1921 09 29.54  21.75  25.64 
1921 10 22.69  12.85  17.77 
1921 11 20.53  10.78  15.65 
1921 12 15.48   4.73  10.10 
1922 01 10.41   2.26   6.33 
1922 02 14.32   6.32  10.32 
1922 03 17.28   8.45  12.86 
1922 04 20.94  12.74  16.84 
1922 05 25.22  17.46  21.34 
1922 06 28.34  21.13  24.73 
1922 07 29.13  22.91  26.02 
1922 08 28.06  20.53  24.29 
1922 09 27.28  19.62  23.45 
1922 10 23.67  14.73  19.20 
1922 11 18.12   7.38  12.75 
1922 12 16.02   6.60  11.31 
1923 02 11.77   1.83   6.80 
1923 03 17.56   8.17  12.86 
1923 04 20.68  10.80  15.74 
1923 05 24.03  16.11  20.07 
1923 06 28.36  20.76  24.56 
1923 07 28.76  21.34  25.05 
1923 08 29.31  22.31  25.81 
1923 09 27.82  20.03  23.92 
1923 10 21.76  12.11  16.93 
1923 11 16.46   6.89  11.67 
1923 12 16.31   6.49  11.40 
1924 01 13.14   2.58   7.86 
1924 09 25.04  18.67  21.85 
1924 10 22.53  11.71  17.12 
1924 11 18.37   8.09  13.23 
1924 12 13.95   4.94   9.45 
1925 01 12.62   3.19   7.90 
1925 02 16.33   6.50  11.41 
1925 04 21.21  12.44  16.82 
1925 05 24.01  15.07  19.54 
1925 06 27.96  21.50  24.73 
1925 07 29.55  23.02  26.28 
1925 08 29.22  21.13  25.17 
1925 09 28.90  21.54  25.22 
1925 10 22.41  13.39  17.90 
1925 11 16.73   7.57  12.15 
1925 12 12.41   3.64   8.02 
1926 01 12.28   2.82   7.55 
1926 02 14.29   4.39   9.34 
1926 03 13.67   4.12   8.89 
1926 04 19.35   9.82  14.58 
1926 05 24.05  14.08  19.06 
1926 06 26.80  19.91  23.35 
1926 07 28.76  23.12  25.94 
1926 08 29.87  23.11  26.49 
1926 09 28.73  20.34  24.53 
1926 10 23.89  14.21  19.04 
1926 11 17.75   6.94  12.34 
1926 12 14.10   4.62   9.36 
1927 01 12.00   2.68   7.34 
1927 02 17.95   8.58  13.26 
1927 03 16.08   7.68  11.88 
1927 04 19.73  10.86  15.29 
1927 05 24.53  16.99  20.76 
1927 06 27.35  19.45  23.40 
1927 07 27.74  21.88  24.81 
1927 08 27.75  20.67  24.21 
1927 09 27.58  19.79  23.68 
1927 10 24.28  14.75  19.51 
1927 11 18.89   9.75  14.32 
1927 12 14.71   3.87   9.29 
1928 01 12.94   2.40   7.67 
1928 02 13.48   3.84   8.66 
1928 03 16.14   7.20  11.67 
1928 04 18.59  10.58  14.58 
1928 05 22.52  14.79  18.65 
1928 06 26.95  20.99  23.97 
1928 07 28.58  22.69  25.63 
1928 08 29.37  22.97  26.17 
1928 09 99.99  19.20 -99.99 
1928 10 24.48  15.31  19.89 
1928 11 18.42   8.33  13.37 
1928 12 13.91   4.98   9.44 
1929 01 13.89   4.35   9.12 
1929 02 12.53   3.32   7.92 
1929 03 18.61   9.39  14.00 
1929 04 21.76  13.64  17.70 
1929 05 24.02  16.75  20.38 
1929 06 27.25  19.74  23.49 
1929 07 28.80  21.98  25.39 
1929 08 29.41  21.30  25.35 
1929 09 26.73  19.86  23.29 
1929 10 22.66  12.81  17.73 
1929 11 17.53  10.12  13.82 
1929 12 13.86   4.12   8.99 
1930 01 14.61   4.46   9.53 
1930 02 15.57   5.09  10.33 
1930 03 15.72   6.22  10.97 
1930 04 21.03  11.55  16.29 
1930 05 25.29  17.71  21.50 
1930 06 27.56  20.21  23.89 
1930 07 30.26  23.09  26.67 
1930 08 28.29  20.45  24.37 
1930 09 28.56  22.01  25.28 
1930 10 21.45  11.06  16.25 
1930 11 17.06   7.18  12.12 
1930 12 12.03   2.31   7.17 
1931 01 12.81   2.34   7.58 
1931 02 14.13   3.08   8.60 
1931 03 13.64   4.25   8.94 
1931 04 19.42  10.41  14.91 
1931 05 23.83  15.39  19.61 
1931 06 27.17  19.62  23.39 
1931 07 29.73  23.32  26.52 
1931 08 29.17  21.83  25.50 
1931 09 28.94  20.14  24.54 
1931 10 24.89  13.56  19.22 
1931 11 22.04  10.44  16.24 
1931 12 18.36   8.57  13.46 
1932 11 99.99    .93 -99.99 
1933 07 31.00 -99.99 -99.99 
1933 08 30.94 -99.99 -99.99 
1933 09 31.09 -99.99 -99.99 
1933 10 25.31  12.89  19.10 
1933 11 18.82 -99.99 -99.99 
1933 12 19.73   2.57  11.15 
1934 01 16.39   3.32   9.85 
1934 02 10.99  -2.63   4.17 
1934 03 16.71   4.46  10.59 
1934 04 22.67  10.85  16.76 
1934 05 25.33  15.35  20.34 
1934 06 29.78  21.93  25.85 
1934 07 31.48  23.60  27.54 
1934 08 30.80  22.50  26.65 
1934 09 29.11  20.53  24.82 
1934 10 24.56  11.87  18.21 
1934 11 20.58   9.10  14.84 
1934 12 14.07   2.94   8.50 
1935 01 13.73   2.41   8.07 
1935 02 14.36   4.13   9.24 
1935 03 20.60   9.80  15.20 
1935 04 22.02 -99.99 -99.99 
1935 05 26.03  15.31  20.67 
1935 06 30.65  20.64  25.64 
1935 07 29.86  21.81  25.83 
1935 08 30.66  21.70  26.18 
1935 09 28.59  19.20  23.89 
1935 10 99.99  11.87 -99.99 
1935 11 20.02   9.89  14.95 
1935 12 10.25   -.82   4.71 
1936 01 11.42    .66   6.04 
1936 02 11.78    .70   6.24 
1936 03 19.25   8.10  13.68 
1936 04 21.66  10.37  16.01 
1936 05 27.11  15.21  21.16 
1936 06 30.54  19.29  24.91 
1936 07 32.53  22.75  27.64 
1936 08 31.25 -99.99 -99.99 
1936 09 30.31  24.12  27.21 
1936 10 24.62 -99.99 -99.99 
1936 11 18.19   7.15  12.67 
1936 12 15.51   5.46  10.48 
1937 01 18.94  10.53  14.73 
1937 02 14.21   3.90   9.05 
1937 03 16.83   4.92  10.88 
1937 04 20.85  10.87  15.86 
1937 05 26.27  16.17  21.22 
1937 06 32.25  20.28  26.26 
1937 07 99.99  22.52 -99.99 
1937 08 31.28  23.07  27.17 
1937 09 27.86  17.39  22.62 
1937 10 99.99  11.03 -99.99 
1937 11 17.04   5.48  11.26 
1937 12 10.83   2.33   6.58 
1938 01 12.31   2.19   7.25 
1938 02 13.78   5.63   9.70 
1938 03 17.67  10.09  13.88 
1938 04 21.69  11.91  16.79 
1938 05 28.25 -99.99 -99.99 
1938 06 99.99  17.79 -99.99 
1938 08 99.99  23.66 -99.99 
1938 09 99.99  18.17 -99.99 
1938 10 99.99  11.15 -99.99 
1938 11 99.99   9.24 -99.99 
1938 12 18.69   2.15  10.42 
1939 01 99.99   2.59 -99.99 
1939 02 21.95   2.26  12.10 
1939 03 25.39   4.37  14.87 
1939 04 24.80   4.21  14.50 
1939 05 28.26 -99.99 -99.99 
1939 06 34.63  23.76  29.19 
1939 09 30.87  18.70  24.78 
1939 10 25.75 -99.99 -99.99 
1939 11 16.17 -99.99 -99.99 
1939 12 17.90 -99.99 -99.99 
1940 01  7.19  -3.47   1.86 
1940 02 13.93   2.40   8.16 
1940 03 16.89   5.53  11.21 
1940 04 23.87   9.10  16.49 
1940 05 27.38  15.22  21.30 
1940 06 32.38  21.21  26.79 
1940 07 32.50  21.71  27.10 
1940 09 29.54  17.52  23.53 
1940 11 20.50   7.46  13.98 
