1973 07 29.22 -99.99 -99.99 
1973 08 28.62  15.61  22.11 
1973 09 19.10 -99.99 -99.99 
1973 10 13.00 -99.99 -99.99 
1973 11  6.89 -99.99 -99.99 
1974 02 -6.61 -99.99 -99.99 
1974 03  4.15 -99.99 -99.99 
1974 05 23.42 -99.99 -99.99 
1974 06 28.35 -99.99 -99.99 
1974 07 29.72  18.19  23.95 
1974 08 28.10  14.30  21.20 
1974 09 24.07  10.81  17.44 
1974 10 17.79 -99.99 -99.99 
1974 11  7.76 -99.99 -99.99 
1974 12  -.11 -99.99 -99.99 
1975 01 -1.00 -99.99 -99.99 
1975 02 -3.40 -99.99 -99.99 
1975 03  3.39  -3.69   -.14 
1975 04 17.95 -99.99 -99.99 
1975 05 25.96 -99.99 -99.99 
1975 06 31.83  18.42  25.12 
1975 07 99.99  19.23 -99.99 
1975 08 28.69  15.15  21.92 
1975 09 25.93  12.04  18.98 
1975 10 12.04 -99.99 -99.99 
1975 11  2.70 -99.99 -99.99 
1976 03  -.17 -99.99 -99.99 
1976 04 16.27 -99.99 -99.99 
1976 05 23.00 -99.99 -99.99 
1976 06 28.14 -99.99 -99.99 
1976 07 29.20 -99.99 -99.99 
1976 08 31.89 -99.99 -99.99 
1976 09 21.72 -99.99 -99.99 
1976 10  4.44 -99.99 -99.99 
1977 01 10.04 -99.99 -99.99 
1977 03  7.90 -99.99 -99.99 
1977 04 17.85 -99.99 -99.99 
1977 05 25.81 -99.99 -99.99 
1977 06 30.38 -99.99 -99.99 
1977 07 30.61 -99.99 -99.99 
1977 08 28.82 -99.99 -99.99 
1977 09 23.08 -99.99 -99.99 
1977 10 10.50 -99.99 -99.99 
1977 11  6.46 -99.99 -99.99 
1978 01 -2.93 -99.99 -99.99 
1978 02 -4.96 -99.99 -99.99 
1978 03  5.54 -99.99 -99.99 
1978 04 15.54 -99.99 -99.99 
1978 05 20.87 -99.99 -99.99 
1978 06 26.83 -99.99 -99.99 
1978 07 31.13  17.45  24.29 
1978 08 28.14  16.31  22.22 
1978 09 24.19 -99.99 -99.99 
1978 10 12.60 -99.99 -99.99 
1978 11  5.15 -99.99 -99.99 
1979 02   .84 -99.99 -99.99 
1979 03  6.83 -99.99 -99.99 
1979 04 14.72 -99.99 -99.99 
1979 05 25.39 -99.99 -99.99 
1979 06 27.30 -99.99 -99.99 
1979 07 30.81 -99.99 -99.99 
1979 08 31.39 -99.99 -99.99 
1979 09 24.68 -99.99 -99.99 
1979 11  5.50 -99.99 -99.99 
1979 12  1.15 -99.99 -99.99 
1980 02 -4.50 -99.99 -99.99 
1980 03   .85 -99.99 -99.99 
1980 04 14.14 -99.99 -99.99 
1980 05 23.93  12.81  18.37 
1980 06 30.04 -99.99 -99.99 
1980 07 33.25 -99.99 -99.99 
1980 08 29.00  15.48  22.24 
1980 09 21.75 -99.99 -99.99 
1980 10 12.76   2.46   7.61 
1980 11  6.46 -99.99 -99.99 
1981 01   .56 -99.99 -99.99 
1981 02   .54 -99.99 -99.99 
1981 03  6.18 -99.99 -99.99 
1981 04 13.15 -99.99 -99.99 
1981 05 21.62   9.14  15.38 
1981 06 31.37 -99.99 -99.99 
1981 08 31.03  18.31  24.67 
1981 09 23.83  11.32  17.57 
1981 10 15.42 -99.99 -99.99 
1981 11  6.54 -99.99 -99.99 
1981 12  2.03 -99.99 -99.99 
1982 02 -7.10 -99.99 -99.99 
1982 03  2.28 -99.99 -99.99 
1982 04 16.82 -99.99 -99.99 
1982 05 22.77 -99.99 -99.99 
1982 06 27.22 -99.99 -99.99 
1982 07 32.43 -99.99 -99.99 
1982 08 28.41  16.34  22.37 
1982 09 23.78 -99.99 -99.99 
1982 10 11.66 -99.99 -99.99 
1982 11  4.13 -99.99 -99.99 
1982 12   .93 -99.99 -99.99 
1983 02  1.98 -99.99 -99.99 
1983 03  5.71 -99.99 -99.99 
1983 04 19.36   7.46  13.41 
1983 05 23.98  11.62  17.79 
1983 06 27.77  14.16  20.96 
1983 07 33.88 -99.99 -99.99 
1983 08 30.08 -99.99 -99.99 
1983 09 22.68 -99.99 -99.99 
1983 10 15.68 -99.99 -99.99 
1983 11  6.02 -99.99 -99.99 
1983 12  1.46 -99.99 -99.99 
1984 01  -.56 -99.99 -99.99 
1984 02 -4.56 -15.84 -10.20 
