1966 01 99.99  11.48 -99.99 
1966 02 23.54 -99.99 -99.99 
1966 03 21.83 -99.99 -99.99 
1966 05 14.39   5.50   9.94 
1966 06 11.44   1.65   6.54 
1966 07 10.68   3.05   6.86 
1966 08 12.53   3.27   7.89 
1966 09 14.51   6.09  10.30 
1966 10 17.09   6.61  11.85 
1966 11 18.86   8.72  13.79 
1966 12 20.75 -99.99 -99.99 
1967 02 25.12  11.98  18.54 
1967 03 22.17 -99.99 -99.99 
1967 07 11.51   3.33   7.42 
1967 09 14.30   5.15   9.72 
1967 11 18.99   7.24  13.11 
1967 12 20.00   8.63  14.31 
1968 01 24.02  11.65  17.83 
1968 02 24.82  13.02  18.92 
1968 03 21.77  11.98  16.87 
1968 08 12.06   4.33   8.19 
1968 09 14.17   5.21   9.69 
1969 01 23.55  11.63  17.59 
1969 02 23.08  13.31  18.19 
1969 03 21.46  10.81  16.13 
1969 05 14.26 -99.99 -99.99 
