1966 12  3.60  -2.70    .44 
1967 01  -.30  -6.70  -3.50 
1967 02 -1.90 -10.60  -6.25 
1967 03  -.80  -8.70  -4.75 
1967 04  3.40  -3.10    .15 
1967 05  6.80   1.50   4.15 
1967 06 12.80   5.50   9.14 
1967 07 17.40  11.60  14.50 
1967 08 19.40  13.30  16.35 
1967 09 16.20   8.80  12.50 
1967 10 11.10   3.80   7.45 
1967 11  7.60   2.30   4.94 
1967 12  2.70  -4.10   -.69 
1968 01  -.80  -7.20  -4.00 
1968 02 -1.30  -8.30  -4.80 
1968 03  1.90  -5.30  -1.70 
1968 04  5.10   -.80   2.14 
1968 05 10.30   1.90   6.10 
1968 06 12.10   5.30   8.70 
1968 07 17.40  10.00  13.70 
1968 08 16.29   9.89  13.10 
1968 09 16.20   9.70  12.95 
1968 10 11.90   5.10   8.50 
1968 11  5.00  -1.30   1.85 
1968 12  2.40  -2.20    .10 
1969 01   .90  -4.60  -1.84 
1969 02  1.80  -3.30   -.75 
1969 03  2.20  -3.70   -.75 
1969 04  3.30  -3.40    .-5 
1969 05  8.60   2.40   5.50 
1969 06 13.60   7.00  10.30 
1969 07 16.40   9.39  12.90 
1969 08 18.10  11.10  14.60 
1969 09 14.90   6.90  10.90 
1969 10  9.10   2.30   5.70 
1969 11  7.40   1.80   4.60 
1969 12  5.10    .20   2.65 
1970 01 -2.70  -9.20  -5.95 
1970 02  1.00  -6.60  -2.80 
1970 03  2.60  -3.20   -.30 
1970 04  5.20  -1.20   1.99 
1970 05  9.60   2.80   6.20 
1970 06 12.50   6.40   9.45 
1970 07 17.10  11.20  14.15 
1970 08 19.60  13.50  16.54 
1970 09 14.10   7.30  10.70 
1970 10 11.80   5.10   8.45 
1970 11  8.30   1.70   5.00 
1970 12   .50  -6.10  -2.80 
1971 01 -2.00  -8.30  -5.15 
1971 02 -2.40  -9.39  -5.89 
1971 03  1.50  -3.40   -.95 
1971 04  5.30    .10   2.70 
1971 05  8.80   3.40   6.10 
1971 06 13.90   6.40  10.14 
1971 07 16.00  10.60  13.30 
1971 08 18.79  12.20  15.50 
1971 09 15.40   8.20  11.79 
1971 10 10.70   2.70   6.70 
1971 11  6.70    .60   3.65 
1971 12   . 0  -7.50  -3.75 
1972 01 -2.09  -9.89  -6.00 
1972 02 -4.19 -13.60  -8.89 
1972 03   . 0  -8.39  -4.19 
1972 04  3.30  -3.00    .14 
1972 05  7.50   -.30   3.60 
1972 06 11.90   7.30   9.60 
1972 07 17.40  10.40  13.90 
1972 08 17.00   9.80  13.40 
1972 09 14.80   7.80  11.30 
1972 10  9.80   2.80   6.30 
1972 11  4.30  -1.80   1.25 
1972 12 -2.90 -10.20  -6.55 
1973 01 -1.70  -9.30  -5.50 
1973 02 -1.60  -8.10  -4.85 
1973 03   .60  -6.60  -3.00 
1973 04  4.19  -1.80   1.19 
1973 05  7.60   2.80   5.20 
1973 06 11.70   6.20   8.95 
1973 07 15.30  10.40  12.85 
1973 08 17.70  10.70  14.20 
1973 09 15.80   7.00  11.40 
1973 10 10.40   3.10   6.75 
1973 11  4.40   -.70   1.85 
1973 12  3.60  -2.40    .59 
1974 01 -4.60 -12.40  -8.50 
1974 02 -2.90 -10.90  -6.89 
1974 03 -1.90  -8.60  -5.25 
1974 04  2.90  -2.60    .15 
1974 05  7.50    .90   4.19 
1974 06 12.80   5.80   9.30 
1974 07 15.10   9.20  12.15 
1974 08 17.79  11.00  14.40 
1974 09 15.30   7.80  11.55 
1974 10  8.80   2.70   5.75 
1974 11  5.10   -.40   2.34 
1974 12  1.20  -3.80  -1.30 
1975 01 -2.90 -10.40  -6.64 
1975 02 -6.60 -14.20 -10.40 
1975 03   .30  -6.10  -2.90 
1975 04  3.30  -2.09    .60 
1975 05  9.60   1.80   5.70 
1975 06 13.30   5.90   9.60 
1975 07 17.20  11.90  14.55 
1975 08 18.70  12.10  15.40 
1975 09 16.40   9.80  13.10 
1975 10  9.80   3.50   6.65 
1975 11  5.60   -.40   2.60 
1975 12   .70  -6.80  -3.05 
1976 01  -.50  -8.10  -4.30 
1976 02 -1.30 -10.20  -5.75 
1976 03  -.20  -8.10  -4.15 
1976 04  4.90  -1.00   1.95 
1976 05  8.89   2.70   5.80 
1976 06 13.30   5.90   9.60 
1976 07 15.80  10.50  13.15 
1976 08 18.20  11.50  14.85 
1976 09 16.60   9.10  12.85 
1976 10 10.10   2.80   6.45 
1976 11  4.19  -1.10   1.55 
1976 12   .90  -7.80  -3.45 
1977 01 -1.10  -8.10  -4.60 
1977 02 -2.30  -9.50  -5.90 
1977 03  1.60  -4.10  -1.25 
1977 04  4.00  -2.09    .95 
1977 05  8.10   1.70   4.90 
1977 06 12.90   6.90   9.89 
1977 07 15.80   9.89  12.85 
1977 08 17.70  11.30  14.50 
1977 09 14.40   7.40  10.90 
1977 10 11.10   4.30   7.70 
1977 11  7.50   1.10   4.30 
1977 12  1.10  -4.90  -1.90 
1978 01 -1.20  -7.90  -4.55 
1978 02 -1.20  -6.70  -3.94 
1978 03  -.30  -7.30  -3.80 
1978 04  3.20  -1.90    .65 
1978 05  8.70   2.60   5.64 
1978 06 11.30   7.10   9.20 
1978 07 17.50  11.40  14.45 
1978 08 18.70  11.00  14.85 
1978 09 13.80   6.10   9.95 
1978 10  9.60   3.70   6.65 
1978 11  4.40  -3.30    .55 
1978 12   .30  -5.70  -2.69 
1979 01   .90  -4.69  -1.89 
1979 02 -3.90  -9.20  -6.55 
1979 03  2.70  -3.50   -.39 
1979 04  5.00   -.70   2.15 
1979 05  9.60   4.10   6.85 
1979 06 13.50   7.50  10.50 
1979 07 15.90  10.70  13.29 
1979 08 16.90  11.00  13.95 
1979 09 13.70   6.40  10.05 
1979 10  9.89   4.30   7.10 
1979 11  6.80    .50   3.65 
1979 12  1.40  -4.80  -1.70 
1980 01 -1.30  -7.20  -4.25 
1980 02 -2.30  -9.00  -5.65 
1980 03   .90  -5.50  -2.30 
1980 04  5.80   -.90   2.45 
1980 05  8.70   2.50   5.60 
1980 06 11.10   5.70   8.39 
1980 07 15.30   9.89  12.60 
1980 08 18.00  10.90  14.45 
1980 09 13.80   6.40  10.10 
1980 10  9.50   3.20   6.35 
1980 11  5.70    .70   3.19 
1980 12   .60  -6.10  -2.75 
1981 01  -.90  -6.90  -3.90 
1981 02   .90  -5.90  -2.50 
1981 03  3.90  -2.60    .65 
1981 04  4.40   -.90   1.75 
1981 05  9.00   4.10   6.55 
1981 06 13.10   7.10  10.10 
1981 07 17.20  10.60  13.90 
1981 08 18.20  11.40  14.80 
1981 09 16.50  10.20  13.35 
1981 10 11.50   5.00   8.25 
1981 11  6.30   1.20   3.75 
1981 12  3.20  -1.20   1.00 
1982 01 -2.00  -8.30  -5.15 
1982 02 -3.90 -11.00  -7.45 
1982 03  -.60  -7.80  -4.20 
1982 04  2.40  -2.40    . 0 
1982 05  9.60   2.80   6.20 
1982 06 11.90   5.90   8.89 
1982 07 15.90  10.60  13.25 
1982 08 17.10  10.10  13.60 
1982 09 15.30   7.80  11.55 
1982 10  9.70   2.20   5.95 
1982 11  6.30   -.10   3.10 
1982 12  1.70  -6.40  -2.34 
1983 01  -.40  -7.10  -3.75 
1983 02 -1.20  -8.20  -4.69 
1983 03  2.00  -4.19  -1.09 
1983 04  6.30   1.30   3.80 
1983 05  9.20   3.50   6.35 
1983 06 13.40   6.80  10.10 
1983 07 17.00  11.80  14.40 
1983 08 17.20  10.70  13.95 
1983 09 15.90   9.39  12.65 
1983 10 11.50   4.30   7.90 
1983 11  6.20    .20   3.19 
1983 12   .90  -4.90  -2.00 
1984 01 -2.20 -10.30  -6.25 
1984 02   .50  -6.30  -2.90 
1984 03   .40  -5.50  -2.55 
1984 04  5.50  -1.40   2.05 
1984 05  9.50   3.50   6.50 
1984 06 12.10   5.90   9.00 
1984 07 16.60  11.50  14.05 
1984 08 19.60  14.10  16.85 
1984 09 15.40   7.60  11.50 
1984 10  9.60   1.40   5.50 
1984 11  5.60   -.40   2.60 
1984 12  1.90  -6.00  -2.05 
1985 01 -3.10  -9.50  -6.30 
1985 02 -2.40  -9.60  -6.00 
1985 03 -1.20  -8.39  -4.79 
1985 04  2.50  -4.00   -.75 
1985 05  8.30    .50   4.40 
1985 06 11.50   5.70   8.60 
1985 07 16.40  10.80  13.60 
1985 08 17.60  10.80  14.20 
1985 09 15.40   7.80  11.60 
1985 10  9.20   2.40   5.80 
1985 11  4.19  -1.80   1.19 
1985 12   .10  -7.30  -3.60 
1986 01   .20  -8.00  -3.90 
1986 02 -2.70 -10.20  -6.45 
1986 03 -1.00  -9.20  -5.10 
1986 04  5.50   -.50   2.50 
1986 05  9.50   2.09   5.80 
1986 06 11.80   4.69   8.25 
1986 07 16.20   9.70  12.95 
1986 08 17.79  11.90  14.85 
1986 09 14.40   6.20  10.29 
1986 10  9.39   1.80   5.60 
1986 11  4.10  -3.10    .50 
1986 12   .60  -7.70  -3.55 
1987 01 -2.60  -9.50  -6.05 
1987 02 -1.60  -8.60  -5.10 
1987 03   .60  -6.50  -2.95 
1987 04  6.80   -.70   3.05 
1987 05  9.60   1.20   5.40 
1987 06 13.80   7.00  10.40 
1987 07 18.50  11.40  14.95 
1987 08 19.20  11.40  15.30 
1987 09 15.30   7.80  11.55 
1987 10 11.90   4.60   8.25 
1987 11  4.90  -2.20   1.35 
1987 12   .20  -4.90  -2.35 
1988 01 -1.00  -8.70  -4.85 
1988 02 -1.10  -9.60  -5.35 
1988 03  1.10  -6.30  -2.60 
1988 04  5.70    .20   2.94 
1988 05  9.80   3.30   6.55 
1988 06 11.70   6.10   8.89 
1988 07 15.80  10.30  13.05 
1988 08 18.50  11.10  14.80 
1988 09 14.60   6.70  10.65 
1988 10 10.00   3.30   6.65 
1988 11  6.50    .70   3.60 
1988 12   .10  -6.90  -3.40 
1989 01 -1.50 -10.60  -6.05 
1989 02 -3.10 -11.20  -7.14 
1989 03 -1.70  -9.39  -5.55 
1989 04  4.50  -1.40   1.55 
1989 05  8.60   3.50   6.05 
1989 06 14.60   8.20  11.40 
1989 07 17.50   9.70  13.60 
1989 08 18.50  11.20  14.85 
1989 09 14.80   6.70  10.75 
1989 10  9.50   1.70   5.60 
1989 11  5.80  -1.80   2.00 
1989 12  -.90  -8.20  -4.54 
2006 08 18.51  12.55  15.53 
2006 09 16.48   9.39  12.94 
2006 10 11.90   6.00   8.95 
2006 11  7.90   2.35   5.13 
2006 12  2.15  -2.73   -.28 
2007 01  -.45  -5.52  -2.98 
2007 02 -2.90  -8.49  -5.69 
2007 03   .75  -4.84  -2.04 
2007 04  5.20  -1.84   1.67 
2007 05  9.17   2.28   5.72 
2007 06 12.93   7.60  10.26 
2007 07 16.25  12.01  14.13 
2007 08 18.15  12.15  15.15 
2007 09 15.33   8.14  11.73 
2007 10 10.73   4.04   7.38 
2007 11  6.64    .60   3.62 
2007 12  -.79  -6.76  -3.77 
2008 01  -.39  -7.66  -4.02 
2008 02 -1.26  -8.03  -4.64 
2008 03  -.64  -7.84  -4.24 
2008 04  6.50  -1.04   2.73 
2008 05  9.16   2.95   6.05 
2008 06 12.99   7.88  10.43 
2008 07 17.19  12.61  14.90 
2008 08 18.62  13.63  16.12 
2008 09 16.50   9.22  12.86 
2008 10 11.15   4.04   7.59 
2009 01 -2.50  -8.33  -5.41 
2009 02  -.70  -6.25  -3.47 
2009 03   .82  -6.00  -2.59 
2009 04  4.81  -1.56   1.62 
2009 05  9.09   1.79   5.44 
2009 06 14.06   8.00  11.03 
2009 07 17.65  12.30  14.97 
2009 08 20.11  13.27  16.69 
2009 09 15.35   7.34  11.34 
2009 10  9.34   2.48   5.91 
2009 11  7.15    .61   3.88 
2009 12  2.03  -2.94   -.45 
2010 01  -.22  -5.51  -2.86 
2010 02   .80  -3.81  -1.50 
2010 03  3.10  -3.65   -.27 
2010 04  7.23   1.43   4.33 
2010 05 10.74   3.29   7.01 
2010 06 12.78   6.46   9.62 
2010 07 16.92  12.18  14.55 
2010 08 19.89  13.17  16.52 
2010 09 16.71  10.40  13.56 
2010 10 11.17   4.52   7.84 
2010 11  6.88   1.16   4.02 
2010 12  6.35   2.19   4.27 
2011 01  1.15  -3.93  -1.39 
2011 02 -1.19  -8.04  -4.61 
2011 03  1.33  -4.90  -1.78 
2011 04  4.62  -1.75   1.43 
2011 05  8.83   4.26   6.54 
2011 06 13.22   8.08  10.65 
2011 07 16.04  10.95  13.50 
2011 08 17.75  12.55  15.15 
2011 09 16.35   9.34  12.84 
2011 10 11.81   6.05   8.93 
2011 11  7.02    .38   3.70 
2011 12  2.80  -3.12   -.15 
2012 01   .99  -5.93  -2.46 
2012 02  -.66  -6.60  -3.63 
2012 03  1.51  -4.92  -1.70 
2012 04  5.78    .83   3.30 
2012 05 11.46   4.55   8.00 
2012 06 14.20   8.60  11.40 
2012 07 18.51  12.88  15.69 
2012 08 20.93  15.66  18.29 
2012 09 17.83  11.47  14.65 
2012 10 12.80   6.63   9.71 
2012 11  7.36   2.08   4.72 
2012 12  3.20  -2.77    .21 
2013 01 -1.40  -8.03  -4.71 
2013 02  -.26  -6.75  -3.50 
2013 06 12.94   7.33  10.13 
2013 07 19.02  11.71  15.36 
2013 08 19.64  13.01  16.32 
2013 09 17.11  10.90  14.00 
2013 10 11.65   4.34   7.99 
2013 11  5.96    .39   3.17 
2013 12 -1.17  -7.62  -4.40 
2014 01  -.99  -8.04  -4.51 
2014 02 -3.41 -10.40  -6.90 
2014 03 -2.66  -9.97  -6.31 
2014 04  4.12  -1.74   1.18 
2014 05  9.18   2.64   5.91 
