1970 01   .10 -28.50 -14.20 
1970 02  4.00 -27.20 -11.60 
1970 03  8.10 -21.00  -6.45 
1970 04 10.50 -15.90  -2.69 
1970 05 20.50  -2.50   9.00 
1970 06 30.20   1.50  15.85 
1970 07 24.00   1.20  12.60 
1970 08 26.50   2.30  14.40 
1970 09 18.20  -7.50   5.35 
1970 10 11.50 -11.30    . 9 
1970 11  7.30 -20.80  -6.74 
1970 12 10.00 -20.20  -5.10 
1971 01 12.40 -24.70  -6.15 
1971 02  8.20 -20.60  -6.20 
1971 03  6.60 -22.40  -7.89 
1971 04 13.40 -12.20    .59 
1971 05 24.00  -3.10  10.45 
1971 06 24.20    .60  12.40 
1971 07 27.30    .50  13.90 
1971 08 23.30  -1.00  11.15 
1971 09 22.10  -5.40   8.35 
1971 10 15.70  -8.89   3.40 
1971 11 12.00 -24.20  -6.10 
1971 12  9.60 -15.20  -2.79 
1972 01  8.89 -27.00  -9.05 
1972 02  1.80 -22.60 -10.40 
1972 03  8.80 -20.80  -5.99 
1972 04 10.20 -10.00    . 9 
1972 05 20.70  -2.40   9.15 
1972 06 24.60   2.00  13.30 
1972 07 28.50   3.00  15.75 
1972 08 23.30    .10  11.70 
1972 09 19.50  -7.30   6.10 
1972 10 16.50  -7.00   4.75 
1972 11  7.20 -11.80  -2.30 
1972 12 10.30 -15.80  -2.75 
1973 01 10.60 -17.60  -3.50 
1973 02  8.50 -25.90  -8.70 
1973 03 12.60  -8.00   2.30 
1973 04 13.40 -10.60   1.39 
1973 05 22.30  -6.60   7.84 
1973 06 25.10  -1.70  11.70 
1973 07 27.10   5.20  16.15 
1973 08 25.50  -1.80  11.85 
1973 09 17.70   -.40   8.65 
1973 10 20.29 -14.50   2.89 
1973 11  9.50 -18.50  -4.50 
1973 12  9.30 -16.00  -3.35 
1974 01  7.50 -10.50  -1.50 
1974 02  9.39 -20.20  -5.40 
1974 03 10.50 -16.50  -3.00 
1974 04 16.70 -11.00   2.85 
1974 05 24.80  -5.20   9.79 
1974 06 26.20   1.00  13.60 
1974 07 24.20   3.50  13.85 
1974 08 24.20   1.00  12.60 
1974 09 22.50  -2.30  10.10 
1974 10 12.00 -11.40    .30 
1974 11  7.00 -20.00  -6.50 
1974 12  9.70 -19.79  -5.04 
1975 01  8.70 -16.00  -3.65 
1975 02  7.50 -17.60  -5.05 
1975 03  5.50 -13.00  -3.75 
1975 04 12.00 -14.00  -1.00 
1975 05 23.00  -3.60   9.70 
1975 06 25.20   -.10  12.55 
1975 07 28.50   1.30  14.90 
1975 08 30.60    . 0  15.30 
1975 09 19.29    .50   9.89 
1975 10 15.00  -8.80   3.10 
1975 11 10.20  -8.00   1.09 
1975 12  8.80  -9.50   -.34 
1976 01  6.30 -26.50 -10.10 
1976 02  7.10 -24.00  -8.45 
1976 03  7.70 -23.10  -7.70 
1976 04 13.20 -11.00   1.09 
1976 05 23.30  -3.40   9.95 
1976 06 23.70  -1.70  11.00 
1976 07 26.70   3.00  14.85 
1976 08 25.20   2.40  13.80 
1976 09 15.80  -5.00   5.40 
1976 10 12.70  -8.60   2.04 
1976 11  8.20 -14.20  -3.00 
1976 12  4.50 -27.00 -11.25 
1977 01  7.00 -28.20 -10.60 
1977 02  3.60 -30.10 -13.25 
1977 03 10.10 -13.50  -1.69 
1977 04 12.30 -13.40   -.54 
1977 05 22.20  -3.40   9.40 
1977 06 27.50  -2.80  12.35 
1977 07 29.60   2.30  15.95 
1977 08 25.70  -1.50  12.10 
1977 09 20.60  -3.00   8.80 
1977 10 13.20  -2.50   5.35 
1977 11 13.50 -17.50  -2.00 
1977 12  8.80 -17.79  -4.49 
1978 01  8.10 -20.20  -6.05 
1978 02  4.69 -30.20 -12.75 
1978 03 10.20 -18.90  -4.35 
1978 04 13.50  -9.50   2.00 
1978 05 22.50  -6.60   7.95 
1978 06 25.30   2.50  13.90 
1978 07 28.10   3.00  15.55 
1978 08 27.00   1.90  14.45 
1978 09 18.00  -5.80   6.10 
1978 10 16.70  -4.10   6.30 
1978 11 12.50 -24.60  -6.05 
1978 12  5.60 -38.00 -16.20 
1979 01  -.80 -40.00 -20.40 
1979 02  4.80 -35.70 -15.45 
1979 03  8.50 -23.00  -7.25 
1979 04 12.20  -8.20   2.00 
1979 05 20.50  -7.00   6.75 
1979 06 27.30   1.00  14.15 
1979 07 25.20   2.30  13.75 
1979 08 21.30    .30  10.79 
1979 09 20.50  -4.00   8.25 
1979 10 14.40 -12.00   1.19 
1979 11  6.20 -20.00  -6.90 
1979 12  7.60 -27.50  -9.95 
1980 01  6.30 -30.50 -12.10 
1980 02  5.00 -33.00 -14.00 
1980 03  5.20 -19.00  -6.90 
1980 04 16.29  -9.60   3.34 
1980 05 23.70  -4.00   9.85 
1980 06 30.00   2.50  16.25 
1980 07 27.20   4.40  15.80 
1980 08 26.00   1.30  13.65 
1980 09 19.70  -2.60   8.55 
1980 10 11.60 -18.90  -3.64 
1980 11  8.30 -23.50  -7.60 
1980 12  8.00 -19.79  -5.89 
1981 01  9.50 -34.00 -12.25 
1981 02  9.10 -24.00  -7.45 
1981 03  9.39 -22.00  -6.30 
1981 04 14.00  -8.39   2.80 
1981 05 22.20  -7.50   7.35 
1981 06 21.10  -1.50   9.80 
1981 07 27.10   4.40  15.75 
1981 08 23.50  -1.60  10.95 
1981 09 22.10  -1.10  10.50 
1981 10 15.20 -11.30   1.94 
1981 11  7.30 -18.50  -5.60 
1981 12  9.50 -34.20 -12.35 
1982 01  6.30 -39.50 -16.60 
1982 02 10.20 -22.20  -6.00 
1982 03 11.20 -12.10   -.45 
1982 04 13.20  -5.80   3.69 
1982 05 22.20  -4.19   9.00 
1982 06 26.50  -2.30  12.10 
1982 07 30.20   2.70  16.45 
1982 08 32.20   2.40  17.30 
1982 09 19.00  -2.40   8.30 
1982 10 16.10  -7.50   4.30 
1982 11 12.20 -11.30    .44 
1982 12  8.60 -20.50  -5.95 
1983 01 10.10 -19.20  -4.55 
1983 02  5.10 -20.40  -7.64 
1983 03  7.20 -15.20  -4.00 
1983 04 15.10  -8.60   3.25 
1983 05 17.50  -2.80   7.35 
1983 06 25.70   1.20  13.45 
1983 07 29.30   2.30  15.79 
1983 08 27.20   1.00  14.10 
1983 09 22.20  -1.30  10.45 
1983 10 13.50  -7.00   3.25 
1983 11 11.50 -16.00  -2.25 
1983 12 10.50 -16.60  -3.05 
1984 01  5.50 -36.50 -15.50 
1984 02  5.00 -22.20  -8.60 
1984 03  7.00 -18.60  -5.80 
1984 04 19.70  -7.00   6.35 
1984 05 24.50  -6.10   9.20 
1984 06 26.10  -1.50  12.30 
1984 07 28.40   2.70  15.55 
1984 08 24.50   1.00  12.75 
1984 09 19.50  -1.10   9.20 
1984 10 12.50  -3.90   4.30 
1984 11 14.10 -17.20  -1.55 
1984 12  7.20 -14.80  -3.80 
1985 01  3.20 -27.50 -12.15 
1985 02  2.70 -30.10 -13.70 
1985 03  6.60 -16.20  -4.80 
1985 04  9.70  -8.70    .50 
1985 05 21.30  -5.50   7.89 
1985 06 23.30    .90  12.10 
1985 07 27.30   3.40  15.35 
1985 08 23.00   2.00  12.50 
1985 09 15.10  -4.60   5.25 
1985 10 15.40  -4.40   5.50 
1985 11  8.10 -25.30  -8.59 
1985 12  6.20 -30.60 -12.20 
1986 01  -.20 -38.00 -19.10 
1986 02  1.20 -30.60 -14.70 
1986 03  7.40 -11.80  -2.20 
1986 04 15.60 -13.90    .85 
1986 05 21.20  -2.00   9.60 
1986 06 30.30   3.70  17.00 
1986 07 29.10   3.80  16.45 
1986 08 20.80   3.00  11.90 
1986 09 16.00  -8.00   4.00 
1986 10 18.79  -6.20   6.30 
1986 11 10.60 -10.10    .25 
1986 12 10.60 -23.50  -6.45 
1987 01  6.50 -36.40 -14.95 
1987 02  7.60 -25.30  -8.84 
1987 03  5.80 -25.50  -9.85 
1987 04 17.00  -6.30   5.35 
1987 05 21.60  -4.90   8.35 
1987 06 19.60   1.20  10.40 
