1959 05  6.29 -99.99 -99.99 
1960 04 -2.58 -99.99 -99.99 
1962 06 12.25 -99.99 -99.99 
1962 12 10.88 -99.99 -99.99 
1963 03 -6.17 -99.99 -99.99 
1963 08 16.66 -99.99 -99.99 
1963 09 14.12 -99.99 -99.99 
1964 02 14.72 -99.99 -99.99 
1964 03 -6.22 -99.99 -99.99 
1964 04 -1.68 -99.99 -99.99 
1964 09 11.60 -99.99 -99.99 
1965 07 15.69 -99.99 -99.99 
1965 09 12.83 -99.99 -99.99 
1966 01 13.33 -99.99 -99.99 
1966 05  5.23 -99.99 -99.99 
1966 06 15.82 -99.99 -99.99 
1966 07 17.14 -99.99 -99.99 
1967 07 15.40 -99.99 -99.99 
1967 09 12.96 -99.99 -99.99 
1967 12 -9.51 -99.99 -99.99 
1968 02 -7.76 -99.99 -99.99 
1968 06 12.74 -99.99 -99.99 
1968 08 17.60 -99.99 -99.99 
1968 09 11.91   8.38  10.14 
1969 01 17.79 -22.24 -20.01 
1969 02 19.51 -24.40 -21.95 
1969 03 -9.66 -16.29 -12.97 
1969 04 99.99  -8.58 -99.99 
1969 05 99.99  -3.10 -99.99 
1969 06 10.37    .28   5.32 
1969 07 15.78   7.29  11.53 
1969 08 13.95   8.03  10.99 
1969 09 99.99   6.45 -99.99 
1969 10 99.99    .10 -99.99 
1969 12 -9.97 -15.53 -12.75 
1970 01 12.05 -19.07 -15.56 
1970 03 11.11 -18.01 -14.56 
1970 04 99.99  -7.94 -99.99 
1970 05  5.95  -1.77   2.08 
1970 06 99.99   4.00 -99.99 
1970 07 17.94  10.17  14.05 
1970 08 99.99  10.98 -99.99 
1970 09 10.10   6.65   8.38 
1970 10 99.99   -.83 -99.99 
1970 11 -2.63  -7.45  -5.04 
1970 12 11.62 -99.99 -99.99 
1971 01 13.76 -20.02 -16.89 
1971 02 10.53 -15.62 -13.07 
1971 03 -7.98 -12.84 -10.41 
1971 04 -1.49  -6.65  -4.07 
1971 05  4.46  -1.15   1.65 
1971 06 99.99   5.52 -99.99 
1973 04 -1.26 -99.99 -99.99 
1973 06 13.65   3.43   8.54 
1973 07 15.28   9.31  12.29 
1973 08 17.96  11.90  14.93 
1973 09 15.33   9.07  12.20 
1973 10 99.99   1.14 -99.99 
1973 11 99.99  -7.93 -99.99 
1973 12 99.99 -16.29 -99.99 
1974 01 99.99 -14.73 -99.99 
1974 02 99.99 -18.29 -99.99 
1974 03 99.99 -13.73 -99.99 
1974 04   .64  -4.80  -2.08 
1974 05 99.99  -1.32 -99.99 
1974 06 99.99   4.54 -99.99 
1974 07 99.99  10.34 -99.99 
1974 08 16.41  10.33  13.37 
1974 09 15.04   8.68  11.86 
1974 10  6.18   1.10   3.64 
1974 11 -3.48  -7.04  -5.26 
1974 12 99.99 -18.17 -99.99 
1975 01 99.99 -15.53 -99.99 
1975 02 99.99 -18.64 -99.99 
1975 03 99.99 -10.07 -99.99 
1975 04 99.99  -5.26 -99.99 
1975 05 99.99   -.66 -99.99 
1975 06 16.24   7.62  11.93 
1975 07 18.52  10.68  14.60 
1975 08 99.99  10.20 -99.99 
1975 09 99.99   5.97 -99.99 
1975 10 99.99   1.52 -99.99 
1975 11 99.99  -4.92 -99.99 
1976 01 99.99 -15.50 -99.99 
1976 02 99.99 -15.93 -99.99 
1976 03 -6.65 -99.99 -99.99 
1976 04  -.96  -7.19  -4.07 
1976 05 99.99  -2.33 -99.99 
1976 06 13.42   4.66   9.04 
1976 07 17.37  10.36  13.86 
1976 08 15.96  10.81  13.38 
1976 09 13.54   7.76  10.65 
1976 10  4.69    .50   2.59 
1976 11 -4.07  -7.76  -5.91 
1976 12 99.99 -11.89 -99.99 
1977 01 99.99 -20.57 -99.99 
1977 02 15.58 -19.87 -17.73 
1977 03 99.99 -13.66 -99.99 
1977 04 -1.67  -5.61  -3.64 
1977 05 99.99  -2.04 -99.99 
1977 06 14.16   5.28   9.72 
1977 07 17.04   9.68  13.36 
1977 08 18.14  11.67  14.90 
1977 09 12.73   7.18   9.95 
1978 01 99.99 -21.80 -99.99 
1978 03 -7.00 -99.99 -99.99 
1978 04 -2.07 -99.99 -99.99 
1978 05  6.73 -99.99 -99.99 
1978 09 12.58 -99.99 -99.99 
