1980 02  -5.13 -99.99 -99.99 
1980 06  20.41   8.33  14.37 
1980 07  22.79   9.33  16.06 
1980 08 -99.99   6.48 -99.99 
1980 09  15.35 -99.99 -99.99 
1980 10  12.81  -1.16   5.82 
1980 11   5.52  -6.45   -.46 
1981 01   -.35 -11.28  -5.81 
1981 03   6.46  -6.26   0.09 
1981 05  16.90   3.85  10.37 
1981 06  19.87   4.77  12.32 
1981 07  22.22   9.10  15.66 
1981 08  26.59   9.64  18.11 
1981 09  19.04   4.19  11.62 
1982 03  -1.70 -15.17  -8.43 
1982 04 -99.99  -6.50 -99.99 
1982 07  22.33  10.14  16.24 
1982 09  17.94   2.81  10.37 
1982 11 -99.99 -14.94 -99.99 
1983 04  11.10  -2.39   4.35 
1983 06  20.24   7.18  13.71 
1983 08  24.79   7.71  16.25 
1983 09  14.86   0.91   7.88 
1983 10  11.81  -3.24   4.28 
1983 11   0.58  -8.00  -3.71 
1983 12 -13.43 -24.86 -19.14 
1984 01  -1.59 -14.82  -8.20 
1984 02   3.48  -9.77  -3.14 
1984 03   2.59  -9.43  -3.42 
1984 04  12.65  -2.96   4.84 
1984 05  14.82   2.44   8.63 
1984 06  20.88   7.43  14.15 
1984 07  25.03   9.38  17.20 
1984 08  24.57   8.03  16.29 
1984 09  13.19   1.79   7.49 
1984 10   6.38  -4.10   1.14 
1984 11  -3.48 -15.37  -9.42 
1984 12  -9.76 -22.65 -16.20 
1985 01  -4.05 -16.73 -10.39 
1985 02 -99.99 -21.10 -99.99 
1985 03   3.32  -8.60  -2.64 
1985 04  10.43 -99.99 -99.99 
1985 05  19.32   4.69  12.00 
1985 06  20.37   5.29  12.83 
1985 07  25.16   9.25  17.20 
1985 08  19.19   6.80  12.99 
1985 09 -99.99   0.93 -99.99 
1985 10   9.12  -3.36   2.88 
1985 11 -99.99 -18.11 -99.99 
1985 12   0.15 -11.41  -5.63 
1986 01   0.90  -9.30  -4.20 
1986 03   6.66  -4.31   1.17 
1986 04   9.66  -2.50   3.58 
1986 05  18.17   4.05  11.11 
1986 07  20.98   8.63  14.80 
1986 08  23.31   7.86  15.58 
1986 09  12.77   1.97   7.37 
1986 10  13.87   0.28   7.07 
1986 11  -1.83 -14.73  -8.28 
1986 12  -0.05 -13.29  -6.67 
1987 01   1.00 -11.62  -5.31 
1987 02   1.76 -11.14  -4.69 
1987 03   0.08  -9.34  -4.63 
1987 04  14.91  -1.16   6.87 
1987 05  18.91   3.05  10.98 
1987 06  23.03   8.17  15.60 
1987 07  22.76   9.84  16.29 
1987 08  18.70   6.18  12.44 
1987 09  21.02   3.47  12.24 
1987 11 -99.99  -6.18 -99.99 
1987 12   0.80 -99.99 -99.99 
1988 01  -6.02 -18.10 -12.06 
1988 02   -.23 -15.04  -7.63 
