1930 11 28.59 -99.99 -99.99 
1930 12 27.48  20.33  23.90 
1931 01 27.38  18.61  22.99 
1931 02 27.19  19.52  23.35 
1931 03 28.07 -99.99 -99.99 
1931 04 26.87  19.27  23.07 
1931 05 27.80  19.78  23.79 
1931 06 29.63  21.40  25.51 
1931 07 99.99  22.63 -99.99 
1931 08 99.99  23.05 -99.99 
1931 09 28.73  22.94  25.83 
1931 10 29.12  21.90  25.51 
1931 11 26.92  20.65  23.78 
1931 12 24.62  17.45  21.03 
1932 01 26.28  18.65  22.46 
1932 02 22.12  17.08  19.60 
1932 03 22.08  17.94  20.01 
1932 04 99.99  19.81 -99.99 
1932 05 99.99  21.40 -99.99 
1932 06 28.68  22.03  25.35 
1932 07 29.15  21.00  25.07 
1932 08 29.71  21.72  25.71 
1932 09 29.84  21.53  25.68 
1932 10 29.85  21.49  25.67 
1932 11 28.10  21.23  24.66 
1932 12 26.95  19.44  23.19 
1933 01 26.51  19.67  23.09 
1933 02 25.25  18.42  21.83 
1933 03 24.74  18.61  21.67 
1933 04 26.16  18.28  22.22 
1933 05 99.99  19.98 -99.99 
1933 06 29.62  21.08  25.35 
1933 07 30.09  20.95  25.52 
1933 08 30.54  21.08  25.81 
1933 09 30.65  21.51  26.08 
1933 10 30.13  20.37  25.25 
1933 11 28.64  18.91  23.77 
1933 12 28.19  19.10  23.64 
1934 01 27.46  18.86  23.16 
1934 02 27.09  14.54  20.81 
1934 03 27.49  14.46  20.97 
1934 04 25.87  14.62  20.24 
1934 05 30.48 -99.99 -99.99 
1934 06 31.97 -99.99 -99.99 
1934 07 32.47  17.18  24.82 
1934 08 31.70  19.29  25.49 
1935 01 25.60  16.57  21.08 
1935 02 25.74  16.83  21.28 
1935 04 26.04  19.56  22.80 
1935 05 28.65  21.03  24.84 
1935 06 29.06  21.43  25.24 
