1915 12 -99.99   2.52 -99.99 
1916 01 -99.99  -1.13 -99.99 
1916 02 -99.99   5.72 -99.99 
1916 03 -99.99   5.65 -99.99 
1916 04 -99.99   8.88 -99.99 
1916 05 -99.99  11.32 -99.99 
1916 06 -99.99  18.59 -99.99 
1916 10 -99.99  13.38 -99.99 
1916 11 -99.99   5.09 -99.99 
1916 12   2.43 -99.99 -99.99 
1917 01 -99.99  -2.04 -99.99 
1917 02 -99.99   2.24 -99.99 
1917 03 -99.99   3.31 -99.99 
1917 04 -99.99   6.21 -99.99 
1917 05 -99.99   7.88 -99.99 
1917 11 -99.99   5.44 -99.99 
1917 12 -99.99   4.07 -99.99 
1918 01 -99.99   4.29 -99.99 
1918 02 -99.99   0.41 -99.99 
1918 03 -99.99   2.65 -99.99 
1918 04 -99.99   7.17 -99.99 
1918 11 -99.99   2.27 -99.99 
1918 12 -99.99  -1.43 -99.99 
1919 02 -99.99  -1.63 -99.99 
1919 03 -99.99   2.25 -99.99 
