1971 06 22.62  11.50  17.06 
1971 07 99.99  11.48 -99.99 
1971 08 25.35  12.54  18.94 
1971 09 31.23  14.94  23.08 
1971 10 34.41  17.14  25.78 
1971 11 35.74 -99.99 -99.99 
1971 12 41.02 -99.99 -99.99 
1972 01 39.54  23.82  31.68 
1972 02 39.39  24.60  31.99 
1972 03 38.56  22.24  30.40 
1972 04 33.93  18.46  26.20 
1972 05 29.18 -99.99 -99.99 
1972 06 25.90  14.23  20.06 
1972 07 23.40  11.71  17.55 
1972 08 25.63  12.60  19.11 
1972 09 32.68  16.89  24.78 
1972 10 36.09  18.00  27.05 
1972 11 39.91  23.77  31.84 
1972 12 41.87  24.89  33.37 
1973 01 38.95 -99.99 -99.99 
1973 02 39.96  26.39  33.17 
1973 03 36.77  23.80  30.28 
1973 04 33.24  20.00  26.62 
1973 05 28.39  17.14  22.76 
1973 06 99.99  13.10 -99.99 
1973 10 99.99  18.86 -99.99 
1974 01 36.62  24.13  30.37 
1974 02 36.89  23.45  30.17 
1974 03 37.15  23.03  30.09 
1974 04 31.00 -99.99 -99.99 
1974 05 27.84 -99.99 -99.99 
1974 06 24.51  11.17  17.84 
1974 07 25.70  11.17  18.43 
1974 08 27.65  13.69  20.67 
1974 09 31.15  16.04  23.59 
1974 10 34.54  17.41  25.97 
1974 11 37.83  19.20  28.52 
1974 12 39.27 -99.99 -99.99 
1975 01 41.39 -99.99 -99.99 
1975 02 36.58  23.94  30.26 
1975 03 36.79  24.06  30.42 
1975 04 33.30  20.86  27.08 
1975 05 30.46  15.83  23.14 
1975 06 25.11  13.15  19.13 
1975 07 25.30  13.22  19.26 
1975 08 27.63  12.08  19.85 
1975 09 32.64  16.54  24.59 
1975 10 31.72  16.95  24.33 
1975 12 36.41  23.44  29.92 
1976 01 37.84  24.60  31.22 
1976 02 38.47  24.37  31.42 
1976 03 35.00  21.92  28.46 
1976 04 33.71  19.58  26.64 
1976 05 28.89  15.56  22.22 
1976 06 25.29  12.14  18.71 
1976 07 25.40  11.69  18.54 
1976 08 28.00  12.57  20.28 
1976 09 30.98  13.92  22.45 
1976 10 32.74  16.11  24.42 
1976 11 36.43  18.26  27.34 
1976 12 41.51  24.70  33.10 
1977 01 41.48  25.45  33.46 
1977 02 42.19  25.34  33.76 
1977 03 37.02  23.98  30.50 
1977 04 33.39  21.75  27.57 
1977 05 28.71  15.74  22.22 
1977 06 24.84  13.54  19.19 
1977 07 26.01  11.76  18.88 
1977 08 29.85  13.42  21.63 
1977 09 30.44  13.75  22.09 
1977 10 36.73  20.46  28.59 
1977 11 39.68  22.23  30.95 
1977 12 40.20  24.80  32.50 
1978 01 39.66  25.43  32.55 
1978 02 37.58  24.73  31.15 
1978 03 37.70  24.43  31.06 
1978 05 26.32  15.73  21.02 
1978 06 23.75  11.95  17.85 
1978 07 22.78  10.62  16.70 
1978 08 24.38  13.49  18.93 
1978 09 28.81  13.94  21.37 
1978 10 35.62  18.79  27.20 
1978 11 38.05  21.64  29.84 
1978 12 39.27  22.08  30.67 
1979 01 42.57  25.54  34.05 
1979 02 39.16  24.72  31.94 
1979 03 36.84  23.89  30.36 
1979 04 33.84  20.37  27.11 
1979 05 25.45  15.23  20.34 
1979 06 26.26  13.30  19.78 
1979 07 25.52  11.30  18.41 
1979 08 26.02  13.40  19.70 
1979 11 40.11  22.50  31.30 
1979 12 40.20  24.83  32.51 
1980 02 36.58  23.85  30.21 
1980 04 31.58  19.45  25.52 
1980 05 30.92  17.54  24.23 
1980 10 34.63  17.23  25.93 
1981 04 37.24  22.05  29.64 
1981 05 28.94  15.74  22.34 
1981 06 24.15  12.32  18.23 
1981 07 99.99  11.13 -99.99 
1981 08 99.99  12.97 -99.99 
1981 09 34.54  17.41  25.97 
1982 01 37.12  25.47  31.29 
1982 02 35.58  23.62  29.60 
1982 05 29.51  15.65  22.58 
1983 10 36.28  18.24  27.25 
1983 11 38.72  21.50  30.11 
1984 02 39.95  25.06  32.50 
1984 03 34.05  22.67  28.36 
1984 05 28.59  17.90  23.24 
1984 06 25.76  12.61  19.18 
1984 07 21.98  11.02  16.50 
1984 08 26.70  11.74  19.22 
1984 09 29.46  13.59  21.52 
1984 10 36.75  20.36  28.55 
1984 11 39.03  22.49  30.75 
1984 12 38.06  22.44  30.25 
1985 01 41.41  25.35  33.38 
1985 02 37.62  24.04  30.83 
1985 03 37.84  23.31  30.57 
1985 04 32.41  20.87  26.64 
1985 05 28.31  15.49  21.90 
1985 06 24.67  13.14  18.90 
1985 07 26.25  11.62  18.93 
1985 08 27.95  12.80  20.37 
1985 09 32.15  14.68  23.41 
1985 10 34.40  16.61  25.50 
1985 11 39.70  23.75  31.72 
1985 12 40.70  23.52  32.11 
1986 01 38.91  25.39  32.15 
1986 02 39.45  24.52  31.98 
1986 03 39.93  25.39  32.66 
1986 04 34.80  22.02  28.41 
1986 05 29.12  15.90  22.51 
1986 06 24.49  14.17  19.33 
1986 07 21.36   9.72  15.54 
1986 08 25.01  10.58  17.79 
1986 09 30.31  15.17  22.74 
1986 10 33.04  16.07  24.55 
1986 11 39.18  22.23  30.70 
1986 12 41.49  24.72  33.10 
1987 01 38.34  25.33  31.84 
1987 02 35.75  24.48  30.12 
1987 03 37.09  24.01  30.55 
1987 04 35.96  22.69  29.32 
1987 05 26.39  15.73  21.06 
1987 06 24.96  13.89  19.42 
1987 07 26.11  13.08  19.59 
1987 08 27.04  12.92  19.98 
1987 09 31.93  16.17  24.05 
1987 10 35.99  17.57  26.78 
1987 11 37.63  20.12  28.87 
1987 12 40.18  24.39  32.29 
1988 01 41.45  26.23  33.84 
1988 02 38.88  24.84  31.86 
1988 03 37.74  24.95  31.34 
1988 04 33.18  21.44  27.31 
1988 05 25.40  16.29  20.84 
1988 06 26.15  13.58  19.86 
1988 07 26.54  12.43  19.48 
1988 08 26.65  12.97  19.81 
1989 01 39.12 -99.99 -99.99 
1989 02 39.46  25.52  32.48 
1989 03 35.66  23.61  29.64 
1989 04 33.00  21.05  27.03 
1989 05 28.56  15.67  22.11 
1989 07 23.83  11.02  17.42 
1989 09 99.99  16.64 -99.99 
1989 10 35.96  17.93  26.94 
1989 11 38.57  22.38  30.47 
1990 01 39.36  25.25  32.30 
1990 02 37.30  23.87  30.58 
1990 04 35.78 -99.99 -99.99 
1990 05 30.34  17.24  23.79 
1990 06 24.66  13.40  19.02 
1990 07 23.64  11.43  17.53 
1990 08 28.62  14.06  21.34 
1990 09 31.47  15.59  23.53 
1990 10 36.13  19.54  27.84 
1990 11 41.60  24.99  33.29 
1991 01 42.37  26.78  34.57 
1991 02 41.21  26.38  33.79 
1991 04 35.05  22.02  28.53 
1991 05 29.59  17.25  23.42 
1991 06 24.13  14.78  19.45 
1991 07 25.70  13.10  19.40 
1991 08 28.16  14.37  21.26 
1991 09 31.47  14.33  22.90 
1991 10 38.68  22.44  30.56 
1991 11 37.05  20.20  28.62 
1991 12 41.02 -99.99 -99.99 
1992 01 39.59  24.42  32.00 
1992 02 40.48  25.16  32.82 
1992 03 38.18 -99.99 -99.99 
1992 04 32.80  21.86  27.33 
1992 05 26.87  17.28  22.07 
1992 06 26.35  16.00  21.17 
1992 07 26.83  13.88  20.35 
1992 09 29.37  14.85  22.11 
1992 10 99.99  18.95 -99.99 
1992 11 37.04  20.45  28.74 
1992 12 40.18  23.73  31.96 
1993 01 40.95  26.11  33.53 
1993 02 38.07  24.83  31.45 
1993 03 38.81  24.24  31.52 
1993 04 35.47  23.07  29.27 
1993 05 26.63  17.60  22.11 
1993 06 23.37  13.46  18.41 
1993 07 99.99  10.95 -99.99 
