1978 07 24.29 -99.99 -99.99 
1978 09 20.35   6.71  13.53 
1978 10 11.57   1.04   6.30 
1979 01 14.75 -28.82 -21.78 
1979 02 14.15 -28.00 -21.07 
1980 06 23.44 -99.99 -99.99 
1980 07 26.60 -99.99 -99.99 
1980 09 17.19 -99.99 -99.99 
1981 03  5.04 -99.99 -99.99 
1981 07 26.12 -99.99 -99.99 
1982 02 -9.52 -99.99 -99.99 
1983 02 -3.74 -99.99 -99.99 
1983 03   .71 -99.99 -99.99 
1983 05 15.38 -99.99 -99.99 
1983 06 22.92 -99.99 -99.99 
1983 08 28.80 -99.99 -99.99 
1983 11   .43  -7.02  -3.29 
1983 12 99.99 -25.96 -99.99 
1984 01 10.76 -23.71 -17.23 
1984 02 -2.02 -11.57  -6.79 
1984 03 -2.05 -14.10  -8.07 
1984 04 15.04  -1.63   6.70 
1984 05 17.25   1.19   9.22 
1984 06 21.86   9.27  15.56 
1984 07 25.42  10.31  17.86 
1984 08 27.08  11.11  19.09 
1984 09 14.61   1.65   8.13 
1984 10 99.99   -.22 -99.99 
1984 11 -1.29  -9.57  -5.43 
1984 12 12.59 -24.40 -18.49 
1985 01 12.48 -24.86 -18.67 
1985 02 10.24 -25.84 -18.04 
1985 06 99.99   4.91 -99.99 
1985 07 24.48   9.37  16.92 
1985 08 20.20   8.70  14.45 
1985 09 14.44   2.79   8.61 
1985 10  9.84   -.77   4.53 
1985 12 12.69 -23.00 -17.84 
1986 01 10.35 -21.29 -15.82 
1986 02 10.00 -20.52 -15.26 
1986 03   .95 -10.26  -4.65 
1986 04  8.56  -2.70   2.93 
1986 05 19.16   3.88  11.52 
1986 06 20.72   6.78  13.75 
1986 07 22.98   9.68  16.33 
1986 08 99.99   7.15 -99.99 
1986 09 15.52   4.83  10.17 
1986 12 -5.63 -99.99 -99.99 
1987 02  -.69 -99.99 -99.99 
1987 03  2.48 -99.99 -99.99 
1987 05 21.08   5.03  13.05 
1987 06 25.13  10.33  17.73 
1987 07 24.79  12.18  18.48 
1987 08 23.09   8.27  15.68 
1987 09 19.70   5.40  12.55 
1987 10  7.98  -2.57   2.70 
1987 11  3.02  -5.60  -1.29 
1987 12 -4.17 -12.17  -8.17 
1988 01 11.93 -24.47 -18.20 
1988 02 10.80 -99.99 -99.99 
1988 05 22.00   5.89  13.94 
1989 05 20.90   5.00  12.95 
1989 06 22.38   8.52  15.45 
1989 08 24.73  10.93  17.83 
1991 05 20.56 -99.99 -99.99 
1992 09 16.53 -99.99 -99.99 
