1975 06 28.40 -99.99 -99.99 
1975 07 28.59 -99.99 -99.99 
1976 02 15.13 -99.99 -99.99 
1976 03 -6.10 -99.99 -99.99 
1976 09 18.33 -99.99 -99.99 
1977 07 26.23 -99.99 -99.99 
1978 02 -9.17 -99.99 -99.99 
1978 03  -.77 -99.99 -99.99 
1978 04 10.93 -99.99 -99.99 
1978 06 26.11 -99.99 -99.99 
1978 08 23.46 -99.99 -99.99 
1978 09 20.74 -99.99 -99.99 
1979 04  4.96 -99.99 -99.99 
1979 05 22.87 -99.99 -99.99 
1979 06 20.36 -99.99 -99.99 
1979 07 26.89 -99.99 -99.99 
1979 09 19.29 -99.99 -99.99 
1979 10  8.45 -99.99 -99.99 
1979 11 -2.64 -99.99 -99.99 
1980 01 15.85 -99.99 -99.99 
1980 02 14.96 -99.99 -99.99 
1980 03 -6.79 -99.99 -99.99 
1980 04  9.97 -99.99 -99.99 
1980 05 24.33 -99.99 -99.99 
1980 06 24.21  10.88  17.54 
1980 07 27.10 -99.99 -99.99 
1980 08 21.10 -99.99 -99.99 
1980 09 19.29 -99.99 -99.99 
1980 10  8.21 -99.99 -99.99 
1981 01 11.27 -99.99 -99.99 
1981 02 -8.00 -99.99 -99.99 
1981 04  7.88   -.96   3.46 
1981 05 18.07 -99.99 -99.99 
1981 06 25.64 -99.99 -99.99 
1981 07 28.83 -99.99 -99.99 
1981 08 29.74  14.75  22.24 
1981 09 19.44 -99.99 -99.99 
1981 10 13.20 -99.99 -99.99 
1981 11   .88 -99.99 -99.99 
1981 12 -8.04 -99.99 -99.99 
1984 03 -1.68 -99.99 -99.99 
1985 03 -4.89 -99.99 -99.99 
1985 04  8.60 -99.99 -99.99 
1985 05 17.50 -99.99 -99.99 
1985 06 25.47 -99.99 -99.99 
1985 07 25.97 -99.99 -99.99 
1985 08 25.54 -99.99 -99.99 
1985 09 20.79 -99.99 -99.99 
1985 10  6.00 -99.99 -99.99 
1986 02 11.98 -99.99 -99.99 
1986 03 -3.99 -99.99 -99.99 
1986 04 13.70 -99.99 -99.99 
1986 05 17.14 -99.99 -99.99 
1986 06 23.74 -99.99 -99.99 
1986 07 25.07 -99.99 -99.99 
1986 08 23.45 -99.99 -99.99 
1986 09 18.84 -99.99 -99.99 
1986 10  8.68 -99.99 -99.99 
1986 11 -3.59 -99.99 -99.99 
1987 03 -7.28 -99.99 -99.99 
1987 04  3.86 -99.99 -99.99 
1987 05 21.94 -99.99 -99.99 
1987 06 28.31 -99.99 -99.99 
1987 07 26.05 -99.99 -99.99 
1987 09 16.60 -99.99 -99.99 
1987 10  8.26 -99.99 -99.99 
1988 02 11.79 -99.99 -99.99 
1988 03 -2.56 -99.99 -99.99 
1988 04 13.10 -99.99 -99.99 
1988 05 18.37 -99.99 -99.99 
1988 06 29.25 -99.99 -99.99 
1988 07 26.41 -99.99 -99.99 
1988 09 19.25 -99.99 -99.99 
1988 10  9.81 -99.99 -99.99 
1989 03 -2.52 -99.99 -99.99 
1989 04  6.62 -99.99 -99.99 
1989 05 19.45 -99.99 -99.99 
1989 06 29.22 -99.99 -99.99 
1989 07 32.46 -99.99 -99.99 
1989 08 24.73 -99.99 -99.99 
1989 09 18.37 -99.99 -99.99 
1989 10  9.80 -99.99 -99.99 
1990 04 11.12 -99.99 -99.99 
1990 05 20.18 -99.99 -99.99 
1990 06 27.41 -99.99 -99.99 
1990 09 18.04 -99.99 -99.99 
1990 10  7.73 -99.99 -99.99 
1991 02 12.29 -99.99 -99.99 
1991 03 -3.59 -99.99 -99.99 
1991 04 15.90 -99.99 -99.99 
1991 06 30.64 -99.99 -99.99 
1991 07 28.36 -99.99 -99.99 
1991 08 22.86 -99.99 -99.99 
1991 09 19.95 -99.99 -99.99 
1991 11 -3.70 -99.99 -99.99 
1993 02 10.54 -99.99 -99.99 
1993 04  5.84 -99.99 -99.99 
1993 05 18.44 -99.99 -99.99 
1993 06 24.10  12.52  18.31 
1993 07 25.50 -99.99 -99.99 
1993 08 25.10 -99.99 -99.99 
1993 09 13.50 -99.99 -99.99 
1993 10  9.06 -99.99 -99.99 
1993 11 13.25 -99.99 -99.99 
1994 03 -6.46 -99.99 -99.99 
1994 04  9.85 -99.99 -99.99 
1994 06 26.66 -99.99 -99.99 
1994 07 21.92 -99.99 -99.99 
1994 09 21.11 -99.99 -99.99 
1994 10 13.77 -99.99 -99.99 
1994 11  -.56 -99.99 -99.99 
