1930 05 17.37 -99.99 -99.99 
1930 06 24.30  13.54  18.92 
1930 07 23.05  11.51  17.27 
1930 08 22.00  10.42  16.20 
1930 09 16.87   6.86  11.87 
1930 10 12.53   2.07   7.30 
1930 11  3.30  -3.85   -.27 
1930 12 -5.56 -14.56 -10.06 
1931 01 11.21 -23.83 -17.52 
1931 02 -6.46 -21.76 -14.11 
1931 03  4.26  -6.48  -1.10 
1931 04  9.93  -2.33   3.80 
1931 05 17.21   3.57  10.39 
1931 06 23.45   8.07  15.76 
1931 07 25.72  13.90  19.81 
1931 08 23.54  10.08  16.81 
1931 09 17.27   5.59  11.43 
1932 04  5.96  -5.35    .30 
1932 05 16.75   1.52   9.13 
1932 06 22.12   7.15  14.63 
1932 07 21.70  10.85  16.27 
1932 08 23.07  11.91  17.49 
1932 09 17.69   6.92  12.30 
1932 10  9.99    .93   5.46 
1932 11 -2.02 -10.18  -6.10 
1932 12 -6.10 -18.49 -12.29 
1933 01 -6.00 -19.04 -12.52 
1933 02 -6.40 -20.45 -13.42 
1933 03 -1.73 -15.75  -8.74 
1933 04  6.76  -2.52   2.12 
1933 05 15.64   1.88   8.76 
1933 06 22.13   7.92  15.02 
1933 07 25.52  10.67  18.09 
1933 08 23.18  10.14  16.66 
1933 09 17.77   6.45  12.11 
1933 10  8.96    .91   4.93 
1933 11 -5.66 -15.07 -10.36 
1933 12 14.68 -27.24 -20.96 
1934 01 11.70 -26.68 -19.19 
1934 02 14.38 -28.46 -21.42 
1934 03 -4.23 -17.71 -10.97 
1934 04  6.33  -3.02   1.65 
1934 05 16.04   2.47   9.25 
1934 06 20.48   8.31  14.39 
1934 07 23.93  11.07  17.50 
1934 08 20.76   8.51  14.63 
1934 09 19.82   8.72  14.27 
1934 10  7.75    .13   3.94 
1934 11  1.51  -5.62  -2.05 
1934 12 11.89 -21.84 -16.86 
1935 01 15.27 -28.97 -22.12 
1935 02 -9.71 -24.81 -17.26 
1935 03 -3.06 -17.45 -10.25 
1935 04  7.48  -3.81   1.83 
1935 05 14.61   2.15   8.38 
1935 06 21.76  10.22  15.99 
1935 07 25.05  11.67  18.36 
1935 08 24.03  10.56  17.29 
1935 09 15.18   3.35   9.26 
1935 10  9.16    . 3   4.59 
1935 11  1.79  -7.52  -2.86 
1935 12 10.29 -16.50 -13.39 
1936 01 11.68 -23.25 -17.46 
1936 02 11.56 -23.68 -17.62 
1936 03  1.39  -7.74  -3.17 
1936 04  5.94  -3.37   1.28 
1936 05 12.26   2.63   7.44 
1936 06 21.84   7.88  14.86 
1936 07 23.28  11.03  17.15 
1936 08 20.43   8.67  14.55 
1936 09 17.45   4.96  11.21 
1936 10  6.14   -.67   2.73 
1936 11 -2.77 -10.37  -6.57 
1936 12 -5.77 -19.14 -12.45 
1937 01 -4.94 -24.82 -14.88 
1937 02 -4.13 -20.65 -12.39 
1937 03 -3.67 -20.23 -11.95 
1937 04  9.22  -5.72   1.75 
1937 05 19.37   2.71  11.04 
1937 06 22.30   9.18  15.74 
1937 07 26.85  11.97  19.41 
1937 08 25.59  12.42  19.00 
1937 09 17.77   4.63  11.20 
1937 10  9.96   -.43   4.76 
1937 11  1.61  -5.90  -2.14 
1937 12 -7.86 -16.90 -12.38 
1938 01 10.79 -24.82 -17.80 
1938 02 -9.76 -23.68 -16.72 
1938 03 -1.87 -14.37  -8.12 
1938 04  7.96  -2.10   2.92 
1938 05 16.85   7.46  12.15 
1938 06 23.71  12.13  17.92 
1938 07 25.11  11.84  18.47 
1938 08 22.94  11.29  17.11 
1938 09 16.24   5.54  10.89 
