1947 01 99.99  23.67 -99.99 
1947 02 99.99  22.78 -99.99 
1947 03 99.99  24.61 -99.99 
1947 04 99.99  24.17 -99.99 
1947 05 99.99  22.50 -99.99 
1947 06 99.99  19.78 -99.99 
1947 07 99.99  19.06 -99.99 
1947 08 99.99  14.28 -99.99 
1947 09 99.99  15.44 -99.99 
1947 10 99.99  17.00 -99.99 
1947 11 99.99  18.21 -99.99 
1947 12 99.99  23.56 -99.99 
1948 01 99.99  24.33 -99.99 
1948 02 99.99  24.61 -99.99 
1948 03 99.99  23.83 -99.99 
1948 04 99.99  23.83 -99.99 
1948 05 99.99  23.33 -99.99 
1948 06 99.99  21.39 -99.99 
1948 07 99.99  21.00 -99.99 
1948 08 99.99  20.67 -99.99 
1948 09 28.44  22.50  25.47 
1948 10 29.16  24.06  26.61 
1948 11 99.99  25.39 -99.99 
1948 12 99.99  24.22 -99.99 
1949 01 99.99  23.50 -99.99 
1949 02 99.99  23.83 -99.99 
1949 03 99.99  23.39 -99.99 
1949 04 99.99  23.28 -99.99 
1949 05 29.89  23.00  26.44 
1949 06 29.66  21.33  25.49 
1949 07 28.72  21.00  24.86 
1949 08 28.61  21.44  25.02 
1949 09 29.44  22.06  25.75 
1949 10 30.11  23.89  27.00 
1949 11 31.39  25.22  28.30 
1949 12 31.27  25.44  28.35 
1950 01 30.66  24.83  27.74 
1950 02 30.39  24.72  27.55 
1950 03 30.00  24.11  27.05 
1950 04 30.22  23.67  26.94 
1950 05 29.77  22.11  25.94 
1950 06 28.83  20.39  24.61 
1950 07 28.72  20.21  24.47 
1950 08 28.61  20.56  24.58 
1950 09 29.11  21.72  25.41 
1950 10 30.05  23.00  26.52 
1950 11 31.39  24.67  28.03 
1950 12 30.61  23.72  27.16 
