1936 04 99.99   6.58 -99.99 
1936 05 25.78  19.62  22.70 
1936 06 31.88  21.24  26.56 
1936 07 37.59  24.32  30.96 
1936 08 34.30  25.38  29.84 
1936 10 17.61   8.97  13.29 
1936 11  8.47   -.25   4.11 
1936 12  6.47 -99.99 -99.99 
1937 02  1.82  -5.80  -1.99 
1937 03  9.18    .82   5.00 
1937 04 16.84   9.08  12.96 
1937 05 24.53  16.43  20.48 
1937 06 27.86  21.38  24.62 
1937 07 31.20  23.66  27.43 
1937 08 31.75  24.20  27.97 
1937 09 25.71  16.00  20.85 
1937 10 17.32   6.44  11.88 
1937 11  7.83  -2.03   2.90 
1937 12   .18  -4.67  -2.25 
1938 01  2.39  -4.32   -.96 
1938 02  6.19 -99.99 -99.99 
1938 03 14.18   4.03   9.10 
1938 04 16.86   8.72  12.79 
1938 05 21.95  13.81  17.88 
1938 06 28.42  20.33  24.37 
1938 07 33.52  22.75  28.13 
1938 08 33.75  22.91  28.33 
1938 09 29.43  18.98  24.20 
1938 10 25.24  10.81  18.02 
1938 11 13.01    .25   6.63 
1938 12  3.45  -5.90  -1.22 
1939 01  5.12  -3.91    .60 
1939 02  3.45  -7.68  -2.11 
1939 03 11.71  -1.46   5.12 
1939 04 15.43   2.36   8.89 
1939 05 26.50  11.83  19.16 
1939 06 29.58  16.90  23.24 
1939 07 31.02  18.46  24.74 
1939 08 30.19  15.45  22.82 
1939 09 31.32  13.51  22.41 
1939 10 21.51   6.30  13.90 
1939 11  9.45   -.98   4.23 
1939 12  5.96  -4.67    .64 
1940 01 -4.80 -15.21 -10.00 
1940 02  1.77  -5.12  -1.67 
1940 03  7.34  -2.73   2.30 
1940 04 17.73   3.41  10.57 
1940 05 24.06 -99.99 -99.99 
