1959 02 12.85 -99.99 -99.99 
1959 04  6.46 -99.99 -99.99 
1960 02 16.66 -99.99 -99.99 
1960 03 -8.27 -99.99 -99.99 
1960 04  2.30 -99.99 -99.99 
1960 05 12.06 -99.99 -99.99 
1960 08 21.88 -99.99 -99.99 
1960 10  2.48 -99.99 -99.99 
1960 12 23.18 -99.99 -99.99 
1961 01 99.99 -36.11 -99.99 
1961 02 13.54 -99.99 -99.99 
1961 03 -4.26 -99.99 -99.99 
1961 04  3.28 -99.99 -99.99 
1961 05 14.52 -99.99 -99.99 
1961 06 19.28 -99.99 -99.99 
1961 08 21.90 -99.99 -99.99 
1961 09 15.75 -99.99 -99.99 
1961 10  5.14 -99.99 -99.99 
1962 01 19.00 -99.99 -99.99 
1962 02 14.17 -99.99 -99.99 
1962 03 -7.32 -99.99 -99.99 
1962 04  7.94 -99.99 -99.99 
1962 06 22.69 -99.99 -99.99 
1962 07 25.07 -99.99 -99.99 
1962 08 21.69 -99.99 -99.99 
1962 11 12.03 -99.99 -99.99 
1962 12 21.18 -99.99 -99.99 
1963 01 15.09 -99.99 -99.99 
1963 02 11.86 -99.99 -99.99 
1963 03 -2.36 -99.99 -99.99 
1963 04  3.58 -99.99 -99.99 
1963 05 13.83 -99.99 -99.99 
1963 06 19.65 -99.99 -99.99 
1963 07 27.27 -99.99 -99.99 
1963 08 22.50 -99.99 -99.99 
1963 09 17.12 -99.99 -99.99 
1963 10  3.97 -99.99 -99.99 
1970 01 21.32 -99.99 -99.99 
1970 02 16.31 -99.99 -99.99 
1970 03 -8.25 -99.99 -99.99 
1970 04  6.07 -99.99 -99.99 
1970 09 13.91 -99.99 -99.99 
1970 12 20.14 -99.99 -99.99 
1971 01 20.18 -99.99 -99.99 
1971 04  3.04 -99.99 -99.99 
1973 05 14.71 -99.99 -99.99 
1975 02 13.48 -99.99 -99.99 
1975 08 22.25 -99.99 -99.99 
1988 02 15.54 -99.99 -99.99 
