1952 05 20.67 -99.99 -99.99 
1974 09 18.08 -99.99 -99.99 
1975 03   .69 -99.99 -99.99 
1975 05 19.21 -99.99 -99.99 
1975 09 17.81 -99.99 -99.99 
1976 06 22.88 -99.99 -99.99 
1976 09 14.04 -99.99 -99.99 
1977 07 22.86 -99.99 -99.99 
1978 04  5.63 -99.99 -99.99 
1978 08 18.21 -99.99 -99.99 
1979 05 19.81 -99.99 -99.99 
1979 08 21.12 -99.99 -99.99 
1980 03 -3.11 -99.99 -99.99 
1980 09 14.76 -99.99 -99.99 
1981 02 -5.50 -99.99 -99.99 
1982 04 10.26 -99.99 -99.99 
1982 05 17.34 -99.99 -99.99 
1982 07 24.64 -99.99 -99.99 
1982 08 20.94 -99.99 -99.99 
1983 04 14.06 -99.99 -99.99 
1983 05 15.56 -99.99 -99.99 
1983 06 20.52 -99.99 -99.99 
1983 07 24.43 -99.99 -99.99 
1984 02 11.02 -99.99 -99.99 
1984 03  1.02 -99.99 -99.99 
1984 04  5.86 -99.99 -99.99 
1984 05 19.12 -99.99 -99.99 
1984 06 21.69 -99.99 -99.99 
1984 07 25.88 -99.99 -99.99 
1985 03 -1.54 -13.78  -7.66 
1985 04  7.33 -99.99 -99.99 
1985 05 14.67 -99.99 -99.99 
1985 06 20.73 -99.99 -99.99 
1985 07 20.03 -99.99 -99.99 
1985 08 22.53 -99.99 -99.99 
1985 09 16.34 -99.99 -99.99 
1986 03 -1.45 -99.99 -99.99 
1986 04 11.48 -99.99 -99.99 
1986 05 14.63 -99.99 -99.99 
1986 06 20.42 -99.99 -99.99 
1986 07 19.06 -99.99 -99.99 
1986 08 18.61 -99.99 -99.99 
1987 02 -5.63 -99.99 -99.99 
1987 03 -3.03 -99.99 -99.99 
1987 04  2.79 -99.99 -99.99 
1987 05 19.75 -99.99 -99.99 
1987 07 22.23 -99.99 -99.99 
1987 08 20.12 -99.99 -99.99 
1988 02 -4.23 -99.99 -99.99 
1988 03  1.78 -99.99 -99.99 
1988 05 15.19 -99.99 -99.99 
1988 06 25.38 -99.99 -99.99 
1988 07 25.84 -99.99 -99.99 
1988 08 22.48 -99.99 -99.99 
1988 09 13.84 -99.99 -99.99 
1989 03  2.81 -99.99 -99.99 
1989 04  4.76 -99.99 -99.99 
1989 05 17.40 -99.99 -99.99 
1989 06 26.38 -99.99 -99.99 
1989 07 27.80 -99.99 -99.99 
1989 08 17.81 -99.99 -99.99 
1989 09 14.33 -99.99 -99.99 
1990 03   .80 -99.99 -99.99 
1990 04  8.93 -99.99 -99.99 
1990 05 15.10 -99.99 -99.99 
1990 07 21.89 -99.99 -99.99 
1990 08 19.54 -99.99 -99.99 
1990 09 13.63 -99.99 -99.99 
1991 02 -8.38 -99.99 -99.99 
1991 03 -3.65 -99.99 -99.99 
1991 04 12.35 -99.99 -99.99 
1991 05 21.00 -99.99 -99.99 
1991 06 25.28  12.82  19.04 
1991 07 22.50 -99.99 -99.99 
1991 08 17.84 -99.99 -99.99 
1991 09 13.42 -99.99 -99.99 
1991 10 11.01 -99.99 -99.99 
1992 06 18.85 -99.99 -99.99 
1992 07 19.18 -99.99 -99.99 
1992 08 17.46 -99.99 -99.99 
1992 09 17.35 -99.99 -99.99 
1993 02 -9.16 -99.99 -99.99 
1993 03 -3.37 -99.99 -99.99 
1993 04  7.41 -99.99 -99.99 
1993 05 17.12 -99.99 -99.99 
1993 06 20.32 -99.99 -99.99 
1993 09  8.88 -99.99 -99.99 
1994 03 -2.98 -99.99 -99.99 
1994 04 10.72 -99.99 -99.99 
1994 08 19.19 -99.99 -99.99 
