1918 05 25.67  15.16  20.41 
1918 06 27.69  16.79  22.24 
1919 01  4.01  -4.83   -.40 
1920 06 27.20  18.15  22.67 
1920 10 22.03  11.01  16.52 
1920 11  8.87    .60   4.73 
1924 11 11.22   -.76   5.23 
1924 12   .67 -10.09  -4.71 
1925 01   .94 -11.45  -5.25 
1925 02  7.98  -3.50   2.24 
1925 03 11.73 -99.99 -99.99 
1925 04 21.96   5.91  13.93 
1925 05 23.61   7.29  15.45 
1925 06 31.98  16.81  24.39 
1925 07 99.99  17.33 -99.99 
1925 08 99.99  16.36 -99.99 
1925 09 99.99  15.62 -99.99 
1925 10 11.19   2.33   6.76 
1925 11  7.43  -2.61   2.40 
1925 12  -.81  -9.29  -5.05 
1926 04 10.28    .46   5.37 
1926 05 23.57   8.70  16.13 
1926 06 25.20  12.04  18.62 
1926 07 30.69  17.14  23.91 
1926 08 29.40  18.24  23.82 
1926 09 23.39  13.87  18.62 
1926 10 17.54   4.56  11.05 
1926 11  7.15  -2.22   2.46 
1927 01   .22 -99.99 -99.99 
1927 02  6.01  -3.82   1.09 
1927 03 10.51   -.33   5.09 
1927 04 14.78   3.91   9.34 
1927 05 19.68   9.14  14.41 
1927 06 99.99  12.58 -99.99 
1927 07 29.00  16.54  22.77 
1927 08 24.97  12.32  18.64 
1927 09 27.91  13.76  20.83 
1927 10 99.99   5.22 -99.99 
1927 11 10.76   1.30   6.03 
1927 12   .12  -8.18  -4.03 
1928 01  1.16  -8.43  -3.64 
1928 02  2.94  -6.30  -1.68 
1928 03  7.74  -2.74   2.50 
1928 04 13.52   1.40   7.46 
1928 05 22.41   8.53  15.46 
1928 06 22.88  12.39  17.63 
1928 07 29.34  16.95  23.14 
1928 08 30.16  16.33  23.24 
1928 09 23.66   8.28  15.96 
1928 10 19.49   6.11  12.80 
1928 11  9.54   -.21   4.66 
1928 12  3.61  -5.65  -1.02 
1929 01 -2.28 -14.94  -8.60 
1929 02  -.81 -11.40  -6.10 
1929 03 13.34 -99.99 -99.99 
1929 04 17.35   5.72  11.53 
1929 05 18.59   9.00  13.79 
1929 06 27.05  14.10  20.57 
1929 07 30.63  17.77  24.20 
1929 08 27.38  13.95  20.66 
1929 09 26.84  10.93  18.88 
1929 10 14.85   2.99   8.92 
1929 11  4.98  -4.13    .42 
1929 12  1.25  -7.12  -2.93 
1930 01 -1.31 -11.02  -6.16 
1930 02  7.89  -1.85   3.02 
1930 03  7.24  -3.81   1.71 
1930 04 16.87   3.83  10.35 
1930 05 22.81  10.49  16.65 
1930 06 28.70  14.13  21.41 
1930 07 32.02  16.70  24.36 
1930 08 28.63  15.45  22.04 
1930 09 25.86  12.58  19.22 
1930 10 17.04   3.17  10.10 
1930 11 10.33  -1.35   4.48 
1930 12  1.20  -5.44  -2.11 
1931 01  3.24  -6.48  -1.62 
