1947 03 -3.65 -99.99 -99.99 
1947 04  3.25  -5.93  -1.33 
1947 05 10.95   1.62   6.28 
1947 06 16.04   6.95  11.50 
1947 07 19.12  12.13  15.62 
1947 08 19.87  10.72  15.29 
1947 09 14.85   5.66  10.25 
1947 10 14.08   3.47   8.77 
1947 11  -.48  -8.16  -4.31 
1947 12 -5.14 -15.02 -10.08 
1948 01 -9.29 -18.37 -13.83 
1948 02 -6.04 -18.64 -12.34 
1948 03   .-1 -99.99 -99.99 
1948 04  5.81  -3.98    .91 
1948 05  8.43   1.09   4.76 
1948 07 18.86  10.91  14.88 
1948 08 17.85  10.83  14.34 
1948 09 15.26   6.21  10.73 
1949 02 -1.71 -12.59  -7.15 
1949 03 -1.45 -10.00  -5.72 
1949 04  4.15  -3.21    .47 
1949 05 12.55   3.37   7.96 
1949 06 18.70  10.85  14.77 
1949 07 19.61  12.55  16.08 
1949 08 18.46  10.43  14.45 
1949 09 12.06   4.69   8.38 
1950 02 -6.72 -16.62 -11.67 
1950 03 -3.39 -14.60  -8.99 
1950 04  2.83  -5.57  -1.37 
1950 05 11.67   2.34   7.01 
1950 06 17.04   8.17  12.61 
1950 07 17.82  10.47  14.14 
1950 08 17.32   8.95  13.13 
