1915 04  20.91   3.85  12.38 
1915 05  20.04   5.83  12.94 
1915 06  28.20 -99.99 -99.99 
1915 07  32.22 -99.99 -99.99 
1915 08  34.31 -99.99 -99.99 
1915 09  27.28 -99.99 -99.99 
1915 10  22.45   2.35  12.40 
1916 01   5.26  -2.71   1.27 
1916 02  14.89   2.30   8.59 
1916 03  16.23   1.77   9.00 
1916 04  19.66   2.52  11.09 
1916 05  20.20   4.16  12.18 
1916 06  26.84   7.75  17.29 
1916 07  28.89   9.55  19.21 
1916 08  31.87  10.45  21.16 
1916 09  28.15   7.70  17.92 
1916 10  21.11   0.67  10.89 
1916 11  11.64  -1.89   4.87 
1916 12   4.31  -3.49   0.40 
1917 01   5.71  -3.86   0.92 
1917 02   8.62  -1.53   3.54 
1917 03   9.89  -1.14   4.37 
1917 04  15.96   2.96   9.46 
1917 05  19.12   5.30  12.21 
1917 06  27.43   6.08  16.75 
1917 07  34.55  12.61  23.58 
1917 08  33.15  11.79  22.47 
1917 09  27.89   7.66  17.77 
1917 10  24.25   1.88  13.06 
1917 11  14.11   1.30   7.70 
1917 12   8.60   2.35   5.48 
1918 01   9.85   0.52   5.19 
1918 02  10.67  -0.06   5.30 
1918 07  30.88  10.28  20.58 
1918 08  30.59   9.62  20.10 
