1931 01 -5.20 -15.20 -10.20 
1931 02 -2.30 -12.50  -7.40 
1931 03  4.69  -3.60    .54 
1931 04 10.80    . 0   5.40 
1931 05 16.90   5.60  11.25 
1931 06 22.20  11.30  16.75 
1931 07 26.30  14.70  20.50 
1931 08 22.60  11.10  16.85 
1931 09 18.60  10.10  14.35 
1931 10 13.60   3.60   8.60 
1931 11  7.40    .10   3.75 
1932 02 -2.60 -10.40  -6.50 
1932 04  8.50   -.80   3.85 
1932 05 17.10   3.70  10.40 
1932 07 21.80  13.40  17.59 
1932 08 24.70  13.80  19.25 
1932 09 19.90  10.30  15.10 
1932 10 15.20   6.40  10.80 
1932 11  4.80  -3.30    .75 
1932 12  2.70  -6.00  -1.65 
1933 01  1.70  -7.30  -2.80 
1933 02   .10  -8.30  -4.10 
1933 03  2.20  -7.40  -2.60 
1933 04  9.60   1.60   5.60 
1933 05 17.50   6.20  11.85 
1933 06 22.40  11.80  17.10 
1933 07 23.10  13.20  18.15 
1933 08 22.80  11.80  17.29 
1933 09 18.10   8.50  13.30 
1933 10 11.20   1.90   6.55 
1933 11  2.20  -6.60  -2.19 
1933 12 -5.30 -12.80  -9.05 
1934 02 -7.80 -19.00 -13.40 
1934 03  1.80  -9.10  -3.65 
1934 04  9.60    .20   4.90 
1934 06 22.40  10.70  16.54 
1934 07 24.00  13.10  18.54 
1934 08 21.70   9.70  15.70 
1934 09 20.70  12.30  16.50 
1934 10 10.60   1.50   6.05 
1934 11  6.00   -.90   2.55 
1934 12 -3.80 -11.90  -7.85 
1935 01 -6.40 -16.20 -11.30 
1935 02 -1.90 -13.80  -7.85 
1935 03  2.80  -7.80  -2.50 
1935 04  8.60   -.80   3.90 
1935 05 13.50   2.90   8.20 
1935 06 21.10  10.70  15.90 
1935 07 25.70  15.90  20.80 
1935 08 23.40  13.70  18.54 
1935 09 16.10   7.40  11.75 
1935 11  6.60  -1.10   2.75 
1935 12 -4.30 -10.90  -7.60 
1936 01 -4.69 -14.40  -9.54 
1936 02 -4.80 -16.70 -10.75 
1936 03  4.90  -3.70    .60 
1936 04  6.70   -.30   3.19 
1936 05 17.50   7.30  12.40 
1936 06 22.30  12.90  17.59 
1936 07 22.80  14.10  18.45 
1936 08 21.70  11.80  16.75 
1936 09 18.20   7.90  13.05 
1936 10 11.10   2.40   6.75 
1936 12   .60  -9.20  -4.29 
1937 01   .30  -8.70  -4.19 
1937 02   .10  -9.70  -4.79 
1937 03   .10  -9.89  -4.89 
1937 04  7.80    .60   4.20 
1937 05 17.90   8.20  13.04 
1937 06 21.60  12.90  17.25 
1937 07 24.70  15.60  20.15 
1937 08 25.80  15.70  20.75 
1937 09 18.20   8.30  13.25 
1937 10 10.70   2.70   6.70 
1937 11  4.69   -.80   1.95 
1937 12 -2.80  -9.80  -6.30 
1938 01 -2.40 -13.40  -7.89 
1938 02 -1.30 -12.50  -6.90 
1938 03  3.00  -6.10  -1.55 
1938 04 10.70   1.30   6.00 
1938 05 15.30   9.00  12.15 
1938 06 23.40 -99.99 -99.99 
1938 07 23.50  15.30  19.40 
1938 08 24.10  14.10  19.10 
1938 09 15.80   6.80  11.30 
1938 10 14.40   3.00   8.70 
1938 11  6.00  -2.90   1.55 
1938 12 -1.10  -8.39  -4.75 
1939 01 -4.10 -14.00  -9.05 
1939 02 -1.20 -11.70  -6.45 
1939 03   .20  -9.89  -4.85 
1939 04  6.80  -1.90   2.45 
1939 05 16.40   3.60  10.00 
1939 06 20.60  10.60  15.60 
1939 07 24.70  13.60  19.15 
1939 08 24.90  13.60  19.25 
1939 09 17.60   7.70  12.65 
1939 10 11.30   2.30   6.80 
1939 11  3.30  -4.40   -.55 
1939 12 -1.10  -8.10  -4.60 
1940 01 -5.40 -15.60 -10.50 
1940 02  -.90 -12.40  -6.64 
1940 03  1.70  -8.60  -3.45 
1940 04  7.10   -.80   3.15 
1940 05 15.80   6.10  10.95 
1940 06 20.60  11.40  16.00 
1940 07 25.20  13.10  19.15 
1940 08 22.80  10.60  16.70 
1940 09 17.70   7.50  12.60 
1940 10  9.89    .70   5.30 
1940 11  3.70  -1.90    .90 
1940 12  -.90 -10.30  -5.60 
1941 01 -4.60 -15.30  -9.95 
1941 02 -2.40 -12.10  -7.25 
1941 03   .20  -8.80  -4.30 
1941 04 12.30    .90   6.60 
1941 05 15.90   4.10  10.00 
1941 06 22.20   9.60  15.90 
1941 07 24.30  12.70  18.50 
1941 08 21.00   9.80  15.40 
1941 09 18.29   6.40  12.35 
1941 10  9.20   2.20   5.70 
1978 04  5.34 -99.99 -99.99 
1980 09 16.29 -99.99 -99.99 
2011 01 -3.55 -16.02  -9.78 
2011 02 -1.34 -17.49  -9.41 
2011 04 10.02  -2.71   3.65 
2011 05 18.52   5.74  12.13 
2011 06 22.80   8.93  15.86 
2011 07 26.99  11.90  19.44 
2011 08 25.20  10.84  18.02 
2011 09 22.28   8.00  15.14 
2011 10 13.40   1.98   7.68 
2011 11 10.14  -4.37   2.88 
2011 12  1.83 -10.09  -4.13 
2012 01 -2.19 -14.02  -8.10 
2012 02  1.46 -12.65  -5.59 
2012 03  8.46  -6.77    .84 
2012 04 12.43   -.89   5.77 
2012 05 19.39   6.41  12.90 
2012 06 23.05   8.89  15.96 
2012 07 27.39  11.18  19.28 
2012 08 26.88  11.04  18.95 
2012 09 20.54   3.87  12.20 
2012 10 14.93   1.65   8.29 
2012 11  5.89  -6.08    .-9 
2012 12   .37  -8.74  -4.18 
2013 01 -2.85 -17.10  -9.97 
2013 02 -1.54 -13.81  -7.67 
2013 03  3.68  -8.79  -2.55 
2013 04 10.55  -4.17   3.19 
2013 05 19.73   3.08  11.40 
2013 06 23.09   7.80  15.44 
2013 07 26.92  12.83  19.87 
2013 08 25.00   8.74  16.86 
2013 09 20.58   4.63  12.60 
