1921 11 14.08 -23.32 -18.70 
1921 12 24.50 -32.06 -28.28 
1922 01 26.95 -35.05 -31.00 
1922 02 34.80 -41.05 -37.92 
1922 03 25.08 -34.39 -29.73 
1922 04 12.78 -22.42 -17.60 
1922 05 -1.94  -7.23  -4.58 
1922 06  1.87  -4.10  -1.11 
1922 08  9.85   4.44   7.15 
1922 09  3.99    .58   2.29 
1922 10 -7.81 -13.03 -10.42 
1922 11 14.71 -21.38 -18.04 
1922 12 30.14 -35.09 -32.61 
1923 01 99.99 -40.25 -99.99 
1923 02 29.85 -35.89 -32.87 
1923 03 30.65 -38.27 -34.46 
1923 04 14.22 -21.26 -17.74 
1923 05 -4.07 -10.45  -7.26 
1923 06  8.89    .72   4.80 
1923 07 12.05   4.02   8.03 
1923 08 10.40   3.74   7.07 
1923 09  5.92    .62   3.27 
1923 10 -1.16  -7.05  -4.10 
1923 11 14.10 -21.75 -17.92 
1923 12 28.35 -34.25 -31.30 
1924 01 29.13 -35.18 -32.16 
1924 02 23.58 -30.78 -27.18 
1924 03 16.03 -24.05 -20.04 
1924 04 10.55 -19.12 -14.84 
1924 05  1.02  -5.29  -2.13 
1924 06  7.24    .51   3.87 
1924 07 14.41   4.71   9.56 
1924 08 14.15   4.33   9.24 
1924 09  6.42   1.52   3.97 
1924 10   .-7  -6.72  -3.39 
1924 11 12.85 -18.87 -15.86 
1924 12 23.33 -29.06 -26.19 
1925 01 33.84 -39.33 -36.59 
1925 02 30.08 -36.61 -33.34 
1925 03 25.01 -32.16 -28.59 
1925 04 10.44 -21.79 -16.11 
1925 05 -1.54  -9.82  -5.68 
1925 06  7.42   -.82   3.30 
1925 07 16.70   5.03  10.87 
1925 08 15.40   4.91  10.15 
1925 09  6.97    .50   3.73 
1925 10 -3.75  -8.47  -6.11 
1925 11 14.33 -22.30 -18.31 
1925 12 16.20 -24.75 -20.48 
1926 01 29.21 -35.91 -32.55 
1926 02 29.47 -36.21 -32.84 
1926 03 24.72 -31.88 -28.30 
1926 04 14.92 -24.79 -19.85 
1926 05 -2.81 -10.18  -6.49 
1926 06  7.11    .68   3.89 
1926 07 12.51   3.89   8.20 
1926 08 10.04   4.14   7.09 
1926 09  4.26   -.68   1.79 
1926 10  -.39  -4.54  -2.46 
1926 11 13.76 -22.29 -18.02 
1926 12 24.37 -30.95 -27.66 
1927 01 27.47 -35.14 -31.30 
1927 02 26.95 -34.38 -30.66 
1927 03 18.76 -27.91 -23.33 
1927 04 -9.27 -18.12 -13.70 
1927 05 -4.35 -12.59  -8.47 
1927 06  5.31  -1.48   1.91 
1927 07 13.33   3.95   8.64 
1927 08  9.84   3.95   6.89 
1927 09  5.55   1.31   3.43 
1927 10   .13  -3.51  -1.69 
1927 11 15.80 -22.32 -19.06 
1927 12 25.59 -31.89 -28.74 
1928 01 29.33 -35.66 -32.49 
1928 02 26.93 -34.45 -30.69 
1928 03 19.48 -26.95 -23.21 
1928 04 15.51 -23.55 -19.52 
1928 05 -3.18  -9.96  -6.57 
1928 06  8.03    .61   4.31 
1928 07 14.26   4.82   9.54 
1928 08 10.89   4.78   7.83 
1928 09  5.91   1.09   3.50 
1928 10 -2.46  -6.71  -4.58 
1928 11 10.94 -18.37 -14.65 
1928 12 17.98 -25.68 -21.83 
1929 01 25.61 -32.68 -29.14 
1929 02 28.69 -35.38 -32.03 
1929 03 27.62 -34.63 -31.12 
1929 04 13.23 -22.07 -17.65 
1929 05 -5.93 -12.40  -9.16 
1929 06  4.07  -1.08   1.49 
1929 07 12.13   3.06   7.59 
1929 08 11.75   4.69   8.22 
1929 09  3.44  -1.12   1.16 
1929 10 -1.45  -7.35  -4.40 
1929 11 18.21 -26.20 -22.21 
1929 12 26.33 -32.65 -29.49 
1930 01 29.86 -36.90 -33.38 
1930 02 26.92 -34.52 -30.72 
1930 03 20.59 -30.41 -25.50 
1930 04 11.63 -22.38 -17.00 
1930 05 -1.73 -10.29  -6.01 
1930 06  6.57    .22   3.39 
1930 07 13.82   4.16   8.99 
1930 08 13.09   5.63   9.36 
1930 09  4.96   1.73   3.34 
1930 10 -2.55  -8.28  -5.41 
1930 11 13.71 -20.08 -16.89 
1930 12 20.85 -27.89 -24.37 
1931 01 27.10 -33.98 -30.54 
1931 02 22.80 -30.58 -26.68 
1931 03 24.86 -32.18 -28.52 
1931 04 12.45 -20.82 -16.63 
1931 05 -3.86 -10.33  -7.09 
1931 06  5.43    .22   2.82 
1931 07 13.62   5.81   9.71 
1931 08 13.90   6.33  10.11 
1931 09  6.83   2.49   4.66 
1931 10   .-4  -4.00  -2.02 
1931 11 14.20 -20.40 -17.29 
1931 12 20.56 -28.64 -24.59 
