1961 07 23.89 -99.99 -99.99 
1964 03 -2.98 -99.99 -99.99 
1964 04  6.72 -99.99 -99.99 
1964 05 15.71 -99.99 -99.99 
1964 06 23.05 -99.99 -99.99 
1964 09 15.83 -99.99 -99.99 
1967 08 23.60 -99.99 -99.99 
1967 09 15.66 -99.99 -99.99 
1967 10 11.77 -99.99 -99.99 
1968 03  2.16 -99.99 -99.99 
1968 04  9.66 -99.99 -99.99 
1968 05 16.53 -99.99 -99.99 
1968 06 23.29 -99.99 -99.99 
1968 07 19.37 -99.99 -99.99 
1968 08 23.25 -99.99 -99.99 
1968 09 14.17 -99.99 -99.99 
1970 04  8.91 -99.99 -99.99 
1970 05 16.65 -99.99 -99.99 
1970 06 20.04 -99.99 -99.99 
1970 08 21.39 -99.99 -99.99 
1970 09 15.10 -99.99 -99.99 
1971 03 -1.61 -99.99 -99.99 
1971 04  7.14 -99.99 -99.99 
1971 06 20.77 -99.99 -99.99 
1976 06 16.95 -99.99 -99.99 
1976 07 99.99   9.81 -99.99 
