1917 10 -1.66  -8.08  -4.87 
1917 11 23.44 -30.68 -27.06 
1917 12 28.85 -35.05 -31.95 
1918 01 20.85 -28.76 -24.80 
1918 02 15.92 -25.52 -20.72 
1918 03 10.88 -25.97 -18.42 
1918 04  -.12 -15.80  -7.96 
1918 05  8.78   -.71   4.03 
1918 07 23.89   9.00  16.44 
1919 12 14.04 -23.34 -18.69 
1920 01 20.40 -29.83 -25.11 
1920 02 -8.55 -17.95 -13.25 
1920 03 -9.25 -22.55 -15.90 
1920 04 -1.63 -16.68  -9.15 
1920 05  9.22  -4.02   2.60 
1920 06 20.98   3.61  12.29 
1920 07 17.99   6.53  12.26 
1920 08 17.75   4.33  11.04 
1920 10 -1.85 -11.60  -6.72 
1920 11 12.98 -21.81 -17.39 
1920 12 16.87 -26.41 -21.64 
1921 01 22.69 -34.12 -28.40 
1921 02 99.99 -28.63 -99.99 
1921 03 -5.49 -17.67 -11.58 
1921 04  2.56 -13.36  -5.39 
1921 05 10.82  -1.92   4.44 
1921 06 20.67   5.78  13.22 
1921 07 20.95   8.37  14.66 
1921 08 19.20   7.72  13.46 
1921 09  8.51  -3.62   2.44 
1921 10 -2.33  -9.39  -5.86 
1921 11 -9.70 -16.90 -13.29 
1921 12 11.57 -22.02 -16.79 
1922 01 15.31 -25.01 -20.16 
1922 03 -8.95 -24.73 -16.84 
1922 04  2.93  -8.50  -2.78 
1922 05 10.66  -3.07   3.79 
1922 06 15.18   5.02  10.10 
1922 07 14.31   5.77  10.04 
1935 10  1.39  -6.71  -2.66 
1935 11 11.15 -21.27 -16.20 
1935 12 99.99 -30.86 -99.99 
1936 01 13.02 -21.67 -17.34 
1936 02 13.24 -24.79 -19.01 
1936 03 -8.14 -21.88 -15.01 
1936 04  8.80  -9.20   -.19 
1936 05 16.06    .99   8.52 
1936 06 23.95   8.91  16.43 
1936 07 21.64   9.03  15.33 
1936 08 20.93   7.34  14.13 
1936 09 13.85   -.48   6.68 
1936 10  3.07  -6.11  -1.52 
1936 11 10.20 -19.68 -14.94 
1936 12 19.42 -28.98 -24.20 
1937 01 -4.35 -17.16 -10.75 
1937 02 16.27 -27.52 -21.89 
1937 03 -6.36 -99.99 -99.99 
1937 04  1.44 -14.12  -6.34 
1937 05 11.60  -2.59   4.50 
1937 06 22.39   8.28  15.33 
1937 07 22.02   8.79  15.40 
1937 08 17.11   5.58  11.34 
1937 09 13.26   2.39   7.82 
1937 10  6.69  -6.17    .26 
1937 11 -8.04 -16.06 -12.04 
1937 12 15.58 -25.22 -20.40 
1938 01 22.03 -30.99 -26.51 
1938 02 15.45 -26.21 -20.83 
1938 03 -5.23 -18.90 -12.06 
1938 04  7.08  -6.26    .40 
1938 05 15.15    .-4   7.55 
1938 06 21.33   5.19  13.26 
1938 07 21.71   8.12  14.91 
1938 08 17.25   7.92  12.58 
1938 09 12.51   3.23   7.87 
1938 10  5.78  -2.57   1.60 
1938 11 -6.76 -14.88 -10.82 
1938 12 12.93 -21.51 -17.22 
1939 01 20.50 -29.91 -25.20 
1939 02 11.47 -20.24 -15.85 
1939 03 -7.96 -22.39 -15.17 
1939 04  2.88  -6.60  -1.85 
1939 05 11.28   -.75   5.26 
1939 06 21.06   6.33  13.69 
1939 07 20.55   8.01  14.28 
1939 08 15.99   4.84  10.41 
1939 09 10.22    .20   5.21 
1939 10  -.96 -10.46  -5.71 
1939 11 16.28 -25.15 -20.71 
1939 12 12.49 -20.52 -16.50 
1940 01 11.22 -22.53 -16.87 
1940 02 12.71 -21.20 -16.95 
1940 03 -5.87 -15.83 -10.85 
1940 04 10.73   -.15   5.29 
1940 05 18.24   3.88  11.06 
1940 06 23.65 -99.99 -99.99 
1940 07 22.09  10.22  16.16 
1940 08 19.75   8.47  14.11 
1940 09  9.27   2.41   5.84 
1940 10   .-4  -5.88  -2.96 
1940 11 -8.52 -15.67 -12.09 
1940 12 13.32 -19.98 -16.65 
1941 01 18.20 -24.22 -21.21 
1941 02 -7.99 -16.41 -12.20 
1941 03 -8.58 -17.70 -13.14 
1941 04  3.81  -6.06  -1.12 
1941 05 11.23   2.69   6.96 
1941 06 21.36  10.69  16.02 
1941 07 17.06 -99.99 -99.99 
1941 08 18.37 -99.99 -99.99 
1941 09 10.94 -99.99 -99.99 
1941 10 -1.56 -99.99 -99.99 
1941 11 12.40 -99.99 -99.99 
1941 12 16.19 -22.76 -19.47 
1942 01 10.86 -16.84 -13.85 
1942 02 -8.89 -14.23 -11.56 
1942 03 -9.95 -19.19 -14.57 
1942 04  1.87  -5.67  -1.90 
1942 05 13.23   1.72   7.47 
1942 06 22.35 -99.99 -99.99 
1942 07 18.87   9.85  14.36 
1942 08 15.89   9.20  12.54 
