1916 03 99.99   5.79 -99.99 
1916 04 17.76   4.21  10.98 
1916 05 24.16   8.01  16.08 
1916 06 30.52  14.58  22.55 
1916 07 28.49  14.04  21.26 
1916 08 24.78  12.67  18.72 
1916 09 22.11   9.39  15.75 
1916 10 18.54   4.39  11.46 
1916 11 14.06  -1.58   6.24 
1916 12  9.71  -4.09   2.81 
1917 01  8.56  -3.97   2.29 
1917 02 11.22  -2.74   4.24 
1917 03 13.48  -2.04   5.72 
1917 04 19.31   2.89  11.10 
1917 05 19.67   5.54  12.60 
1917 06 29.13  10.81  19.96 
1917 07 29.30  13.67  21.48 
1917 08 26.49  13.24  19.86 
1917 09 22.89   9.80  16.34 
1917 10 21.38   4.79  13.08 
1917 11 15.70    .61   8.15 
1917 12 13.94  -1.08   6.43 
1918 01  7.60  -6.16    .72 
1918 02 13.45  -2.24   5.60 
1918 03 14.84   1.81   8.32 
1918 04 16.70   1.74   9.22 
1918 05 22.22   7.88  15.04 
1918 06 28.73  12.18  20.45 
1918 07 22.75  12.75  17.75 
1918 08 22.94  11.67  17.30 
1919 05 17.59   7.63  12.61 
1919 06 20.31   8.42  14.36 
1919 07 25.73  12.89  19.31 
1919 08 27.47  12.54  20.00 
1919 09 22.21  11.07  16.64 
1919 10 16.92   5.18  11.05 
1919 11 12.70  -1.36   5.67 
1919 12 11.60  -2.93   4.33 
1920 01  8.88  -3.51   2.68 
1920 02 11.81   -.62   5.59 
1920 03 13.20    .-5   6.57 
1920 04 15.84   1.12   8.48 
1920 05 22.12 -99.99 -99.99 
1920 06 25.47  11.24  18.35 
1920 07 27.91  13.25  20.58 
1920 08 23.99  11.21  17.60 
1920 09 24.29   9.04  16.66 
1920 10 17.70   4.35  11.03 
1920 11 11.78  -1.29   5.24 
1920 12  9.21  -4.90   2.15 
1921 01  9.97  -1.99   3.99 
1921 02 10.80  -3.31   3.74 
1921 03 16.04    .45   8.24 
1921 04 17.54   2.10   9.82 
1921 05 21.94   7.75  14.84 
1921 06 25.27  10.10  17.68 
1921 07 25.31  12.81  19.06 
1921 09 22.94  10.21  16.57 
1921 10 20.03   5.97  13.00 
1921 11 15.80    .77   8.28 
1921 12 12.26  -1.07   5.59 
1922 01  6.55  -6.46    . 4 
1922 02 11.24  -3.45   3.89 
1922 03 13.83  -1.54   6.14 
