1921 03  6.08 -99.99 -99.99 
1929 12  4.46  -4.01    .22 
1930 01  5.62  -6.55   -.46 
1930 02  8.53  -3.95   2.29 
1930 03 10.03  -4.61   2.70 
1930 04 17.29   1.26   9.28 
1930 05 23.58   6.67  15.12 
1930 06 27.21  10.17  18.68 
1930 07 30.02  12.02  21.02 
1930 08 28.70   9.85  19.27 
1930 09 27.35   9.96  18.65 
1930 10 17.49    .74   9.11 
1930 11 12.40  -2.10   5.14 
1930 12  3.06  -5.95  -1.44 
1931 04 16.48    .28   8.38 
1931 05 23.21   6.07  14.64 
1931 06 27.53  10.38  18.95 
1931 07 30.09  14.89  22.49 
1931 08 27.53  13.73  20.63 
1931 09 26.87  13.23  20.04 
1931 10 20.20   5.45  12.82 
1931 11 15.55   4.17   9.86 
1931 12  8.84  -1.32   3.76 
1932 01  9.75   -.20   4.77 
1932 02  8.18  -3.21   2.48 
1932 03  8.83  -5.72   1.55 
1932 04 16.04    .49   8.26 
1932 05 24.26   6.39  15.32 
1932 06 29.31  12.35  20.83 
1932 07 29.43  13.37  21.40 
1932 08 30.68  11.81  21.24 
1932 09 27.02   9.57  18.29 
1932 10 18.69   5.55  12.12 
1932 11  9.79  -2.10   3.84 
1932 12  6.22  -5.09    .56 
1933 01  7.68  -2.53   2.57 
1933 02  4.96  -6.82   -.93 
1933 03  7.46  -3.11   2.17 
1933 04 18.12   3.17  10.64 
1933 05 23.06  10.44  16.75 
1933 06 29.30  12.55  20.92 
1933 07 30.78  13.66  22.22 
1933 08 27.72  13.89  20.80 
1933 09 25.89  12.21  19.04 
1933 10 18.44   3.33  10.88 
1933 11  7.96  -2.16   2.90 
1933 12  6.88  -5.32    .78 
1934 01  5.59  -4.94    .32 
1934 02  -.89 -14.80  -7.84 
1934 03  9.09  -5.68   1.70 
1934 04 17.46   1.26   9.36 
1934 05 25.16   7.02  16.09 
1934 06 30.77  14.69  22.73 
1934 07 32.20  15.19  23.69 
1934 08 26.73  12.42  19.57 
1934 09 26.34  11.74  19.04 
1934 10 18.43   3.33  10.88 
1934 11 11.63    .78   6.20 
1934 12  3.32  -6.38  -1.53 
1935 01  3.72  -8.62  -2.44 
1935 02  3.65  -6.75  -1.55 
1935 03 13.26   -.24   6.51 
1935 04 14.76    .72   7.74 
1935 05 20.72   4.63  12.67 
1935 06 27.07  11.07  19.07 
1935 07 31.20  15.78  23.49 
1935 08 27.95  14.25  21.10 
1935 09 24.46   8.51  16.48 
1935 10 19.12   3.10  11.11 
1935 11 11.42    .96   6.19 
1935 12  -.30  -8.04  -4.17 
1936 01  -.20  -9.74  -4.96 
1936 02 99.99 -12.84 -99.99 
1936 03 13.91  -1.16   6.37 
1936 04 13.98    .15   7.06 
1936 05 25.19   6.63  15.91 
1936 06 27.67  11.20  19.43 
1936 07 31.42  12.40  21.91 
1936 08 28.47  14.96  21.71 
1936 09 25.89  10.89  18.39 
1936 10 18.40   5.05  11.72 
1936 11  9.64  -2.49   3.58 
1936 12  6.37  -4.05   1.15 
1937 01  8.06  -2.66   2.70 
1937 02  5.77  -6.94   -.58 
1937 03  6.13  -5.19    .47 
1937 04 14.10   1.67   7.88 
1937 05 22.64   5.96  14.29 
1937 06 26.87  13.12  19.99 
1937 07 29.16  13.96  21.56 
1937 08 28.87  15.37  22.12 
1937 09 23.27   7.35  15.31 
1937 10 15.52   4.00   9.76 
1937 11  9.21  -1.84   3.68 
1937 12  2.03  -7.48  -2.72 
1938 01  3.14  -7.55  -2.20 
1938 02  7.99  -4.57   1.70 
1938 03 13.02   -.54   6.24 
1938 04 17.67   2.52  10.09 
1938 05 22.18   6.54  14.36 
1938 06 26.08  10.87  18.47 
1938 07 29.22  14.55  21.88 
1938 08 30.07  14.22  22.14 
1938 09 22.95   8.68  15.81 
1938 10 20.51   2.58  11.54 
1938 11 13.83  -1.69   6.07 
1938 12  4.69  -5.20   -.25 
1939 01  5.32  -6.07   -.37 
1939 02  7.64  -6.60    .52 
1939 03 10.18  -2.85   3.66 
1939 04 15.50   1.52   8.51 
1939 05 25.46   8.14  16.79 
1939 06 27.33  14.18  20.75 
1939 07 28.13  13.83  20.98 
1939 08 29.58  14.22  21.90 
1939 09 27.87 -99.99 -99.99 
1939 10 19.54 -99.99 -99.99 
1939 11  9.78  -1.88   3.94 
1939 12  5.55  -3.29   1.13 
1940 01 -3.88 -12.39  -8.13 
1940 02  3.11  -6.51  -1.70 
1940 03  4.86  -4.23    .31 
1940 04 15.06   1.31   8.18 
1940 05 22.63   7.60  15.11 
1940 06 27.47  13.65  20.56 
1940 07 29.38  14.27  21.82 
1940 08 27.25  14.18  20.71 
1940 09 23.63   8.85  16.24 
1940 10 17.64   2.85  10.24 
1940 11  9.43    .78   5.10 
1940 12  8.95 -99.99 -99.99 
1977 01 12.16 -99.99 -99.99 
