1983 06 24.14   7.80  15.96 
1983 09 18.78   4.44  11.61 
1983 10 16.08   1.86   8.97 
1983 11  5.38 -99.99 -99.99 
1984 01  3.43  -8.85  -2.71 
1984 02  9.09  -2.50   3.29 
1984 03  6.07  -5.70    .18 
1984 04 13.98   -.12   6.93 
1984 05 18.48   3.69  11.08 
1984 06 23.38   8.32  15.85 
1984 07 29.03   9.97  19.50 
1984 08 28.58  10.65  19.61 
1984 09 16.41   4.00  10.20 
1984 10 10.82  -2.02   4.39 
1984 11  4.30 -99.99 -99.99 
1985 02   .-8 -99.99 -99.99 
1985 05 21.65   4.73  13.19 
1985 06 23.22   6.63  14.92 
1985 07 30.25  10.74  20.49 
1985 08 23.82   8.14  15.98 
1985 09 13.83   3.37   8.60 
1986 05 19.10   5.15  12.12 
1986 06 25.65   9.85  17.75 
1986 07 25.60   9.00  17.29 
1986 08 27.23   9.02  18.12 
1987 01  5.40  -8.42  -1.51 
1987 02  7.96  -6.64    .66 
1987 03  6.53  -3.58   1.47 
1987 04 19.24   2.78  11.01 
1987 05 22.03   5.37  13.70 
1987 06 25.92   9.97  17.95 
1987 07 25.90  10.05  17.97 
1987 08 21.98   7.77  14.87 
1987 09 23.48 -99.99 -99.99 
1988 05 22.63 -99.99 -99.99 
1988 06 27.73  10.63  19.18 
1988 07 28.29  10.48  19.38 
1988 08 99.99   9.42 -99.99 
1988 09 21.87 -99.99 -99.99 
