1918 05  19.56 -99.99 -99.99 
1918 06  29.50  13.52  21.51 
1918 07  30.61  15.21  22.91 
1918 08  26.62  13.45  20.03 
1918 09  26.11  12.93  19.52 
1918 10  17.25   7.40  12.32 
1918 11   8.02   1.02   4.52 
1918 12   3.89  -1.82   1.03 
1919 01   4.84  -3.31   0.76 
1919 02   4.69  -1.21   1.74 
1919 03  11.83   2.02   6.92 
1919 04  17.42   4.00  10.71 
1919 05  21.17   7.91  14.54 
1919 06  25.94   9.57  17.75 
1919 07  31.85  16.20  24.02 
1919 08  31.15  16.37  23.76 
1919 09  22.69   9.26  15.97 
1919 10  14.28   3.86   9.07 
1919 11   7.93   -.55   3.68 
1919 12  -2.08  -9.08  -5.58 
1920 01   0.90  -5.01  -2.05 
1920 02   5.20  -1.95   1.62 
1920 03  10.30   0.81   5.55 
1920 04  13.58   2.55   8.06 
1920 05  19.77   5.59  12.68 
1920 06  24.08   9.93  17.00 
1920 07  31.65  15.07  23.36 
1920 08  29.81  14.93  22.37 
1920 09  23.85   9.96  16.90 
1920 10  15.68   5.53  10.60 
1920 11   7.74   0.50   4.12 
1920 12   5.14   -.86   2.13 
1921 01   4.15  -2.13   1.01 
1921 02   5.93   -.38   2.77 
1921 03  11.43   1.84   6.63 
1921 04  15.17   2.92   9.04 
1921 05  21.00   7.48  14.24 
1921 06  27.15  12.70  19.92 
1921 07  30.01  13.55  21.78 
1921 08  30.14  14.81  22.47 
1921 09  20.86   8.08  14.47 
1921 10  18.21   7.47  12.84 
1921 11   8.05   0.74   4.39 
1921 12   2.27  -4.17   -.95 
