1923 01 -99.99 -13.17 -99.99 
1923 02  -3.00 -15.74  -9.37 
1923 03   4.66  -9.59  -2.46 
1923 04  13.23  -5.26   3.98 
1923 05  16.94   -.78   8.08 
1923 06  21.85   4.09  12.97 
1923 07  26.66   5.70  16.18 
1923 08  24.01   4.38  14.19 
1923 09  20.37   0.49  10.43 
1923 10  14.10  -3.53   5.28 
1923 11   0.97  -8.60  -3.81 
1923 12  -3.25 -11.44  -7.34 
1924 01  -7.38 -15.47 -11.42 
1924 02   1.69  -8.10  -3.20 
1924 03   3.18  -9.28  -3.04 
1924 04   7.90  -3.53   2.18 
1924 05  17.60   0.24   8.92 
1924 06  17.91   3.19  10.55 
1924 07  23.46   6.15  14.80 
1924 08  19.79   5.71  12.75 
1924 09  17.18   2.44   9.81 
1924 10   9.89   -.77   4.56 
1924 11  -2.23  -9.43  -5.83 
1924 12 -10.62 -18.26 -14.44 
1925 01  -5.38 -12.47  -8.92 
1925 02   1.38  -7.64  -3.13 
1925 03   3.16  -7.57  -2.20 
1925 04  12.24  -2.69   4.77 
1925 05  17.69   0.83   9.26 
1925 06  21.15   5.15  13.15 
1925 07  24.73   6.13  15.43 
1925 08  20.92   5.14  13.03 
1925 09  14.77   2.39   8.58 
1925 10   7.76  -3.01   2.37 
1925 11   0.07  -7.65  -3.79 
1925 12  -1.28  -6.40  -3.84 
1926 01  -6.20 -10.58  -8.38 
1926 02   1.69  -6.63  -2.47 
1926 03   7.20  -5.82   0.68 
1926 04  12.97  -2.93   5.02 
1926 05  14.79   1.55   8.17 
1926 06  19.06   4.65  11.85 
1926 07  25.46   7.12  16.28 
1926 08  21.48   5.87  13.67 
1926 09  11.80   -.93   5.43 
1926 10   9.30   -.39   4.45 
1926 11   1.13  -5.42  -2.14 
1926 12  -7.81 -14.89 -11.35 
1927 01  -8.31 -16.31 -12.31 
1927 02  -2.08 -13.95  -8.01 
1927 03   3.31  -9.12  -2.90 
1927 04   8.04  -4.16   1.94 
1927 05  12.03   1.49   6.76 
1927 06  18.27   4.57  11.42 
1927 07  22.25   6.76  14.50 
1927 08  22.11   6.67  14.39 
1927 09  15.07   2.33   8.70 
1927 10   8.27   0.39   4.33 
1927 11  -2.23  -9.93  -6.08 
1927 12 -11.77 -20.28 -16.02 
1928 01  -5.29 -13.08  -9.18 
1928 02   0.30 -11.04  -5.37 
1928 03   5.73  -6.09   -.18 
1928 04   7.85  -4.12   1.86 
1928 05  17.44   1.64   9.54 
1928 06  17.96   5.48  11.72 
1928 07  24.91   8.37  16.64 
1928 08  21.13   5.49  13.31 
1928 09  20.02   1.29  10.65 
1928 10   6.86  -5.14   0.86 
1928 11   0.61  -6.83  -3.11 
1928 12  -6.70 -14.04 -10.37 
1929 01 -11.25 -19.87 -15.56 
1929 02  -4.92 -17.27 -11.09 
1929 03   4.75  -6.09   -.67 
1929 04   7.71  -4.38   1.66 
1929 05  14.93   0.95   7.94 
1929 06  18.87   5.70  12.28 
1929 07  23.62   5.52  14.57 
1929 08  24.25   6.26  15.25 
1929 09  16.51   1.33   8.92 
1929 10  11.36  -1.86   4.75 
1929 11   -.40  -9.22  -4.81 
1929 12  -6.48 -12.88  -9.68 
1930 01 -14.56 -24.58 -19.57 
1930 02   0.04  -9.06  -4.51 
1930 03   4.33  -8.87  -2.27 
1930 04  12.69   -.49   6.10 
1930 05  13.01   1.70   7.35 
1930 06  17.44   4.65  11.04 
1930 07  23.82   6.21  15.01 
1930 08  24.08   6.22  15.15 
1930 09  17.48   3.64  10.56 
1930 10   6.91  -3.54   1.68 
1930 11   -.30  -7.27  -3.78 
1930 12  -4.40  -8.51  -6.45 
1931 01  -2.34  -8.64  -5.50 
1931 02   0.33 -11.35  -5.51 
1931 03   3.48  -7.08  -1.80 
1931 04  10.51  -1.68   4.41 
1931 05  16.09   1.21   8.64 
1931 06  17.89   5.07  11.48 
1931 07  23.34   6.35  14.84 
1931 08  23.13   5.66  14.39 
1931 09  13.70   3.37   8.53 
1931 10  10.01  -1.81   4.10 
1931 11  -2.32 -11.41  -6.86 
1931 12  -4.52 -12.35  -8.43 
1932 01  -8.01 -15.87 -11.94 
1932 02  -2.51 -11.84  -7.17 
1932 03   1.91  -8.07  -3.08 
1932 04   9.95  -1.24   4.35 
1932 05  15.35   0.71   8.03 
1932 06  20.29   5.33  12.81 
1932 07  20.87   7.04  13.95 
1932 08  22.37   7.29  14.83 
1932 09  17.34   2.49   9.91 
1932 10   6.94  -2.24   2.34 
1932 11   0.17  -6.25  -3.04 
1932 12  -7.37 -14.21 -10.79 
1933 01  -4.48 -11.44  -7.96 
1933 02  -5.54 -15.08 -10.31 
1933 03   3.08  -7.88  -2.40 
1933 04   8.80  -3.83   2.48 
1933 05  13.61   1.30   7.45 
1933 06  19.32   4.48  11.90 
1933 07  21.90   5.70  13.79 
1933 08  23.69   6.20  14.94 
1933 09  12.82   2.98   7.89 
1933 10   7.79  -2.25   2.77 
1933 11   2.04  -4.44  -1.20 
1933 12  -4.96 -14.98  -9.96 
1934 01  -2.19 -10.48  -6.33 
1934 02   0.94 -12.20  -5.63 
1934 03   4.82  -5.55   -.36 
1934 04  14.76  -1.29   6.73 
1934 05  17.12   3.34  10.23 
1934 06  18.74   5.48  12.11 
1934 07  21.68   6.90  14.29 
1934 08  22.79   5.61  14.20 
1934 09  12.45   1.48   6.96 
1934 10   9.88   -.76   4.56 
1934 11   2.78  -3.30   -.26 
1934 12  -6.31 -11.84  -9.07 
1935 01  -7.39 -15.47 -11.43 
1935 02   1.46 -10.84  -4.69 
1935 03   0.92  -9.41  -4.24 
1935 04   7.00  -5.90   0.54 
1935 05  14.41   -.58   6.91 
1935 06  16.61   4.67  10.64 
1935 07  21.55   7.02  14.28 
1935 08  19.69   5.98  12.83 
1935 09  18.65   2.81  10.73 
1935 10   7.88  -3.21   2.33 
1935 11  -1.86  -8.47  -5.16 
1935 12  -3.85  -9.74  -6.79 
1936 01  -4.82 -12.51  -8.66 
1936 02 -12.16 -23.16 -17.66 
1936 03   0.97  -7.85  -3.44 
1936 04   9.60  -2.39   3.60 
1936 05  18.65   3.89  11.27 
1936 06  19.98   6.20  13.09 
1936 07  24.91   7.16  16.03 
1936 08  23.06   6.26  14.66 
1936 09  16.07   2.52   9.29 
1936 10  11.99  -1.28   5.35 
1936 11   -.82  -8.96  -4.89 
1936 12  -5.73 -13.38  -9.55 
1937 01 -15.34 -25.19 -20.26 
1937 02  -5.24 -15.81 -10.52 
1937 03   4.76  -7.64  -1.43 
1937 04   9.28  -2.38   3.44 
1937 05  16.02   0.61   8.31 
