1971 04 15.39   6.18  10.78 
1971 05 10.98   2.32   6.64 
1971 06  8.50    .28   4.39 
1971 07  8.77  -2.67   3.05 
1971 08  8.04    .54   4.29 
1971 09 10.01   1.63   5.82 
1971 10 12.36   3.26   7.81 
1971 11 13.55   5.25   9.39 
1971 12 16.87   7.23  12.05 
1972 01 18.79   6.46  12.62 
1972 02 21.35   9.68  15.51 
1972 03 17.43   5.32  11.37 
1972 04 15.57   3.34   9.45 
1972 05 12.82    .73   6.77 
1972 06  9.07   -.69   4.19 
1972 07  7.60    .47   4.03 
1972 08  9.54    .99   5.26 
1972 09 12.87   3.99   8.43 
1972 10 14.76   2.88   8.82 
1972 11 16.09   5.36  10.72 
1972 12 18.73   7.01  12.87 
1973 01 21.39   8.16  14.77 
1973 02 19.37   8.68  14.02 
1973 03 16.32   5.95  11.13 
1973 04 14.73   6.56  10.64 
1973 05 11.15   4.46   7.80 
1973 06  7.55    .24   3.89 
1973 07  9.53   1.43   5.48 
1973 08  8.88    .75   4.81 
1973 09 11.80   3.09   7.44 
1973 10 14.06   4.63   9.34 
1973 11 13.64   5.97   9.80 
1973 12 18.94   7.93  13.43 
1974 01 19.96   8.59  14.28 
1974 02 19.11   8.37  13.74 
1974 03 18.57   8.30  13.43 
1974 04 12.86   6.23   9.54 
1974 05 11.33   4.25   7.79 
1974 06  9.17   2.16   5.66 
1974 07  7.57   2.23   4.90 
1974 08  8.39    .47   4.43 
1974 09 10.41   1.74   6.07 
1974 10 13.30   3.64   8.47 
1974 11 13.84   4.48   9.16 
1974 12 17.12   6.28  11.70 
1975 01 99.99   6.91 -99.99 
1975 02 19.62   7.99  13.80 
1975 03 99.99   6.33 -99.99 
1975 04 13.94   3.88   8.91 
1975 05 11.33   2.41   6.87 
1975 06  8.38    .83   4.60 
1975 07  9.00   2.09   5.55 
1975 08  8.67    .97   4.82 
1975 09 11.85   2.67   7.26 
1975 10 12.67   4.19   8.43 
1975 11 15.73   7.13  11.43 
1975 12 19.16 -99.99 -99.99 
1976 01 19.65   7.85  13.75 
1976 02 19.71   8.22  13.96 
1976 03 16.29   6.74  11.52 
1976 04 14.64   4.14   9.39 
1976 05 11.10   1.25   6.17 
1976 06  8.49    .93   4.71 
1976 07  8.76   -.78   3.99 
1976 08  8.25   1.05   4.65 
1976 09 10.53   2.75   6.64 
1976 10 10.49   3.04   6.76 
1976 11 13.78   5.89   9.83 
1976 12 16.31   7.26  11.78 
1977 01 19.78   8.70  14.24 
1977 02 19.26   8.55  13.90 
1977 03 17.41   7.50  12.45 
1977 04 13.95   3.84   8.89 
1977 05 10.58   2.23   6.40 
1977 06  8.12    .89   4.50 
1977 07 99.99    .30 -99.99 
1977 09 10.32    . 4   5.18 
1977 10 16.02   3.82   9.92 
1977 11 15.83   4.54  10.18 
1977 12 17.70   6.05  11.87 
1978 02 19.04   7.70  13.37 
1978 03 17.64   6.76  12.20 
1978 04 13.85   3.74   8.79 
1978 06  7.96   2.93   5.44 
1978 07  7.44   1.16   4.30 
1978 08  8.05    .97   4.51 
1978 09 12.32   1.93   7.12 
1978 10 14.21   4.25   9.22 
1978 12 16.93   7.22  12.07 
1979 02 20.74   7.14  13.94 
1979 03 18.18 -99.99 -99.99 
1979 04 13.85   4.57   9.21 
1979 05 10.26   2.44   6.35 
1979 06 10.25   1.99   6.12 
1979 07  8.60    .77   4.68 
1979 08  8.79    .47   4.63 
1979 09 11.14   2.44   6.79 
1979 10 14.62   3.41   9.01 
1979 11 16.85   5.82  11.33 
1979 12 18.43   6.09  12.26 
1980 01 17.09   6.98  12.03 
1980 02 19.36   6.33  12.84 
1980 03 17.17   5.97  11.57 
1980 04 15.68   5.06  10.37 
1980 05 13.25   4.08   8.66 
1980 06  9.58 -99.99 -99.99 
1980 07  8.64   -.14   4.25 
1980 08 10.31   2.24   6.27 
1980 09 12.62   3.42   8.02 
1980 10 14.13   3.41   8.77 
1980 11 15.97   5.49  10.73 
1980 12 18.01   7.10  12.55 
1981 01 22.55   9.18  15.86 
1981 02 21.73   9.17  15.45 
1981 03 17.39   6.42  11.90 
1981 04 15.09   5.24  10.16 
1981 05 11.87   2.32   7.09 
1981 06  8.66   1.52   5.09 
1981 07  7.88    .78   4.33 
1981 08  8.77   1.47   5.12 
1981 09 12.66   3.41   8.03 
1981 10 14.67   3.21   8.94 
1981 11 15.80   6.17  10.98 
1981 12 17.40   7.45  12.42 
1982 01 21.50   8.75  15.12 
1982 02 21.48   7.52  14.50 
1982 03 18.35   6.95  12.65 
1982 04 14.42   4.53   9.47 
1982 05 11.18   3.44   7.31 
1982 06  8.39    .65   4.52 
1982 07  7.85  -1.55   3.15 
1982 08 11.85   2.79   7.32 
1982 09 11.07   1.10   6.08 
1982 10 13.85   1.73   7.79 
1982 11 19.23   4.87  12.04 
1982 12 17.87   5.40  11.63 
1983 01 99.99   5.47 -99.99 
1983 02 21.93   7.30  14.61 
1983 03 18.24   5.95  12.09 
1983 04 12.95   3.10   8.02 
1983 05 11.08   3.77   7.42 
1983 06  8.13   -.73   3.70 
1983 07  7.81   -.42   3.69 
1983 08 10.31   1.47   5.89 
1983 09 10.45   2.09   6.27 
1983 10 13.13   3.34   8.23 
1983 11 14.77   4.85   9.81 
1983 12 18.18   6.76  12.47 
1984 01 18.54   6.95  12.75 
1984 02 20.03   6.62  13.32 
1984 03 16.06   6.34  11.20 
1984 04 14.77   3.89   9.33 
1984 05 11.72   2.67   7.19 
1984 06  9.51   2.33   5.92 
1984 07  8.30    .-5   4.12 
1984 08  8.72   2.04   5.38 
1984 09 10.42   2.87   6.64 
1984 10 13.99   3.73   8.85 
1984 11 16.62   6.06  11.34 
1984 12 14.45   5.76  10.10 
1985 01 18.15   7.06  12.60 
1985 02 18.68   6.51  12.59 
1985 03 18.33   7.65  12.99 
1985 04 14.74   5.41  10.07 
1985 05 12.12   2.07   7.09 
1985 06  7.92   -.49   3.71 
1985 07  7.68   -.43   3.62 
1985 08  9.87   1.13   5.50 
1985 09 11.17   2.33   6.75 
1985 10 13.51   3.91   8.71 
1985 11 14.41   5.72  10.06 
1985 12 15.98   7.96  11.96 
1986 01 17.32   7.57  12.44 
1986 02 17.24   6.45  11.84 
1986 03 17.85   7.08  12.46 
1986 04 14.72   4.64   9.68 
1986 05 11.27   2.04   6.65 
1986 06  7.96   -.39   3.78 
1986 07  7.82    .75   4.28 
1986 08  9.07 -99.99 -99.99 
1986 09 10.56   3.09   6.82 
1986 10 12.64 -99.99 -99.99 
1986 11 99.99   4.48 -99.99 
1987 01 17.45 -99.99 -99.99 
1987 03 99.99   4.37 -99.99 
1987 04 16.53   4.53  10.53 
1987 05 11.87   2.15   7.01 
1987 06  9.88 -99.99 -99.99 
1987 07  8.03 -99.99 -99.99 
1987 08 10.36    .23   5.29 
1987 09 13.14   2.55   7.84 
1987 10 14.11   2.84   8.47 
1987 11 16.31   5.92  11.11 
1987 12 16.04   5.53  10.79 
1988 01 21.69   9.29  15.49 
1988 02 19.33   6.91  13.12 
1988 03 19.84   6.16  13.00 
1988 04 15.33   5.40  10.36 
1988 05 11.48   5.04   8.26 
1988 06 10.20   1.63   5.91 
1988 07 99.99   1.63 -99.99 
1988 08  9.91   1.68   5.79 
1988 09 12.14   4.42   8.28 
1988 10 99.99   4.00 -99.99 
1988 11 15.34   5.98  10.66 
1988 12 99.99   7.96 -99.99 
1989 01 99.99   8.39 -99.99 
1989 02 19.62   8.70  14.16 
1989 03 99.99   7.43 -99.99 
1989 04 14.85   6.01  10.43 
1989 05 11.47   2.01   6.74 
1989 06 99.99   -.91 -99.99 
1989 07  7.85    .15   4.00 
1989 08  8.97   -.66   4.16 
1989 09 99.99   1.87 -99.99 
