1913 12 23.50  11.84  17.67 
1914 01 22.20  10.51  16.35 
1914 02 23.55  12.46  18.00 
1914 03 22.93  10.12  16.52 
1914 04 27.69  15.89  21.79 
1914 05 29.48  18.54  24.01 
1914 06 33.25  20.43  26.84 
1914 07 32.90  21.69  27.29 
1914 08 32.79  21.91  27.35 
1914 09 30.30  21.29  25.79 
1914 10 28.50  19.36  23.93 
1914 11 25.05  14.93  19.99 
1914 12 23.42  13.54  18.48 
1915 01 21.29  12.50  16.89 
1915 02 22.28  11.89  17.08 
1915 03 21.58   9.14  15.36 
1915 04 25.39  13.49  19.43 
1915 05 31.69  20.04  25.87 
1915 06 31.29  21.39  26.34 
1915 07 32.86  22.92  27.89 
1915 08 33.34  23.34  28.34 
1915 09 31.67  22.59  27.13 
1915 10 29.66  21.58  25.62 
1915 11 26.40  15.70  21.05 
1915 12 22.51   9.21  15.86 
1916 01 25.54  14.95  20.24 
1916 02 23.24  10.84  17.04 
1916 03 26.04   9.70  17.87 
1916 04 27.53  13.06  20.29 
1916 05 30.37  18.98  24.67 
1916 06 31.96  21.01  26.48 
1916 07 32.02  22.17  27.09 
1916 08 32.15  22.19  27.17 
1916 09 30.51  21.72  26.11 
1916 10 28.57  20.42  24.49 
1916 11 25.30  15.66  20.48 
1916 12 24.45  12.35  18.40 
1917 01 25.60  12.71  19.15 
1917 02 24.26   9.84  17.04 
1917 03 27.72  13.45  20.58 
1917 04 27.95  13.41  20.68 
1917 05 30.43  15.84  23.13 
1917 06 30.62  19.66  25.14 
1917 07 31.95  21.53  26.74 
1917 08 31.91  21.73  26.82 
1917 09 29.90  21.05  25.47 
1917 10 27.80  18.16  22.98 
1917 11 23.15  11.14  17.14 
1917 12 21.52   7.79  14.65 
1918 01 20.55   6.64  13.59 
1918 02 25.64  13.17  19.40 
1918 03 27.45  14.25  20.85 
1918 04 26.69  14.25  20.47 
1918 05 27.83  16.25  22.04 
1918 06 30.61  18.62  24.61 
1918 07 30.74  20.16  25.45 
1918 08 31.59  20.02  25.80 
1918 09 29.98  19.28  24.63 
1918 10 28.47  19.62  24.04 
1918 11 25.18  13.44  19.31 
1918 12 22.20 -99.99 -99.99 
1919 01 22.10  11.05  16.57 
1919 02 22.78  12.36  17.57 
1919 03 26.26  15.22  20.74 
1919 04 27.43  13.68  20.55 
1919 05 30.95  18.06  24.50 
1919 06 30.78  20.68  25.73 
1919 07 32.25  21.94  27.09 
1919 08 33.07  22.60  27.83 
1919 09 31.26  22.63  26.94 
1919 10 30.80  21.07  25.93 
1919 11 25.87  16.82  21.34 
1919 12 23.74  12.44  18.09 
1920 01 24.16  11.07  17.61 
1920 02 21.90  10.09  15.99 
1920 03 24.18  12.40  18.29 
1920 04 28.69  16.48  22.58 
1920 05 28.18  17.79  22.99 
1920 06 30.28  20.81  25.54 
1920 07 31.40  22.03  26.71 
1920 08 32.00  22.05  27.03 
1920 09 31.31  21.82  26.56 
1920 10 27.02  18.12  22.57 
1920 11 25.28  14.80  20.04 
1920 12 23.30  10.82  17.06 
1921 01 24.36  10.84  17.60 
1921 02 24.84  10.89  17.86 
1921 03 28.49  15.12  21.80 
1921 04 28.60  15.33  21.96 
1921 05 29.65  16.23  22.93 
1921 06 32.08  19.81  25.94 
1921 07 32.30  21.94  27.12 
1921 08 32.95  21.31  27.13 
1921 09 32.87  20.36  26.61 
1921 10 29.05  18.86  23.95 
1921 11 26.82  15.04  20.93 
1921 12 24.75  12.91  18.83 
1922 01 23.01  10.88  16.94 
1922 02 26.16  12.66  19.41 
1922 03 27.59  13.64  20.61 
1922 04 30.14  16.06  23.09 
1922 05 31.13  18.03  24.58 
1922 06 32.63  19.96  26.30 
1922 07 32.25  21.17  26.71 
1922 08 32.03  21.60  26.81 
1922 09 30.77  21.56  26.16 
1922 10 29.18  21.11  25.14 
1922 11 25.95  16.43  21.19 
1922 12 25.61  12.91  19.26 
1923 01 24.39  10.77  17.58 
1923 02 25.04  11.15  18.09 
1923 03 28.75  14.50  21.62 
1923 04 28.98  16.95  22.96 
1923 05 29.49  18.06  23.77 
1923 06 30.80  21.82  26.31 
1923 07 32.06  22.40  27.23 
1923 08 33.08  22.01  27.54 
1923 09 31.50  21.25  26.37 
1923 10 28.09  18.87  23.48 
1923 11 24.05  11.79  17.92 
1923 12 25.16  12.75  18.95 
1924 01 23.45  13.22  18.33 
1924 02 21.24   8.79  15.01 
1924 03 23.49  10.94  17.21 
1924 04 28.00  16.18  22.09 
1924 05 31.17  18.00  24.58 
1924 06 33.93  20.88  27.40 
1924 07 32.82  22.24  27.53 
1924 08 33.63  22.90  28.26 
1924 09 31.80  21.63  26.71 
1924 10 27.10  19.62  23.36 
1924 11 25.11  14.58  19.84 
1924 12 25.17  13.44  19.30 
1925 01 24.71  15.00  19.85 
1925 02 24.71  11.65  18.18 
1925 03 25.93  12.13  19.03 
1925 04 27.72  14.06  20.89 
1925 05 29.11  17.49  23.30 
1925 06 31.26  21.57  26.41 
1925 07 32.21  21.97  27.09 
1925 08 32.38  22.88  27.63 
1925 09 32.96  21.92  27.43 
1925 10 31.28  18.87  25.08 
1925 11 25.07  15.41  20.24 
1925 12 22.28  11.65  16.96 
1926 01 22.48  10.16  16.32 
1926 02 23.75  10.18  16.96 
1926 03 24.30  10.57  17.43 
1926 04 27.60  15.45  21.52 
1926 05 30.41  17.15  23.78 
1926 06 32.25  20.16  26.21 
1926 07 32.20  21.92  27.06 
1926 08 32.15  22.17  27.16 
1926 09 31.48  21.95  26.71 
1926 10 29.50  17.87  23.68 
1926 11 26.06  12.77  19.41 
1926 12 26.16  12.10  19.13 
1927 01 23.49   8.83  16.16 
1927 02 27.71  13.07  20.39 
1927 03 26.70  11.71  19.20 
1927 04 29.65  14.62  22.13 
1927 05 32.82  16.70  24.76 
1927 06 34.66  20.20  27.43 
1927 07 33.50  20.61  27.05 
1927 08 33.81  20.90  27.35 
1927 09 31.65  21.12  26.38 
1927 10 29.36  18.25  23.80 
1927 11 26.58  14.72  20.65 
1927 12 22.75  11.01  16.88 
1928 01 21.88   7.97  14.92 
1928 02 25.62  11.84  18.73 
1928 03 28.32  12.72  20.52 
1928 04 27.96  13.46  20.71 
1928 05 30.11  15.24  22.67 
1928 06 32.40  19.20  25.80 
1928 07 32.37  21.01  26.68 
1928 08 32.11  21.58  26.84 
1928 09 30.82  21.76  26.29 
1928 10 29.94  19.01  24.47 
1928 11 25.93  13.37  19.65 
1928 12 23.14   9.66  16.40 
1929 01 25.34  11.26  18.29 
1929 02 27.05  12.28  19.66 
1929 03 29.11  14.39  21.75 
1929 04 30.98  14.97  22.97 
1929 05 31.31  17.95  24.63 
1929 06 31.67  20.17  25.92 
1929 07 32.25  20.80  26.52 
1929 08 33.97  21.21  27.59 
1929 09 31.51  21.94  26.72 
1929 10 28.13  17.29  22.71 
1929 11 27.55  16.09  21.82 
1929 12 23.67  10.35  17.01 
1930 01 25.34  13.41  19.37 
1930 02 25.89  11.49  18.68 
1930 03 24.36  11.83  18.09 
1930 04 27.72  15.30  21.51 
1930 05 29.97  18.49  24.23 
1930 06 30.21  20.77  25.49 
1930 07 33.56  22.01  27.78 
1930 08 33.08  20.71  26.89 
1930 09 32.22  22.11  27.16 
1930 10 28.28  17.45  22.86 
1930 11 25.33  13.60  19.46 
1930 12 21.58   8.97  15.28 
1931 01 21.70   8.75  15.22 
1931 02 22.81   9.46  16.13 
1931 03 23.35   8.60  15.98 
1931 04 26.57  13.95  20.26 
1931 05 30.53  16.45  23.49 
1931 06 34.30  17.87  26.09 
1931 07 34.82  21.34  28.08 
1931 08 34.84  20.93  27.88 
1931 09 33.12  20.82  26.97 
1931 10 30.65  18.79  24.72 
1931 11 27.94  13.70  20.82 
1931 12 28.08  15.47  21.77 
1932 01 26.65  13.12  19.88 
1932 02 28.23  12.04  20.13 
1932 03 25.91   9.34  17.62 
1932 04 30.05  12.08  21.06 
1932 05 31.29  16.54  23.92 
1932 06 32.68  21.16  26.92 
1932 07 35.71  21.23  28.47 
1932 08 33.49  21.06  27.27 
1932 09 31.62  20.39  26.00 
1932 10 30.29  17.69  23.99 
1932 11 25.13  11.89  18.51 
1932 12 26.44  12.82  19.63 
1933 01 24.74  11.09  17.91 
1933 02 26.91  13.02  19.96 
1933 03 26.17   9.82  17.99 
1933 04 28.19  14.26  21.22 
1933 07 32.52  21.65  27.08 
1933 08 32.98  22.50  27.74 
1933 09 32.74  22.31  27.52 
1933 10 28.95  20.04  24.50 
1933 11 25.65  12.29  18.96 
1933 12 26.55  11.05  18.79 
1934 01 25.23  10.75  17.99 
1934 02 23.96  10.02  16.99 
1934 03 25.95  12.69  19.32 
1934 05 30.09  19.16  24.62 
1934 06 30.95  21.61  26.28 
1934 07 32.59  22.19  27.39 
1934 08 32.75  21.99  27.37 
1934 09 32.00  21.49  26.75 
1934 10 30.83  18.57  24.70 
1934 11 27.16  13.10  20.13 
1934 12 25.01   9.52  17.26 
1935 01 24.73   9.52  17.12 
1935 02 25.20  10.31  17.75 
1935 03 29.86  12.89  21.37 
1935 04 30.01  14.60  22.30 
1935 05 31.43  18.56  24.99 
1935 06 32.48  20.02  26.25 
1935 07 32.39  21.99  27.18 
1935 08 33.96  21.55  27.75 
1935 09 31.60  21.75  26.67 
1935 10 29.93  19.86  24.89 
1935 11 26.82  13.94  20.37 
1935 12 20.91   5.54  13.22 
1936 01 25.35  10.52  17.93 
1936 02 25.29  10.39  17.84 
1936 03 27.17  12.40  19.78 
1936 04 29.65  14.65  22.15 
1936 05 30.51  17.51  24.01 
1936 06 31.83  20.34  26.08 
1936 07 33.77  22.05  27.91 
1936 08 32.78  21.63  27.20 
1936 09 32.83  20.96  26.89 
1936 10 31.39  20.12  25.75 
1936 11 27.09  14.50  20.79 
1937 01 28.40  15.22  21.81 
1937 02 25.14  10.22  17.68 
1937 03 27.05  10.42  18.73 
1937 05 29.94  17.91  23.92 
1937 06 33.06  20.63  26.84 
1937 07 33.31  21.96  27.63 
1937 08 33.12  22.30  27.71 
1937 09 32.36  21.11  26.73 
1937 10 29.50  18.70  24.10 
1937 11 24.99  14.29  19.64 
1937 12 22.36  10.24  16.29 
1938 01 23.48  10.56  17.02 
1938 02 25.58  12.70  19.14 
1938 03 29.03  13.58  21.30 
1938 04 29.74  14.83  22.28 
1938 05 32.45  18.20  25.32 
1938 06 31.94  20.14  26.04 
1938 07 32.82  21.68  27.25 
1938 08 34.34  21.39  27.87 
1938 09 32.25  21.14  26.70 
1938 10 28.32  16.66  22.49 
1938 11 27.83  16.18  22.00 
1938 12 25.00  10.12  17.56 
1939 01 25.72   9.71  17.71 
1939 02 28.97  13.74  21.35 
1939 03 29.88  13.82  21.84 
1939 04 29.88  15.88  22.88 
1939 06 33.37  21.27  27.32 
1939 07 33.36  22.60  27.98 
1939 08 32.73  22.40  27.56 
1939 09 32.59  21.97  27.28 
1939 11 24.90  13.66  19.27 
1939 12 23.94   8.51  16.22 
1940 01 19.75   6.26  13.00 
1940 02 21.28   8.57  14.92 
1940 03 24.08  12.17  18.12 
1940 04 28.08  15.22  21.65 
1940 05 31.27  15.81  23.54 
1940 06 32.88  21.90  27.39 
1940 07 34.16  21.65  27.91 
1940 09 30.88  21.86  26.37 
1940 11 99.99  13.24 -99.99 
1940 12 26.75  13.82  20.28 
1941 01 23.61   9.76  16.68 
1941 02 22.46   9.70  16.08 
1941 03 25.30  11.35  18.32 
1941 04 28.18  15.58  21.88 
1941 05 30.32  15.61  22.96 
1941 06 33.98  21.07  27.52 
1941 07 33.40  22.64  28.02 
1941 08 34.78  22.77  28.77 
1941 09 32.29  22.02  27.15 
1941 10 31.43  21.27  26.35 
1941 11 26.58  16.45  21.51 
1941 12 26.05  14.44  20.24 
1942 01 23.31   8.64  15.98 
1942 02 22.34   8.93  15.64 
1942 03 26.28  11.23  18.75 
1942 04 27.82  15.02  21.42 
1942 05 31.20  16.98  24.09 
1942 06 32.50  21.63  27.07 
1942 07 34.68  22.20  28.44 
1942 08 33.82  22.14  27.98 
1942 09 33.24  21.33  27.28 
1942 10 30.83  16.62  23.73 
1942 11 27.75  13.79  20.77 
1942 12 26.58  11.65  19.11 
1943 02 25.97   6.29  16.12 
1943 03 27.42  11.88  19.65 
1943 10 28.71  16.67  22.68 
1943 11 26.23  13.24  19.73 
1944 03 28.96  13.96  21.46 
1944 04 29.89  16.79  23.34 
1944 05 30.78  16.82  23.80 
1944 06 34.30  20.67  27.48 
1944 07 34.00  22.09  28.04 
1944 08 33.02  22.17  27.59 
1944 09 33.16  22.10  27.63 
1944 10 28.61  17.61  23.11 
1944 11 25.92  12.16  19.04 
1944 12 23.47   8.57  16.02 
1945 01 24.02   9.38  16.70 
1945 02 99.99  11.20 -99.99 
1945 03 30.94  13.44  22.19 
1945 04 32.29  16.89  24.59 
1945 05 32.28  15.86  24.07 
1945 06 33.50  21.00  27.25 
1945 07 32.54  22.40  27.47 
1945 08 33.39  22.67  28.03 
1945 09 31.61  22.40  27.00 
1945 10 29.52  19.65  24.58 
1945 11 25.68  13.64  19.66 
1945 12 23.30  10.34  16.82 
1946 01 24.43  11.04  17.73 
1946 02 25.95  10.91  18.43 
1946 03 27.58  13.21  20.39 
1946 04 31.15  14.92  23.03 
1946 05 31.36  18.65  25.00 
1946 06 32.29  20.77  26.53 
1946 07 33.71  22.25  27.98 
1946 08 33.28  22.19  27.73 
1946 09 31.59  21.90  26.74 
1946 10 30.00  18.85  24.42 
1946 11 28.22  17.57  22.89 
1946 12 26.24  14.22  20.23 
1947 01 26.90  14.17  20.53 
1947 02 20.56   6.31  13.43 
1947 03 25.04  11.06  18.05 
1947 04 30.28  18.42  24.35 
1947 05 31.27  18.39  24.83 
1947 06 31.19  21.13  26.16 
1947 07 32.41  19.51  25.96 
1947 08 32.59  22.06  27.32 
1947 09 31.28  21.83  26.55 
1947 10 28.94  19.57  24.25 
1947 11 27.23  16.61  21.92 
1947 12 25.00  12.69  18.84 
1948 01 22.69   9.20  15.94 
1948 02 26.80  12.58  19.68 
1948 03 29.09  16.19  22.64 
1948 04 29.07  16.81  22.93 
1948 05 32.70  17.49  25.09 
1948 06 33.90  19.76  26.83 
1948 08 32.71  21.92  27.31 
1948 09 31.56  21.89  26.72 
1949 01 26.10  11.93  19.01 
1949 08 33.29  22.55  27.92 
1949 09 32.08  22.60  27.34 
1949 10 29.64  20.83  25.23 
1949 11 25.51  12.34  18.92 
1949 12 25.04  14.08  19.56 
1950 01 26.61  14.73  20.67 
1950 02 26.52  11.70  19.11 
1950 03 28.11  13.23  20.67 
1950 04 27.76  11.88  19.82 
1950 05 31.82  18.08  24.95 
1950 06 34.72  20.45  27.59 
1950 07 33.59  21.25  27.42 
1950 08 33.14  21.69  27.41 
1950 09 32.07  21.87  26.97 
1950 10 29.60  20.45  25.02 
1950 11 24.72  12.60  18.66 
1950 12 22.27   8.93  15.60 
1951 01 24.13   9.66  16.89 
1951 02 23.93   9.80  16.86 
1951 03 26.56  12.61  19.58 
1951 04 26.89  15.34  21.11 
1951 05 31.13  18.42  24.77 
1951 06 33.84  20.58  27.21 
1951 07 33.34  22.39  27.87 
1951 08 34.14  23.25  28.69 
1951 09 32.86  22.11  27.48 
1951 10 29.54  19.98  24.76 
1951 12 26.67  13.74  20.20 
1952 01 24.82  11.78  18.29 
1952 02 24.52  11.10  17.81 
1952 03 27.08  15.52  21.30 
1952 04 27.95  14.45  21.20 
1952 05 31.86  18.53  25.19 
1952 06 34.80  21.62  28.21 
1952 07 33.04  22.35  27.69 
1952 08 33.68  22.61  28.15 
1952 09 32.30  22.26  27.28 
1952 10 28.41  20.45  24.43 
1952 11 25.93  14.25  20.09 
1952 12 23.18   8.33  15.75 
1953 01 23.81  10.46  17.13 
1953 02 25.95  12.46  19.20 
1953 03 28.71  14.33  21.52 
1953 04 29.78  15.56  22.67 
1953 05 33.34  19.29  26.32 
1953 06 32.53  21.53  27.03 
1953 07 33.65  21.99  27.82 
1953 08 33.15  22.19  27.67 
1953 09 31.22  22.52  26.87 
1953 10 27.38  18.48  22.93 
1953 11 25.28  15.43  20.35 
1953 12 24.78  13.45  19.11 
1954 01 24.66  11.60  18.13 
1954 02 24.32  10.65  17.48 
1954 03 26.20  10.79  18.49 
1954 04 29.75  17.25  23.50 
1954 05 30.43  18.69  24.56 
1954 06 31.92  21.54  26.73 
1954 07 32.36  22.22  27.29 
1954 08 34.29  22.63  28.46 
1954 09 32.48  22.12  27.30 
1954 10 28.37  17.90  23.13 
1954 11 24.76  12.34  18.54 
1954 12 22.55   8.55  15.54 
1955 01 23.03   9.30  16.16 
1955 02 23.58  12.15  17.86 
1955 03 27.51  12.71  20.11 
1955 04 29.44  15.79  22.61 
1955 05 32.14  17.79  24.96 
1955 06 32.55  19.95  26.25 
1955 07 33.03  21.28  27.15 
1955 08 33.71  22.69  28.20 
1955 09 32.23  22.11  27.17 
1955 10 28.24  17.52  22.88 
1955 11 27.29  13.41  20.35 
1955 12 24.22  12.12  18.17 
1956 01 21.69   6.80  14.24 
1956 02 27.15  12.46  19.80 
1956 03 27.97  10.92  19.44 
1956 04 29.36  13.24  21.30 
1956 05 31.62  18.67  25.14 
1956 06 33.41  19.10  26.25 
1956 07 33.39  21.49  27.43 
1956 08 33.68  21.84  27.76 
1956 09 30.81  21.58  26.19 
1956 10 29.16  19.78  24.47 
1956 11 25.39  12.28  18.83 
1956 12 25.46  11.25  18.35 
1957 01 25.99  11.52  18.75 
1957 03 26.27  12.93  19.60 
1957 04 28.44  17.61  23.02 
1957 05 31.56  19.96  25.76 
1957 06 33.45  21.31  27.38 
1957 07 34.63  22.44  28.53 
1957 08 33.13  21.95  27.54 
1957 09 32.91  22.12  27.51 
1957 10 28.83  18.37  23.60 
1957 11 28.36  16.15  22.25 
1957 12 23.19   9.88  16.53 
1958 01 19.25   7.99  13.62 
1958 02 20.25   5.85  13.05 
1958 03 25.38  13.75  19.56 
1958 04 28.15  16.45  22.30 
1958 05 30.18  18.37  24.27 
1958 06 34.14  21.30  27.72 
1958 07 34.05  22.36  28.20 
1958 08 33.91  22.48  28.19 
1958 09 33.34  21.99  27.66 
1958 10 28.99  17.85  23.42 
1958 11 28.57  17.27  22.92 
1958 12 23.99  11.17  17.58 
1959 01 22.83  10.10  16.46 
1959 02 26.62  15.68  21.15 
1959 03 24.65  13.27  18.95 
1959 04 27.88  16.36  22.12 
1959 05 31.53  19.21  25.37 
1959 06 32.18  21.78  26.98 
1959 07 32.89  22.35  27.62 
1959 08 32.72  22.33  27.52 
1959 09 31.39  21.93  26.66 
1959 10 30.92  21.46  26.18 
1959 11 26.17  16.35  21.26 
1959 12 23.20  10.98  17.09 
1960 01 24.19   9.89  17.04 
1960 02 23.32  10.61  16.96 
1960 03 24.11  10.77  17.44 
1960 04 28.16  16.09  22.12 
1960 05 30.98  16.51  23.74 
1960 06 32.16  20.50  26.33 
1960 07 33.47  22.07  27.77 
1960 08 33.33  21.41  27.37 
1960 09 30.55  21.67  26.11 
1960 10 30.38  18.00  24.18 
1960 11 27.75  14.05  20.90 
1960 12 22.70   8.55  15.62 
1961 01 22.35   8.55  15.45 
1961 02 25.68  11.21  18.44 
1961 03 28.92  13.32  21.12 
1961 04 28.75  13.22  20.98 
1961 05 31.39  17.24  24.31 
1961 06 32.55  20.32  26.43 
1961 07 33.82  21.95  27.88 
1961 08 33.16  25.02  29.09 
1961 09 32.28  21.21  26.74 
1961 10 28.85  15.83  22.34 
1961 11 27.46  14.78  21.12 
1961 12 25.79  11.74  18.76 
1962 01 25.22  11.05  18.13 
1962 02 28.33  12.31  20.32 
1962 03 26.71  12.15  19.43 
1962 04 28.26  14.08  21.17 
1962 05 32.40  18.04  25.22 
1962 06 31.96  20.97  26.46 
1962 07 34.13  22.24  28.18 
1962 08 33.06  22.60  27.83 
1962 09 32.33  21.56  26.94 
1962 11 25.28  11.00  18.14 
1963 05 33.18  18.35  25.76 
1963 06 33.73  21.44  27.58 
1963 07 34.43  21.42  27.92 
1963 08 35.98  21.03  28.50 
1963 09 34.54  21.21  27.87 
1963 10 29.79  16.93  23.36 
1963 12 22.76   7.51  15.13 
1964 01 22.05   9.72  15.89 
1964 02 21.79   9.63  15.71 
1964 03 27.40  13.07  20.23 
1964 04 28.01  16.87  22.44 
1964 05 31.51  19.36  25.43 
1964 06 32.22 -99.99 -99.99 
1964 07 32.12  23.02  27.57 
1964 08 34.63  22.19  28.41 
1964 10 28.79  17.66  23.22 
1964 11 28.18  15.48  21.83 
1964 12 25.95  12.26  19.10 
1965 02 25.85 -99.99 -99.99 
1965 04 31.64  18.43  25.03 
1965 05 32.12  22.46  27.29 
1965 06 32.39  22.00  27.19 
1965 07 33.18  22.09  27.64 
1965 08 32.99  21.48  27.23 
1965 10 30.46 -99.99 -99.99 
1966 08 32.97  23.17  28.07 
1966 09 31.24  21.91  26.57 
1966 10 30.93  19.94  25.43 
1967 02 28.23  11.90  20.06 
1967 03 28.95  16.75  22.85 
1967 04 28.22  14.64  21.43 
1967 06 32.07 -99.99 -99.99 
1967 08 33.22  22.87  28.04 
1967 09 32.16  21.28  26.72 
1967 10 29.99  17.10  23.54 
1968 04 32.28  15.19  23.73 
1968 05 31.18  19.00  25.09 
1968 06 31.41  19.45  25.43 
1968 07 32.02  21.97  26.99 
1968 08 33.50  22.83  28.16 
1968 09 33.25  23.15  28.20 
1968 10 30.25  19.15  24.70 
1969 01 23.34  10.31  16.82 
1969 04 30.14  18.34  24.24 
1969 10 29.14  21.05  25.09 
1969 11 24.39  12.61  18.50 
1969 12 22.19   9.12  15.65 
1970 01 99.99   7.95 -99.99 
1970 02 22.95   8.99  15.97 
1970 03 25.19  13.82  19.50 
1970 04 30.52  16.77  23.64 
1970 05 29.42  16.87  23.15 
1970 06 31.31  20.04  25.67 
1970 07 32.88  21.08  26.98 
1970 11 24.53   9.39  16.96 
1970 12 25.23   9.30  17.26 
1971 01 24.29   8.02  16.15 
1971 02 24.82   8.66  16.74 
1971 03 25.13   8.78  16.95 
1971 04 27.90  12.24  20.07 
1971 06 32.58  21.15  26.86 
1971 07 32.43  21.97  27.20 
1971 08 33.18  23.21  28.20 
1971 09 30.01 -99.99 -99.99 
1971 10 30.11  20.20  25.16 
1971 11 25.99  15.13  20.56 
1972 01 28.49  12.90  20.69 
1972 02 24.54  11.20  17.87 
1972 03 27.38  12.20  19.78 
1972 04 28.75  14.51  21.63 
1972 05 29.84  17.79  23.81 
1972 06 31.21  21.24  26.22 
1972 07 32.79  21.52  27.15 
1972 08 33.00  21.25  27.13 
1972 09 32.06  20.28  26.17 
1972 10 30.78  18.45  24.62 
1973 06 32.04  20.66  26.35 
1973 07 32.96  21.67  27.31 
1973 08 32.11  21.94  27.02 
1973 11 28.37  15.15  21.76 
1974 04 29.42 -99.99 -99.99 
1974 05 31.88  17.08  24.48 
1975 06 32.16  21.06  26.61 
1975 07 31.59  21.62  26.60 
1975 08 32.41  21.68  27.04 
1975 09 31.33  21.03  26.18 
1975 10 29.25  18.76  24.00 
1975 11 99.99  14.08 -99.99 
1975 12 22.73   7.54  15.13 
1976 01 21.78   5.49  13.63 
1976 02 24.10   8.29  16.19 
1976 03 27.82 -99.99 -99.99 
1976 05 29.88  17.33  23.60 
1976 06 29.91  20.37  25.14 
1976 07 32.50  21.61  27.05 
1977 06 32.70  21.11  26.90 
1977 07 32.18  21.60  26.89 
1977 08 31.36  22.24  26.80 
1977 09 31.77  22.28  27.02 
1977 10 27.87  16.20  22.03 
1977 11 26.81  14.57  20.68 
1977 12 22.44   9.66  16.04 
1978 01 20.03   6.44  13.23 
1978 02 19.45   6.47  12.96 
1978 03 24.32  12.06  18.19 
1978 04 27.78  14.10  20.94 
1978 05 29.87  18.24  24.05 
1978 06 31.13  21.50  26.31 
1978 08 32.93  22.58  27.75 
1978 09 31.82  21.20  26.51 
1978 10 28.78  17.91  23.34 
1978 11 27.17  15.95  21.56 
1978 12 25.00  13.22  19.11 
1979 01 20.99   8.64  14.81 
1979 02 21.99   9.24  15.61 
1979 03 24.17  11.20  17.68 
