01 -2.82  -7.60  -5.21 
1960 02  -.99  -6.01  -3.50 
1960 03  3.37  -3.47    .-5 
1960 04  7.82    .38   4.10 
1960 05 13.16   6.92  10.04 
1960 06 15.67  10.48  13.07 
1960 07 20.71  15.82  18.26 
1960 08 21.26  16.53  18.89 
1960 09 18.28  13.13  15.70 
1960 10 12.41   6.92   9.66 
1960 11  7.66   1.88   4.77 
1960 12  -.48  -4.75  -2.61 
1961 01 -4.32  -9.10  -6.71 
1961 02 -4.00  -9.29  -6.64 
1961 03  2.06  -3.80   -.87 
1961 04  9.81   1.66   5.73 
1961 05 14.40   7.57  10.98 
1961 06 15.71  10.64  13.17 
1961 07 20.76  16.57  18.66 
1961 08 21.64  16.95  19.29 
1961 09 19.59  14.19  16.89 
1961 10 14.06   9.10  11.58 
1961 11  7.84   2.03   4.93 
1961 12   .71  -4.11  -1.70 
1962 01 -4.33  -7.75  -6.04 
1962 02 -2.78  -7.69  -5.23 
1962 03   .49  -5.53  -2.52 
1962 04  7.73    .35   4.04 
1962 05 13.40   6.81  10.10 
1962 06 15.44  10.35  12.89 
1962 07 20.06  15.54  17.79 
1962 08 20.80  16.45  18.62 
1962 09 17.70  12.75  15.22 
1962 10 12.12   5.95   9.03 
1962 11  6.71    .92   3.81 
1962 12  1.03  -4.38  -1.67 
1963 01 -6.59 -11.13  -8.86 
1963 02 -5.43  -9.43  -7.43 
1963 03   .82  -5.30  -2.24 
1963 04  9.04   2.20   5.62 
1963 05 13.45   8.54  10.99 
1963 06 17.32  12.88  15.10 
1963 07 20.34  15.69  18.01 
1963 08 19.79  15.77  17.78 
1963 09 14.86  10.22  12.54 
1963 10 11.84   5.55   8.69 
1963 11  6.04    .26   3.15 
1963 12  1.65  -4.34  -1.34 
1964 01  -.70  -6.44  -3.57 
1964 02 -4.41  -8.79  -6.60 
1964 03  -.67  -5.89  -3.28 
1964 04 12.08   6.77   9.42 
1964 05 14.21   6.91  10.56 
1964 06 15.43   9.84  12.63 
1964 07 20.63  16.29  18.45 
1964 08 21.74  16.87  19.31 
1964 09 17.40  12.66  15.03 
1964 10 11.56   5.51   8.53 
1964 11  5.22   -.57   2.32 
1964 12  -.23  -4.08  -2.15 
1965 01 -3.55  -8.41  -5.98 
1965 02 -3.86  -8.80  -6.33 
1965 03 -2.82  -7.73  -5.27 
1965 04  4.11  -1.92   1.09 
1965 05 12.73   6.45   9.59 
1965 06 16.54  11.10  13.82 
1965 07 19.01  15.35  17.18 
1965 08 21.79  15.23  18.51 
1965 09 16.39  10.66  13.52 
1965 10 12.20   5.52   8.85 
1965 11  7.18    .19   3.68 
1965 12  -.72  -5.40  -3.06 
1966 01 -3.77  -8.13  -5.95 
1966 02  -.64  -6.59  -3.61 
1966 03  2.48  -4.17   -.84 
1966 04  7.78    .98   4.38 
1966 05 12.16   5.20   8.68 
1966 06 14.77   9.63  12.20 
1966 07 19.29  14.12  16.70 
1966 08 21.13  16.12  18.62 
1966 09 16.92  11.78  14.35 
1966 10 11.27   5.85   8.56 
1966 11  5.92   -.19   2.86 
1966 12 -2.18  -6.19  -4.18 
1967 01 -4.01  -8.62  -6.31 
1967 02 -3.02  -7.68  -5.35 
1967 03  1.94  -4.91  -1.48 
1967 04  8.09   1.82   4.95 
1967 05 15.49   7.29  11.39 
1967 06 17.57  10.17  13.87 
1967 07 20.01  15.36  17.68 
1967 08 20.90  16.31  18.60 
1967 09 17.44  12.31  14.87 
1967 10 11.28   5.56   8.42 
1967 11  7.64    .54   4.09 
1967 12 -3.02  -7.52  -5.27 
1968 01 -4.13  -8.80  -6.46 
1968 02 -5.79 -10.18  -7.98 
1968 03  1.25  -4.94  -1.84 
1968 04  8.72   2.00   5.36 
1968 05 11.63   5.65   8.64 
1968 06 16.11  10.31  13.21 
1968 07 19.31  14.36  16.83 
1968 08 20.32  15.45  17.88 
1968 09 15.77  11.04  13.40 
1968 10 10.61   5.27   7.93 
1968 11  7.03    .78   3.90 
1968 12  2.66  -2.03    .31 
1969 01 -1.26  -6.47  -3.86 
1969 02  -.31  -6.54  -3.42 
1969 03  1.20  -6.02  -2.40 
1969 04  8.70   1.10   4.90 
1969 05 13.83   5.67   9.75 
1969 06 15.21   9.00  12.10 
1969 07 19.39  14.27  16.83 
1969 08 19.99  15.60  17.79 
1969 09 17.86  12.27  15.06 
1969 10 11.59   5.10   8.34 
1969 11  5.67   -.85   2.41 
1969 12 -1.43  -6.62  -4.02 
1970 01 -3.65  -8.39  -6.02 
1970 02 -2.00  -7.54  -4.77 
1970 03 -3.25  -8.78  -6.01 
1970 04  7.60    .97   4.28 
1970 05 13.33   7.04  10.18 
1970 06 15.34  10.29  12.81 
1970 07 19.69  15.28  17.48 
1970 08 20.80  15.88  18.34 
1970 09 17.62  13.36  15.49 
1970 10 11.98   6.08   9.03 
1970 11  5.83   -.76   2.53 
1970 12 -1.24  -5.76  -3.50 
1971 01 -3.46  -8.10  -5.78 
1971 02 -2.56  -7.76  -5.16 
1971 03  -.71  -6.16  -3.43 
1971 04  7.91    .83   4.37 
1971 05 12.79   5.97   9.38 
1971 06 15.83  10.63  13.23 
1971 07 19.43  15.48  17.45 
1971 08 19.54  15.17  17.36 
1971 09 16.23  12.20  14.21 
1971 10  9.87   4.48   7.18 
1971 11  6.13    .52   3.33 
1971 12   .39  -5.08  -2.34 
1972 01   .87  -4.89  -2.01 
1972 02  -.81  -6.53  -3.67 
1972 03  1.61  -4.26  -1.32 
1972 04  7.88   1.48   4.68 
1972 05 12.29   4.96   8.63 
1972 06 15.63   9.93  12.78 
1972 07 19.17  15.12  17.14 
1972 08 20.55  15.08  17.81 
1972 09 16.08  10.90  13.49 
1972 10 12.05   5.52   8.78 
1972 11  5.50   -.47   2.51 
1972 12   .70  -3.98  -1.64 
1973 01 -1.01  -6.18  -3.59 
1973 02  -.73  -6.54  -3.63 
1973 03  -.61  -6.35  -3.48 
1973 04 11.10   3.04   7.07 
1973 05 12.05   5.03   8.54 
1973 06 14.72   9.96  12.34 
1973 07 21.34  15.69  18.51 
1973 08 21.60  17.17  19.38 
1973 09 15.86  11.19  13.52 
1973 10 11.52   5.80   8.66 
1973 11  4.08  -1.17   1.45 
1973 12 -3.18  -7.50  -5.34 
1974 01 -5.27  -9.05  -7.16 
1974 02 -3.11  -8.30  -5.70 
1974 03  -.51  -6.04  -3.27 
1974 04  8.39   1.22   4.81 
1974 05 13.19   5.88   9.53 
1974 06 16.10  10.77  13.43 
1974 07 18.51  14.73  16.61 
1974 08 21.27  16.36  18.81 
1974 09 16.42  11.24  13.83 
1974 10 11.84   6.02   8.93 
1974 11  4.98  -1.16   1.90 
1974 12  -.35  -4.66  -2.50 
1975 01 -3.85  -8.17  -6.01 
1975 02 -3.77  -8.70  -6.23 
1975 03  -.55  -5.93  -3.24 
1975 04  8.02   2.43   5.22 
1975 05 12.53   5.85   9.18 
1975 06 16.37  11.17  13.77 
1975 07 20.33  15.35  17.84 
1975 08 20.61  15.21  17.91 
1975 09 19.06  13.52  16.29 
1975 10 12.13   6.60   9.36 
1975 11  7.11    .98   4.04 
1975 12  -.61  -4.94  -2.78 
1976 01 -4.15  -8.47  -6.31 
1976 02   . 1  -5.81  -2.90 
1976 03  1.98  -4.98  -1.50 
1976 04  8.50   1.23   4.86 
1976 05 12.59   6.15   9.37 
1976 06 15.76  10.62  13.19 
1976 07 18.48  13.95  16.21 
1976 08 19.35  14.65  17.00 
1976 09 15.03  10.33  12.68 
1976 10 11.18   4.92   8.05 
1976 11  4.94  -1.05   1.94 
1976 12  -.67  -5.46  -3.06 
1977 01 -5.65  -9.53  -7.59 
1977 02 -4.79  -9.63  -7.21 
1977 03  1.96  -4.11  -1.07 
1977 04  9.58   1.62   5.60 
1977 05 12.38   5.77   9.07 
1977 06 15.74  11.10  13.42 
1977 07 20.54  15.58  18.06 
1977 08 20.42  15.04  17.73 
1977 09 18.34  13.00  15.67 
1977 10 15.02   8.10  11.56 
1977 11  8.22   2.52   5.37 
1977 12  1.64  -3.14   -.75 
1978 01 -3.16  -7.42  -5.29 
1978 02 -4.42  -9.62  -7.02 
1978 03  -.28  -5.47  -2.87 
1978 04  6.83    . 3   3.43 
1978 05 13.44   6.58  10.01 
1978 06 16.87  11.87  14.37 
1978 07 21.86  16.09  18.97 
1978 08 22.10  16.19  19.14 
1978 09 17.77  12.57  15.17 
1978 10 12.85   6.12   9.48 
1978 11  7.10    .58   3.84 
1978 12  2.26  -3.51   -.62 
1979 01  -.91  -5.83  -3.37 
1979 02   .41  -5.08  -2.33 
1979 03  1.59  -4.91  -1.65 
1979 04  7.39   -.11   3.64 
1979 05 12.26   5.15   8.70 
1979 06 17.76  12.45  15.10 
1979 07 19.07  13.89  16.48 
1979 08 21.52  15.89  18.70 
1979 09 17.40  13.01  15.20 
1979 10 13.91   7.31  10.61 
1979 11  7.74   1.78   4.75 
1979 12  1.64  -3.19   -.77 
1980 01 -2.68  -7.34  -5.01 
1980 02 -5.08  -9.53  -7.30 
1980 03   .91  -5.28  -2.18 
1980 04  7.16  -1.02   3.07 
1980 05 13.63   5.65   9.64 
1980 06 17.00  11.98  14.49 
1980 07 18.71  13.72  16.21 
1980 08 19.04  14.65  16.84 
1980 09 16.54  11.26  13.90 
1980 10 11.22   5.85   8.53 
1980 11  7.78   1.59   4.68 
1980 12 -2.59  -6.48  -4.53 
1981 01 -6.01  -9.66  -7.83 
1981 02 -3.33  -8.29  -5.81 
1981 03  1.30  -4.32  -1.51 
1981 04  7.57    .70   4.13 
1981 05 12.20   5.38   8.79 
1981 06 16.16  11.27  13.71 
1981 07 20.75  15.84  18.29 
1981 08 20.23  14.77  17.50 
1981 09 15.96  10.28  13.12 
1981 10 10.69   4.65   7.67 
1981 11  3.10  -1.66    .72 
1981 12 -1.25  -5.19  -3.22 
1982 01 -3.59  -8.39  -5.99 
1982 02 -3.85  -8.49  -6.17 
1982 03  2.15  -4.44  -1.14 
1982 04  7.30    .43   3.86 
1982 05 15.01   8.10  11.56 
1982 06 16.15   9.60  12.87 
1982 07 18.16  12.79  15.47 
1982 08 20.23  15.71  17.96 
1982 09 16.04  10.63  13.34 
1982 10 12.24   6.20   9.21 
1982 11  7.78   2.23   5.00 
1982 12   .15  -4.17  -2.01 
1983 01 -2.84  -7.25  -5.04 
1983 02 -4.32  -8.72  -6.52 
1983 03  1.36  -4.40  -1.52 
1983 04 11.34   3.97   7.65 
1983 05 14.61   6.50  10.55 
1983 06 15.93   9.55  12.74 
1983 07 19.11  14.30  16.70 
1983 08 22.12  17.02  19.57 
1983 09 17.71  13.11  15.41 
1983 10 11.72   4.69   8.20 
1983 11  4.40   -.79   1.80 
1983 12 -2.78  -6.61  -4.69 
1984 01 -5.92  -9.54  -7.73 
1984 02 -6.22 -10.22  -8.22 
1984 03 -3.71  -7.98  -5.84 
1984 04  6.47    .11   3.29 
1984 05 12.96   5.87   9.41 
1984 06 16.93  12.07  14.50 
1984 07 20.07  15.50  17.78 
1984 08 22.10  16.79  19.45 
1984 09 16.81  11.27  14.04 
1984 10 10.74   4.87   7.80 
1984 11  7.34    .69   4.01 
1984 12   . 8  -4.90  -2.41 
1985 01 -5.56  -9.53  -7.54 
1985 02 -2.28  -6.98  -4.63 
1985 03  2.30  -3.67   -.68 
1985 04  9.20   2.09   5.64 
1985 05 14.69   7.62  11.15 
1985 06 16.34  10.76  13.55 
1985 07 20.77  15.31  18.04 
1985 08 21.71  16.42  19.06 
1985 09 17.79  13.05  15.42 
1985 10 11.54   5.90   8.72 
1985 11  4.63   -.12   2.25 
1985 12 -1.61  -6.19  -3.90 
1986 01 -5.60  -9.55  -7.57 
1986 02 -6.08 -10.35  -8.21 
1986 03   .-1  -5.39  -2.70 
1986 04  7.69   1.09   4.39 
1986 05 12.37   5.27   8.82 
1986 06 16.65  10.93  13.79 
1986 07 19.83  14.47  17.15 
1986 08 21.23  15.35  18.29 
1986 09 17.92  12.17  15.04 
1986 10 10.36   4.05   7.20 
1986 11  5.57   -.41   2.58 
1986 12  1.97  -3.97  -1.00 
1987 01 -2.22  -7.99  -5.10 
1987 02 -2.08  -7.04  -4.56 
1987 03  1.16  -5.00  -1.91 
1987 04  9.53    .64   5.08 
1987 05 13.53   6.43   9.97 
1987 06 17.31  10.89  14.10 
1987 07 20.06  15.58  17.82 
1987 08 21.36  15.91  18.63 
1987 09 17.45  11.83  14.64 
1987 10 13.62   7.43  10.52 
1987 11  7.27   1.07   4.17 
1987 12  1.12  -3.83  -1.35 
1988 01 -1.25  -5.97  -3.61 
1988 02 -4.48  -9.50  -6.99 
1988 03   .32  -5.49  -2.58 
1988 04  7.74    .48   4.10 
1988 05 12.67   5.26   8.96 
1988 06 16.20  11.09  13.65 
1988 07 18.44  14.38  16.41 
1988 08 20.68  16.07  18.37 
1988 09 17.77  13.06  15.41 
1988 10 10.68   5.14   7.91 
1988 11  3.02  -2.26    .38 
1988 12 -1.16  -5.87  -3.52 
1989 01   .79  -5.32  -2.26 
1989 02   .48  -5.64  -2.58 
1989 03  1.23  -5.03  -1.90 
1989 04 10.00   2.04   6.02 
1989 05 12.85   6.28   9.56 
1989 06 15.46  10.40  12.93 
1989 07 19.20  14.33  16.77 
1989 08 20.51  15.44  17.97 
1989 09 18.32  13.35  15.83 
1989 10 12.52   5.43   8.97 
1989 11  7.06   1.38   4.21 
1989 12  -.10  -4.38  -2.24 
