1967 10 10.60 -14.30  -1.84 
1967 11  5.90 -20.00  -7.05 
1967 12  2.60 -35.80 -16.60 
1968 01  2.00 -33.70 -15.85 
1968 02  5.80 -32.30 -13.25 
1968 03  2.90 -28.60 -12.85 
1968 04  5.60 -24.30  -9.34 
1968 05  9.70 -19.00  -4.65 
1968 06 25.60    . 0  12.80 
1968 07 16.90    .50   8.70 
1968 08 20.70    .50  10.60 
1968 09 18.60 -10.50   4.05 
1968 10  8.60 -26.50  -8.95 
1968 11  7.90 -30.00 -11.05 
1968 12  5.60 -23.90  -9.14 
1969 01  -.50 -34.00 -17.25 
1969 02  1.10 -31.00 -14.95 
1969 03  3.50 -31.50 -14.00 
1969 04  6.20 -25.20  -9.50 
1969 05  7.80 -14.00  -3.10 
1969 06 23.40   -.50  11.45 
1969 07 22.80   1.10  11.95 
1969 08 26.70  -1.20  12.75 
1969 09 13.40  -7.00   3.19 
1969 10 11.00  -9.00   1.00 
1969 11  2.80 -31.00 -14.10 
1969 12  3.40 -31.70 -14.15 
1970 01  5.60 -35.09 -14.74 
1970 02 -1.60 -45.00 -23.30 
1970 03  2.09 -32.09 -14.99 
1970 04  4.40 -28.30 -11.95 
1970 05 19.29  -5.50   6.89 
1970 06 28.50   1.00  14.75 
1970 07 30.10   3.40  16.75 
1970 08 26.00  -1.80  12.10 
1970 09 13.40  -4.40   4.50 
1970 10 10.40 -14.10  -1.85 
1970 11  3.60 -31.80 -14.10 
1970 12  2.20 -30.30 -14.04 
1971 01  4.19 -37.59 -16.69 
1971 02   .50 -38.40 -18.95 
1971 03  4.50 -29.80 -12.65 
1971 04  4.00 -20.40  -8.20 
1971 05 17.40 -22.00  -2.30 
1971 06 23.10  -2.00  10.55 
1971 07 26.50    .40  13.45 
1971 08 22.30  -1.00  10.65 
1971 09 21.20  -6.10   7.55 
1971 10  7.60 -20.10  -6.25 
1971 11  6.50 -34.80 -14.15 
1971 12  4.10 -31.20 -13.55 
1972 01  5.80 -29.50 -11.85 
1972 02  6.40 -27.10 -10.35 
1972 03  5.80 -23.30  -8.75 
1972 04  4.40 -21.60  -8.60 
1972 05 13.20 -13.10    . 4 
1972 06 29.80   -.50  14.65 
1972 07 30.30   1.00  15.65 
1972 08 28.70  -2.20  13.25 
1972 09 15.90  -4.80   5.55 
1972 10  9.50 -14.40  -2.44 
1972 11  1.20 -29.00 -13.90 
1972 12  4.60 -22.40  -8.89 
1973 01  7.10 -26.00  -9.45 
1973 02 -1.00 -31.20 -16.10 
1973 03  6.60 -24.60  -9.00 
1973 04  3.10 -19.00  -7.95 
1973 05 10.60  -7.70   1.45 
1973 06 20.80    .20  10.50 
1973 07 26.40   6.40  16.40 
1973 08 17.79    .20   9.00 
1973 09 13.20  -7.50   2.85 
1973 10  5.90 -20.90  -7.50 
1973 11  6.10 -35.00 -14.45 
1973 12  1.40 -38.40 -18.50 
1974 01  3.20 -33.40 -15.10 
1974 02  5.50 -25.00  -9.75 
1974 05 12.80  -6.30   3.25 
1974 06 29.80   1.00  15.40 
1974 07 25.80   4.50  15.15 
1974 08 21.50    .20  10.85 
1974 09 15.00  -3.80   5.60 
1974 10  9.50 -11.50  -1.00 
1974 11  3.00 -21.10  -9.05 
1974 12   . 0 -20.40 -10.20 
1975 01  1.00 -33.50 -16.25 
1975 02  5.40 -36.90 -15.75 
1975 03  4.80 -17.79  -6.49 
1975 04  5.90 -19.40  -6.75 
1975 05 13.30  -3.30   5.00 
1975 06 17.90   -.70   8.59 
1975 07 26.20    .60  13.40 
1975 08 16.60  -2.80   6.90 
1975 09 14.60  -3.80   5.40 
1975 10  7.90 -15.90  -3.99 
1975 11  9.39 -20.00  -5.30 
1975 12  1.40 -29.60 -14.10 
1976 01 -3.10 -38.70 -20.90 
1976 02  7.90 -43.50 -17.79 
1976 03  3.60 -31.10 -13.75 
1976 04  5.60 -21.40  -7.89 
1976 05 19.90 -13.70   3.10 
1976 06 18.90   -.20   9.34 
1976 07 24.00    .90  12.45 
1976 08 22.90   1.80  12.35 
1976 09 12.10  -5.10   3.50 
1976 10  7.20 -15.30  -4.05 
1976 11  2.30 -31.60 -14.65 
1976 12   .60 -36.50 -17.95 
1977 01   . 0 -39.90 -19.95 
1977 02 -1.80 -26.40 -14.10 
1977 03  3.00 -32.70 -14.85 
1977 04  5.10 -21.00  -7.95 
1977 05  8.00  -9.60   -.80 
1977 06 17.60    .10   8.85 
1977 07 25.30   2.00  13.65 
1977 08 23.00    .60  11.80 
1977 09 16.79  -5.60   5.59 
1977 10  5.40 -19.79  -7.20 
1977 11  6.90 -24.40  -8.75 
1977 12  3.90 -33.00 -14.55 
1978 01 -1.10 -37.80 -19.44 
1978 02 -1.60 -27.90 -14.75 
1978 03  4.60 -34.90 -15.15 
1978 04  3.70 -18.60  -7.45 
1978 05 17.00 -11.00   3.00 
1978 06 23.30   -.20  11.54 
1978 07 22.50   1.10  11.80 
1978 08 19.60  -1.50   9.05 
