1918 06 33.09 -99.99 -99.99 
1918 07 32.02  20.11  26.06 
1918 08 33.90  20.60  27.25 
1918 09 31.29  18.41  24.85 
1918 10 30.64  19.09  24.86 
1918 11 22.88 -99.99 -99.99 
1918 12 20.11   8.00  14.05 
1919 01 20.45   5.76  13.10 
1919 02 19.92   8.45  14.18 
1919 03 25.23  12.51  18.86 
1919 04 27.58  10.97  19.27 
1919 05 30.13  17.20  23.66 
1919 06 31.91  20.07  25.99 
1919 07 31.57  21.77  26.67 
1919 08 32.57  21.92  27.24 
1919 09 32.30  20.67  26.48 
1919 10 32.38  19.41  25.89 
1919 11 26.10  12.48  19.29 
1919 12 21.08   5.82  13.45 
1920 01 21.20   6.63  13.91 
1920 02 17.65   5.45  11.54 
1920 03 23.70   8.20  15.95 
1920 04 25.81  13.99  19.90 
1920 05 28.97  16.69  22.83 
1920 06 31.28  19.84  25.56 
1920 07 31.64  21.25  26.44 
1920 08 32.29  21.45  26.87 
